initial commit 2

author: stephanchrst <stephanchrst@gmail.com> 2022-05-10 21:51:50 +0700
committer: stephanchrst <stephanchrst@gmail.com> 2022-05-10 21:51:50 +0700
commit: 3751379f1e9a4c215fb6eb898b4ccc67659b9ace (patch)
tree: a44932296ef4a9b71d5f010906253d8c53727726 /addons/web/static/lib/pdfjs/build/pdf.js
parent: 0a15094050bfde69a06d6eff798e9a8ddf2b8c21 (diff)
1 files changed, 24624 insertions, 0 deletions
diff --git a/addons/web/static/lib/pdfjs/build/pdf.js b/addons/web/static/lib/pdfjs/build/pdf.js
new file mode 100644
index 00000000..dcefe070
--- /dev/null
+++ b/addons/web/static/lib/pdfjs/build/pdf.js
@@ -0,0 +1,24624 @@
+/**
+ * @licstart The following is the entire license notice for the
+ * Javascript code in this page
+ *
+ * Copyright 2019 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * @licend The above is the entire license notice for the
+ * Javascript code in this page
+ */
+
+(function webpackUniversalModuleDefinition(root, factory) {
+	if(typeof exports === 'object' && typeof module === 'object')
+		module.exports = factory();
+	else if(typeof define === 'function' && define.amd)
+		define("pdfjs-dist/build/pdf", [], factory);
+	else if(typeof exports === 'object')
+		exports["pdfjs-dist/build/pdf"] = factory();
+	else
+		root["pdfjs-dist/build/pdf"] = root.pdfjsLib = factory();
+})(this, function() {
+return /******/ (function(modules) { // webpackBootstrap
+/******/ 	// The module cache
+/******/ 	var installedModules = {};
+/******/
+/******/ 	// The require function
+/******/ 	function __w_pdfjs_require__(moduleId) {
+/******/
+/******/ 		// Check if module is in cache
+/******/ 		if(installedModules[moduleId]) {
+/******/ 			return installedModules[moduleId].exports;
+/******/ 		}
+/******/ 		// Create a new module (and put it into the cache)
+/******/ 		var module = installedModules[moduleId] = {
+/******/ 			i: moduleId,
+/******/ 			l: false,
+/******/ 			exports: {}
+/******/ 		};
+/******/
+/******/ 		// Execute the module function
+/******/ 		modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);
+/******/
+/******/ 		// Flag the module as loaded
+/******/ 		module.l = true;
+/******/
+/******/ 		// Return the exports of the module
+/******/ 		return module.exports;
+/******/ 	}
+/******/
+/******/
+/******/ 	// expose the modules object (__webpack_modules__)
+/******/ 	__w_pdfjs_require__.m = modules;
+/******/
+/******/ 	// expose the module cache
+/******/ 	__w_pdfjs_require__.c = installedModules;
+/******/
+/******/ 	// define getter function for harmony exports
+/******/ 	__w_pdfjs_require__.d = function(exports, name, getter) {
+/******/ 		if(!__w_pdfjs_require__.o(exports, name)) {
+/******/ 			Object.defineProperty(exports, name, { enumerable: true, get: getter });
+/******/ 		}
+/******/ 	};
+/******/
+/******/ 	// define __esModule on exports
+/******/ 	__w_pdfjs_require__.r = function(exports) {
+/******/ 		if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
+/******/ 			Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
+/******/ 		}
+/******/ 		Object.defineProperty(exports, '__esModule', { value: true });
+/******/ 	};
+/******/
+/******/ 	// create a fake namespace object
+/******/ 	// mode & 1: value is a module id, require it
+/******/ 	// mode & 2: merge all properties of value into the ns
+/******/ 	// mode & 4: return value when already ns object
+/******/ 	// mode & 8|1: behave like require
+/******/ 	__w_pdfjs_require__.t = function(value, mode) {
+/******/ 		if(mode & 1) value = __w_pdfjs_require__(value);
+/******/ 		if(mode & 8) return value;
+/******/ 		if((mode & 4) && typeof value === 'object' && value && value.__esModule) return value;
+/******/ 		var ns = Object.create(null);
+/******/ 		__w_pdfjs_require__.r(ns);
+/******/ 		Object.defineProperty(ns, 'default', { enumerable: true, value: value });
+/******/ 		if(mode & 2 && typeof value != 'string') for(var key in value) __w_pdfjs_require__.d(ns, key, function(key) { return value[key]; }.bind(null, key));
+/******/ 		return ns;
+/******/ 	};
+/******/
+/******/ 	// getDefaultExport function for compatibility with non-harmony modules
+/******/ 	__w_pdfjs_require__.n = function(module) {
+/******/ 		var getter = module && module.__esModule ?
+/******/ 			function getDefault() { return module['default']; } :
+/******/ 			function getModuleExports() { return module; };
+/******/ 		__w_pdfjs_require__.d(getter, 'a', getter);
+/******/ 		return getter;
+/******/ 	};
+/******/
+/******/ 	// Object.prototype.hasOwnProperty.call
+/******/ 	__w_pdfjs_require__.o = function(object, property) { return Object.prototype.hasOwnProperty.call(object, property); };
+/******/
+/******/ 	// __webpack_public_path__
+/******/ 	__w_pdfjs_require__.p = "";
+/******/
+/******/
+/******/ 	// Load entry module and return exports
+/******/ 	return __w_pdfjs_require__(__w_pdfjs_require__.s = 0);
+/******/ })
+/************************************************************************/
+/******/ ([
+/* 0 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var pdfjsVersion = '2.2.228';
+var pdfjsBuild = 'd7afb74a';
+
+var pdfjsSharedUtil = __w_pdfjs_require__(1);
+
+var pdfjsDisplayAPI = __w_pdfjs_require__(147);
+
+var pdfjsDisplayTextLayer = __w_pdfjs_require__(162);
+
+var pdfjsDisplayAnnotationLayer = __w_pdfjs_require__(163);
+
+var pdfjsDisplayDisplayUtils = __w_pdfjs_require__(151);
+
+var pdfjsDisplaySVG = __w_pdfjs_require__(164);
+
+var pdfjsDisplayWorkerOptions = __w_pdfjs_require__(156);
+
+var pdfjsDisplayAPICompatibility = __w_pdfjs_require__(153);
+
+{
+  var isNodeJS = __w_pdfjs_require__(4);
+
+  if (isNodeJS()) {
+    var PDFNodeStream = __w_pdfjs_require__(165).PDFNodeStream;
+
+    pdfjsDisplayAPI.setPDFNetworkStreamFactory(function (params) {
+      return new PDFNodeStream(params);
+    });
+  } else {
+    var PDFNetworkStream = __w_pdfjs_require__(168).PDFNetworkStream;
+
+    var PDFFetchStream;
+
+    if (pdfjsDisplayDisplayUtils.isFetchSupported()) {
+      PDFFetchStream = __w_pdfjs_require__(169).PDFFetchStream;
+    }
+
+    pdfjsDisplayAPI.setPDFNetworkStreamFactory(function (params) {
+      if (PDFFetchStream && pdfjsDisplayDisplayUtils.isValidFetchUrl(params.url)) {
+        return new PDFFetchStream(params);
+      }
+
+      return new PDFNetworkStream(params);
+    });
+  }
+}
+exports.build = pdfjsDisplayAPI.build;
+exports.version = pdfjsDisplayAPI.version;
+exports.getDocument = pdfjsDisplayAPI.getDocument;
+exports.LoopbackPort = pdfjsDisplayAPI.LoopbackPort;
+exports.PDFDataRangeTransport = pdfjsDisplayAPI.PDFDataRangeTransport;
+exports.PDFWorker = pdfjsDisplayAPI.PDFWorker;
+exports.renderTextLayer = pdfjsDisplayTextLayer.renderTextLayer;
+exports.AnnotationLayer = pdfjsDisplayAnnotationLayer.AnnotationLayer;
+exports.createPromiseCapability = pdfjsSharedUtil.createPromiseCapability;
+exports.PasswordResponses = pdfjsSharedUtil.PasswordResponses;
+exports.InvalidPDFException = pdfjsSharedUtil.InvalidPDFException;
+exports.MissingPDFException = pdfjsSharedUtil.MissingPDFException;
+exports.SVGGraphics = pdfjsDisplaySVG.SVGGraphics;
+exports.NativeImageDecoding = pdfjsSharedUtil.NativeImageDecoding;
+exports.CMapCompressionType = pdfjsSharedUtil.CMapCompressionType;
+exports.PermissionFlag = pdfjsSharedUtil.PermissionFlag;
+exports.UnexpectedResponseException = pdfjsSharedUtil.UnexpectedResponseException;
+exports.OPS = pdfjsSharedUtil.OPS;
+exports.VerbosityLevel = pdfjsSharedUtil.VerbosityLevel;
+exports.UNSUPPORTED_FEATURES = pdfjsSharedUtil.UNSUPPORTED_FEATURES;
+exports.createValidAbsoluteUrl = pdfjsSharedUtil.createValidAbsoluteUrl;
+exports.createObjectURL = pdfjsSharedUtil.createObjectURL;
+exports.removeNullCharacters = pdfjsSharedUtil.removeNullCharacters;
+exports.shadow = pdfjsSharedUtil.shadow;
+exports.Util = pdfjsSharedUtil.Util;
+exports.ReadableStream = pdfjsSharedUtil.ReadableStream;
+exports.URL = pdfjsSharedUtil.URL;
+exports.RenderingCancelledException = pdfjsDisplayDisplayUtils.RenderingCancelledException;
+exports.getFilenameFromUrl = pdfjsDisplayDisplayUtils.getFilenameFromUrl;
+exports.LinkTarget = pdfjsDisplayDisplayUtils.LinkTarget;
+exports.addLinkAttributes = pdfjsDisplayDisplayUtils.addLinkAttributes;
+exports.loadScript = pdfjsDisplayDisplayUtils.loadScript;
+exports.PDFDateString = pdfjsDisplayDisplayUtils.PDFDateString;
+exports.GlobalWorkerOptions = pdfjsDisplayWorkerOptions.GlobalWorkerOptions;
+exports.apiCompatibilityParams = pdfjsDisplayAPICompatibility.apiCompatibilityParams;
+
+/***/ }),
+/* 1 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.arrayByteLength = arrayByteLength;
+exports.arraysToBytes = arraysToBytes;
+exports.assert = assert;
+exports.bytesToString = bytesToString;
+exports.createPromiseCapability = createPromiseCapability;
+exports.getVerbosityLevel = getVerbosityLevel;
+exports.info = info;
+exports.isArrayBuffer = isArrayBuffer;
+exports.isArrayEqual = isArrayEqual;
+exports.isBool = isBool;
+exports.isEmptyObj = isEmptyObj;
+exports.isNum = isNum;
+exports.isString = isString;
+exports.isSpace = isSpace;
+exports.isSameOrigin = isSameOrigin;
+exports.createValidAbsoluteUrl = createValidAbsoluteUrl;
+exports.isLittleEndian = isLittleEndian;
+exports.isEvalSupported = isEvalSupported;
+exports.log2 = log2;
+exports.readInt8 = readInt8;
+exports.readUint16 = readUint16;
+exports.readUint32 = readUint32;
+exports.removeNullCharacters = removeNullCharacters;
+exports.setVerbosityLevel = setVerbosityLevel;
+exports.shadow = shadow;
+exports.string32 = string32;
+exports.stringToBytes = stringToBytes;
+exports.stringToPDFString = stringToPDFString;
+exports.stringToUTF8String = stringToUTF8String;
+exports.utf8StringToString = utf8StringToString;
+exports.warn = warn;
+exports.unreachable = unreachable;
+Object.defineProperty(exports, "ReadableStream", {
+  enumerable: true,
+  get: function get() {
+    return _streams_polyfill.ReadableStream;
+  }
+});
+Object.defineProperty(exports, "URL", {
+  enumerable: true,
+  get: function get() {
+    return _url_polyfill.URL;
+  }
+});
+exports.createObjectURL = exports.FormatError = exports.Util = exports.UnknownErrorException = exports.UnexpectedResponseException = exports.TextRenderingMode = exports.StreamType = exports.PermissionFlag = exports.PasswordResponses = exports.PasswordException = exports.NativeImageDecoding = exports.MissingPDFException = exports.InvalidPDFException = exports.AbortException = exports.CMapCompressionType = exports.ImageKind = exports.FontType = exports.AnnotationType = exports.AnnotationFlag = exports.AnnotationFieldFlag = exports.AnnotationBorderStyleType = exports.UNSUPPORTED_FEATURES = exports.VerbosityLevel = exports.OPS = exports.IDENTITY_MATRIX = exports.FONT_IDENTITY_MATRIX = void 0;
+
+__w_pdfjs_require__(2);
+
+var _streams_polyfill = __w_pdfjs_require__(143);
+
+var _url_polyfill = __w_pdfjs_require__(145);
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+var IDENTITY_MATRIX = [1, 0, 0, 1, 0, 0];
+exports.IDENTITY_MATRIX = IDENTITY_MATRIX;
+var FONT_IDENTITY_MATRIX = [0.001, 0, 0, 0.001, 0, 0];
+exports.FONT_IDENTITY_MATRIX = FONT_IDENTITY_MATRIX;
+var NativeImageDecoding = {
+  NONE: 'none',
+  DECODE: 'decode',
+  DISPLAY: 'display'
+};
+exports.NativeImageDecoding = NativeImageDecoding;
+var PermissionFlag = {
+  PRINT: 0x04,
+  MODIFY_CONTENTS: 0x08,
+  COPY: 0x10,
+  MODIFY_ANNOTATIONS: 0x20,
+  FILL_INTERACTIVE_FORMS: 0x100,
+  COPY_FOR_ACCESSIBILITY: 0x200,
+  ASSEMBLE: 0x400,
+  PRINT_HIGH_QUALITY: 0x800
+};
+exports.PermissionFlag = PermissionFlag;
+var TextRenderingMode = {
+  FILL: 0,
+  STROKE: 1,
+  FILL_STROKE: 2,
+  INVISIBLE: 3,
+  FILL_ADD_TO_PATH: 4,
+  STROKE_ADD_TO_PATH: 5,
+  FILL_STROKE_ADD_TO_PATH: 6,
+  ADD_TO_PATH: 7,
+  FILL_STROKE_MASK: 3,
+  ADD_TO_PATH_FLAG: 4
+};
+exports.TextRenderingMode = TextRenderingMode;
+var ImageKind = {
+  GRAYSCALE_1BPP: 1,
+  RGB_24BPP: 2,
+  RGBA_32BPP: 3
+};
+exports.ImageKind = ImageKind;
+var AnnotationType = {
+  TEXT: 1,
+  LINK: 2,
+  FREETEXT: 3,
+  LINE: 4,
+  SQUARE: 5,
+  CIRCLE: 6,
+  POLYGON: 7,
+  POLYLINE: 8,
+  HIGHLIGHT: 9,
+  UNDERLINE: 10,
+  SQUIGGLY: 11,
+  STRIKEOUT: 12,
+  STAMP: 13,
+  CARET: 14,
+  INK: 15,
+  POPUP: 16,
+  FILEATTACHMENT: 17,
+  SOUND: 18,
+  MOVIE: 19,
+  WIDGET: 20,
+  SCREEN: 21,
+  PRINTERMARK: 22,
+  TRAPNET: 23,
+  WATERMARK: 24,
+  THREED: 25,
+  REDACT: 26
+};
+exports.AnnotationType = AnnotationType;
+var AnnotationFlag = {
+  INVISIBLE: 0x01,
+  HIDDEN: 0x02,
+  PRINT: 0x04,
+  NOZOOM: 0x08,
+  NOROTATE: 0x10,
+  NOVIEW: 0x20,
+  READONLY: 0x40,
+  LOCKED: 0x80,
+  TOGGLENOVIEW: 0x100,
+  LOCKEDCONTENTS: 0x200
+};
+exports.AnnotationFlag = AnnotationFlag;
+var AnnotationFieldFlag = {
+  READONLY: 0x0000001,
+  REQUIRED: 0x0000002,
+  NOEXPORT: 0x0000004,
+  MULTILINE: 0x0001000,
+  PASSWORD: 0x0002000,
+  NOTOGGLETOOFF: 0x0004000,
+  RADIO: 0x0008000,
+  PUSHBUTTON: 0x0010000,
+  COMBO: 0x0020000,
+  EDIT: 0x0040000,
+  SORT: 0x0080000,
+  FILESELECT: 0x0100000,
+  MULTISELECT: 0x0200000,
+  DONOTSPELLCHECK: 0x0400000,
+  DONOTSCROLL: 0x0800000,
+  COMB: 0x1000000,
+  RICHTEXT: 0x2000000,
+  RADIOSINUNISON: 0x2000000,
+  COMMITONSELCHANGE: 0x4000000
+};
+exports.AnnotationFieldFlag = AnnotationFieldFlag;
+var AnnotationBorderStyleType = {
+  SOLID: 1,
+  DASHED: 2,
+  BEVELED: 3,
+  INSET: 4,
+  UNDERLINE: 5
+};
+exports.AnnotationBorderStyleType = AnnotationBorderStyleType;
+var StreamType = {
+  UNKNOWN: 0,
+  FLATE: 1,
+  LZW: 2,
+  DCT: 3,
+  JPX: 4,
+  JBIG: 5,
+  A85: 6,
+  AHX: 7,
+  CCF: 8,
+  RL: 9
+};
+exports.StreamType = StreamType;
+var FontType = {
+  UNKNOWN: 0,
+  TYPE1: 1,
+  TYPE1C: 2,
+  CIDFONTTYPE0: 3,
+  CIDFONTTYPE0C: 4,
+  TRUETYPE: 5,
+  CIDFONTTYPE2: 6,
+  TYPE3: 7,
+  OPENTYPE: 8,
+  TYPE0: 9,
+  MMTYPE1: 10
+};
+exports.FontType = FontType;
+var VerbosityLevel = {
+  ERRORS: 0,
+  WARNINGS: 1,
+  INFOS: 5
+};
+exports.VerbosityLevel = VerbosityLevel;
+var CMapCompressionType = {
+  NONE: 0,
+  BINARY: 1,
+  STREAM: 2
+};
+exports.CMapCompressionType = CMapCompressionType;
+var OPS = {
+  dependency: 1,
+  setLineWidth: 2,
+  setLineCap: 3,
+  setLineJoin: 4,
+  setMiterLimit: 5,
+  setDash: 6,
+  setRenderingIntent: 7,
+  setFlatness: 8,
+  setGState: 9,
+  save: 10,
+  restore: 11,
+  transform: 12,
+  moveTo: 13,
+  lineTo: 14,
+  curveTo: 15,
+  curveTo2: 16,
+  curveTo3: 17,
+  closePath: 18,
+  rectangle: 19,
+  stroke: 20,
+  closeStroke: 21,
+  fill: 22,
+  eoFill: 23,
+  fillStroke: 24,
+  eoFillStroke: 25,
+  closeFillStroke: 26,
+  closeEOFillStroke: 27,
+  endPath: 28,
+  clip: 29,
+  eoClip: 30,
+  beginText: 31,
+  endText: 32,
+  setCharSpacing: 33,
+  setWordSpacing: 34,
+  setHScale: 35,
+  setLeading: 36,
+  setFont: 37,
+  setTextRenderingMode: 38,
+  setTextRise: 39,
+  moveText: 40,
+  setLeadingMoveText: 41,
+  setTextMatrix: 42,
+  nextLine: 43,
+  showText: 44,
+  showSpacedText: 45,
+  nextLineShowText: 46,
+  nextLineSetSpacingShowText: 47,
+  setCharWidth: 48,
+  setCharWidthAndBounds: 49,
+  setStrokeColorSpace: 50,
+  setFillColorSpace: 51,
+  setStrokeColor: 52,
+  setStrokeColorN: 53,
+  setFillColor: 54,
+  setFillColorN: 55,
+  setStrokeGray: 56,
+  setFillGray: 57,
+  setStrokeRGBColor: 58,
+  setFillRGBColor: 59,
+  setStrokeCMYKColor: 60,
+  setFillCMYKColor: 61,
+  shadingFill: 62,
+  beginInlineImage: 63,
+  beginImageData: 64,
+  endInlineImage: 65,
+  paintXObject: 66,
+  markPoint: 67,
+  markPointProps: 68,
+  beginMarkedContent: 69,
+  beginMarkedContentProps: 70,
+  endMarkedContent: 71,
+  beginCompat: 72,
+  endCompat: 73,
+  paintFormXObjectBegin: 74,
+  paintFormXObjectEnd: 75,
+  beginGroup: 76,
+  endGroup: 77,
+  beginAnnotations: 78,
+  endAnnotations: 79,
+  beginAnnotation: 80,
+  endAnnotation: 81,
+  paintJpegXObject: 82,
+  paintImageMaskXObject: 83,
+  paintImageMaskXObjectGroup: 84,
+  paintImageXObject: 85,
+  paintInlineImageXObject: 86,
+  paintInlineImageXObjectGroup: 87,
+  paintImageXObjectRepeat: 88,
+  paintImageMaskXObjectRepeat: 89,
+  paintSolidColorImageMask: 90,
+  constructPath: 91
+};
+exports.OPS = OPS;
+var UNSUPPORTED_FEATURES = {
+  unknown: 'unknown',
+  forms: 'forms',
+  javaScript: 'javaScript',
+  smask: 'smask',
+  shadingPattern: 'shadingPattern',
+  font: 'font'
+};
+exports.UNSUPPORTED_FEATURES = UNSUPPORTED_FEATURES;
+var PasswordResponses = {
+  NEED_PASSWORD: 1,
+  INCORRECT_PASSWORD: 2
+};
+exports.PasswordResponses = PasswordResponses;
+var verbosity = VerbosityLevel.WARNINGS;
+
+function setVerbosityLevel(level) {
+  if (Number.isInteger(level)) {
+    verbosity = level;
+  }
+}
+
+function getVerbosityLevel() {
+  return verbosity;
+}
+
+function info(msg) {
+  if (verbosity >= VerbosityLevel.INFOS) {
+    console.log('Info: ' + msg);
+  }
+}
+
+function warn(msg) {
+  if (verbosity >= VerbosityLevel.WARNINGS) {
+    console.log('Warning: ' + msg);
+  }
+}
+
+function unreachable(msg) {
+  throw new Error(msg);
+}
+
+function assert(cond, msg) {
+  if (!cond) {
+    unreachable(msg);
+  }
+}
+
+function isSameOrigin(baseUrl, otherUrl) {
+  try {
+    var base = new _url_polyfill.URL(baseUrl);
+
+    if (!base.origin || base.origin === 'null') {
+      return false;
+    }
+  } catch (e) {
+    return false;
+  }
+
+  var other = new _url_polyfill.URL(otherUrl, base);
+  return base.origin === other.origin;
+}
+
+function _isValidProtocol(url) {
+  if (!url) {
+    return false;
+  }
+
+  switch (url.protocol) {
+    case 'http:':
+    case 'https:':
+    case 'ftp:':
+    case 'mailto:':
+    case 'tel:':
+      return true;
+
+    default:
+      return false;
+  }
+}
+
+function createValidAbsoluteUrl(url, baseUrl) {
+  if (!url) {
+    return null;
+  }
+
+  try {
+    var absoluteUrl = baseUrl ? new _url_polyfill.URL(url, baseUrl) : new _url_polyfill.URL(url);
+
+    if (_isValidProtocol(absoluteUrl)) {
+      return absoluteUrl;
+    }
+  } catch (ex) {}
+
+  return null;
+}
+
+function shadow(obj, prop, value) {
+  Object.defineProperty(obj, prop, {
+    value: value,
+    enumerable: true,
+    configurable: true,
+    writable: false
+  });
+  return value;
+}
+
+var PasswordException = function PasswordExceptionClosure() {
+  function PasswordException(msg, code) {
+    this.name = 'PasswordException';
+    this.message = msg;
+    this.code = code;
+  }
+
+  PasswordException.prototype = new Error();
+  PasswordException.constructor = PasswordException;
+  return PasswordException;
+}();
+
+exports.PasswordException = PasswordException;
+
+var UnknownErrorException = function UnknownErrorExceptionClosure() {
+  function UnknownErrorException(msg, details) {
+    this.name = 'UnknownErrorException';
+    this.message = msg;
+    this.details = details;
+  }
+
+  UnknownErrorException.prototype = new Error();
+  UnknownErrorException.constructor = UnknownErrorException;
+  return UnknownErrorException;
+}();
+
+exports.UnknownErrorException = UnknownErrorException;
+
+var InvalidPDFException = function InvalidPDFExceptionClosure() {
+  function InvalidPDFException(msg) {
+    this.name = 'InvalidPDFException';
+    this.message = msg;
+  }
+
+  InvalidPDFException.prototype = new Error();
+  InvalidPDFException.constructor = InvalidPDFException;
+  return InvalidPDFException;
+}();
+
+exports.InvalidPDFException = InvalidPDFException;
+
+var MissingPDFException = function MissingPDFExceptionClosure() {
+  function MissingPDFException(msg) {
+    this.name = 'MissingPDFException';
+    this.message = msg;
+  }
+
+  MissingPDFException.prototype = new Error();
+  MissingPDFException.constructor = MissingPDFException;
+  return MissingPDFException;
+}();
+
+exports.MissingPDFException = MissingPDFException;
+
+var UnexpectedResponseException = function UnexpectedResponseExceptionClosure() {
+  function UnexpectedResponseException(msg, status) {
+    this.name = 'UnexpectedResponseException';
+    this.message = msg;
+    this.status = status;
+  }
+
+  UnexpectedResponseException.prototype = new Error();
+  UnexpectedResponseException.constructor = UnexpectedResponseException;
+  return UnexpectedResponseException;
+}();
+
+exports.UnexpectedResponseException = UnexpectedResponseException;
+
+var FormatError = function FormatErrorClosure() {
+  function FormatError(msg) {
+    this.message = msg;
+  }
+
+  FormatError.prototype = new Error();
+  FormatError.prototype.name = 'FormatError';
+  FormatError.constructor = FormatError;
+  return FormatError;
+}();
+
+exports.FormatError = FormatError;
+
+var AbortException = function AbortExceptionClosure() {
+  function AbortException(msg) {
+    this.name = 'AbortException';
+    this.message = msg;
+  }
+
+  AbortException.prototype = new Error();
+  AbortException.constructor = AbortException;
+  return AbortException;
+}();
+
+exports.AbortException = AbortException;
+var NullCharactersRegExp = /\x00/g;
+
+function removeNullCharacters(str) {
+  if (typeof str !== 'string') {
+    warn('The argument for removeNullCharacters must be a string.');
+    return str;
+  }
+
+  return str.replace(NullCharactersRegExp, '');
+}
+
+function bytesToString(bytes) {
+  assert(bytes !== null && _typeof(bytes) === 'object' && bytes.length !== undefined, 'Invalid argument for bytesToString');
+  var length = bytes.length;
+  var MAX_ARGUMENT_COUNT = 8192;
+
+  if (length < MAX_ARGUMENT_COUNT) {
+    return String.fromCharCode.apply(null, bytes);
+  }
+
+  var strBuf = [];
+
+  for (var i = 0; i < length; i += MAX_ARGUMENT_COUNT) {
+    var chunkEnd = Math.min(i + MAX_ARGUMENT_COUNT, length);
+    var chunk = bytes.subarray(i, chunkEnd);
+    strBuf.push(String.fromCharCode.apply(null, chunk));
+  }
+
+  return strBuf.join('');
+}
+
+function stringToBytes(str) {
+  assert(typeof str === 'string', 'Invalid argument for stringToBytes');
+  var length = str.length;
+  var bytes = new Uint8Array(length);
+
+  for (var i = 0; i < length; ++i) {
+    bytes[i] = str.charCodeAt(i) & 0xFF;
+  }
+
+  return bytes;
+}
+
+function arrayByteLength(arr) {
+  if (arr.length !== undefined) {
+    return arr.length;
+  }
+
+  assert(arr.byteLength !== undefined);
+  return arr.byteLength;
+}
+
+function arraysToBytes(arr) {
+  if (arr.length === 1 && arr[0] instanceof Uint8Array) {
+    return arr[0];
+  }
+
+  var resultLength = 0;
+  var i,
+      ii = arr.length;
+  var item, itemLength;
+
+  for (i = 0; i < ii; i++) {
+    item = arr[i];
+    itemLength = arrayByteLength(item);
+    resultLength += itemLength;
+  }
+
+  var pos = 0;
+  var data = new Uint8Array(resultLength);
+
+  for (i = 0; i < ii; i++) {
+    item = arr[i];
+
+    if (!(item instanceof Uint8Array)) {
+      if (typeof item === 'string') {
+        item = stringToBytes(item);
+      } else {
+        item = new Uint8Array(item);
+      }
+    }
+
+    itemLength = item.byteLength;
+    data.set(item, pos);
+    pos += itemLength;
+  }
+
+  return data;
+}
+
+function string32(value) {
+  return String.fromCharCode(value >> 24 & 0xff, value >> 16 & 0xff, value >> 8 & 0xff, value & 0xff);
+}
+
+function log2(x) {
+  if (x <= 0) {
+    return 0;
+  }
+
+  return Math.ceil(Math.log2(x));
+}
+
+function readInt8(data, start) {
+  return data[start] << 24 >> 24;
+}
+
+function readUint16(data, offset) {
+  return data[offset] << 8 | data[offset + 1];
+}
+
+function readUint32(data, offset) {
+  return (data[offset] << 24 | data[offset + 1] << 16 | data[offset + 2] << 8 | data[offset + 3]) >>> 0;
+}
+
+function isLittleEndian() {
+  var buffer8 = new Uint8Array(4);
+  buffer8[0] = 1;
+  var view32 = new Uint32Array(buffer8.buffer, 0, 1);
+  return view32[0] === 1;
+}
+
+function isEvalSupported() {
+  try {
+    new Function('');
+    return true;
+  } catch (e) {
+    return false;
+  }
+}
+
+var Util = function UtilClosure() {
+  function Util() {}
+
+  var rgbBuf = ['rgb(', 0, ',', 0, ',', 0, ')'];
+
+  Util.makeCssRgb = function Util_makeCssRgb(r, g, b) {
+    rgbBuf[1] = r;
+    rgbBuf[3] = g;
+    rgbBuf[5] = b;
+    return rgbBuf.join('');
+  };
+
+  Util.transform = function Util_transform(m1, m2) {
+    return [m1[0] * m2[0] + m1[2] * m2[1], m1[1] * m2[0] + m1[3] * m2[1], m1[0] * m2[2] + m1[2] * m2[3], m1[1] * m2[2] + m1[3] * m2[3], m1[0] * m2[4] + m1[2] * m2[5] + m1[4], m1[1] * m2[4] + m1[3] * m2[5] + m1[5]];
+  };
+
+  Util.applyTransform = function Util_applyTransform(p, m) {
+    var xt = p[0] * m[0] + p[1] * m[2] + m[4];
+    var yt = p[0] * m[1] + p[1] * m[3] + m[5];
+    return [xt, yt];
+  };
+
+  Util.applyInverseTransform = function Util_applyInverseTransform(p, m) {
+    var d = m[0] * m[3] - m[1] * m[2];
+    var xt = (p[0] * m[3] - p[1] * m[2] + m[2] * m[5] - m[4] * m[3]) / d;
+    var yt = (-p[0] * m[1] + p[1] * m[0] + m[4] * m[1] - m[5] * m[0]) / d;
+    return [xt, yt];
+  };
+
+  Util.getAxialAlignedBoundingBox = function Util_getAxialAlignedBoundingBox(r, m) {
+    var p1 = Util.applyTransform(r, m);
+    var p2 = Util.applyTransform(r.slice(2, 4), m);
+    var p3 = Util.applyTransform([r[0], r[3]], m);
+    var p4 = Util.applyTransform([r[2], r[1]], m);
+    return [Math.min(p1[0], p2[0], p3[0], p4[0]), Math.min(p1[1], p2[1], p3[1], p4[1]), Math.max(p1[0], p2[0], p3[0], p4[0]), Math.max(p1[1], p2[1], p3[1], p4[1])];
+  };
+
+  Util.inverseTransform = function Util_inverseTransform(m) {
+    var d = m[0] * m[3] - m[1] * m[2];
+    return [m[3] / d, -m[1] / d, -m[2] / d, m[0] / d, (m[2] * m[5] - m[4] * m[3]) / d, (m[4] * m[1] - m[5] * m[0]) / d];
+  };
+
+  Util.apply3dTransform = function Util_apply3dTransform(m, v) {
+    return [m[0] * v[0] + m[1] * v[1] + m[2] * v[2], m[3] * v[0] + m[4] * v[1] + m[5] * v[2], m[6] * v[0] + m[7] * v[1] + m[8] * v[2]];
+  };
+
+  Util.singularValueDecompose2dScale = function Util_singularValueDecompose2dScale(m) {
+    var transpose = [m[0], m[2], m[1], m[3]];
+    var a = m[0] * transpose[0] + m[1] * transpose[2];
+    var b = m[0] * transpose[1] + m[1] * transpose[3];
+    var c = m[2] * transpose[0] + m[3] * transpose[2];
+    var d = m[2] * transpose[1] + m[3] * transpose[3];
+    var first = (a + d) / 2;
+    var second = Math.sqrt((a + d) * (a + d) - 4 * (a * d - c * b)) / 2;
+    var sx = first + second || 1;
+    var sy = first - second || 1;
+    return [Math.sqrt(sx), Math.sqrt(sy)];
+  };
+
+  Util.normalizeRect = function Util_normalizeRect(rect) {
+    var r = rect.slice(0);
+
+    if (rect[0] > rect[2]) {
+      r[0] = rect[2];
+      r[2] = rect[0];
+    }
+
+    if (rect[1] > rect[3]) {
+      r[1] = rect[3];
+      r[3] = rect[1];
+    }
+
+    return r;
+  };
+
+  Util.intersect = function Util_intersect(rect1, rect2) {
+    function compare(a, b) {
+      return a - b;
+    }
+
+    var orderedX = [rect1[0], rect1[2], rect2[0], rect2[2]].sort(compare),
+        orderedY = [rect1[1], rect1[3], rect2[1], rect2[3]].sort(compare),
+        result = [];
+    rect1 = Util.normalizeRect(rect1);
+    rect2 = Util.normalizeRect(rect2);
+
+    if (orderedX[0] === rect1[0] && orderedX[1] === rect2[0] || orderedX[0] === rect2[0] && orderedX[1] === rect1[0]) {
+      result[0] = orderedX[1];
+      result[2] = orderedX[2];
+    } else {
+      return false;
+    }
+
+    if (orderedY[0] === rect1[1] && orderedY[1] === rect2[1] || orderedY[0] === rect2[1] && orderedY[1] === rect1[1]) {
+      result[1] = orderedY[1];
+      result[3] = orderedY[2];
+    } else {
+      return false;
+    }
+
+    return result;
+  };
+
+  return Util;
+}();
+
+exports.Util = Util;
+var PDFStringTranslateTable = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2D8, 0x2C7, 0x2C6, 0x2D9, 0x2DD, 0x2DB, 0x2DA, 0x2DC, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x2022, 0x2020, 0x2021, 0x2026, 0x2014, 0x2013, 0x192, 0x2044, 0x2039, 0x203A, 0x2212, 0x2030, 0x201E, 0x201C, 0x201D, 0x2018, 0x2019, 0x201A, 0x2122, 0xFB01, 0xFB02, 0x141, 0x152, 0x160, 0x178, 0x17D, 0x131, 0x142, 0x153, 0x161, 0x17E, 0, 0x20AC];
+
+function stringToPDFString(str) {
+  var i,
+      n = str.length,
+      strBuf = [];
+
+  if (str[0] === '\xFE' && str[1] === '\xFF') {
+    for (i = 2; i < n; i += 2) {
+      strBuf.push(String.fromCharCode(str.charCodeAt(i) << 8 | str.charCodeAt(i + 1)));
+    }
+  } else {
+    for (i = 0; i < n; ++i) {
+      var code = PDFStringTranslateTable[str.charCodeAt(i)];
+      strBuf.push(code ? String.fromCharCode(code) : str.charAt(i));
+    }
+  }
+
+  return strBuf.join('');
+}
+
+function stringToUTF8String(str) {
+  return decodeURIComponent(escape(str));
+}
+
+function utf8StringToString(str) {
+  return unescape(encodeURIComponent(str));
+}
+
+function isEmptyObj(obj) {
+  for (var key in obj) {
+    return false;
+  }
+
+  return true;
+}
+
+function isBool(v) {
+  return typeof v === 'boolean';
+}
+
+function isNum(v) {
+  return typeof v === 'number';
+}
+
+function isString(v) {
+  return typeof v === 'string';
+}
+
+function isArrayBuffer(v) {
+  return _typeof(v) === 'object' && v !== null && v.byteLength !== undefined;
+}
+
+function isArrayEqual(arr1, arr2) {
+  if (arr1.length !== arr2.length) {
+    return false;
+  }
+
+  return arr1.every(function (element, index) {
+    return element === arr2[index];
+  });
+}
+
+function isSpace(ch) {
+  return ch === 0x20 || ch === 0x09 || ch === 0x0D || ch === 0x0A;
+}
+
+function createPromiseCapability() {
+  var capability = Object.create(null);
+  var isSettled = false;
+  Object.defineProperty(capability, 'settled', {
+    get: function get() {
+      return isSettled;
+    }
+  });
+  capability.promise = new Promise(function (resolve, reject) {
+    capability.resolve = function (data) {
+      isSettled = true;
+      resolve(data);
+    };
+
+    capability.reject = function (reason) {
+      isSettled = true;
+      reject(reason);
+    };
+  });
+  return capability;
+}
+
+var createObjectURL = function createObjectURLClosure() {
+  var digits = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=';
+  return function createObjectURL(data, contentType) {
+    var forceDataSchema = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
+    if (!forceDataSchema && _url_polyfill.URL.createObjectURL) {
+      var blob = new Blob([data], {
+        type: contentType
+      });
+      return _url_polyfill.URL.createObjectURL(blob);
+    }
+
+    var buffer = 'data:' + contentType + ';base64,';
+
+    for (var i = 0, ii = data.length; i < ii; i += 3) {
+      var b1 = data[i] & 0xFF;
+      var b2 = data[i + 1] & 0xFF;
+      var b3 = data[i + 2] & 0xFF;
+      var d1 = b1 >> 2,
+          d2 = (b1 & 3) << 4 | b2 >> 4;
+      var d3 = i + 1 < ii ? (b2 & 0xF) << 2 | b3 >> 6 : 64;
+      var d4 = i + 2 < ii ? b3 & 0x3F : 64;
+      buffer += digits[d1] + digits[d2] + digits[d3] + digits[d4];
+    }
+
+    return buffer;
+  };
+}();
+
+exports.createObjectURL = createObjectURL;
+
+/***/ }),
+/* 2 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+var globalScope = __w_pdfjs_require__(3);
+
+if (!globalScope._pdfjsCompatibilityChecked) {
+  globalScope._pdfjsCompatibilityChecked = true;
+
+  var isNodeJS = __w_pdfjs_require__(4);
+
+  var hasDOM = (typeof window === "undefined" ? "undefined" : _typeof(window)) === 'object' && (typeof document === "undefined" ? "undefined" : _typeof(document)) === 'object';
+
+  (function checkNodeBtoa() {
+    if (globalScope.btoa || !isNodeJS()) {
+      return;
+    }
+
+    globalScope.btoa = function (chars) {
+      return Buffer.from(chars, 'binary').toString('base64');
+    };
+  })();
+
+  (function checkNodeAtob() {
+    if (globalScope.atob || !isNodeJS()) {
+      return;
+    }
+
+    globalScope.atob = function (input) {
+      return Buffer.from(input, 'base64').toString('binary');
+    };
+  })();
+
+  (function checkChildNodeRemove() {
+    if (!hasDOM) {
+      return;
+    }
+
+    if (typeof Element.prototype.remove !== 'undefined') {
+      return;
+    }
+
+    Element.prototype.remove = function () {
+      if (this.parentNode) {
+        this.parentNode.removeChild(this);
+      }
+    };
+  })();
+
+  (function checkDOMTokenListAddRemove() {
+    if (!hasDOM || isNodeJS()) {
+      return;
+    }
+
+    var div = document.createElement('div');
+    div.classList.add('testOne', 'testTwo');
+
+    if (div.classList.contains('testOne') === true && div.classList.contains('testTwo') === true) {
+      return;
+    }
+
+    var OriginalDOMTokenListAdd = DOMTokenList.prototype.add;
+    var OriginalDOMTokenListRemove = DOMTokenList.prototype.remove;
+
+    DOMTokenList.prototype.add = function () {
+      for (var _len = arguments.length, tokens = new Array(_len), _key = 0; _key < _len; _key++) {
+        tokens[_key] = arguments[_key];
+      }
+
+      for (var _i = 0, _tokens = tokens; _i < _tokens.length; _i++) {
+        var token = _tokens[_i];
+        OriginalDOMTokenListAdd.call(this, token);
+      }
+    };
+
+    DOMTokenList.prototype.remove = function () {
+      for (var _len2 = arguments.length, tokens = new Array(_len2), _key2 = 0; _key2 < _len2; _key2++) {
+        tokens[_key2] = arguments[_key2];
+      }
+
+      for (var _i2 = 0, _tokens2 = tokens; _i2 < _tokens2.length; _i2++) {
+        var token = _tokens2[_i2];
+        OriginalDOMTokenListRemove.call(this, token);
+      }
+    };
+  })();
+
+  (function checkDOMTokenListToggle() {
+    if (!hasDOM || isNodeJS()) {
+      return;
+    }
+
+    var div = document.createElement('div');
+
+    if (div.classList.toggle('test', 0) === false) {
+      return;
+    }
+
+    DOMTokenList.prototype.toggle = function (token) {
+      var force = arguments.length > 1 ? !!arguments[1] : !this.contains(token);
+      return this[force ? 'add' : 'remove'](token), force;
+    };
+  })();
+
+  (function checkStringStartsWith() {
+    if (String.prototype.startsWith) {
+      return;
+    }
+
+    __w_pdfjs_require__(5);
+  })();
+
+  (function checkStringEndsWith() {
+    if (String.prototype.endsWith) {
+      return;
+    }
+
+    __w_pdfjs_require__(36);
+  })();
+
+  (function checkStringIncludes() {
+    if (String.prototype.includes) {
+      return;
+    }
+
+    __w_pdfjs_require__(38);
+  })();
+
+  (function checkArrayIncludes() {
+    if (Array.prototype.includes) {
+      return;
+    }
+
+    __w_pdfjs_require__(40);
+  })();
+
+  (function checkArrayFrom() {
+    if (Array.from) {
+      return;
+    }
+
+    __w_pdfjs_require__(47);
+  })();
+
+  (function checkObjectAssign() {
+    if (Object.assign) {
+      return;
+    }
+
+    __w_pdfjs_require__(70);
+  })();
+
+  (function checkMathLog2() {
+    if (Math.log2) {
+      return;
+    }
+
+    Math.log2 = __w_pdfjs_require__(75);
+  })();
+
+  (function checkNumberIsNaN() {
+    if (Number.isNaN) {
+      return;
+    }
+
+    Number.isNaN = __w_pdfjs_require__(77);
+  })();
+
+  (function checkNumberIsInteger() {
+    if (Number.isInteger) {
+      return;
+    }
+
+    Number.isInteger = __w_pdfjs_require__(79);
+  })();
+
+  (function checkPromise() {
+    if (globalScope.Promise && globalScope.Promise.prototype && globalScope.Promise.prototype["finally"]) {
+      return;
+    }
+
+    globalScope.Promise = __w_pdfjs_require__(82);
+  })();
+
+  (function checkWeakMap() {
+    if (globalScope.WeakMap) {
+      return;
+    }
+
+    globalScope.WeakMap = __w_pdfjs_require__(102);
+  })();
+
+  (function checkWeakSet() {
+    if (globalScope.WeakSet) {
+      return;
+    }
+
+    globalScope.WeakSet = __w_pdfjs_require__(119);
+  })();
+
+  (function checkStringCodePointAt() {
+    if (String.codePointAt) {
+      return;
+    }
+
+    String.codePointAt = __w_pdfjs_require__(123);
+  })();
+
+  (function checkStringFromCodePoint() {
+    if (String.fromCodePoint) {
+      return;
+    }
+
+    String.fromCodePoint = __w_pdfjs_require__(125);
+  })();
+
+  (function checkSymbol() {
+    if (globalScope.Symbol) {
+      return;
+    }
+
+    __w_pdfjs_require__(127);
+  })();
+
+  (function checkStringPadStart() {
+    if (String.prototype.padStart) {
+      return;
+    }
+
+    __w_pdfjs_require__(134);
+  })();
+
+  (function checkStringPadEnd() {
+    if (String.prototype.padEnd) {
+      return;
+    }
+
+    __w_pdfjs_require__(138);
+  })();
+
+  (function checkObjectValues() {
+    if (Object.values) {
+      return;
+    }
+
+    Object.values = __w_pdfjs_require__(140);
+  })();
+}
+
+/***/ }),
+/* 3 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = typeof window !== 'undefined' && window.Math === Math ? window : typeof global !== 'undefined' && global.Math === Math ? global : typeof self !== 'undefined' && self.Math === Math ? self : {};
+
+/***/ }),
+/* 4 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+module.exports = function isNodeJS() {
+  return (typeof process === "undefined" ? "undefined" : _typeof(process)) === 'object' && process + '' === '[object process]' && !process.versions['nw'] && !process.versions['electron'];
+};
+
+/***/ }),
+/* 5 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(6);
+
+module.exports = __w_pdfjs_require__(9).String.startsWith;
+
+/***/ }),
+/* 6 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $export = __w_pdfjs_require__(7);
+
+var toLength = __w_pdfjs_require__(28);
+
+var context = __w_pdfjs_require__(30);
+
+var STARTS_WITH = 'startsWith';
+var $startsWith = ''[STARTS_WITH];
+$export($export.P + $export.F * __w_pdfjs_require__(35)(STARTS_WITH), 'String', {
+  startsWith: function startsWith(searchString) {
+    var that = context(this, searchString, STARTS_WITH);
+    var index = toLength(Math.min(arguments.length > 1 ? arguments[1] : undefined, that.length));
+    var search = String(searchString);
+    return $startsWith ? $startsWith.call(that, search, index) : that.slice(index, index + search.length) === search;
+  }
+});
+
+/***/ }),
+/* 7 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var global = __w_pdfjs_require__(8);
+
+var core = __w_pdfjs_require__(9);
+
+var hide = __w_pdfjs_require__(10);
+
+var redefine = __w_pdfjs_require__(20);
+
+var ctx = __w_pdfjs_require__(26);
+
+var PROTOTYPE = 'prototype';
+
+var $export = function $export(type, name, source) {
+  var IS_FORCED = type & $export.F;
+  var IS_GLOBAL = type & $export.G;
+  var IS_STATIC = type & $export.S;
+  var IS_PROTO = type & $export.P;
+  var IS_BIND = type & $export.B;
+  var target = IS_GLOBAL ? global : IS_STATIC ? global[name] || (global[name] = {}) : (global[name] || {})[PROTOTYPE];
+  var exports = IS_GLOBAL ? core : core[name] || (core[name] = {});
+  var expProto = exports[PROTOTYPE] || (exports[PROTOTYPE] = {});
+  var key, own, out, exp;
+  if (IS_GLOBAL) source = name;
+
+  for (key in source) {
+    own = !IS_FORCED && target && target[key] !== undefined;
+    out = (own ? target : source)[key];
+    exp = IS_BIND && own ? ctx(out, global) : IS_PROTO && typeof out == 'function' ? ctx(Function.call, out) : out;
+    if (target) redefine(target, key, out, type & $export.U);
+    if (exports[key] != out) hide(exports, key, exp);
+    if (IS_PROTO && expProto[key] != out) expProto[key] = out;
+  }
+};
+
+global.core = core;
+$export.F = 1;
+$export.G = 2;
+$export.S = 4;
+$export.P = 8;
+$export.B = 16;
+$export.W = 32;
+$export.U = 64;
+$export.R = 128;
+module.exports = $export;
+
+/***/ }),
+/* 8 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var global = module.exports = typeof window != 'undefined' && window.Math == Math ? window : typeof self != 'undefined' && self.Math == Math ? self : Function('return this')();
+if (typeof __g == 'number') __g = global;
+
+/***/ }),
+/* 9 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var core = module.exports = {
+  version: '2.6.9'
+};
+if (typeof __e == 'number') __e = core;
+
+/***/ }),
+/* 10 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var dP = __w_pdfjs_require__(11);
+
+var createDesc = __w_pdfjs_require__(19);
+
+module.exports = __w_pdfjs_require__(15) ? function (object, key, value) {
+  return dP.f(object, key, createDesc(1, value));
+} : function (object, key, value) {
+  object[key] = value;
+  return object;
+};
+
+/***/ }),
+/* 11 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var anObject = __w_pdfjs_require__(12);
+
+var IE8_DOM_DEFINE = __w_pdfjs_require__(14);
+
+var toPrimitive = __w_pdfjs_require__(18);
+
+var dP = Object.defineProperty;
+exports.f = __w_pdfjs_require__(15) ? Object.defineProperty : function defineProperty(O, P, Attributes) {
+  anObject(O);
+  P = toPrimitive(P, true);
+  anObject(Attributes);
+  if (IE8_DOM_DEFINE) try {
+    return dP(O, P, Attributes);
+  } catch (e) {}
+  if ('get' in Attributes || 'set' in Attributes) throw TypeError('Accessors not supported!');
+  if ('value' in Attributes) O[P] = Attributes.value;
+  return O;
+};
+
+/***/ }),
+/* 12 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var isObject = __w_pdfjs_require__(13);
+
+module.exports = function (it) {
+  if (!isObject(it)) throw TypeError(it + ' is not an object!');
+  return it;
+};
+
+/***/ }),
+/* 13 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+module.exports = function (it) {
+  return _typeof(it) === 'object' ? it !== null : typeof it === 'function';
+};
+
+/***/ }),
+/* 14 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = !__w_pdfjs_require__(15) && !__w_pdfjs_require__(16)(function () {
+  return Object.defineProperty(__w_pdfjs_require__(17)('div'), 'a', {
+    get: function get() {
+      return 7;
+    }
+  }).a != 7;
+});
+
+/***/ }),
+/* 15 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = !__w_pdfjs_require__(16)(function () {
+  return Object.defineProperty({}, 'a', {
+    get: function get() {
+      return 7;
+    }
+  }).a != 7;
+});
+
+/***/ }),
+/* 16 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = function (exec) {
+  try {
+    return !!exec();
+  } catch (e) {
+    return true;
+  }
+};
+
+/***/ }),
+/* 17 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var isObject = __w_pdfjs_require__(13);
+
+var document = __w_pdfjs_require__(8).document;
+
+var is = isObject(document) && isObject(document.createElement);
+
+module.exports = function (it) {
+  return is ? document.createElement(it) : {};
+};
+
+/***/ }),
+/* 18 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var isObject = __w_pdfjs_require__(13);
+
+module.exports = function (it, S) {
+  if (!isObject(it)) return it;
+  var fn, val;
+  if (S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;
+  if (typeof (fn = it.valueOf) == 'function' && !isObject(val = fn.call(it))) return val;
+  if (!S && typeof (fn = it.toString) == 'function' && !isObject(val = fn.call(it))) return val;
+  throw TypeError("Can't convert object to primitive value");
+};
+
+/***/ }),
+/* 19 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = function (bitmap, value) {
+  return {
+    enumerable: !(bitmap & 1),
+    configurable: !(bitmap & 2),
+    writable: !(bitmap & 4),
+    value: value
+  };
+};
+
+/***/ }),
+/* 20 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var global = __w_pdfjs_require__(8);
+
+var hide = __w_pdfjs_require__(10);
+
+var has = __w_pdfjs_require__(21);
+
+var SRC = __w_pdfjs_require__(22)('src');
+
+var $toString = __w_pdfjs_require__(23);
+
+var TO_STRING = 'toString';
+var TPL = ('' + $toString).split(TO_STRING);
+
+__w_pdfjs_require__(9).inspectSource = function (it) {
+  return $toString.call(it);
+};
+
+(module.exports = function (O, key, val, safe) {
+  var isFunction = typeof val == 'function';
+  if (isFunction) has(val, 'name') || hide(val, 'name', key);
+  if (O[key] === val) return;
+  if (isFunction) has(val, SRC) || hide(val, SRC, O[key] ? '' + O[key] : TPL.join(String(key)));
+
+  if (O === global) {
+    O[key] = val;
+  } else if (!safe) {
+    delete O[key];
+    hide(O, key, val);
+  } else if (O[key]) {
+    O[key] = val;
+  } else {
+    hide(O, key, val);
+  }
+})(Function.prototype, TO_STRING, function toString() {
+  return typeof this == 'function' && this[SRC] || $toString.call(this);
+});
+
+/***/ }),
+/* 21 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var hasOwnProperty = {}.hasOwnProperty;
+
+module.exports = function (it, key) {
+  return hasOwnProperty.call(it, key);
+};
+
+/***/ }),
+/* 22 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var id = 0;
+var px = Math.random();
+
+module.exports = function (key) {
+  return 'Symbol('.concat(key === undefined ? '' : key, ')_', (++id + px).toString(36));
+};
+
+/***/ }),
+/* 23 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = __w_pdfjs_require__(24)('native-function-to-string', Function.toString);
+
+/***/ }),
+/* 24 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var core = __w_pdfjs_require__(9);
+
+var global = __w_pdfjs_require__(8);
+
+var SHARED = '__core-js_shared__';
+var store = global[SHARED] || (global[SHARED] = {});
+(module.exports = function (key, value) {
+  return store[key] || (store[key] = value !== undefined ? value : {});
+})('versions', []).push({
+  version: core.version,
+  mode: __w_pdfjs_require__(25) ? 'pure' : 'global',
+  copyright: '© 2019 Denis Pushkarev (zloirock.ru)'
+});
+
+/***/ }),
+/* 25 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = false;
+
+/***/ }),
+/* 26 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var aFunction = __w_pdfjs_require__(27);
+
+module.exports = function (fn, that, length) {
+  aFunction(fn);
+  if (that === undefined) return fn;
+
+  switch (length) {
+    case 1:
+      return function (a) {
+        return fn.call(that, a);
+      };
+
+    case 2:
+      return function (a, b) {
+        return fn.call(that, a, b);
+      };
+
+    case 3:
+      return function (a, b, c) {
+        return fn.call(that, a, b, c);
+      };
+  }
+
+  return function () {
+    return fn.apply(that, arguments);
+  };
+};
+
+/***/ }),
+/* 27 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = function (it) {
+  if (typeof it != 'function') throw TypeError(it + ' is not a function!');
+  return it;
+};
+
+/***/ }),
+/* 28 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var toInteger = __w_pdfjs_require__(29);
+
+var min = Math.min;
+
+module.exports = function (it) {
+  return it > 0 ? min(toInteger(it), 0x1fffffffffffff) : 0;
+};
+
+/***/ }),
+/* 29 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var ceil = Math.ceil;
+var floor = Math.floor;
+
+module.exports = function (it) {
+  return isNaN(it = +it) ? 0 : (it > 0 ? floor : ceil)(it);
+};
+
+/***/ }),
+/* 30 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var isRegExp = __w_pdfjs_require__(31);
+
+var defined = __w_pdfjs_require__(34);
+
+module.exports = function (that, searchString, NAME) {
+  if (isRegExp(searchString)) throw TypeError('String#' + NAME + " doesn't accept regex!");
+  return String(defined(that));
+};
+
+/***/ }),
+/* 31 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var isObject = __w_pdfjs_require__(13);
+
+var cof = __w_pdfjs_require__(32);
+
+var MATCH = __w_pdfjs_require__(33)('match');
+
+module.exports = function (it) {
+  var isRegExp;
+  return isObject(it) && ((isRegExp = it[MATCH]) !== undefined ? !!isRegExp : cof(it) == 'RegExp');
+};
+
+/***/ }),
+/* 32 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var toString = {}.toString;
+
+module.exports = function (it) {
+  return toString.call(it).slice(8, -1);
+};
+
+/***/ }),
+/* 33 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var store = __w_pdfjs_require__(24)('wks');
+
+var uid = __w_pdfjs_require__(22);
+
+var _Symbol = __w_pdfjs_require__(8).Symbol;
+
+var USE_SYMBOL = typeof _Symbol == 'function';
+
+var $exports = module.exports = function (name) {
+  return store[name] || (store[name] = USE_SYMBOL && _Symbol[name] || (USE_SYMBOL ? _Symbol : uid)('Symbol.' + name));
+};
+
+$exports.store = store;
+
+/***/ }),
+/* 34 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = function (it) {
+  if (it == undefined) throw TypeError("Can't call method on  " + it);
+  return it;
+};
+
+/***/ }),
+/* 35 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var MATCH = __w_pdfjs_require__(33)('match');
+
+module.exports = function (KEY) {
+  var re = /./;
+
+  try {
+    '/./'[KEY](re);
+  } catch (e) {
+    try {
+      re[MATCH] = false;
+      return !'/./'[KEY](re);
+    } catch (f) {}
+  }
+
+  return true;
+};
+
+/***/ }),
+/* 36 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(37);
+
+module.exports = __w_pdfjs_require__(9).String.endsWith;
+
+/***/ }),
+/* 37 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $export = __w_pdfjs_require__(7);
+
+var toLength = __w_pdfjs_require__(28);
+
+var context = __w_pdfjs_require__(30);
+
+var ENDS_WITH = 'endsWith';
+var $endsWith = ''[ENDS_WITH];
+$export($export.P + $export.F * __w_pdfjs_require__(35)(ENDS_WITH), 'String', {
+  endsWith: function endsWith(searchString) {
+    var that = context(this, searchString, ENDS_WITH);
+    var endPosition = arguments.length > 1 ? arguments[1] : undefined;
+    var len = toLength(that.length);
+    var end = endPosition === undefined ? len : Math.min(toLength(endPosition), len);
+    var search = String(searchString);
+    return $endsWith ? $endsWith.call(that, search, end) : that.slice(end - search.length, end) === search;
+  }
+});
+
+/***/ }),
+/* 38 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(39);
+
+module.exports = __w_pdfjs_require__(9).String.includes;
+
+/***/ }),
+/* 39 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $export = __w_pdfjs_require__(7);
+
+var context = __w_pdfjs_require__(30);
+
+var INCLUDES = 'includes';
+$export($export.P + $export.F * __w_pdfjs_require__(35)(INCLUDES), 'String', {
+  includes: function includes(searchString) {
+    return !!~context(this, searchString, INCLUDES).indexOf(searchString, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
+
+/***/ }),
+/* 40 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(41);
+
+module.exports = __w_pdfjs_require__(9).Array.includes;
+
+/***/ }),
+/* 41 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $export = __w_pdfjs_require__(7);
+
+var $includes = __w_pdfjs_require__(42)(true);
+
+$export($export.P, 'Array', {
+  includes: function includes(el) {
+    return $includes(this, el, arguments.length > 1 ? arguments[1] : undefined);
+  }
+});
+
+__w_pdfjs_require__(46)('includes');
+
+/***/ }),
+/* 42 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var toIObject = __w_pdfjs_require__(43);
+
+var toLength = __w_pdfjs_require__(28);
+
+var toAbsoluteIndex = __w_pdfjs_require__(45);
+
+module.exports = function (IS_INCLUDES) {
+  return function ($this, el, fromIndex) {
+    var O = toIObject($this);
+    var length = toLength(O.length);
+    var index = toAbsoluteIndex(fromIndex, length);
+    var value;
+    if (IS_INCLUDES && el != el) while (length > index) {
+      value = O[index++];
+      if (value != value) return true;
+    } else for (; length > index; index++) {
+      if (IS_INCLUDES || index in O) {
+        if (O[index] === el) return IS_INCLUDES || index || 0;
+      }
+    }
+    return !IS_INCLUDES && -1;
+  };
+};
+
+/***/ }),
+/* 43 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var IObject = __w_pdfjs_require__(44);
+
+var defined = __w_pdfjs_require__(34);
+
+module.exports = function (it) {
+  return IObject(defined(it));
+};
+
+/***/ }),
+/* 44 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var cof = __w_pdfjs_require__(32);
+
+module.exports = Object('z').propertyIsEnumerable(0) ? Object : function (it) {
+  return cof(it) == 'String' ? it.split('') : Object(it);
+};
+
+/***/ }),
+/* 45 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var toInteger = __w_pdfjs_require__(29);
+
+var max = Math.max;
+var min = Math.min;
+
+module.exports = function (index, length) {
+  index = toInteger(index);
+  return index < 0 ? max(index + length, 0) : min(index, length);
+};
+
+/***/ }),
+/* 46 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var UNSCOPABLES = __w_pdfjs_require__(33)('unscopables');
+
+var ArrayProto = Array.prototype;
+if (ArrayProto[UNSCOPABLES] == undefined) __w_pdfjs_require__(10)(ArrayProto, UNSCOPABLES, {});
+
+module.exports = function (key) {
+  ArrayProto[UNSCOPABLES][key] = true;
+};
+
+/***/ }),
+/* 47 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(48);
+
+__w_pdfjs_require__(63);
+
+module.exports = __w_pdfjs_require__(9).Array.from;
+
+/***/ }),
+/* 48 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $at = __w_pdfjs_require__(49)(true);
+
+__w_pdfjs_require__(50)(String, 'String', function (iterated) {
+  this._t = String(iterated);
+  this._i = 0;
+}, function () {
+  var O = this._t;
+  var index = this._i;
+  var point;
+  if (index >= O.length) return {
+    value: undefined,
+    done: true
+  };
+  point = $at(O, index);
+  this._i += point.length;
+  return {
+    value: point,
+    done: false
+  };
+});
+
+/***/ }),
+/* 49 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var toInteger = __w_pdfjs_require__(29);
+
+var defined = __w_pdfjs_require__(34);
+
+module.exports = function (TO_STRING) {
+  return function (that, pos) {
+    var s = String(defined(that));
+    var i = toInteger(pos);
+    var l = s.length;
+    var a, b;
+    if (i < 0 || i >= l) return TO_STRING ? '' : undefined;
+    a = s.charCodeAt(i);
+    return a < 0xd800 || a > 0xdbff || i + 1 === l || (b = s.charCodeAt(i + 1)) < 0xdc00 || b > 0xdfff ? TO_STRING ? s.charAt(i) : a : TO_STRING ? s.slice(i, i + 2) : (a - 0xd800 << 10) + (b - 0xdc00) + 0x10000;
+  };
+};
+
+/***/ }),
+/* 50 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var LIBRARY = __w_pdfjs_require__(25);
+
+var $export = __w_pdfjs_require__(7);
+
+var redefine = __w_pdfjs_require__(20);
+
+var hide = __w_pdfjs_require__(10);
+
+var Iterators = __w_pdfjs_require__(51);
+
+var $iterCreate = __w_pdfjs_require__(52);
+
+var setToStringTag = __w_pdfjs_require__(60);
+
+var getPrototypeOf = __w_pdfjs_require__(61);
+
+var ITERATOR = __w_pdfjs_require__(33)('iterator');
+
+var BUGGY = !([].keys && 'next' in [].keys());
+var FF_ITERATOR = '@@iterator';
+var KEYS = 'keys';
+var VALUES = 'values';
+
+var returnThis = function returnThis() {
+  return this;
+};
+
+module.exports = function (Base, NAME, Constructor, next, DEFAULT, IS_SET, FORCED) {
+  $iterCreate(Constructor, NAME, next);
+
+  var getMethod = function getMethod(kind) {
+    if (!BUGGY && kind in proto) return proto[kind];
+
+    switch (kind) {
+      case KEYS:
+        return function keys() {
+          return new Constructor(this, kind);
+        };
+
+      case VALUES:
+        return function values() {
+          return new Constructor(this, kind);
+        };
+    }
+
+    return function entries() {
+      return new Constructor(this, kind);
+    };
+  };
+
+  var TAG = NAME + ' Iterator';
+  var DEF_VALUES = DEFAULT == VALUES;
+  var VALUES_BUG = false;
+  var proto = Base.prototype;
+  var $native = proto[ITERATOR] || proto[FF_ITERATOR] || DEFAULT && proto[DEFAULT];
+  var $default = $native || getMethod(DEFAULT);
+  var $entries = DEFAULT ? !DEF_VALUES ? $default : getMethod('entries') : undefined;
+  var $anyNative = NAME == 'Array' ? proto.entries || $native : $native;
+  var methods, key, IteratorPrototype;
+
+  if ($anyNative) {
+    IteratorPrototype = getPrototypeOf($anyNative.call(new Base()));
+
+    if (IteratorPrototype !== Object.prototype && IteratorPrototype.next) {
+      setToStringTag(IteratorPrototype, TAG, true);
+      if (!LIBRARY && typeof IteratorPrototype[ITERATOR] != 'function') hide(IteratorPrototype, ITERATOR, returnThis);
+    }
+  }
+
+  if (DEF_VALUES && $native && $native.name !== VALUES) {
+    VALUES_BUG = true;
+
+    $default = function values() {
+      return $native.call(this);
+    };
+  }
+
+  if ((!LIBRARY || FORCED) && (BUGGY || VALUES_BUG || !proto[ITERATOR])) {
+    hide(proto, ITERATOR, $default);
+  }
+
+  Iterators[NAME] = $default;
+  Iterators[TAG] = returnThis;
+
+  if (DEFAULT) {
+    methods = {
+      values: DEF_VALUES ? $default : getMethod(VALUES),
+      keys: IS_SET ? $default : getMethod(KEYS),
+      entries: $entries
+    };
+    if (FORCED) for (key in methods) {
+      if (!(key in proto)) redefine(proto, key, methods[key]);
+    } else $export($export.P + $export.F * (BUGGY || VALUES_BUG), NAME, methods);
+  }
+
+  return methods;
+};
+
+/***/ }),
+/* 51 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = {};
+
+/***/ }),
+/* 52 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var create = __w_pdfjs_require__(53);
+
+var descriptor = __w_pdfjs_require__(19);
+
+var setToStringTag = __w_pdfjs_require__(60);
+
+var IteratorPrototype = {};
+
+__w_pdfjs_require__(10)(IteratorPrototype, __w_pdfjs_require__(33)('iterator'), function () {
+  return this;
+});
+
+module.exports = function (Constructor, NAME, next) {
+  Constructor.prototype = create(IteratorPrototype, {
+    next: descriptor(1, next)
+  });
+  setToStringTag(Constructor, NAME + ' Iterator');
+};
+
+/***/ }),
+/* 53 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var anObject = __w_pdfjs_require__(12);
+
+var dPs = __w_pdfjs_require__(54);
+
+var enumBugKeys = __w_pdfjs_require__(58);
+
+var IE_PROTO = __w_pdfjs_require__(57)('IE_PROTO');
+
+var Empty = function Empty() {};
+
+var PROTOTYPE = 'prototype';
+
+var _createDict = function createDict() {
+  var iframe = __w_pdfjs_require__(17)('iframe');
+
+  var i = enumBugKeys.length;
+  var lt = '<';
+  var gt = '>';
+  var iframeDocument;
+  iframe.style.display = 'none';
+
+  __w_pdfjs_require__(59).appendChild(iframe);
+
+  iframe.src = 'javascript:';
+  iframeDocument = iframe.contentWindow.document;
+  iframeDocument.open();
+  iframeDocument.write(lt + 'script' + gt + 'document.F=Object' + lt + '/script' + gt);
+  iframeDocument.close();
+  _createDict = iframeDocument.F;
+
+  while (i--) {
+    delete _createDict[PROTOTYPE][enumBugKeys[i]];
+  }
+
+  return _createDict();
+};
+
+module.exports = Object.create || function create(O, Properties) {
+  var result;
+
+  if (O !== null) {
+    Empty[PROTOTYPE] = anObject(O);
+    result = new Empty();
+    Empty[PROTOTYPE] = null;
+    result[IE_PROTO] = O;
+  } else result = _createDict();
+
+  return Properties === undefined ? result : dPs(result, Properties);
+};
+
+/***/ }),
+/* 54 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var dP = __w_pdfjs_require__(11);
+
+var anObject = __w_pdfjs_require__(12);
+
+var getKeys = __w_pdfjs_require__(55);
+
+module.exports = __w_pdfjs_require__(15) ? Object.defineProperties : function defineProperties(O, Properties) {
+  anObject(O);
+  var keys = getKeys(Properties);
+  var length = keys.length;
+  var i = 0;
+  var P;
+
+  while (length > i) {
+    dP.f(O, P = keys[i++], Properties[P]);
+  }
+
+  return O;
+};
+
+/***/ }),
+/* 55 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $keys = __w_pdfjs_require__(56);
+
+var enumBugKeys = __w_pdfjs_require__(58);
+
+module.exports = Object.keys || function keys(O) {
+  return $keys(O, enumBugKeys);
+};
+
+/***/ }),
+/* 56 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var has = __w_pdfjs_require__(21);
+
+var toIObject = __w_pdfjs_require__(43);
+
+var arrayIndexOf = __w_pdfjs_require__(42)(false);
+
+var IE_PROTO = __w_pdfjs_require__(57)('IE_PROTO');
+
+module.exports = function (object, names) {
+  var O = toIObject(object);
+  var i = 0;
+  var result = [];
+  var key;
+
+  for (key in O) {
+    if (key != IE_PROTO) has(O, key) && result.push(key);
+  }
+
+  while (names.length > i) {
+    if (has(O, key = names[i++])) {
+      ~arrayIndexOf(result, key) || result.push(key);
+    }
+  }
+
+  return result;
+};
+
+/***/ }),
+/* 57 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var shared = __w_pdfjs_require__(24)('keys');
+
+var uid = __w_pdfjs_require__(22);
+
+module.exports = function (key) {
+  return shared[key] || (shared[key] = uid(key));
+};
+
+/***/ }),
+/* 58 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = 'constructor,hasOwnProperty,isPrototypeOf,propertyIsEnumerable,toLocaleString,toString,valueOf'.split(',');
+
+/***/ }),
+/* 59 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var document = __w_pdfjs_require__(8).document;
+
+module.exports = document && document.documentElement;
+
+/***/ }),
+/* 60 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var def = __w_pdfjs_require__(11).f;
+
+var has = __w_pdfjs_require__(21);
+
+var TAG = __w_pdfjs_require__(33)('toStringTag');
+
+module.exports = function (it, tag, stat) {
+  if (it && !has(it = stat ? it : it.prototype, TAG)) def(it, TAG, {
+    configurable: true,
+    value: tag
+  });
+};
+
+/***/ }),
+/* 61 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var has = __w_pdfjs_require__(21);
+
+var toObject = __w_pdfjs_require__(62);
+
+var IE_PROTO = __w_pdfjs_require__(57)('IE_PROTO');
+
+var ObjectProto = Object.prototype;
+
+module.exports = Object.getPrototypeOf || function (O) {
+  O = toObject(O);
+  if (has(O, IE_PROTO)) return O[IE_PROTO];
+
+  if (typeof O.constructor == 'function' && O instanceof O.constructor) {
+    return O.constructor.prototype;
+  }
+
+  return O instanceof Object ? ObjectProto : null;
+};
+
+/***/ }),
+/* 62 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var defined = __w_pdfjs_require__(34);
+
+module.exports = function (it) {
+  return Object(defined(it));
+};
+
+/***/ }),
+/* 63 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var ctx = __w_pdfjs_require__(26);
+
+var $export = __w_pdfjs_require__(7);
+
+var toObject = __w_pdfjs_require__(62);
+
+var call = __w_pdfjs_require__(64);
+
+var isArrayIter = __w_pdfjs_require__(65);
+
+var toLength = __w_pdfjs_require__(28);
+
+var createProperty = __w_pdfjs_require__(66);
+
+var getIterFn = __w_pdfjs_require__(67);
+
+$export($export.S + $export.F * !__w_pdfjs_require__(69)(function (iter) {
+  Array.from(iter);
+}), 'Array', {
+  from: function from(arrayLike) {
+    var O = toObject(arrayLike);
+    var C = typeof this == 'function' ? this : Array;
+    var aLen = arguments.length;
+    var mapfn = aLen > 1 ? arguments[1] : undefined;
+    var mapping = mapfn !== undefined;
+    var index = 0;
+    var iterFn = getIterFn(O);
+    var length, result, step, iterator;
+    if (mapping) mapfn = ctx(mapfn, aLen > 2 ? arguments[2] : undefined, 2);
+
+    if (iterFn != undefined && !(C == Array && isArrayIter(iterFn))) {
+      for (iterator = iterFn.call(O), result = new C(); !(step = iterator.next()).done; index++) {
+        createProperty(result, index, mapping ? call(iterator, mapfn, [step.value, index], true) : step.value);
+      }
+    } else {
+      length = toLength(O.length);
+
+      for (result = new C(length); length > index; index++) {
+        createProperty(result, index, mapping ? mapfn(O[index], index) : O[index]);
+      }
+    }
+
+    result.length = index;
+    return result;
+  }
+});
+
+/***/ }),
+/* 64 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var anObject = __w_pdfjs_require__(12);
+
+module.exports = function (iterator, fn, value, entries) {
+  try {
+    return entries ? fn(anObject(value)[0], value[1]) : fn(value);
+  } catch (e) {
+    var ret = iterator['return'];
+    if (ret !== undefined) anObject(ret.call(iterator));
+    throw e;
+  }
+};
+
+/***/ }),
+/* 65 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var Iterators = __w_pdfjs_require__(51);
+
+var ITERATOR = __w_pdfjs_require__(33)('iterator');
+
+var ArrayProto = Array.prototype;
+
+module.exports = function (it) {
+  return it !== undefined && (Iterators.Array === it || ArrayProto[ITERATOR] === it);
+};
+
+/***/ }),
+/* 66 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $defineProperty = __w_pdfjs_require__(11);
+
+var createDesc = __w_pdfjs_require__(19);
+
+module.exports = function (object, index, value) {
+  if (index in object) $defineProperty.f(object, index, createDesc(0, value));else object[index] = value;
+};
+
+/***/ }),
+/* 67 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var classof = __w_pdfjs_require__(68);
+
+var ITERATOR = __w_pdfjs_require__(33)('iterator');
+
+var Iterators = __w_pdfjs_require__(51);
+
+module.exports = __w_pdfjs_require__(9).getIteratorMethod = function (it) {
+  if (it != undefined) return it[ITERATOR] || it['@@iterator'] || Iterators[classof(it)];
+};
+
+/***/ }),
+/* 68 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var cof = __w_pdfjs_require__(32);
+
+var TAG = __w_pdfjs_require__(33)('toStringTag');
+
+var ARG = cof(function () {
+  return arguments;
+}()) == 'Arguments';
+
+var tryGet = function tryGet(it, key) {
+  try {
+    return it[key];
+  } catch (e) {}
+};
+
+module.exports = function (it) {
+  var O, T, B;
+  return it === undefined ? 'Undefined' : it === null ? 'Null' : typeof (T = tryGet(O = Object(it), TAG)) == 'string' ? T : ARG ? cof(O) : (B = cof(O)) == 'Object' && typeof O.callee == 'function' ? 'Arguments' : B;
+};
+
+/***/ }),
+/* 69 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var ITERATOR = __w_pdfjs_require__(33)('iterator');
+
+var SAFE_CLOSING = false;
+
+try {
+  var riter = [7][ITERATOR]();
+
+  riter['return'] = function () {
+    SAFE_CLOSING = true;
+  };
+
+  Array.from(riter, function () {
+    throw 2;
+  });
+} catch (e) {}
+
+module.exports = function (exec, skipClosing) {
+  if (!skipClosing && !SAFE_CLOSING) return false;
+  var safe = false;
+
+  try {
+    var arr = [7];
+    var iter = arr[ITERATOR]();
+
+    iter.next = function () {
+      return {
+        done: safe = true
+      };
+    };
+
+    arr[ITERATOR] = function () {
+      return iter;
+    };
+
+    exec(arr);
+  } catch (e) {}
+
+  return safe;
+};
+
+/***/ }),
+/* 70 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(71);
+
+module.exports = __w_pdfjs_require__(9).Object.assign;
+
+/***/ }),
+/* 71 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $export = __w_pdfjs_require__(7);
+
+$export($export.S + $export.F, 'Object', {
+  assign: __w_pdfjs_require__(72)
+});
+
+/***/ }),
+/* 72 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var DESCRIPTORS = __w_pdfjs_require__(15);
+
+var getKeys = __w_pdfjs_require__(55);
+
+var gOPS = __w_pdfjs_require__(73);
+
+var pIE = __w_pdfjs_require__(74);
+
+var toObject = __w_pdfjs_require__(62);
+
+var IObject = __w_pdfjs_require__(44);
+
+var $assign = Object.assign;
+module.exports = !$assign || __w_pdfjs_require__(16)(function () {
+  var A = {};
+  var B = {};
+  var S = Symbol();
+  var K = 'abcdefghijklmnopqrst';
+  A[S] = 7;
+  K.split('').forEach(function (k) {
+    B[k] = k;
+  });
+  return $assign({}, A)[S] != 7 || Object.keys($assign({}, B)).join('') != K;
+}) ? function assign(target, source) {
+  var T = toObject(target);
+  var aLen = arguments.length;
+  var index = 1;
+  var getSymbols = gOPS.f;
+  var isEnum = pIE.f;
+
+  while (aLen > index) {
+    var S = IObject(arguments[index++]);
+    var keys = getSymbols ? getKeys(S).concat(getSymbols(S)) : getKeys(S);
+    var length = keys.length;
+    var j = 0;
+    var key;
+
+    while (length > j) {
+      key = keys[j++];
+      if (!DESCRIPTORS || isEnum.call(S, key)) T[key] = S[key];
+    }
+  }
+
+  return T;
+} : $assign;
+
+/***/ }),
+/* 73 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+exports.f = Object.getOwnPropertySymbols;
+
+/***/ }),
+/* 74 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+exports.f = {}.propertyIsEnumerable;
+
+/***/ }),
+/* 75 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(76);
+
+module.exports = __w_pdfjs_require__(9).Math.log2;
+
+/***/ }),
+/* 76 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $export = __w_pdfjs_require__(7);
+
+$export($export.S, 'Math', {
+  log2: function log2(x) {
+    return Math.log(x) / Math.LN2;
+  }
+});
+
+/***/ }),
+/* 77 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(78);
+
+module.exports = __w_pdfjs_require__(9).Number.isNaN;
+
+/***/ }),
+/* 78 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $export = __w_pdfjs_require__(7);
+
+$export($export.S, 'Number', {
+  isNaN: function isNaN(number) {
+    return number != number;
+  }
+});
+
+/***/ }),
+/* 79 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(80);
+
+module.exports = __w_pdfjs_require__(9).Number.isInteger;
+
+/***/ }),
+/* 80 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $export = __w_pdfjs_require__(7);
+
+$export($export.S, 'Number', {
+  isInteger: __w_pdfjs_require__(81)
+});
+
+/***/ }),
+/* 81 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var isObject = __w_pdfjs_require__(13);
+
+var floor = Math.floor;
+
+module.exports = function isInteger(it) {
+  return !isObject(it) && isFinite(it) && floor(it) === it;
+};
+
+/***/ }),
+/* 82 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(83);
+
+__w_pdfjs_require__(48);
+
+__w_pdfjs_require__(84);
+
+__w_pdfjs_require__(87);
+
+__w_pdfjs_require__(100);
+
+__w_pdfjs_require__(101);
+
+module.exports = __w_pdfjs_require__(9).Promise;
+
+/***/ }),
+/* 83 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var classof = __w_pdfjs_require__(68);
+
+var test = {};
+test[__w_pdfjs_require__(33)('toStringTag')] = 'z';
+
+if (test + '' != '[object z]') {
+  __w_pdfjs_require__(20)(Object.prototype, 'toString', function toString() {
+    return '[object ' + classof(this) + ']';
+  }, true);
+}
+
+/***/ }),
+/* 84 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $iterators = __w_pdfjs_require__(85);
+
+var getKeys = __w_pdfjs_require__(55);
+
+var redefine = __w_pdfjs_require__(20);
+
+var global = __w_pdfjs_require__(8);
+
+var hide = __w_pdfjs_require__(10);
+
+var Iterators = __w_pdfjs_require__(51);
+
+var wks = __w_pdfjs_require__(33);
+
+var ITERATOR = wks('iterator');
+var TO_STRING_TAG = wks('toStringTag');
+var ArrayValues = Iterators.Array;
+var DOMIterables = {
+  CSSRuleList: true,
+  CSSStyleDeclaration: false,
+  CSSValueList: false,
+  ClientRectList: false,
+  DOMRectList: false,
+  DOMStringList: false,
+  DOMTokenList: true,
+  DataTransferItemList: false,
+  FileList: false,
+  HTMLAllCollection: false,
+  HTMLCollection: false,
+  HTMLFormElement: false,
+  HTMLSelectElement: false,
+  MediaList: true,
+  MimeTypeArray: false,
+  NamedNodeMap: false,
+  NodeList: true,
+  PaintRequestList: false,
+  Plugin: false,
+  PluginArray: false,
+  SVGLengthList: false,
+  SVGNumberList: false,
+  SVGPathSegList: false,
+  SVGPointList: false,
+  SVGStringList: false,
+  SVGTransformList: false,
+  SourceBufferList: false,
+  StyleSheetList: true,
+  TextTrackCueList: false,
+  TextTrackList: false,
+  TouchList: false
+};
+
+for (var collections = getKeys(DOMIterables), i = 0; i < collections.length; i++) {
+  var NAME = collections[i];
+  var explicit = DOMIterables[NAME];
+  var Collection = global[NAME];
+  var proto = Collection && Collection.prototype;
+  var key;
+
+  if (proto) {
+    if (!proto[ITERATOR]) hide(proto, ITERATOR, ArrayValues);
+    if (!proto[TO_STRING_TAG]) hide(proto, TO_STRING_TAG, NAME);
+    Iterators[NAME] = ArrayValues;
+    if (explicit) for (key in $iterators) {
+      if (!proto[key]) redefine(proto, key, $iterators[key], true);
+    }
+  }
+}
+
+/***/ }),
+/* 85 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var addToUnscopables = __w_pdfjs_require__(46);
+
+var step = __w_pdfjs_require__(86);
+
+var Iterators = __w_pdfjs_require__(51);
+
+var toIObject = __w_pdfjs_require__(43);
+
+module.exports = __w_pdfjs_require__(50)(Array, 'Array', function (iterated, kind) {
+  this._t = toIObject(iterated);
+  this._i = 0;
+  this._k = kind;
+}, function () {
+  var O = this._t;
+  var kind = this._k;
+  var index = this._i++;
+
+  if (!O || index >= O.length) {
+    this._t = undefined;
+    return step(1);
+  }
+
+  if (kind == 'keys') return step(0, index);
+  if (kind == 'values') return step(0, O[index]);
+  return step(0, [index, O[index]]);
+}, 'values');
+Iterators.Arguments = Iterators.Array;
+addToUnscopables('keys');
+addToUnscopables('values');
+addToUnscopables('entries');
+
+/***/ }),
+/* 86 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = function (done, value) {
+  return {
+    value: value,
+    done: !!done
+  };
+};
+
+/***/ }),
+/* 87 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var LIBRARY = __w_pdfjs_require__(25);
+
+var global = __w_pdfjs_require__(8);
+
+var ctx = __w_pdfjs_require__(26);
+
+var classof = __w_pdfjs_require__(68);
+
+var $export = __w_pdfjs_require__(7);
+
+var isObject = __w_pdfjs_require__(13);
+
+var aFunction = __w_pdfjs_require__(27);
+
+var anInstance = __w_pdfjs_require__(88);
+
+var forOf = __w_pdfjs_require__(89);
+
+var speciesConstructor = __w_pdfjs_require__(90);
+
+var task = __w_pdfjs_require__(91).set;
+
+var microtask = __w_pdfjs_require__(93)();
+
+var newPromiseCapabilityModule = __w_pdfjs_require__(94);
+
+var perform = __w_pdfjs_require__(95);
+
+var userAgent = __w_pdfjs_require__(96);
+
+var promiseResolve = __w_pdfjs_require__(97);
+
+var PROMISE = 'Promise';
+var TypeError = global.TypeError;
+var process = global.process;
+var versions = process && process.versions;
+var v8 = versions && versions.v8 || '';
+var $Promise = global[PROMISE];
+var isNode = classof(process) == 'process';
+
+var empty = function empty() {};
+
+var Internal, newGenericPromiseCapability, OwnPromiseCapability, Wrapper;
+var newPromiseCapability = newGenericPromiseCapability = newPromiseCapabilityModule.f;
+var USE_NATIVE = !!function () {
+  try {
+    var promise = $Promise.resolve(1);
+
+    var FakePromise = (promise.constructor = {})[__w_pdfjs_require__(33)('species')] = function (exec) {
+      exec(empty, empty);
+    };
+
+    return (isNode || typeof PromiseRejectionEvent == 'function') && promise.then(empty) instanceof FakePromise && v8.indexOf('6.6') !== 0 && userAgent.indexOf('Chrome/66') === -1;
+  } catch (e) {}
+}();
+
+var isThenable = function isThenable(it) {
+  var then;
+  return isObject(it) && typeof (then = it.then) == 'function' ? then : false;
+};
+
+var notify = function notify(promise, isReject) {
+  if (promise._n) return;
+  promise._n = true;
+  var chain = promise._c;
+  microtask(function () {
+    var value = promise._v;
+    var ok = promise._s == 1;
+    var i = 0;
+
+    var run = function run(reaction) {
+      var handler = ok ? reaction.ok : reaction.fail;
+      var resolve = reaction.resolve;
+      var reject = reaction.reject;
+      var domain = reaction.domain;
+      var result, then, exited;
+
+      try {
+        if (handler) {
+          if (!ok) {
+            if (promise._h == 2) onHandleUnhandled(promise);
+            promise._h = 1;
+          }
+
+          if (handler === true) result = value;else {
+            if (domain) domain.enter();
+            result = handler(value);
+
+            if (domain) {
+              domain.exit();
+              exited = true;
+            }
+          }
+
+          if (result === reaction.promise) {
+            reject(TypeError('Promise-chain cycle'));
+          } else if (then = isThenable(result)) {
+            then.call(result, resolve, reject);
+          } else resolve(result);
+        } else reject(value);
+      } catch (e) {
+        if (domain && !exited) domain.exit();
+        reject(e);
+      }
+    };
+
+    while (chain.length > i) {
+      run(chain[i++]);
+    }
+
+    promise._c = [];
+    promise._n = false;
+    if (isReject && !promise._h) onUnhandled(promise);
+  });
+};
+
+var onUnhandled = function onUnhandled(promise) {
+  task.call(global, function () {
+    var value = promise._v;
+    var unhandled = isUnhandled(promise);
+    var result, handler, console;
+
+    if (unhandled) {
+      result = perform(function () {
+        if (isNode) {
+          process.emit('unhandledRejection', value, promise);
+        } else if (handler = global.onunhandledrejection) {
+          handler({
+            promise: promise,
+            reason: value
+          });
+        } else if ((console = global.console) && console.error) {
+          console.error('Unhandled promise rejection', value);
+        }
+      });
+      promise._h = isNode || isUnhandled(promise) ? 2 : 1;
+    }
+
+    promise._a = undefined;
+    if (unhandled && result.e) throw result.v;
+  });
+};
+
+var isUnhandled = function isUnhandled(promise) {
+  return promise._h !== 1 && (promise._a || promise._c).length === 0;
+};
+
+var onHandleUnhandled = function onHandleUnhandled(promise) {
+  task.call(global, function () {
+    var handler;
+
+    if (isNode) {
+      process.emit('rejectionHandled', promise);
+    } else if (handler = global.onrejectionhandled) {
+      handler({
+        promise: promise,
+        reason: promise._v
+      });
+    }
+  });
+};
+
+var $reject = function $reject(value) {
+  var promise = this;
+  if (promise._d) return;
+  promise._d = true;
+  promise = promise._w || promise;
+  promise._v = value;
+  promise._s = 2;
+  if (!promise._a) promise._a = promise._c.slice();
+  notify(promise, true);
+};
+
+var $resolve = function $resolve(value) {
+  var promise = this;
+  var then;
+  if (promise._d) return;
+  promise._d = true;
+  promise = promise._w || promise;
+
+  try {
+    if (promise === value) throw TypeError("Promise can't be resolved itself");
+
+    if (then = isThenable(value)) {
+      microtask(function () {
+        var wrapper = {
+          _w: promise,
+          _d: false
+        };
+
+        try {
+          then.call(value, ctx($resolve, wrapper, 1), ctx($reject, wrapper, 1));
+        } catch (e) {
+          $reject.call(wrapper, e);
+        }
+      });
+    } else {
+      promise._v = value;
+      promise._s = 1;
+      notify(promise, false);
+    }
+  } catch (e) {
+    $reject.call({
+      _w: promise,
+      _d: false
+    }, e);
+  }
+};
+
+if (!USE_NATIVE) {
+  $Promise = function Promise(executor) {
+    anInstance(this, $Promise, PROMISE, '_h');
+    aFunction(executor);
+    Internal.call(this);
+
+    try {
+      executor(ctx($resolve, this, 1), ctx($reject, this, 1));
+    } catch (err) {
+      $reject.call(this, err);
+    }
+  };
+
+  Internal = function Promise(executor) {
+    this._c = [];
+    this._a = undefined;
+    this._s = 0;
+    this._d = false;
+    this._v = undefined;
+    this._h = 0;
+    this._n = false;
+  };
+
+  Internal.prototype = __w_pdfjs_require__(98)($Promise.prototype, {
+    then: function then(onFulfilled, onRejected) {
+      var reaction = newPromiseCapability(speciesConstructor(this, $Promise));
+      reaction.ok = typeof onFulfilled == 'function' ? onFulfilled : true;
+      reaction.fail = typeof onRejected == 'function' && onRejected;
+      reaction.domain = isNode ? process.domain : undefined;
+
+      this._c.push(reaction);
+
+      if (this._a) this._a.push(reaction);
+      if (this._s) notify(this, false);
+      return reaction.promise;
+    },
+    'catch': function _catch(onRejected) {
+      return this.then(undefined, onRejected);
+    }
+  });
+
+  OwnPromiseCapability = function OwnPromiseCapability() {
+    var promise = new Internal();
+    this.promise = promise;
+    this.resolve = ctx($resolve, promise, 1);
+    this.reject = ctx($reject, promise, 1);
+  };
+
+  newPromiseCapabilityModule.f = newPromiseCapability = function newPromiseCapability(C) {
+    return C === $Promise || C === Wrapper ? new OwnPromiseCapability(C) : newGenericPromiseCapability(C);
+  };
+}
+
+$export($export.G + $export.W + $export.F * !USE_NATIVE, {
+  Promise: $Promise
+});
+
+__w_pdfjs_require__(60)($Promise, PROMISE);
+
+__w_pdfjs_require__(99)(PROMISE);
+
+Wrapper = __w_pdfjs_require__(9)[PROMISE];
+$export($export.S + $export.F * !USE_NATIVE, PROMISE, {
+  reject: function reject(r) {
+    var capability = newPromiseCapability(this);
+    var $$reject = capability.reject;
+    $$reject(r);
+    return capability.promise;
+  }
+});
+$export($export.S + $export.F * (LIBRARY || !USE_NATIVE), PROMISE, {
+  resolve: function resolve(x) {
+    return promiseResolve(LIBRARY && this === Wrapper ? $Promise : this, x);
+  }
+});
+$export($export.S + $export.F * !(USE_NATIVE && __w_pdfjs_require__(69)(function (iter) {
+  $Promise.all(iter)['catch'](empty);
+})), PROMISE, {
+  all: function all(iterable) {
+    var C = this;
+    var capability = newPromiseCapability(C);
+    var resolve = capability.resolve;
+    var reject = capability.reject;
+    var result = perform(function () {
+      var values = [];
+      var index = 0;
+      var remaining = 1;
+      forOf(iterable, false, function (promise) {
+        var $index = index++;
+        var alreadyCalled = false;
+        values.push(undefined);
+        remaining++;
+        C.resolve(promise).then(function (value) {
+          if (alreadyCalled) return;
+          alreadyCalled = true;
+          values[$index] = value;
+          --remaining || resolve(values);
+        }, reject);
+      });
+      --remaining || resolve(values);
+    });
+    if (result.e) reject(result.v);
+    return capability.promise;
+  },
+  race: function race(iterable) {
+    var C = this;
+    var capability = newPromiseCapability(C);
+    var reject = capability.reject;
+    var result = perform(function () {
+      forOf(iterable, false, function (promise) {
+        C.resolve(promise).then(capability.resolve, reject);
+      });
+    });
+    if (result.e) reject(result.v);
+    return capability.promise;
+  }
+});
+
+/***/ }),
+/* 88 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = function (it, Constructor, name, forbiddenField) {
+  if (!(it instanceof Constructor) || forbiddenField !== undefined && forbiddenField in it) {
+    throw TypeError(name + ': incorrect invocation!');
+  }
+
+  return it;
+};
+
+/***/ }),
+/* 89 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var ctx = __w_pdfjs_require__(26);
+
+var call = __w_pdfjs_require__(64);
+
+var isArrayIter = __w_pdfjs_require__(65);
+
+var anObject = __w_pdfjs_require__(12);
+
+var toLength = __w_pdfjs_require__(28);
+
+var getIterFn = __w_pdfjs_require__(67);
+
+var BREAK = {};
+var RETURN = {};
+
+var _exports = module.exports = function (iterable, entries, fn, that, ITERATOR) {
+  var iterFn = ITERATOR ? function () {
+    return iterable;
+  } : getIterFn(iterable);
+  var f = ctx(fn, that, entries ? 2 : 1);
+  var index = 0;
+  var length, step, iterator, result;
+  if (typeof iterFn != 'function') throw TypeError(iterable + ' is not iterable!');
+  if (isArrayIter(iterFn)) for (length = toLength(iterable.length); length > index; index++) {
+    result = entries ? f(anObject(step = iterable[index])[0], step[1]) : f(iterable[index]);
+    if (result === BREAK || result === RETURN) return result;
+  } else for (iterator = iterFn.call(iterable); !(step = iterator.next()).done;) {
+    result = call(iterator, f, step.value, entries);
+    if (result === BREAK || result === RETURN) return result;
+  }
+};
+
+_exports.BREAK = BREAK;
+_exports.RETURN = RETURN;
+
+/***/ }),
+/* 90 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var anObject = __w_pdfjs_require__(12);
+
+var aFunction = __w_pdfjs_require__(27);
+
+var SPECIES = __w_pdfjs_require__(33)('species');
+
+module.exports = function (O, D) {
+  var C = anObject(O).constructor;
+  var S;
+  return C === undefined || (S = anObject(C)[SPECIES]) == undefined ? D : aFunction(S);
+};
+
+/***/ }),
+/* 91 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var ctx = __w_pdfjs_require__(26);
+
+var invoke = __w_pdfjs_require__(92);
+
+var html = __w_pdfjs_require__(59);
+
+var cel = __w_pdfjs_require__(17);
+
+var global = __w_pdfjs_require__(8);
+
+var process = global.process;
+var setTask = global.setImmediate;
+var clearTask = global.clearImmediate;
+var MessageChannel = global.MessageChannel;
+var Dispatch = global.Dispatch;
+var counter = 0;
+var queue = {};
+var ONREADYSTATECHANGE = 'onreadystatechange';
+var defer, channel, port;
+
+var run = function run() {
+  var id = +this;
+
+  if (queue.hasOwnProperty(id)) {
+    var fn = queue[id];
+    delete queue[id];
+    fn();
+  }
+};
+
+var listener = function listener(event) {
+  run.call(event.data);
+};
+
+if (!setTask || !clearTask) {
+  setTask = function setImmediate(fn) {
+    var args = [];
+    var i = 1;
+
+    while (arguments.length > i) {
+      args.push(arguments[i++]);
+    }
+
+    queue[++counter] = function () {
+      invoke(typeof fn == 'function' ? fn : Function(fn), args);
+    };
+
+    defer(counter);
+    return counter;
+  };
+
+  clearTask = function clearImmediate(id) {
+    delete queue[id];
+  };
+
+  if (__w_pdfjs_require__(32)(process) == 'process') {
+    defer = function defer(id) {
+      process.nextTick(ctx(run, id, 1));
+    };
+  } else if (Dispatch && Dispatch.now) {
+    defer = function defer(id) {
+      Dispatch.now(ctx(run, id, 1));
+    };
+  } else if (MessageChannel) {
+    channel = new MessageChannel();
+    port = channel.port2;
+    channel.port1.onmessage = listener;
+    defer = ctx(port.postMessage, port, 1);
+  } else if (global.addEventListener && typeof postMessage == 'function' && !global.importScripts) {
+    defer = function defer(id) {
+      global.postMessage(id + '', '*');
+    };
+
+    global.addEventListener('message', listener, false);
+  } else if (ONREADYSTATECHANGE in cel('script')) {
+    defer = function defer(id) {
+      html.appendChild(cel('script'))[ONREADYSTATECHANGE] = function () {
+        html.removeChild(this);
+        run.call(id);
+      };
+    };
+  } else {
+    defer = function defer(id) {
+      setTimeout(ctx(run, id, 1), 0);
+    };
+  }
+}
+
+module.exports = {
+  set: setTask,
+  clear: clearTask
+};
+
+/***/ }),
+/* 92 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = function (fn, args, that) {
+  var un = that === undefined;
+
+  switch (args.length) {
+    case 0:
+      return un ? fn() : fn.call(that);
+
+    case 1:
+      return un ? fn(args[0]) : fn.call(that, args[0]);
+
+    case 2:
+      return un ? fn(args[0], args[1]) : fn.call(that, args[0], args[1]);
+
+    case 3:
+      return un ? fn(args[0], args[1], args[2]) : fn.call(that, args[0], args[1], args[2]);
+
+    case 4:
+      return un ? fn(args[0], args[1], args[2], args[3]) : fn.call(that, args[0], args[1], args[2], args[3]);
+  }
+
+  return fn.apply(that, args);
+};
+
+/***/ }),
+/* 93 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var global = __w_pdfjs_require__(8);
+
+var macrotask = __w_pdfjs_require__(91).set;
+
+var Observer = global.MutationObserver || global.WebKitMutationObserver;
+var process = global.process;
+var Promise = global.Promise;
+var isNode = __w_pdfjs_require__(32)(process) == 'process';
+
+module.exports = function () {
+  var head, last, notify;
+
+  var flush = function flush() {
+    var parent, fn;
+    if (isNode && (parent = process.domain)) parent.exit();
+
+    while (head) {
+      fn = head.fn;
+      head = head.next;
+
+      try {
+        fn();
+      } catch (e) {
+        if (head) notify();else last = undefined;
+        throw e;
+      }
+    }
+
+    last = undefined;
+    if (parent) parent.enter();
+  };
+
+  if (isNode) {
+    notify = function notify() {
+      process.nextTick(flush);
+    };
+  } else if (Observer && !(global.navigator && global.navigator.standalone)) {
+    var toggle = true;
+    var node = document.createTextNode('');
+    new Observer(flush).observe(node, {
+      characterData: true
+    });
+
+    notify = function notify() {
+      node.data = toggle = !toggle;
+    };
+  } else if (Promise && Promise.resolve) {
+    var promise = Promise.resolve(undefined);
+
+    notify = function notify() {
+      promise.then(flush);
+    };
+  } else {
+    notify = function notify() {
+      macrotask.call(global, flush);
+    };
+  }
+
+  return function (fn) {
+    var task = {
+      fn: fn,
+      next: undefined
+    };
+    if (last) last.next = task;
+
+    if (!head) {
+      head = task;
+      notify();
+    }
+
+    last = task;
+  };
+};
+
+/***/ }),
+/* 94 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var aFunction = __w_pdfjs_require__(27);
+
+function PromiseCapability(C) {
+  var resolve, reject;
+  this.promise = new C(function ($$resolve, $$reject) {
+    if (resolve !== undefined || reject !== undefined) throw TypeError('Bad Promise constructor');
+    resolve = $$resolve;
+    reject = $$reject;
+  });
+  this.resolve = aFunction(resolve);
+  this.reject = aFunction(reject);
+}
+
+module.exports.f = function (C) {
+  return new PromiseCapability(C);
+};
+
+/***/ }),
+/* 95 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = function (exec) {
+  try {
+    return {
+      e: false,
+      v: exec()
+    };
+  } catch (e) {
+    return {
+      e: true,
+      v: e
+    };
+  }
+};
+
+/***/ }),
+/* 96 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var global = __w_pdfjs_require__(8);
+
+var navigator = global.navigator;
+module.exports = navigator && navigator.userAgent || '';
+
+/***/ }),
+/* 97 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var anObject = __w_pdfjs_require__(12);
+
+var isObject = __w_pdfjs_require__(13);
+
+var newPromiseCapability = __w_pdfjs_require__(94);
+
+module.exports = function (C, x) {
+  anObject(C);
+  if (isObject(x) && x.constructor === C) return x;
+  var promiseCapability = newPromiseCapability.f(C);
+  var resolve = promiseCapability.resolve;
+  resolve(x);
+  return promiseCapability.promise;
+};
+
+/***/ }),
+/* 98 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var redefine = __w_pdfjs_require__(20);
+
+module.exports = function (target, src, safe) {
+  for (var key in src) {
+    redefine(target, key, src[key], safe);
+  }
+
+  return target;
+};
+
+/***/ }),
+/* 99 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var global = __w_pdfjs_require__(8);
+
+var dP = __w_pdfjs_require__(11);
+
+var DESCRIPTORS = __w_pdfjs_require__(15);
+
+var SPECIES = __w_pdfjs_require__(33)('species');
+
+module.exports = function (KEY) {
+  var C = global[KEY];
+  if (DESCRIPTORS && C && !C[SPECIES]) dP.f(C, SPECIES, {
+    configurable: true,
+    get: function get() {
+      return this;
+    }
+  });
+};
+
+/***/ }),
+/* 100 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $export = __w_pdfjs_require__(7);
+
+var core = __w_pdfjs_require__(9);
+
+var global = __w_pdfjs_require__(8);
+
+var speciesConstructor = __w_pdfjs_require__(90);
+
+var promiseResolve = __w_pdfjs_require__(97);
+
+$export($export.P + $export.R, 'Promise', {
+  'finally': function _finally(onFinally) {
+    var C = speciesConstructor(this, core.Promise || global.Promise);
+    var isFunction = typeof onFinally == 'function';
+    return this.then(isFunction ? function (x) {
+      return promiseResolve(C, onFinally()).then(function () {
+        return x;
+      });
+    } : onFinally, isFunction ? function (e) {
+      return promiseResolve(C, onFinally()).then(function () {
+        throw e;
+      });
+    } : onFinally);
+  }
+});
+
+/***/ }),
+/* 101 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $export = __w_pdfjs_require__(7);
+
+var newPromiseCapability = __w_pdfjs_require__(94);
+
+var perform = __w_pdfjs_require__(95);
+
+$export($export.S, 'Promise', {
+  'try': function _try(callbackfn) {
+    var promiseCapability = newPromiseCapability.f(this);
+    var result = perform(callbackfn);
+    (result.e ? promiseCapability.reject : promiseCapability.resolve)(result.v);
+    return promiseCapability.promise;
+  }
+});
+
+/***/ }),
+/* 102 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(83);
+
+__w_pdfjs_require__(84);
+
+__w_pdfjs_require__(103);
+
+__w_pdfjs_require__(115);
+
+__w_pdfjs_require__(117);
+
+module.exports = __w_pdfjs_require__(9).WeakMap;
+
+/***/ }),
+/* 103 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var global = __w_pdfjs_require__(8);
+
+var each = __w_pdfjs_require__(104)(0);
+
+var redefine = __w_pdfjs_require__(20);
+
+var meta = __w_pdfjs_require__(108);
+
+var assign = __w_pdfjs_require__(72);
+
+var weak = __w_pdfjs_require__(109);
+
+var isObject = __w_pdfjs_require__(13);
+
+var validate = __w_pdfjs_require__(110);
+
+var NATIVE_WEAK_MAP = __w_pdfjs_require__(110);
+
+var IS_IE11 = !global.ActiveXObject && 'ActiveXObject' in global;
+var WEAK_MAP = 'WeakMap';
+var getWeak = meta.getWeak;
+var isExtensible = Object.isExtensible;
+var uncaughtFrozenStore = weak.ufstore;
+var InternalMap;
+
+var wrapper = function wrapper(get) {
+  return function WeakMap() {
+    return get(this, arguments.length > 0 ? arguments[0] : undefined);
+  };
+};
+
+var methods = {
+  get: function get(key) {
+    if (isObject(key)) {
+      var data = getWeak(key);
+      if (data === true) return uncaughtFrozenStore(validate(this, WEAK_MAP)).get(key);
+      return data ? data[this._i] : undefined;
+    }
+  },
+  set: function set(key, value) {
+    return weak.def(validate(this, WEAK_MAP), key, value);
+  }
+};
+
+var $WeakMap = module.exports = __w_pdfjs_require__(111)(WEAK_MAP, wrapper, methods, weak, true, true);
+
+if (NATIVE_WEAK_MAP && IS_IE11) {
+  InternalMap = weak.getConstructor(wrapper, WEAK_MAP);
+  assign(InternalMap.prototype, methods);
+  meta.NEED = true;
+  each(['delete', 'has', 'get', 'set'], function (key) {
+    var proto = $WeakMap.prototype;
+    var method = proto[key];
+    redefine(proto, key, function (a, b) {
+      if (isObject(a) && !isExtensible(a)) {
+        if (!this._f) this._f = new InternalMap();
+
+        var result = this._f[key](a, b);
+
+        return key == 'set' ? this : result;
+      }
+
+      return method.call(this, a, b);
+    });
+  });
+}
+
+/***/ }),
+/* 104 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var ctx = __w_pdfjs_require__(26);
+
+var IObject = __w_pdfjs_require__(44);
+
+var toObject = __w_pdfjs_require__(62);
+
+var toLength = __w_pdfjs_require__(28);
+
+var asc = __w_pdfjs_require__(105);
+
+module.exports = function (TYPE, $create) {
+  var IS_MAP = TYPE == 1;
+  var IS_FILTER = TYPE == 2;
+  var IS_SOME = TYPE == 3;
+  var IS_EVERY = TYPE == 4;
+  var IS_FIND_INDEX = TYPE == 6;
+  var NO_HOLES = TYPE == 5 || IS_FIND_INDEX;
+  var create = $create || asc;
+  return function ($this, callbackfn, that) {
+    var O = toObject($this);
+    var self = IObject(O);
+    var f = ctx(callbackfn, that, 3);
+    var length = toLength(self.length);
+    var index = 0;
+    var result = IS_MAP ? create($this, length) : IS_FILTER ? create($this, 0) : undefined;
+    var val, res;
+
+    for (; length > index; index++) {
+      if (NO_HOLES || index in self) {
+        val = self[index];
+        res = f(val, index, O);
+
+        if (TYPE) {
+          if (IS_MAP) result[index] = res;else if (res) switch (TYPE) {
+            case 3:
+              return true;
+
+            case 5:
+              return val;
+
+            case 6:
+              return index;
+
+            case 2:
+              result.push(val);
+          } else if (IS_EVERY) return false;
+        }
+      }
+    }
+
+    return IS_FIND_INDEX ? -1 : IS_SOME || IS_EVERY ? IS_EVERY : result;
+  };
+};
+
+/***/ }),
+/* 105 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var speciesConstructor = __w_pdfjs_require__(106);
+
+module.exports = function (original, length) {
+  return new (speciesConstructor(original))(length);
+};
+
+/***/ }),
+/* 106 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var isObject = __w_pdfjs_require__(13);
+
+var isArray = __w_pdfjs_require__(107);
+
+var SPECIES = __w_pdfjs_require__(33)('species');
+
+module.exports = function (original) {
+  var C;
+
+  if (isArray(original)) {
+    C = original.constructor;
+    if (typeof C == 'function' && (C === Array || isArray(C.prototype))) C = undefined;
+
+    if (isObject(C)) {
+      C = C[SPECIES];
+      if (C === null) C = undefined;
+    }
+  }
+
+  return C === undefined ? Array : C;
+};
+
+/***/ }),
+/* 107 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var cof = __w_pdfjs_require__(32);
+
+module.exports = Array.isArray || function isArray(arg) {
+  return cof(arg) == 'Array';
+};
+
+/***/ }),
+/* 108 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+var META = __w_pdfjs_require__(22)('meta');
+
+var isObject = __w_pdfjs_require__(13);
+
+var has = __w_pdfjs_require__(21);
+
+var setDesc = __w_pdfjs_require__(11).f;
+
+var id = 0;
+
+var isExtensible = Object.isExtensible || function () {
+  return true;
+};
+
+var FREEZE = !__w_pdfjs_require__(16)(function () {
+  return isExtensible(Object.preventExtensions({}));
+});
+
+var setMeta = function setMeta(it) {
+  setDesc(it, META, {
+    value: {
+      i: 'O' + ++id,
+      w: {}
+    }
+  });
+};
+
+var fastKey = function fastKey(it, create) {
+  if (!isObject(it)) return _typeof(it) == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;
+
+  if (!has(it, META)) {
+    if (!isExtensible(it)) return 'F';
+    if (!create) return 'E';
+    setMeta(it);
+  }
+
+  return it[META].i;
+};
+
+var getWeak = function getWeak(it, create) {
+  if (!has(it, META)) {
+    if (!isExtensible(it)) return true;
+    if (!create) return false;
+    setMeta(it);
+  }
+
+  return it[META].w;
+};
+
+var onFreeze = function onFreeze(it) {
+  if (FREEZE && meta.NEED && isExtensible(it) && !has(it, META)) setMeta(it);
+  return it;
+};
+
+var meta = module.exports = {
+  KEY: META,
+  NEED: false,
+  fastKey: fastKey,
+  getWeak: getWeak,
+  onFreeze: onFreeze
+};
+
+/***/ }),
+/* 109 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var redefineAll = __w_pdfjs_require__(98);
+
+var getWeak = __w_pdfjs_require__(108).getWeak;
+
+var anObject = __w_pdfjs_require__(12);
+
+var isObject = __w_pdfjs_require__(13);
+
+var anInstance = __w_pdfjs_require__(88);
+
+var forOf = __w_pdfjs_require__(89);
+
+var createArrayMethod = __w_pdfjs_require__(104);
+
+var $has = __w_pdfjs_require__(21);
+
+var validate = __w_pdfjs_require__(110);
+
+var arrayFind = createArrayMethod(5);
+var arrayFindIndex = createArrayMethod(6);
+var id = 0;
+
+var uncaughtFrozenStore = function uncaughtFrozenStore(that) {
+  return that._l || (that._l = new UncaughtFrozenStore());
+};
+
+var UncaughtFrozenStore = function UncaughtFrozenStore() {
+  this.a = [];
+};
+
+var findUncaughtFrozen = function findUncaughtFrozen(store, key) {
+  return arrayFind(store.a, function (it) {
+    return it[0] === key;
+  });
+};
+
+UncaughtFrozenStore.prototype = {
+  get: function get(key) {
+    var entry = findUncaughtFrozen(this, key);
+    if (entry) return entry[1];
+  },
+  has: function has(key) {
+    return !!findUncaughtFrozen(this, key);
+  },
+  set: function set(key, value) {
+    var entry = findUncaughtFrozen(this, key);
+    if (entry) entry[1] = value;else this.a.push([key, value]);
+  },
+  'delete': function _delete(key) {
+    var index = arrayFindIndex(this.a, function (it) {
+      return it[0] === key;
+    });
+    if (~index) this.a.splice(index, 1);
+    return !!~index;
+  }
+};
+module.exports = {
+  getConstructor: function getConstructor(wrapper, NAME, IS_MAP, ADDER) {
+    var C = wrapper(function (that, iterable) {
+      anInstance(that, C, NAME, '_i');
+      that._t = NAME;
+      that._i = id++;
+      that._l = undefined;
+      if (iterable != undefined) forOf(iterable, IS_MAP, that[ADDER], that);
+    });
+    redefineAll(C.prototype, {
+      'delete': function _delete(key) {
+        if (!isObject(key)) return false;
+        var data = getWeak(key);
+        if (data === true) return uncaughtFrozenStore(validate(this, NAME))['delete'](key);
+        return data && $has(data, this._i) && delete data[this._i];
+      },
+      has: function has(key) {
+        if (!isObject(key)) return false;
+        var data = getWeak(key);
+        if (data === true) return uncaughtFrozenStore(validate(this, NAME)).has(key);
+        return data && $has(data, this._i);
+      }
+    });
+    return C;
+  },
+  def: function def(that, key, value) {
+    var data = getWeak(anObject(key), true);
+    if (data === true) uncaughtFrozenStore(that).set(key, value);else data[that._i] = value;
+    return that;
+  },
+  ufstore: uncaughtFrozenStore
+};
+
+/***/ }),
+/* 110 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var isObject = __w_pdfjs_require__(13);
+
+module.exports = function (it, TYPE) {
+  if (!isObject(it) || it._t !== TYPE) throw TypeError('Incompatible receiver, ' + TYPE + ' required!');
+  return it;
+};
+
+/***/ }),
+/* 111 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var global = __w_pdfjs_require__(8);
+
+var $export = __w_pdfjs_require__(7);
+
+var redefine = __w_pdfjs_require__(20);
+
+var redefineAll = __w_pdfjs_require__(98);
+
+var meta = __w_pdfjs_require__(108);
+
+var forOf = __w_pdfjs_require__(89);
+
+var anInstance = __w_pdfjs_require__(88);
+
+var isObject = __w_pdfjs_require__(13);
+
+var fails = __w_pdfjs_require__(16);
+
+var $iterDetect = __w_pdfjs_require__(69);
+
+var setToStringTag = __w_pdfjs_require__(60);
+
+var inheritIfRequired = __w_pdfjs_require__(112);
+
+module.exports = function (NAME, wrapper, methods, common, IS_MAP, IS_WEAK) {
+  var Base = global[NAME];
+  var C = Base;
+  var ADDER = IS_MAP ? 'set' : 'add';
+  var proto = C && C.prototype;
+  var O = {};
+
+  var fixMethod = function fixMethod(KEY) {
+    var fn = proto[KEY];
+    redefine(proto, KEY, KEY == 'delete' ? function (a) {
+      return IS_WEAK && !isObject(a) ? false : fn.call(this, a === 0 ? 0 : a);
+    } : KEY == 'has' ? function has(a) {
+      return IS_WEAK && !isObject(a) ? false : fn.call(this, a === 0 ? 0 : a);
+    } : KEY == 'get' ? function get(a) {
+      return IS_WEAK && !isObject(a) ? undefined : fn.call(this, a === 0 ? 0 : a);
+    } : KEY == 'add' ? function add(a) {
+      fn.call(this, a === 0 ? 0 : a);
+      return this;
+    } : function set(a, b) {
+      fn.call(this, a === 0 ? 0 : a, b);
+      return this;
+    });
+  };
+
+  if (typeof C != 'function' || !(IS_WEAK || proto.forEach && !fails(function () {
+    new C().entries().next();
+  }))) {
+    C = common.getConstructor(wrapper, NAME, IS_MAP, ADDER);
+    redefineAll(C.prototype, methods);
+    meta.NEED = true;
+  } else {
+    var instance = new C();
+    var HASNT_CHAINING = instance[ADDER](IS_WEAK ? {} : -0, 1) != instance;
+    var THROWS_ON_PRIMITIVES = fails(function () {
+      instance.has(1);
+    });
+    var ACCEPT_ITERABLES = $iterDetect(function (iter) {
+      new C(iter);
+    });
+    var BUGGY_ZERO = !IS_WEAK && fails(function () {
+      var $instance = new C();
+      var index = 5;
+
+      while (index--) {
+        $instance[ADDER](index, index);
+      }
+
+      return !$instance.has(-0);
+    });
+
+    if (!ACCEPT_ITERABLES) {
+      C = wrapper(function (target, iterable) {
+        anInstance(target, C, NAME);
+        var that = inheritIfRequired(new Base(), target, C);
+        if (iterable != undefined) forOf(iterable, IS_MAP, that[ADDER], that);
+        return that;
+      });
+      C.prototype = proto;
+      proto.constructor = C;
+    }
+
+    if (THROWS_ON_PRIMITIVES || BUGGY_ZERO) {
+      fixMethod('delete');
+      fixMethod('has');
+      IS_MAP && fixMethod('get');
+    }
+
+    if (BUGGY_ZERO || HASNT_CHAINING) fixMethod(ADDER);
+    if (IS_WEAK && proto.clear) delete proto.clear;
+  }
+
+  setToStringTag(C, NAME);
+  O[NAME] = C;
+  $export($export.G + $export.W + $export.F * (C != Base), O);
+  if (!IS_WEAK) common.setStrong(C, NAME, IS_MAP);
+  return C;
+};
+
+/***/ }),
+/* 112 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var isObject = __w_pdfjs_require__(13);
+
+var setPrototypeOf = __w_pdfjs_require__(113).set;
+
+module.exports = function (that, target, C) {
+  var S = target.constructor;
+  var P;
+
+  if (S !== C && typeof S == 'function' && (P = S.prototype) !== C.prototype && isObject(P) && setPrototypeOf) {
+    setPrototypeOf(that, P);
+  }
+
+  return that;
+};
+
+/***/ }),
+/* 113 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var isObject = __w_pdfjs_require__(13);
+
+var anObject = __w_pdfjs_require__(12);
+
+var check = function check(O, proto) {
+  anObject(O);
+  if (!isObject(proto) && proto !== null) throw TypeError(proto + ": can't set as prototype!");
+};
+
+module.exports = {
+  set: Object.setPrototypeOf || ('__proto__' in {} ? function (test, buggy, set) {
+    try {
+      set = __w_pdfjs_require__(26)(Function.call, __w_pdfjs_require__(114).f(Object.prototype, '__proto__').set, 2);
+      set(test, []);
+      buggy = !(test instanceof Array);
+    } catch (e) {
+      buggy = true;
+    }
+
+    return function setPrototypeOf(O, proto) {
+      check(O, proto);
+      if (buggy) O.__proto__ = proto;else set(O, proto);
+      return O;
+    };
+  }({}, false) : undefined),
+  check: check
+};
+
+/***/ }),
+/* 114 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var pIE = __w_pdfjs_require__(74);
+
+var createDesc = __w_pdfjs_require__(19);
+
+var toIObject = __w_pdfjs_require__(43);
+
+var toPrimitive = __w_pdfjs_require__(18);
+
+var has = __w_pdfjs_require__(21);
+
+var IE8_DOM_DEFINE = __w_pdfjs_require__(14);
+
+var gOPD = Object.getOwnPropertyDescriptor;
+exports.f = __w_pdfjs_require__(15) ? gOPD : function getOwnPropertyDescriptor(O, P) {
+  O = toIObject(O);
+  P = toPrimitive(P, true);
+  if (IE8_DOM_DEFINE) try {
+    return gOPD(O, P);
+  } catch (e) {}
+  if (has(O, P)) return createDesc(!pIE.f.call(O, P), O[P]);
+};
+
+/***/ }),
+/* 115 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(116)('WeakMap');
+
+/***/ }),
+/* 116 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $export = __w_pdfjs_require__(7);
+
+module.exports = function (COLLECTION) {
+  $export($export.S, COLLECTION, {
+    of: function of() {
+      var length = arguments.length;
+      var A = new Array(length);
+
+      while (length--) {
+        A[length] = arguments[length];
+      }
+
+      return new this(A);
+    }
+  });
+};
+
+/***/ }),
+/* 117 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(118)('WeakMap');
+
+/***/ }),
+/* 118 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $export = __w_pdfjs_require__(7);
+
+var aFunction = __w_pdfjs_require__(27);
+
+var ctx = __w_pdfjs_require__(26);
+
+var forOf = __w_pdfjs_require__(89);
+
+module.exports = function (COLLECTION) {
+  $export($export.S, COLLECTION, {
+    from: function from(source) {
+      var mapFn = arguments[1];
+      var mapping, A, n, cb;
+      aFunction(this);
+      mapping = mapFn !== undefined;
+      if (mapping) aFunction(mapFn);
+      if (source == undefined) return new this();
+      A = [];
+
+      if (mapping) {
+        n = 0;
+        cb = ctx(mapFn, arguments[2], 2);
+        forOf(source, false, function (nextItem) {
+          A.push(cb(nextItem, n++));
+        });
+      } else {
+        forOf(source, false, A.push, A);
+      }
+
+      return new this(A);
+    }
+  });
+};
+
+/***/ }),
+/* 119 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(83);
+
+__w_pdfjs_require__(84);
+
+__w_pdfjs_require__(120);
+
+__w_pdfjs_require__(121);
+
+__w_pdfjs_require__(122);
+
+module.exports = __w_pdfjs_require__(9).WeakSet;
+
+/***/ }),
+/* 120 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var weak = __w_pdfjs_require__(109);
+
+var validate = __w_pdfjs_require__(110);
+
+var WEAK_SET = 'WeakSet';
+
+__w_pdfjs_require__(111)(WEAK_SET, function (get) {
+  return function WeakSet() {
+    return get(this, arguments.length > 0 ? arguments[0] : undefined);
+  };
+}, {
+  add: function add(value) {
+    return weak.def(validate(this, WEAK_SET), value, true);
+  }
+}, weak, false, true);
+
+/***/ }),
+/* 121 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(116)('WeakSet');
+
+/***/ }),
+/* 122 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(118)('WeakSet');
+
+/***/ }),
+/* 123 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(124);
+
+module.exports = __w_pdfjs_require__(9).String.codePointAt;
+
+/***/ }),
+/* 124 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $export = __w_pdfjs_require__(7);
+
+var $at = __w_pdfjs_require__(49)(false);
+
+$export($export.P, 'String', {
+  codePointAt: function codePointAt(pos) {
+    return $at(this, pos);
+  }
+});
+
+/***/ }),
+/* 125 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(126);
+
+module.exports = __w_pdfjs_require__(9).String.fromCodePoint;
+
+/***/ }),
+/* 126 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $export = __w_pdfjs_require__(7);
+
+var toAbsoluteIndex = __w_pdfjs_require__(45);
+
+var fromCharCode = String.fromCharCode;
+var $fromCodePoint = String.fromCodePoint;
+$export($export.S + $export.F * (!!$fromCodePoint && $fromCodePoint.length != 1), 'String', {
+  fromCodePoint: function fromCodePoint(x) {
+    var res = [];
+    var aLen = arguments.length;
+    var i = 0;
+    var code;
+
+    while (aLen > i) {
+      code = +arguments[i++];
+      if (toAbsoluteIndex(code, 0x10ffff) !== code) throw RangeError(code + ' is not a valid code point');
+      res.push(code < 0x10000 ? fromCharCode(code) : fromCharCode(((code -= 0x10000) >> 10) + 0xd800, code % 0x400 + 0xdc00));
+    }
+
+    return res.join('');
+  }
+});
+
+/***/ }),
+/* 127 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(128);
+
+__w_pdfjs_require__(83);
+
+module.exports = __w_pdfjs_require__(9).Symbol;
+
+/***/ }),
+/* 128 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+var global = __w_pdfjs_require__(8);
+
+var has = __w_pdfjs_require__(21);
+
+var DESCRIPTORS = __w_pdfjs_require__(15);
+
+var $export = __w_pdfjs_require__(7);
+
+var redefine = __w_pdfjs_require__(20);
+
+var META = __w_pdfjs_require__(108).KEY;
+
+var $fails = __w_pdfjs_require__(16);
+
+var shared = __w_pdfjs_require__(24);
+
+var setToStringTag = __w_pdfjs_require__(60);
+
+var uid = __w_pdfjs_require__(22);
+
+var wks = __w_pdfjs_require__(33);
+
+var wksExt = __w_pdfjs_require__(129);
+
+var wksDefine = __w_pdfjs_require__(130);
+
+var enumKeys = __w_pdfjs_require__(131);
+
+var isArray = __w_pdfjs_require__(107);
+
+var anObject = __w_pdfjs_require__(12);
+
+var isObject = __w_pdfjs_require__(13);
+
+var toObject = __w_pdfjs_require__(62);
+
+var toIObject = __w_pdfjs_require__(43);
+
+var toPrimitive = __w_pdfjs_require__(18);
+
+var createDesc = __w_pdfjs_require__(19);
+
+var _create = __w_pdfjs_require__(53);
+
+var gOPNExt = __w_pdfjs_require__(132);
+
+var $GOPD = __w_pdfjs_require__(114);
+
+var $GOPS = __w_pdfjs_require__(73);
+
+var $DP = __w_pdfjs_require__(11);
+
+var $keys = __w_pdfjs_require__(55);
+
+var gOPD = $GOPD.f;
+var dP = $DP.f;
+var gOPN = gOPNExt.f;
+var $Symbol = global.Symbol;
+var $JSON = global.JSON;
+
+var _stringify = $JSON && $JSON.stringify;
+
+var PROTOTYPE = 'prototype';
+var HIDDEN = wks('_hidden');
+var TO_PRIMITIVE = wks('toPrimitive');
+var isEnum = {}.propertyIsEnumerable;
+var SymbolRegistry = shared('symbol-registry');
+var AllSymbols = shared('symbols');
+var OPSymbols = shared('op-symbols');
+var ObjectProto = Object[PROTOTYPE];
+var USE_NATIVE = typeof $Symbol == 'function' && !!$GOPS.f;
+var QObject = global.QObject;
+var setter = !QObject || !QObject[PROTOTYPE] || !QObject[PROTOTYPE].findChild;
+var setSymbolDesc = DESCRIPTORS && $fails(function () {
+  return _create(dP({}, 'a', {
+    get: function get() {
+      return dP(this, 'a', {
+        value: 7
+      }).a;
+    }
+  })).a != 7;
+}) ? function (it, key, D) {
+  var protoDesc = gOPD(ObjectProto, key);
+  if (protoDesc) delete ObjectProto[key];
+  dP(it, key, D);
+  if (protoDesc && it !== ObjectProto) dP(ObjectProto, key, protoDesc);
+} : dP;
+
+var wrap = function wrap(tag) {
+  var sym = AllSymbols[tag] = _create($Symbol[PROTOTYPE]);
+
+  sym._k = tag;
+  return sym;
+};
+
+var isSymbol = USE_NATIVE && _typeof($Symbol.iterator) == 'symbol' ? function (it) {
+  return _typeof(it) == 'symbol';
+} : function (it) {
+  return it instanceof $Symbol;
+};
+
+var $defineProperty = function defineProperty(it, key, D) {
+  if (it === ObjectProto) $defineProperty(OPSymbols, key, D);
+  anObject(it);
+  key = toPrimitive(key, true);
+  anObject(D);
+
+  if (has(AllSymbols, key)) {
+    if (!D.enumerable) {
+      if (!has(it, HIDDEN)) dP(it, HIDDEN, createDesc(1, {}));
+      it[HIDDEN][key] = true;
+    } else {
+      if (has(it, HIDDEN) && it[HIDDEN][key]) it[HIDDEN][key] = false;
+      D = _create(D, {
+        enumerable: createDesc(0, false)
+      });
+    }
+
+    return setSymbolDesc(it, key, D);
+  }
+
+  return dP(it, key, D);
+};
+
+var $defineProperties = function defineProperties(it, P) {
+  anObject(it);
+  var keys = enumKeys(P = toIObject(P));
+  var i = 0;
+  var l = keys.length;
+  var key;
+
+  while (l > i) {
+    $defineProperty(it, key = keys[i++], P[key]);
+  }
+
+  return it;
+};
+
+var $create = function create(it, P) {
+  return P === undefined ? _create(it) : $defineProperties(_create(it), P);
+};
+
+var $propertyIsEnumerable = function propertyIsEnumerable(key) {
+  var E = isEnum.call(this, key = toPrimitive(key, true));
+  if (this === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key)) return false;
+  return E || !has(this, key) || !has(AllSymbols, key) || has(this, HIDDEN) && this[HIDDEN][key] ? E : true;
+};
+
+var $getOwnPropertyDescriptor = function getOwnPropertyDescriptor(it, key) {
+  it = toIObject(it);
+  key = toPrimitive(key, true);
+  if (it === ObjectProto && has(AllSymbols, key) && !has(OPSymbols, key)) return;
+  var D = gOPD(it, key);
+  if (D && has(AllSymbols, key) && !(has(it, HIDDEN) && it[HIDDEN][key])) D.enumerable = true;
+  return D;
+};
+
+var $getOwnPropertyNames = function getOwnPropertyNames(it) {
+  var names = gOPN(toIObject(it));
+  var result = [];
+  var i = 0;
+  var key;
+
+  while (names.length > i) {
+    if (!has(AllSymbols, key = names[i++]) && key != HIDDEN && key != META) result.push(key);
+  }
+
+  return result;
+};
+
+var $getOwnPropertySymbols = function getOwnPropertySymbols(it) {
+  var IS_OP = it === ObjectProto;
+  var names = gOPN(IS_OP ? OPSymbols : toIObject(it));
+  var result = [];
+  var i = 0;
+  var key;
+
+  while (names.length > i) {
+    if (has(AllSymbols, key = names[i++]) && (IS_OP ? has(ObjectProto, key) : true)) result.push(AllSymbols[key]);
+  }
+
+  return result;
+};
+
+if (!USE_NATIVE) {
+  $Symbol = function _Symbol() {
+    if (this instanceof $Symbol) throw TypeError('Symbol is not a constructor!');
+    var tag = uid(arguments.length > 0 ? arguments[0] : undefined);
+
+    var $set = function $set(value) {
+      if (this === ObjectProto) $set.call(OPSymbols, value);
+      if (has(this, HIDDEN) && has(this[HIDDEN], tag)) this[HIDDEN][tag] = false;
+      setSymbolDesc(this, tag, createDesc(1, value));
+    };
+
+    if (DESCRIPTORS && setter) setSymbolDesc(ObjectProto, tag, {
+      configurable: true,
+      set: $set
+    });
+    return wrap(tag);
+  };
+
+  redefine($Symbol[PROTOTYPE], 'toString', function toString() {
+    return this._k;
+  });
+  $GOPD.f = $getOwnPropertyDescriptor;
+  $DP.f = $defineProperty;
+  __w_pdfjs_require__(133).f = gOPNExt.f = $getOwnPropertyNames;
+  __w_pdfjs_require__(74).f = $propertyIsEnumerable;
+  $GOPS.f = $getOwnPropertySymbols;
+
+  if (DESCRIPTORS && !__w_pdfjs_require__(25)) {
+    redefine(ObjectProto, 'propertyIsEnumerable', $propertyIsEnumerable, true);
+  }
+
+  wksExt.f = function (name) {
+    return wrap(wks(name));
+  };
+}
+
+$export($export.G + $export.W + $export.F * !USE_NATIVE, {
+  Symbol: $Symbol
+});
+
+for (var es6Symbols = 'hasInstance,isConcatSpreadable,iterator,match,replace,search,species,split,toPrimitive,toStringTag,unscopables'.split(','), j = 0; es6Symbols.length > j;) {
+  wks(es6Symbols[j++]);
+}
+
+for (var wellKnownSymbols = $keys(wks.store), k = 0; wellKnownSymbols.length > k;) {
+  wksDefine(wellKnownSymbols[k++]);
+}
+
+$export($export.S + $export.F * !USE_NATIVE, 'Symbol', {
+  'for': function _for(key) {
+    return has(SymbolRegistry, key += '') ? SymbolRegistry[key] : SymbolRegistry[key] = $Symbol(key);
+  },
+  keyFor: function keyFor(sym) {
+    if (!isSymbol(sym)) throw TypeError(sym + ' is not a symbol!');
+
+    for (var key in SymbolRegistry) {
+      if (SymbolRegistry[key] === sym) return key;
+    }
+  },
+  useSetter: function useSetter() {
+    setter = true;
+  },
+  useSimple: function useSimple() {
+    setter = false;
+  }
+});
+$export($export.S + $export.F * !USE_NATIVE, 'Object', {
+  create: $create,
+  defineProperty: $defineProperty,
+  defineProperties: $defineProperties,
+  getOwnPropertyDescriptor: $getOwnPropertyDescriptor,
+  getOwnPropertyNames: $getOwnPropertyNames,
+  getOwnPropertySymbols: $getOwnPropertySymbols
+});
+var FAILS_ON_PRIMITIVES = $fails(function () {
+  $GOPS.f(1);
+});
+$export($export.S + $export.F * FAILS_ON_PRIMITIVES, 'Object', {
+  getOwnPropertySymbols: function getOwnPropertySymbols(it) {
+    return $GOPS.f(toObject(it));
+  }
+});
+$JSON && $export($export.S + $export.F * (!USE_NATIVE || $fails(function () {
+  var S = $Symbol();
+  return _stringify([S]) != '[null]' || _stringify({
+    a: S
+  }) != '{}' || _stringify(Object(S)) != '{}';
+})), 'JSON', {
+  stringify: function stringify(it) {
+    var args = [it];
+    var i = 1;
+    var replacer, $replacer;
+
+    while (arguments.length > i) {
+      args.push(arguments[i++]);
+    }
+
+    $replacer = replacer = args[1];
+    if (!isObject(replacer) && it === undefined || isSymbol(it)) return;
+    if (!isArray(replacer)) replacer = function replacer(key, value) {
+      if (typeof $replacer == 'function') value = $replacer.call(this, key, value);
+      if (!isSymbol(value)) return value;
+    };
+    args[1] = replacer;
+    return _stringify.apply($JSON, args);
+  }
+});
+$Symbol[PROTOTYPE][TO_PRIMITIVE] || __w_pdfjs_require__(10)($Symbol[PROTOTYPE], TO_PRIMITIVE, $Symbol[PROTOTYPE].valueOf);
+setToStringTag($Symbol, 'Symbol');
+setToStringTag(Math, 'Math', true);
+setToStringTag(global.JSON, 'JSON', true);
+
+/***/ }),
+/* 129 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+exports.f = __w_pdfjs_require__(33);
+
+/***/ }),
+/* 130 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var global = __w_pdfjs_require__(8);
+
+var core = __w_pdfjs_require__(9);
+
+var LIBRARY = __w_pdfjs_require__(25);
+
+var wksExt = __w_pdfjs_require__(129);
+
+var defineProperty = __w_pdfjs_require__(11).f;
+
+module.exports = function (name) {
+  var $Symbol = core.Symbol || (core.Symbol = LIBRARY ? {} : global.Symbol || {});
+  if (name.charAt(0) != '_' && !(name in $Symbol)) defineProperty($Symbol, name, {
+    value: wksExt.f(name)
+  });
+};
+
+/***/ }),
+/* 131 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var getKeys = __w_pdfjs_require__(55);
+
+var gOPS = __w_pdfjs_require__(73);
+
+var pIE = __w_pdfjs_require__(74);
+
+module.exports = function (it) {
+  var result = getKeys(it);
+  var getSymbols = gOPS.f;
+
+  if (getSymbols) {
+    var symbols = getSymbols(it);
+    var isEnum = pIE.f;
+    var i = 0;
+    var key;
+
+    while (symbols.length > i) {
+      if (isEnum.call(it, key = symbols[i++])) result.push(key);
+    }
+  }
+
+  return result;
+};
+
+/***/ }),
+/* 132 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+var toIObject = __w_pdfjs_require__(43);
+
+var gOPN = __w_pdfjs_require__(133).f;
+
+var toString = {}.toString;
+var windowNames = (typeof window === "undefined" ? "undefined" : _typeof(window)) == 'object' && window && Object.getOwnPropertyNames ? Object.getOwnPropertyNames(window) : [];
+
+var getWindowNames = function getWindowNames(it) {
+  try {
+    return gOPN(it);
+  } catch (e) {
+    return windowNames.slice();
+  }
+};
+
+module.exports.f = function getOwnPropertyNames(it) {
+  return windowNames && toString.call(it) == '[object Window]' ? getWindowNames(it) : gOPN(toIObject(it));
+};
+
+/***/ }),
+/* 133 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $keys = __w_pdfjs_require__(56);
+
+var hiddenKeys = __w_pdfjs_require__(58).concat('length', 'prototype');
+
+exports.f = Object.getOwnPropertyNames || function getOwnPropertyNames(O) {
+  return $keys(O, hiddenKeys);
+};
+
+/***/ }),
+/* 134 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(135);
+
+module.exports = __w_pdfjs_require__(9).String.padStart;
+
+/***/ }),
+/* 135 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $export = __w_pdfjs_require__(7);
+
+var $pad = __w_pdfjs_require__(136);
+
+var userAgent = __w_pdfjs_require__(96);
+
+var WEBKIT_BUG = /Version\/10\.\d+(\.\d+)?( Mobile\/\w+)? Safari\//.test(userAgent);
+$export($export.P + $export.F * WEBKIT_BUG, 'String', {
+  padStart: function padStart(maxLength) {
+    return $pad(this, maxLength, arguments.length > 1 ? arguments[1] : undefined, true);
+  }
+});
+
+/***/ }),
+/* 136 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var toLength = __w_pdfjs_require__(28);
+
+var repeat = __w_pdfjs_require__(137);
+
+var defined = __w_pdfjs_require__(34);
+
+module.exports = function (that, maxLength, fillString, left) {
+  var S = String(defined(that));
+  var stringLength = S.length;
+  var fillStr = fillString === undefined ? ' ' : String(fillString);
+  var intMaxLength = toLength(maxLength);
+  if (intMaxLength <= stringLength || fillStr == '') return S;
+  var fillLen = intMaxLength - stringLength;
+  var stringFiller = repeat.call(fillStr, Math.ceil(fillLen / fillStr.length));
+  if (stringFiller.length > fillLen) stringFiller = stringFiller.slice(0, fillLen);
+  return left ? stringFiller + S : S + stringFiller;
+};
+
+/***/ }),
+/* 137 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var toInteger = __w_pdfjs_require__(29);
+
+var defined = __w_pdfjs_require__(34);
+
+module.exports = function repeat(count) {
+  var str = String(defined(this));
+  var res = '';
+  var n = toInteger(count);
+  if (n < 0 || n == Infinity) throw RangeError("Count can't be negative");
+
+  for (; n > 0; (n >>>= 1) && (str += str)) {
+    if (n & 1) res += str;
+  }
+
+  return res;
+};
+
+/***/ }),
+/* 138 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(139);
+
+module.exports = __w_pdfjs_require__(9).String.padEnd;
+
+/***/ }),
+/* 139 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $export = __w_pdfjs_require__(7);
+
+var $pad = __w_pdfjs_require__(136);
+
+var userAgent = __w_pdfjs_require__(96);
+
+var WEBKIT_BUG = /Version\/10\.\d+(\.\d+)?( Mobile\/\w+)? Safari\//.test(userAgent);
+$export($export.P + $export.F * WEBKIT_BUG, 'String', {
+  padEnd: function padEnd(maxLength) {
+    return $pad(this, maxLength, arguments.length > 1 ? arguments[1] : undefined, false);
+  }
+});
+
+/***/ }),
+/* 140 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+__w_pdfjs_require__(141);
+
+module.exports = __w_pdfjs_require__(9).Object.values;
+
+/***/ }),
+/* 141 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var $export = __w_pdfjs_require__(7);
+
+var $values = __w_pdfjs_require__(142)(false);
+
+$export($export.S, 'Object', {
+  values: function values(it) {
+    return $values(it);
+  }
+});
+
+/***/ }),
+/* 142 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var DESCRIPTORS = __w_pdfjs_require__(15);
+
+var getKeys = __w_pdfjs_require__(55);
+
+var toIObject = __w_pdfjs_require__(43);
+
+var isEnum = __w_pdfjs_require__(74).f;
+
+module.exports = function (isEntries) {
+  return function (it) {
+    var O = toIObject(it);
+    var keys = getKeys(O);
+    var length = keys.length;
+    var i = 0;
+    var result = [];
+    var key;
+
+    while (length > i) {
+      key = keys[i++];
+
+      if (!DESCRIPTORS || isEnum.call(O, key)) {
+        result.push(isEntries ? [key, O[key]] : O[key]);
+      }
+    }
+
+    return result;
+  };
+};
+
+/***/ }),
+/* 143 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+{
+  var isReadableStreamSupported = false;
+
+  if (typeof ReadableStream !== 'undefined') {
+    try {
+      new ReadableStream({
+        start: function start(controller) {
+          controller.close();
+        }
+      });
+      isReadableStreamSupported = true;
+    } catch (e) {}
+  }
+
+  if (isReadableStreamSupported) {
+    exports.ReadableStream = ReadableStream;
+  } else {
+    exports.ReadableStream = __w_pdfjs_require__(144).ReadableStream;
+  }
+}
+
+/***/ }),
+/* 144 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+function _typeof2(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof2 = function _typeof2(obj) { return typeof obj; }; } else { _typeof2 = function _typeof2(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof2(obj); }
+
+(function (e, a) {
+  for (var i in a) {
+    e[i] = a[i];
+  }
+})(exports, function (modules) {
+  var installedModules = {};
+
+  function __w_pdfjs_require__(moduleId) {
+    if (installedModules[moduleId]) return installedModules[moduleId].exports;
+    var module = installedModules[moduleId] = {
+      i: moduleId,
+      l: false,
+      exports: {}
+    };
+    modules[moduleId].call(module.exports, module, module.exports, __w_pdfjs_require__);
+    module.l = true;
+    return module.exports;
+  }
+
+  __w_pdfjs_require__.m = modules;
+  __w_pdfjs_require__.c = installedModules;
+
+  __w_pdfjs_require__.i = function (value) {
+    return value;
+  };
+
+  __w_pdfjs_require__.d = function (exports, name, getter) {
+    if (!__w_pdfjs_require__.o(exports, name)) {
+      Object.defineProperty(exports, name, {
+        configurable: false,
+        enumerable: true,
+        get: getter
+      });
+    }
+  };
+
+  __w_pdfjs_require__.n = function (module) {
+    var getter = module && module.__esModule ? function getDefault() {
+      return module['default'];
+    } : function getModuleExports() {
+      return module;
+    };
+
+    __w_pdfjs_require__.d(getter, 'a', getter);
+
+    return getter;
+  };
+
+  __w_pdfjs_require__.o = function (object, property) {
+    return Object.prototype.hasOwnProperty.call(object, property);
+  };
+
+  __w_pdfjs_require__.p = "";
+  return __w_pdfjs_require__(__w_pdfjs_require__.s = 7);
+}([function (module, exports, __w_pdfjs_require__) {
+  "use strict";
+
+  var _typeof = typeof Symbol === "function" && _typeof2(Symbol.iterator) === "symbol" ? function (obj) {
+    return _typeof2(obj);
+  } : function (obj) {
+    return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : _typeof2(obj);
+  };
+
+  var _require = __w_pdfjs_require__(1),
+      assert = _require.assert;
+
+  function IsPropertyKey(argument) {
+    return typeof argument === 'string' || (typeof argument === 'undefined' ? 'undefined' : _typeof(argument)) === 'symbol';
+  }
+
+  exports.typeIsObject = function (x) {
+    return (typeof x === 'undefined' ? 'undefined' : _typeof(x)) === 'object' && x !== null || typeof x === 'function';
+  };
+
+  exports.createDataProperty = function (o, p, v) {
+    assert(exports.typeIsObject(o));
+    Object.defineProperty(o, p, {
+      value: v,
+      writable: true,
+      enumerable: true,
+      configurable: true
+    });
+  };
+
+  exports.createArrayFromList = function (elements) {
+    return elements.slice();
+  };
+
+  exports.ArrayBufferCopy = function (dest, destOffset, src, srcOffset, n) {
+    new Uint8Array(dest).set(new Uint8Array(src, srcOffset, n), destOffset);
+  };
+
+  exports.CreateIterResultObject = function (value, done) {
+    assert(typeof done === 'boolean');
+    var obj = {};
+    Object.defineProperty(obj, 'value', {
+      value: value,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+    Object.defineProperty(obj, 'done', {
+      value: done,
+      enumerable: true,
+      writable: true,
+      configurable: true
+    });
+    return obj;
+  };
+
+  exports.IsFiniteNonNegativeNumber = function (v) {
+    if (Number.isNaN(v)) {
+      return false;
+    }
+
+    if (v === Infinity) {
+      return false;
+    }
+
+    if (v < 0) {
+      return false;
+    }
+
+    return true;
+  };
+
+  function Call(F, V, args) {
+    if (typeof F !== 'function') {
+      throw new TypeError('Argument is not a function');
+    }
+
+    return Function.prototype.apply.call(F, V, args);
+  }
+
+  exports.InvokeOrNoop = function (O, P, args) {
+    assert(O !== undefined);
+    assert(IsPropertyKey(P));
+    assert(Array.isArray(args));
+    var method = O[P];
+
+    if (method === undefined) {
+      return undefined;
+    }
+
+    return Call(method, O, args);
+  };
+
+  exports.PromiseInvokeOrNoop = function (O, P, args) {
+    assert(O !== undefined);
+    assert(IsPropertyKey(P));
+    assert(Array.isArray(args));
+
+    try {
+      return Promise.resolve(exports.InvokeOrNoop(O, P, args));
+    } catch (returnValueE) {
+      return Promise.reject(returnValueE);
+    }
+  };
+
+  exports.PromiseInvokeOrPerformFallback = function (O, P, args, F, argsF) {
+    assert(O !== undefined);
+    assert(IsPropertyKey(P));
+    assert(Array.isArray(args));
+    assert(Array.isArray(argsF));
+    var method = void 0;
+
+    try {
+      method = O[P];
+    } catch (methodE) {
+      return Promise.reject(methodE);
+    }
+
+    if (method === undefined) {
+      return F.apply(null, argsF);
+    }
+
+    try {
+      return Promise.resolve(Call(method, O, args));
+    } catch (e) {
+      return Promise.reject(e);
+    }
+  };
+
+  exports.TransferArrayBuffer = function (O) {
+    return O.slice();
+  };
+
+  exports.ValidateAndNormalizeHighWaterMark = function (highWaterMark) {
+    highWaterMark = Number(highWaterMark);
+
+    if (Number.isNaN(highWaterMark) || highWaterMark < 0) {
+      throw new RangeError('highWaterMark property of a queuing strategy must be non-negative and non-NaN');
+    }
+
+    return highWaterMark;
+  };
+
+  exports.ValidateAndNormalizeQueuingStrategy = function (size, highWaterMark) {
+    if (size !== undefined && typeof size !== 'function') {
+      throw new TypeError('size property of a queuing strategy must be a function');
+    }
+
+    highWaterMark = exports.ValidateAndNormalizeHighWaterMark(highWaterMark);
+    return {
+      size: size,
+      highWaterMark: highWaterMark
+    };
+  };
+}, function (module, exports, __w_pdfjs_require__) {
+  "use strict";
+
+  function rethrowAssertionErrorRejection(e) {
+    if (e && e.constructor === AssertionError) {
+      setTimeout(function () {
+        throw e;
+      }, 0);
+    }
+  }
+
+  function AssertionError(message) {
+    this.name = 'AssertionError';
+    this.message = message || '';
+    this.stack = new Error().stack;
+  }
+
+  AssertionError.prototype = Object.create(Error.prototype);
+  AssertionError.prototype.constructor = AssertionError;
+
+  function assert(value, message) {
+    if (!value) {
+      throw new AssertionError(message);
+    }
+  }
+
+  module.exports = {
+    rethrowAssertionErrorRejection: rethrowAssertionErrorRejection,
+    AssertionError: AssertionError,
+    assert: assert
+  };
+}, function (module, exports, __w_pdfjs_require__) {
+  "use strict";
+
+  var _createClass = function () {
+    function defineProperties(target, props) {
+      for (var i = 0; i < props.length; i++) {
+        var descriptor = props[i];
+        descriptor.enumerable = descriptor.enumerable || false;
+        descriptor.configurable = true;
+        if ("value" in descriptor) descriptor.writable = true;
+        Object.defineProperty(target, descriptor.key, descriptor);
+      }
+    }
+
+    return function (Constructor, protoProps, staticProps) {
+      if (protoProps) defineProperties(Constructor.prototype, protoProps);
+      if (staticProps) defineProperties(Constructor, staticProps);
+      return Constructor;
+    };
+  }();
+
+  function _classCallCheck(instance, Constructor) {
+    if (!(instance instanceof Constructor)) {
+      throw new TypeError("Cannot call a class as a function");
+    }
+  }
+
+  var _require = __w_pdfjs_require__(0),
+      InvokeOrNoop = _require.InvokeOrNoop,
+      PromiseInvokeOrNoop = _require.PromiseInvokeOrNoop,
+      ValidateAndNormalizeQueuingStrategy = _require.ValidateAndNormalizeQueuingStrategy,
+      typeIsObject = _require.typeIsObject;
+
+  var _require2 = __w_pdfjs_require__(1),
+      assert = _require2.assert,
+      rethrowAssertionErrorRejection = _require2.rethrowAssertionErrorRejection;
+
+  var _require3 = __w_pdfjs_require__(3),
+      DequeueValue = _require3.DequeueValue,
+      EnqueueValueWithSize = _require3.EnqueueValueWithSize,
+      PeekQueueValue = _require3.PeekQueueValue,
+      ResetQueue = _require3.ResetQueue;
+
+  var WritableStream = function () {
+    function WritableStream() {
+      var underlyingSink = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+      var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
+          size = _ref.size,
+          _ref$highWaterMark = _ref.highWaterMark,
+          highWaterMark = _ref$highWaterMark === undefined ? 1 : _ref$highWaterMark;
+
+      _classCallCheck(this, WritableStream);
+
+      this._state = 'writable';
+      this._storedError = undefined;
+      this._writer = undefined;
+      this._writableStreamController = undefined;
+      this._writeRequests = [];
+      this._inFlightWriteRequest = undefined;
+      this._closeRequest = undefined;
+      this._inFlightCloseRequest = undefined;
+      this._pendingAbortRequest = undefined;
+      this._backpressure = false;
+      var type = underlyingSink.type;
+
+      if (type !== undefined) {
+        throw new RangeError('Invalid type is specified');
+      }
+
+      this._writableStreamController = new WritableStreamDefaultController(this, underlyingSink, size, highWaterMark);
+
+      this._writableStreamController.__startSteps();
+    }
+
+    _createClass(WritableStream, [{
+      key: 'abort',
+      value: function abort(reason) {
+        if (IsWritableStream(this) === false) {
+          return Promise.reject(streamBrandCheckException('abort'));
+        }
+
+        if (IsWritableStreamLocked(this) === true) {
+          return Promise.reject(new TypeError('Cannot abort a stream that already has a writer'));
+        }
+
+        return WritableStreamAbort(this, reason);
+      }
+    }, {
+      key: 'getWriter',
+      value: function getWriter() {
+        if (IsWritableStream(this) === false) {
+          throw streamBrandCheckException('getWriter');
+        }
+
+        return AcquireWritableStreamDefaultWriter(this);
+      }
+    }, {
+      key: 'locked',
+      get: function get() {
+        if (IsWritableStream(this) === false) {
+          throw streamBrandCheckException('locked');
+        }
+
+        return IsWritableStreamLocked(this);
+      }
+    }]);
+
+    return WritableStream;
+  }();
+
+  module.exports = {
+    AcquireWritableStreamDefaultWriter: AcquireWritableStreamDefaultWriter,
+    IsWritableStream: IsWritableStream,
+    IsWritableStreamLocked: IsWritableStreamLocked,
+    WritableStream: WritableStream,
+    WritableStreamAbort: WritableStreamAbort,
+    WritableStreamDefaultControllerError: WritableStreamDefaultControllerError,
+    WritableStreamDefaultWriterCloseWithErrorPropagation: WritableStreamDefaultWriterCloseWithErrorPropagation,
+    WritableStreamDefaultWriterRelease: WritableStreamDefaultWriterRelease,
+    WritableStreamDefaultWriterWrite: WritableStreamDefaultWriterWrite,
+    WritableStreamCloseQueuedOrInFlight: WritableStreamCloseQueuedOrInFlight
+  };
+
+  function AcquireWritableStreamDefaultWriter(stream) {
+    return new WritableStreamDefaultWriter(stream);
+  }
+
+  function IsWritableStream(x) {
+    if (!typeIsObject(x)) {
+      return false;
+    }
+
+    if (!Object.prototype.hasOwnProperty.call(x, '_writableStreamController')) {
+      return false;
+    }
+
+    return true;
+  }
+
+  function IsWritableStreamLocked(stream) {
+    assert(IsWritableStream(stream) === true, 'IsWritableStreamLocked should only be used on known writable streams');
+
+    if (stream._writer === undefined) {
+      return false;
+    }
+
+    return true;
+  }
+
+  function WritableStreamAbort(stream, reason) {
+    var state = stream._state;
+
+    if (state === 'closed') {
+      return Promise.resolve(undefined);
+    }
+
+    if (state === 'errored') {
+      return Promise.reject(stream._storedError);
+    }
+
+    var error = new TypeError('Requested to abort');
+
+    if (stream._pendingAbortRequest !== undefined) {
+      return Promise.reject(error);
+    }
+
+    assert(state === 'writable' || state === 'erroring', 'state must be writable or erroring');
+    var wasAlreadyErroring = false;
+
+    if (state === 'erroring') {
+      wasAlreadyErroring = true;
+      reason = undefined;
+    }
+
+    var promise = new Promise(function (resolve, reject) {
+      stream._pendingAbortRequest = {
+        _resolve: resolve,
+        _reject: reject,
+        _reason: reason,
+        _wasAlreadyErroring: wasAlreadyErroring
+      };
+    });
+
+    if (wasAlreadyErroring === false) {
+      WritableStreamStartErroring(stream, error);
+    }
+
+    return promise;
+  }
+
+  function WritableStreamAddWriteRequest(stream) {
+    assert(IsWritableStreamLocked(stream) === true);
+    assert(stream._state === 'writable');
+    var promise = new Promise(function (resolve, reject) {
+      var writeRequest = {
+        _resolve: resolve,
+        _reject: reject
+      };
+
+      stream._writeRequests.push(writeRequest);
+    });
+    return promise;
+  }
+
+  function WritableStreamDealWithRejection(stream, error) {
+    var state = stream._state;
+
+    if (state === 'writable') {
+      WritableStreamStartErroring(stream, error);
+      return;
+    }
+
+    assert(state === 'erroring');
+    WritableStreamFinishErroring(stream);
+  }
+
+  function WritableStreamStartErroring(stream, reason) {
+    assert(stream._storedError === undefined, 'stream._storedError === undefined');
+    assert(stream._state === 'writable', 'state must be writable');
+    var controller = stream._writableStreamController;
+    assert(controller !== undefined, 'controller must not be undefined');
+    stream._state = 'erroring';
+    stream._storedError = reason;
+    var writer = stream._writer;
+
+    if (writer !== undefined) {
+      WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, reason);
+    }
+
+    if (WritableStreamHasOperationMarkedInFlight(stream) === false && controller._started === true) {
+      WritableStreamFinishErroring(stream);
+    }
+  }
+
+  function WritableStreamFinishErroring(stream) {
+    assert(stream._state === 'erroring', 'stream._state === erroring');
+    assert(WritableStreamHasOperationMarkedInFlight(stream) === false, 'WritableStreamHasOperationMarkedInFlight(stream) === false');
+    stream._state = 'errored';
+
+    stream._writableStreamController.__errorSteps();
+
+    var storedError = stream._storedError;
+
+    for (var i = 0; i < stream._writeRequests.length; i++) {
+      var writeRequest = stream._writeRequests[i];
+
+      writeRequest._reject(storedError);
+    }
+
+    stream._writeRequests = [];
+
+    if (stream._pendingAbortRequest === undefined) {
+      WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
+      return;
+    }
+
+    var abortRequest = stream._pendingAbortRequest;
+    stream._pendingAbortRequest = undefined;
+
+    if (abortRequest._wasAlreadyErroring === true) {
+      abortRequest._reject(storedError);
+
+      WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
+      return;
+    }
+
+    var promise = stream._writableStreamController.__abortSteps(abortRequest._reason);
+
+    promise.then(function () {
+      abortRequest._resolve();
+
+      WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
+    }, function (reason) {
+      abortRequest._reject(reason);
+
+      WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream);
+    });
+  }
+
+  function WritableStreamFinishInFlightWrite(stream) {
+    assert(stream._inFlightWriteRequest !== undefined);
+
+    stream._inFlightWriteRequest._resolve(undefined);
+
+    stream._inFlightWriteRequest = undefined;
+  }
+
+  function WritableStreamFinishInFlightWriteWithError(stream, error) {
+    assert(stream._inFlightWriteRequest !== undefined);
+
+    stream._inFlightWriteRequest._reject(error);
+
+    stream._inFlightWriteRequest = undefined;
+    assert(stream._state === 'writable' || stream._state === 'erroring');
+    WritableStreamDealWithRejection(stream, error);
+  }
+
+  function WritableStreamFinishInFlightClose(stream) {
+    assert(stream._inFlightCloseRequest !== undefined);
+
+    stream._inFlightCloseRequest._resolve(undefined);
+
+    stream._inFlightCloseRequest = undefined;
+    var state = stream._state;
+    assert(state === 'writable' || state === 'erroring');
+
+    if (state === 'erroring') {
+      stream._storedError = undefined;
+
+      if (stream._pendingAbortRequest !== undefined) {
+        stream._pendingAbortRequest._resolve();
+
+        stream._pendingAbortRequest = undefined;
+      }
+    }
+
+    stream._state = 'closed';
+    var writer = stream._writer;
+
+    if (writer !== undefined) {
+      defaultWriterClosedPromiseResolve(writer);
+    }
+
+    assert(stream._pendingAbortRequest === undefined, 'stream._pendingAbortRequest === undefined');
+    assert(stream._storedError === undefined, 'stream._storedError === undefined');
+  }
+
+  function WritableStreamFinishInFlightCloseWithError(stream, error) {
+    assert(stream._inFlightCloseRequest !== undefined);
+
+    stream._inFlightCloseRequest._reject(error);
+
+    stream._inFlightCloseRequest = undefined;
+    assert(stream._state === 'writable' || stream._state === 'erroring');
+
+    if (stream._pendingAbortRequest !== undefined) {
+      stream._pendingAbortRequest._reject(error);
+
+      stream._pendingAbortRequest = undefined;
+    }
+
+    WritableStreamDealWithRejection(stream, error);
+  }
+
+  function WritableStreamCloseQueuedOrInFlight(stream) {
+    if (stream._closeRequest === undefined && stream._inFlightCloseRequest === undefined) {
+      return false;
+    }
+
+    return true;
+  }
+
+  function WritableStreamHasOperationMarkedInFlight(stream) {
+    if (stream._inFlightWriteRequest === undefined && stream._inFlightCloseRequest === undefined) {
+      return false;
+    }
+
+    return true;
+  }
+
+  function WritableStreamMarkCloseRequestInFlight(stream) {
+    assert(stream._inFlightCloseRequest === undefined);
+    assert(stream._closeRequest !== undefined);
+    stream._inFlightCloseRequest = stream._closeRequest;
+    stream._closeRequest = undefined;
+  }
+
+  function WritableStreamMarkFirstWriteRequestInFlight(stream) {
+    assert(stream._inFlightWriteRequest === undefined, 'there must be no pending write request');
+    assert(stream._writeRequests.length !== 0, 'writeRequests must not be empty');
+    stream._inFlightWriteRequest = stream._writeRequests.shift();
+  }
+
+  function WritableStreamRejectCloseAndClosedPromiseIfNeeded(stream) {
+    assert(stream._state === 'errored', '_stream_.[[state]] is `"errored"`');
+
+    if (stream._closeRequest !== undefined) {
+      assert(stream._inFlightCloseRequest === undefined);
+
+      stream._closeRequest._reject(stream._storedError);
+
+      stream._closeRequest = undefined;
+    }
+
+    var writer = stream._writer;
+
+    if (writer !== undefined) {
+      defaultWriterClosedPromiseReject(writer, stream._storedError);
+
+      writer._closedPromise["catch"](function () {});
+    }
+  }
+
+  function WritableStreamUpdateBackpressure(stream, backpressure) {
+    assert(stream._state === 'writable');
+    assert(WritableStreamCloseQueuedOrInFlight(stream) === false);
+    var writer = stream._writer;
+
+    if (writer !== undefined && backpressure !== stream._backpressure) {
+      if (backpressure === true) {
+        defaultWriterReadyPromiseReset(writer);
+      } else {
+        assert(backpressure === false);
+        defaultWriterReadyPromiseResolve(writer);
+      }
+    }
+
+    stream._backpressure = backpressure;
+  }
+
+  var WritableStreamDefaultWriter = function () {
+    function WritableStreamDefaultWriter(stream) {
+      _classCallCheck(this, WritableStreamDefaultWriter);
+
+      if (IsWritableStream(stream) === false) {
+        throw new TypeError('WritableStreamDefaultWriter can only be constructed with a WritableStream instance');
+      }
+
+      if (IsWritableStreamLocked(stream) === true) {
+        throw new TypeError('This stream has already been locked for exclusive writing by another writer');
+      }
+
+      this._ownerWritableStream = stream;
+      stream._writer = this;
+      var state = stream._state;
+
+      if (state === 'writable') {
+        if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._backpressure === true) {
+          defaultWriterReadyPromiseInitialize(this);
+        } else {
+          defaultWriterReadyPromiseInitializeAsResolved(this);
+        }
+
+        defaultWriterClosedPromiseInitialize(this);
+      } else if (state === 'erroring') {
+        defaultWriterReadyPromiseInitializeAsRejected(this, stream._storedError);
+
+        this._readyPromise["catch"](function () {});
+
+        defaultWriterClosedPromiseInitialize(this);
+      } else if (state === 'closed') {
+        defaultWriterReadyPromiseInitializeAsResolved(this);
+        defaultWriterClosedPromiseInitializeAsResolved(this);
+      } else {
+        assert(state === 'errored', 'state must be errored');
+        var storedError = stream._storedError;
+        defaultWriterReadyPromiseInitializeAsRejected(this, storedError);
+
+        this._readyPromise["catch"](function () {});
+
+        defaultWriterClosedPromiseInitializeAsRejected(this, storedError);
+
+        this._closedPromise["catch"](function () {});
+      }
+    }
+
+    _createClass(WritableStreamDefaultWriter, [{
+      key: 'abort',
+      value: function abort(reason) {
+        if (IsWritableStreamDefaultWriter(this) === false) {
+          return Promise.reject(defaultWriterBrandCheckException('abort'));
+        }
+
+        if (this._ownerWritableStream === undefined) {
+          return Promise.reject(defaultWriterLockException('abort'));
+        }
+
+        return WritableStreamDefaultWriterAbort(this, reason);
+      }
+    }, {
+      key: 'close',
+      value: function close() {
+        if (IsWritableStreamDefaultWriter(this) === false) {
+          return Promise.reject(defaultWriterBrandCheckException('close'));
+        }
+
+        var stream = this._ownerWritableStream;
+
+        if (stream === undefined) {
+          return Promise.reject(defaultWriterLockException('close'));
+        }
+
+        if (WritableStreamCloseQueuedOrInFlight(stream) === true) {
+          return Promise.reject(new TypeError('cannot close an already-closing stream'));
+        }
+
+        return WritableStreamDefaultWriterClose(this);
+      }
+    }, {
+      key: 'releaseLock',
+      value: function releaseLock() {
+        if (IsWritableStreamDefaultWriter(this) === false) {
+          throw defaultWriterBrandCheckException('releaseLock');
+        }
+
+        var stream = this._ownerWritableStream;
+
+        if (stream === undefined) {
+          return;
+        }
+
+        assert(stream._writer !== undefined);
+        WritableStreamDefaultWriterRelease(this);
+      }
+    }, {
+      key: 'write',
+      value: function write(chunk) {
+        if (IsWritableStreamDefaultWriter(this) === false) {
+          return Promise.reject(defaultWriterBrandCheckException('write'));
+        }
+
+        if (this._ownerWritableStream === undefined) {
+          return Promise.reject(defaultWriterLockException('write to'));
+        }
+
+        return WritableStreamDefaultWriterWrite(this, chunk);
+      }
+    }, {
+      key: 'closed',
+      get: function get() {
+        if (IsWritableStreamDefaultWriter(this) === false) {
+          return Promise.reject(defaultWriterBrandCheckException('closed'));
+        }
+
+        return this._closedPromise;
+      }
+    }, {
+      key: 'desiredSize',
+      get: function get() {
+        if (IsWritableStreamDefaultWriter(this) === false) {
+          throw defaultWriterBrandCheckException('desiredSize');
+        }
+
+        if (this._ownerWritableStream === undefined) {
+          throw defaultWriterLockException('desiredSize');
+        }
+
+        return WritableStreamDefaultWriterGetDesiredSize(this);
+      }
+    }, {
+      key: 'ready',
+      get: function get() {
+        if (IsWritableStreamDefaultWriter(this) === false) {
+          return Promise.reject(defaultWriterBrandCheckException('ready'));
+        }
+
+        return this._readyPromise;
+      }
+    }]);
+
+    return WritableStreamDefaultWriter;
+  }();
+
+  function IsWritableStreamDefaultWriter(x) {
+    if (!typeIsObject(x)) {
+      return false;
+    }
+
+    if (!Object.prototype.hasOwnProperty.call(x, '_ownerWritableStream')) {
+      return false;
+    }
+
+    return true;
+  }
+
+  function WritableStreamDefaultWriterAbort(writer, reason) {
+    var stream = writer._ownerWritableStream;
+    assert(stream !== undefined);
+    return WritableStreamAbort(stream, reason);
+  }
+
+  function WritableStreamDefaultWriterClose(writer) {
+    var stream = writer._ownerWritableStream;
+    assert(stream !== undefined);
+    var state = stream._state;
+
+    if (state === 'closed' || state === 'errored') {
+      return Promise.reject(new TypeError('The stream (in ' + state + ' state) is not in the writable state and cannot be closed'));
+    }
+
+    assert(state === 'writable' || state === 'erroring');
+    assert(WritableStreamCloseQueuedOrInFlight(stream) === false);
+    var promise = new Promise(function (resolve, reject) {
+      var closeRequest = {
+        _resolve: resolve,
+        _reject: reject
+      };
+      stream._closeRequest = closeRequest;
+    });
+
+    if (stream._backpressure === true && state === 'writable') {
+      defaultWriterReadyPromiseResolve(writer);
+    }
+
+    WritableStreamDefaultControllerClose(stream._writableStreamController);
+    return promise;
+  }
+
+  function WritableStreamDefaultWriterCloseWithErrorPropagation(writer) {
+    var stream = writer._ownerWritableStream;
+    assert(stream !== undefined);
+    var state = stream._state;
+
+    if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {
+      return Promise.resolve();
+    }
+
+    if (state === 'errored') {
+      return Promise.reject(stream._storedError);
+    }
+
+    assert(state === 'writable' || state === 'erroring');
+    return WritableStreamDefaultWriterClose(writer);
+  }
+
+  function WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, error) {
+    if (writer._closedPromiseState === 'pending') {
+      defaultWriterClosedPromiseReject(writer, error);
+    } else {
+      defaultWriterClosedPromiseResetToRejected(writer, error);
+    }
+
+    writer._closedPromise["catch"](function () {});
+  }
+
+  function WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, error) {
+    if (writer._readyPromiseState === 'pending') {
+      defaultWriterReadyPromiseReject(writer, error);
+    } else {
+      defaultWriterReadyPromiseResetToRejected(writer, error);
+    }
+
+    writer._readyPromise["catch"](function () {});
+  }
+
+  function WritableStreamDefaultWriterGetDesiredSize(writer) {
+    var stream = writer._ownerWritableStream;
+    var state = stream._state;
+
+    if (state === 'errored' || state === 'erroring') {
+      return null;
+    }
+
+    if (state === 'closed') {
+      return 0;
+    }
+
+    return WritableStreamDefaultControllerGetDesiredSize(stream._writableStreamController);
+  }
+
+  function WritableStreamDefaultWriterRelease(writer) {
+    var stream = writer._ownerWritableStream;
+    assert(stream !== undefined);
+    assert(stream._writer === writer);
+    var releasedError = new TypeError('Writer was released and can no longer be used to monitor the stream\'s closedness');
+    WritableStreamDefaultWriterEnsureReadyPromiseRejected(writer, releasedError);
+    WritableStreamDefaultWriterEnsureClosedPromiseRejected(writer, releasedError);
+    stream._writer = undefined;
+    writer._ownerWritableStream = undefined;
+  }
+
+  function WritableStreamDefaultWriterWrite(writer, chunk) {
+    var stream = writer._ownerWritableStream;
+    assert(stream !== undefined);
+    var controller = stream._writableStreamController;
+    var chunkSize = WritableStreamDefaultControllerGetChunkSize(controller, chunk);
+
+    if (stream !== writer._ownerWritableStream) {
+      return Promise.reject(defaultWriterLockException('write to'));
+    }
+
+    var state = stream._state;
+
+    if (state === 'errored') {
+      return Promise.reject(stream._storedError);
+    }
+
+    if (WritableStreamCloseQueuedOrInFlight(stream) === true || state === 'closed') {
+      return Promise.reject(new TypeError('The stream is closing or closed and cannot be written to'));
+    }
+
+    if (state === 'erroring') {
+      return Promise.reject(stream._storedError);
+    }
+
+    assert(state === 'writable');
+    var promise = WritableStreamAddWriteRequest(stream);
+    WritableStreamDefaultControllerWrite(controller, chunk, chunkSize);
+    return promise;
+  }
+
+  var WritableStreamDefaultController = function () {
+    function WritableStreamDefaultController(stream, underlyingSink, size, highWaterMark) {
+      _classCallCheck(this, WritableStreamDefaultController);
+
+      if (IsWritableStream(stream) === false) {
+        throw new TypeError('WritableStreamDefaultController can only be constructed with a WritableStream instance');
+      }
+
+      if (stream._writableStreamController !== undefined) {
+        throw new TypeError('WritableStreamDefaultController instances can only be created by the WritableStream constructor');
+      }
+
+      this._controlledWritableStream = stream;
+      this._underlyingSink = underlyingSink;
+      this._queue = undefined;
+      this._queueTotalSize = undefined;
+      ResetQueue(this);
+      this._started = false;
+      var normalizedStrategy = ValidateAndNormalizeQueuingStrategy(size, highWaterMark);
+      this._strategySize = normalizedStrategy.size;
+      this._strategyHWM = normalizedStrategy.highWaterMark;
+      var backpressure = WritableStreamDefaultControllerGetBackpressure(this);
+      WritableStreamUpdateBackpressure(stream, backpressure);
+    }
+
+    _createClass(WritableStreamDefaultController, [{
+      key: 'error',
+      value: function error(e) {
+        if (IsWritableStreamDefaultController(this) === false) {
+          throw new TypeError('WritableStreamDefaultController.prototype.error can only be used on a WritableStreamDefaultController');
+        }
+
+        var state = this._controlledWritableStream._state;
+
+        if (state !== 'writable') {
+          return;
+        }
+
+        WritableStreamDefaultControllerError(this, e);
+      }
+    }, {
+      key: '__abortSteps',
+      value: function __abortSteps(reason) {
+        return PromiseInvokeOrNoop(this._underlyingSink, 'abort', [reason]);
+      }
+    }, {
+      key: '__errorSteps',
+      value: function __errorSteps() {
+        ResetQueue(this);
+      }
+    }, {
+      key: '__startSteps',
+      value: function __startSteps() {
+        var _this = this;
+
+        var startResult = InvokeOrNoop(this._underlyingSink, 'start', [this]);
+        var stream = this._controlledWritableStream;
+        Promise.resolve(startResult).then(function () {
+          assert(stream._state === 'writable' || stream._state === 'erroring');
+          _this._started = true;
+          WritableStreamDefaultControllerAdvanceQueueIfNeeded(_this);
+        }, function (r) {
+          assert(stream._state === 'writable' || stream._state === 'erroring');
+          _this._started = true;
+          WritableStreamDealWithRejection(stream, r);
+        })["catch"](rethrowAssertionErrorRejection);
+      }
+    }]);
+
+    return WritableStreamDefaultController;
+  }();
+
+  function WritableStreamDefaultControllerClose(controller) {
+    EnqueueValueWithSize(controller, 'close', 0);
+    WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
+  }
+
+  function WritableStreamDefaultControllerGetChunkSize(controller, chunk) {
+    var strategySize = controller._strategySize;
+
+    if (strategySize === undefined) {
+      return 1;
+    }
+
+    try {
+      return strategySize(chunk);
+    } catch (chunkSizeE) {
+      WritableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE);
+      return 1;
+    }
+  }
+
+  function WritableStreamDefaultControllerGetDesiredSize(controller) {
+    return controller._strategyHWM - controller._queueTotalSize;
+  }
+
+  function WritableStreamDefaultControllerWrite(controller, chunk, chunkSize) {
+    var writeRecord = {
+      chunk: chunk
+    };
+
+    try {
+      EnqueueValueWithSize(controller, writeRecord, chunkSize);
+    } catch (enqueueE) {
+      WritableStreamDefaultControllerErrorIfNeeded(controller, enqueueE);
+      return;
+    }
+
+    var stream = controller._controlledWritableStream;
+
+    if (WritableStreamCloseQueuedOrInFlight(stream) === false && stream._state === 'writable') {
+      var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);
+      WritableStreamUpdateBackpressure(stream, backpressure);
+    }
+
+    WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
+  }
+
+  function IsWritableStreamDefaultController(x) {
+    if (!typeIsObject(x)) {
+      return false;
+    }
+
+    if (!Object.prototype.hasOwnProperty.call(x, '_underlyingSink')) {
+      return false;
+    }
+
+    return true;
+  }
+
+  function WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller) {
+    var stream = controller._controlledWritableStream;
+
+    if (controller._started === false) {
+      return;
+    }
+
+    if (stream._inFlightWriteRequest !== undefined) {
+      return;
+    }
+
+    var state = stream._state;
+
+    if (state === 'closed' || state === 'errored') {
+      return;
+    }
+
+    if (state === 'erroring') {
+      WritableStreamFinishErroring(stream);
+      return;
+    }
+
+    if (controller._queue.length === 0) {
+      return;
+    }
+
+    var writeRecord = PeekQueueValue(controller);
+
+    if (writeRecord === 'close') {
+      WritableStreamDefaultControllerProcessClose(controller);
+    } else {
+      WritableStreamDefaultControllerProcessWrite(controller, writeRecord.chunk);
+    }
+  }
+
+  function WritableStreamDefaultControllerErrorIfNeeded(controller, error) {
+    if (controller._controlledWritableStream._state === 'writable') {
+      WritableStreamDefaultControllerError(controller, error);
+    }
+  }
+
+  function WritableStreamDefaultControllerProcessClose(controller) {
+    var stream = controller._controlledWritableStream;
+    WritableStreamMarkCloseRequestInFlight(stream);
+    DequeueValue(controller);
+    assert(controller._queue.length === 0, 'queue must be empty once the final write record is dequeued');
+    var sinkClosePromise = PromiseInvokeOrNoop(controller._underlyingSink, 'close', []);
+    sinkClosePromise.then(function () {
+      WritableStreamFinishInFlightClose(stream);
+    }, function (reason) {
+      WritableStreamFinishInFlightCloseWithError(stream, reason);
+    })["catch"](rethrowAssertionErrorRejection);
+  }
+
+  function WritableStreamDefaultControllerProcessWrite(controller, chunk) {
+    var stream = controller._controlledWritableStream;
+    WritableStreamMarkFirstWriteRequestInFlight(stream);
+    var sinkWritePromise = PromiseInvokeOrNoop(controller._underlyingSink, 'write', [chunk, controller]);
+    sinkWritePromise.then(function () {
+      WritableStreamFinishInFlightWrite(stream);
+      var state = stream._state;
+      assert(state === 'writable' || state === 'erroring');
+      DequeueValue(controller);
+
+      if (WritableStreamCloseQueuedOrInFlight(stream) === false && state === 'writable') {
+        var backpressure = WritableStreamDefaultControllerGetBackpressure(controller);
+        WritableStreamUpdateBackpressure(stream, backpressure);
+      }
+
+      WritableStreamDefaultControllerAdvanceQueueIfNeeded(controller);
+    }, function (reason) {
+      WritableStreamFinishInFlightWriteWithError(stream, reason);
+    })["catch"](rethrowAssertionErrorRejection);
+  }
+
+  function WritableStreamDefaultControllerGetBackpressure(controller) {
+    var desiredSize = WritableStreamDefaultControllerGetDesiredSize(controller);
+    return desiredSize <= 0;
+  }
+
+  function WritableStreamDefaultControllerError(controller, error) {
+    var stream = controller._controlledWritableStream;
+    assert(stream._state === 'writable');
+    WritableStreamStartErroring(stream, error);
+  }
+
+  function streamBrandCheckException(name) {
+    return new TypeError('WritableStream.prototype.' + name + ' can only be used on a WritableStream');
+  }
+
+  function defaultWriterBrandCheckException(name) {
+    return new TypeError('WritableStreamDefaultWriter.prototype.' + name + ' can only be used on a WritableStreamDefaultWriter');
+  }
+
+  function defaultWriterLockException(name) {
+    return new TypeError('Cannot ' + name + ' a stream using a released writer');
+  }
+
+  function defaultWriterClosedPromiseInitialize(writer) {
+    writer._closedPromise = new Promise(function (resolve, reject) {
+      writer._closedPromise_resolve = resolve;
+      writer._closedPromise_reject = reject;
+      writer._closedPromiseState = 'pending';
+    });
+  }
+
+  function defaultWriterClosedPromiseInitializeAsRejected(writer, reason) {
+    writer._closedPromise = Promise.reject(reason);
+    writer._closedPromise_resolve = undefined;
+    writer._closedPromise_reject = undefined;
+    writer._closedPromiseState = 'rejected';
+  }
+
+  function defaultWriterClosedPromiseInitializeAsResolved(writer) {
+    writer._closedPromise = Promise.resolve(undefined);
+    writer._closedPromise_resolve = undefined;
+    writer._closedPromise_reject = undefined;
+    writer._closedPromiseState = 'resolved';
+  }
+
+  function defaultWriterClosedPromiseReject(writer, reason) {
+    assert(writer._closedPromise_resolve !== undefined, 'writer._closedPromise_resolve !== undefined');
+    assert(writer._closedPromise_reject !== undefined, 'writer._closedPromise_reject !== undefined');
+    assert(writer._closedPromiseState === 'pending', 'writer._closedPromiseState is pending');
+
+    writer._closedPromise_reject(reason);
+
+    writer._closedPromise_resolve = undefined;
+    writer._closedPromise_reject = undefined;
+    writer._closedPromiseState = 'rejected';
+  }
+
+  function defaultWriterClosedPromiseResetToRejected(writer, reason) {
+    assert(writer._closedPromise_resolve === undefined, 'writer._closedPromise_resolve === undefined');
+    assert(writer._closedPromise_reject === undefined, 'writer._closedPromise_reject === undefined');
+    assert(writer._closedPromiseState !== 'pending', 'writer._closedPromiseState is not pending');
+    writer._closedPromise = Promise.reject(reason);
+    writer._closedPromiseState = 'rejected';
+  }
+
+  function defaultWriterClosedPromiseResolve(writer) {
+    assert(writer._closedPromise_resolve !== undefined, 'writer._closedPromise_resolve !== undefined');
+    assert(writer._closedPromise_reject !== undefined, 'writer._closedPromise_reject !== undefined');
+    assert(writer._closedPromiseState === 'pending', 'writer._closedPromiseState is pending');
+
+    writer._closedPromise_resolve(undefined);
+
+    writer._closedPromise_resolve = undefined;
+    writer._closedPromise_reject = undefined;
+    writer._closedPromiseState = 'resolved';
+  }
+
+  function defaultWriterReadyPromiseInitialize(writer) {
+    writer._readyPromise = new Promise(function (resolve, reject) {
+      writer._readyPromise_resolve = resolve;
+      writer._readyPromise_reject = reject;
+    });
+    writer._readyPromiseState = 'pending';
+  }
+
+  function defaultWriterReadyPromiseInitializeAsRejected(writer, reason) {
+    writer._readyPromise = Promise.reject(reason);
+    writer._readyPromise_resolve = undefined;
+    writer._readyPromise_reject = undefined;
+    writer._readyPromiseState = 'rejected';
+  }
+
+  function defaultWriterReadyPromiseInitializeAsResolved(writer) {
+    writer._readyPromise = Promise.resolve(undefined);
+    writer._readyPromise_resolve = undefined;
+    writer._readyPromise_reject = undefined;
+    writer._readyPromiseState = 'fulfilled';
+  }
+
+  function defaultWriterReadyPromiseReject(writer, reason) {
+    assert(writer._readyPromise_resolve !== undefined, 'writer._readyPromise_resolve !== undefined');
+    assert(writer._readyPromise_reject !== undefined, 'writer._readyPromise_reject !== undefined');
+
+    writer._readyPromise_reject(reason);
+
+    writer._readyPromise_resolve = undefined;
+    writer._readyPromise_reject = undefined;
+    writer._readyPromiseState = 'rejected';
+  }
+
+  function defaultWriterReadyPromiseReset(writer) {
+    assert(writer._readyPromise_resolve === undefined, 'writer._readyPromise_resolve === undefined');
+    assert(writer._readyPromise_reject === undefined, 'writer._readyPromise_reject === undefined');
+    writer._readyPromise = new Promise(function (resolve, reject) {
+      writer._readyPromise_resolve = resolve;
+      writer._readyPromise_reject = reject;
+    });
+    writer._readyPromiseState = 'pending';
+  }
+
+  function defaultWriterReadyPromiseResetToRejected(writer, reason) {
+    assert(writer._readyPromise_resolve === undefined, 'writer._readyPromise_resolve === undefined');
+    assert(writer._readyPromise_reject === undefined, 'writer._readyPromise_reject === undefined');
+    writer._readyPromise = Promise.reject(reason);
+    writer._readyPromiseState = 'rejected';
+  }
+
+  function defaultWriterReadyPromiseResolve(writer) {
+    assert(writer._readyPromise_resolve !== undefined, 'writer._readyPromise_resolve !== undefined');
+    assert(writer._readyPromise_reject !== undefined, 'writer._readyPromise_reject !== undefined');
+
+    writer._readyPromise_resolve(undefined);
+
+    writer._readyPromise_resolve = undefined;
+    writer._readyPromise_reject = undefined;
+    writer._readyPromiseState = 'fulfilled';
+  }
+}, function (module, exports, __w_pdfjs_require__) {
+  "use strict";
+
+  var _require = __w_pdfjs_require__(0),
+      IsFiniteNonNegativeNumber = _require.IsFiniteNonNegativeNumber;
+
+  var _require2 = __w_pdfjs_require__(1),
+      assert = _require2.assert;
+
+  exports.DequeueValue = function (container) {
+    assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: DequeueValue should only be used on containers with [[queue]] and [[queueTotalSize]].');
+    assert(container._queue.length > 0, 'Spec-level failure: should never dequeue from an empty queue.');
+
+    var pair = container._queue.shift();
+
+    container._queueTotalSize -= pair.size;
+
+    if (container._queueTotalSize < 0) {
+      container._queueTotalSize = 0;
+    }
+
+    return pair.value;
+  };
+
+  exports.EnqueueValueWithSize = function (container, value, size) {
+    assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: EnqueueValueWithSize should only be used on containers with [[queue]] and ' + '[[queueTotalSize]].');
+    size = Number(size);
+
+    if (!IsFiniteNonNegativeNumber(size)) {
+      throw new RangeError('Size must be a finite, non-NaN, non-negative number.');
+    }
+
+    container._queue.push({
+      value: value,
+      size: size
+    });
+
+    container._queueTotalSize += size;
+  };
+
+  exports.PeekQueueValue = function (container) {
+    assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: PeekQueueValue should only be used on containers with [[queue]] and [[queueTotalSize]].');
+    assert(container._queue.length > 0, 'Spec-level failure: should never peek at an empty queue.');
+    var pair = container._queue[0];
+    return pair.value;
+  };
+
+  exports.ResetQueue = function (container) {
+    assert('_queue' in container && '_queueTotalSize' in container, 'Spec-level failure: ResetQueue should only be used on containers with [[queue]] and [[queueTotalSize]].');
+    container._queue = [];
+    container._queueTotalSize = 0;
+  };
+}, function (module, exports, __w_pdfjs_require__) {
+  "use strict";
+
+  var _createClass = function () {
+    function defineProperties(target, props) {
+      for (var i = 0; i < props.length; i++) {
+        var descriptor = props[i];
+        descriptor.enumerable = descriptor.enumerable || false;
+        descriptor.configurable = true;
+        if ("value" in descriptor) descriptor.writable = true;
+        Object.defineProperty(target, descriptor.key, descriptor);
+      }
+    }
+
+    return function (Constructor, protoProps, staticProps) {
+      if (protoProps) defineProperties(Constructor.prototype, protoProps);
+      if (staticProps) defineProperties(Constructor, staticProps);
+      return Constructor;
+    };
+  }();
+
+  function _classCallCheck(instance, Constructor) {
+    if (!(instance instanceof Constructor)) {
+      throw new TypeError("Cannot call a class as a function");
+    }
+  }
+
+  var _require = __w_pdfjs_require__(0),
+      ArrayBufferCopy = _require.ArrayBufferCopy,
+      CreateIterResultObject = _require.CreateIterResultObject,
+      IsFiniteNonNegativeNumber = _require.IsFiniteNonNegativeNumber,
+      InvokeOrNoop = _require.InvokeOrNoop,
+      PromiseInvokeOrNoop = _require.PromiseInvokeOrNoop,
+      TransferArrayBuffer = _require.TransferArrayBuffer,
+      ValidateAndNormalizeQueuingStrategy = _require.ValidateAndNormalizeQueuingStrategy,
+      ValidateAndNormalizeHighWaterMark = _require.ValidateAndNormalizeHighWaterMark;
+
+  var _require2 = __w_pdfjs_require__(0),
+      createArrayFromList = _require2.createArrayFromList,
+      createDataProperty = _require2.createDataProperty,
+      typeIsObject = _require2.typeIsObject;
+
+  var _require3 = __w_pdfjs_require__(1),
+      assert = _require3.assert,
+      rethrowAssertionErrorRejection = _require3.rethrowAssertionErrorRejection;
+
+  var _require4 = __w_pdfjs_require__(3),
+      DequeueValue = _require4.DequeueValue,
+      EnqueueValueWithSize = _require4.EnqueueValueWithSize,
+      ResetQueue = _require4.ResetQueue;
+
+  var _require5 = __w_pdfjs_require__(2),
+      AcquireWritableStreamDefaultWriter = _require5.AcquireWritableStreamDefaultWriter,
+      IsWritableStream = _require5.IsWritableStream,
+      IsWritableStreamLocked = _require5.IsWritableStreamLocked,
+      WritableStreamAbort = _require5.WritableStreamAbort,
+      WritableStreamDefaultWriterCloseWithErrorPropagation = _require5.WritableStreamDefaultWriterCloseWithErrorPropagation,
+      WritableStreamDefaultWriterRelease = _require5.WritableStreamDefaultWriterRelease,
+      WritableStreamDefaultWriterWrite = _require5.WritableStreamDefaultWriterWrite,
+      WritableStreamCloseQueuedOrInFlight = _require5.WritableStreamCloseQueuedOrInFlight;
+
+  var ReadableStream = function () {
+    function ReadableStream() {
+      var underlyingSource = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+      var _ref = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
+          size = _ref.size,
+          highWaterMark = _ref.highWaterMark;
+
+      _classCallCheck(this, ReadableStream);
+
+      this._state = 'readable';
+      this._reader = undefined;
+      this._storedError = undefined;
+      this._disturbed = false;
+      this._readableStreamController = undefined;
+      var type = underlyingSource.type;
+      var typeString = String(type);
+
+      if (typeString === 'bytes') {
+        if (highWaterMark === undefined) {
+          highWaterMark = 0;
+        }
+
+        this._readableStreamController = new ReadableByteStreamController(this, underlyingSource, highWaterMark);
+      } else if (type === undefined) {
+        if (highWaterMark === undefined) {
+          highWaterMark = 1;
+        }
+
+        this._readableStreamController = new ReadableStreamDefaultController(this, underlyingSource, size, highWaterMark);
+      } else {
+        throw new RangeError('Invalid type is specified');
+      }
+    }
+
+    _createClass(ReadableStream, [{
+      key: 'cancel',
+      value: function cancel(reason) {
+        if (IsReadableStream(this) === false) {
+          return Promise.reject(streamBrandCheckException('cancel'));
+        }
+
+        if (IsReadableStreamLocked(this) === true) {
+          return Promise.reject(new TypeError('Cannot cancel a stream that already has a reader'));
+        }
+
+        return ReadableStreamCancel(this, reason);
+      }
+    }, {
+      key: 'getReader',
+      value: function getReader() {
+        var _ref2 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+            mode = _ref2.mode;
+
+        if (IsReadableStream(this) === false) {
+          throw streamBrandCheckException('getReader');
+        }
+
+        if (mode === undefined) {
+          return AcquireReadableStreamDefaultReader(this);
+        }
+
+        mode = String(mode);
+
+        if (mode === 'byob') {
+          return AcquireReadableStreamBYOBReader(this);
+        }
+
+        throw new RangeError('Invalid mode is specified');
+      }
+    }, {
+      key: 'pipeThrough',
+      value: function pipeThrough(_ref3, options) {
+        var writable = _ref3.writable,
+            readable = _ref3.readable;
+        var promise = this.pipeTo(writable, options);
+        ifIsObjectAndHasAPromiseIsHandledInternalSlotSetPromiseIsHandledToTrue(promise);
+        return readable;
+      }
+    }, {
+      key: 'pipeTo',
+      value: function pipeTo(dest) {
+        var _this = this;
+
+        var _ref4 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
+            preventClose = _ref4.preventClose,
+            preventAbort = _ref4.preventAbort,
+            preventCancel = _ref4.preventCancel;
+
+        if (IsReadableStream(this) === false) {
+          return Promise.reject(streamBrandCheckException('pipeTo'));
+        }
+
+        if (IsWritableStream(dest) === false) {
+          return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo\'s first argument must be a WritableStream'));
+        }
+
+        preventClose = Boolean(preventClose);
+        preventAbort = Boolean(preventAbort);
+        preventCancel = Boolean(preventCancel);
+
+        if (IsReadableStreamLocked(this) === true) {
+          return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked ReadableStream'));
+        }
+
+        if (IsWritableStreamLocked(dest) === true) {
+          return Promise.reject(new TypeError('ReadableStream.prototype.pipeTo cannot be used on a locked WritableStream'));
+        }
+
+        var reader = AcquireReadableStreamDefaultReader(this);
+        var writer = AcquireWritableStreamDefaultWriter(dest);
+        var shuttingDown = false;
+        var currentWrite = Promise.resolve();
+        return new Promise(function (resolve, reject) {
+          function pipeLoop() {
+            currentWrite = Promise.resolve();
+
+            if (shuttingDown === true) {
+              return Promise.resolve();
+            }
+
+            return writer._readyPromise.then(function () {
+              return ReadableStreamDefaultReaderRead(reader).then(function (_ref5) {
+                var value = _ref5.value,
+                    done = _ref5.done;
+
+                if (done === true) {
+                  return;
+                }
+
+                currentWrite = WritableStreamDefaultWriterWrite(writer, value)["catch"](function () {});
+              });
+            }).then(pipeLoop);
+          }
+
+          isOrBecomesErrored(_this, reader._closedPromise, function (storedError) {
+            if (preventAbort === false) {
+              shutdownWithAction(function () {
+                return WritableStreamAbort(dest, storedError);
+              }, true, storedError);
+            } else {
+              shutdown(true, storedError);
+            }
+          });
+          isOrBecomesErrored(dest, writer._closedPromise, function (storedError) {
+            if (preventCancel === false) {
+              shutdownWithAction(function () {
+                return ReadableStreamCancel(_this, storedError);
+              }, true, storedError);
+            } else {
+              shutdown(true, storedError);
+            }
+          });
+          isOrBecomesClosed(_this, reader._closedPromise, function () {
+            if (preventClose === false) {
+              shutdownWithAction(function () {
+                return WritableStreamDefaultWriterCloseWithErrorPropagation(writer);
+              });
+            } else {
+              shutdown();
+            }
+          });
+
+          if (WritableStreamCloseQueuedOrInFlight(dest) === true || dest._state === 'closed') {
+            var destClosed = new TypeError('the destination writable stream closed before all data could be piped to it');
+
+            if (preventCancel === false) {
+              shutdownWithAction(function () {
+                return ReadableStreamCancel(_this, destClosed);
+              }, true, destClosed);
+            } else {
+              shutdown(true, destClosed);
+            }
+          }
+
+          pipeLoop()["catch"](function (err) {
+            currentWrite = Promise.resolve();
+            rethrowAssertionErrorRejection(err);
+          });
+
+          function waitForWritesToFinish() {
+            var oldCurrentWrite = currentWrite;
+            return currentWrite.then(function () {
+              return oldCurrentWrite !== currentWrite ? waitForWritesToFinish() : undefined;
+            });
+          }
+
+          function isOrBecomesErrored(stream, promise, action) {
+            if (stream._state === 'errored') {
+              action(stream._storedError);
+            } else {
+              promise["catch"](action)["catch"](rethrowAssertionErrorRejection);
+            }
+          }
+
+          function isOrBecomesClosed(stream, promise, action) {
+            if (stream._state === 'closed') {
+              action();
+            } else {
+              promise.then(action)["catch"](rethrowAssertionErrorRejection);
+            }
+          }
+
+          function shutdownWithAction(action, originalIsError, originalError) {
+            if (shuttingDown === true) {
+              return;
+            }
+
+            shuttingDown = true;
+
+            if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {
+              waitForWritesToFinish().then(doTheRest);
+            } else {
+              doTheRest();
+            }
+
+            function doTheRest() {
+              action().then(function () {
+                return finalize(originalIsError, originalError);
+              }, function (newError) {
+                return finalize(true, newError);
+              })["catch"](rethrowAssertionErrorRejection);
+            }
+          }
+
+          function shutdown(isError, error) {
+            if (shuttingDown === true) {
+              return;
+            }
+
+            shuttingDown = true;
+
+            if (dest._state === 'writable' && WritableStreamCloseQueuedOrInFlight(dest) === false) {
+              waitForWritesToFinish().then(function () {
+                return finalize(isError, error);
+              })["catch"](rethrowAssertionErrorRejection);
+            } else {
+              finalize(isError, error);
+            }
+          }
+
+          function finalize(isError, error) {
+            WritableStreamDefaultWriterRelease(writer);
+            ReadableStreamReaderGenericRelease(reader);
+
+            if (isError) {
+              reject(error);
+            } else {
+              resolve(undefined);
+            }
+          }
+        });
+      }
+    }, {
+      key: 'tee',
+      value: function tee() {
+        if (IsReadableStream(this) === false) {
+          throw streamBrandCheckException('tee');
+        }
+
+        var branches = ReadableStreamTee(this, false);
+        return createArrayFromList(branches);
+      }
+    }, {
+      key: 'locked',
+      get: function get() {
+        if (IsReadableStream(this) === false) {
+          throw streamBrandCheckException('locked');
+        }
+
+        return IsReadableStreamLocked(this);
+      }
+    }]);
+
+    return ReadableStream;
+  }();
+
+  module.exports = {
+    ReadableStream: ReadableStream,
+    IsReadableStreamDisturbed: IsReadableStreamDisturbed,
+    ReadableStreamDefaultControllerClose: ReadableStreamDefaultControllerClose,
+    ReadableStreamDefaultControllerEnqueue: ReadableStreamDefaultControllerEnqueue,
+    ReadableStreamDefaultControllerError: ReadableStreamDefaultControllerError,
+    ReadableStreamDefaultControllerGetDesiredSize: ReadableStreamDefaultControllerGetDesiredSize
+  };
+
+  function AcquireReadableStreamBYOBReader(stream) {
+    return new ReadableStreamBYOBReader(stream);
+  }
+
+  function AcquireReadableStreamDefaultReader(stream) {
+    return new ReadableStreamDefaultReader(stream);
+  }
+
+  function IsReadableStream(x) {
+    if (!typeIsObject(x)) {
+      return false;
+    }
+
+    if (!Object.prototype.hasOwnProperty.call(x, '_readableStreamController')) {
+      return false;
+    }
+
+    return true;
+  }
+
+  function IsReadableStreamDisturbed(stream) {
+    assert(IsReadableStream(stream) === true, 'IsReadableStreamDisturbed should only be used on known readable streams');
+    return stream._disturbed;
+  }
+
+  function IsReadableStreamLocked(stream) {
+    assert(IsReadableStream(stream) === true, 'IsReadableStreamLocked should only be used on known readable streams');
+
+    if (stream._reader === undefined) {
+      return false;
+    }
+
+    return true;
+  }
+
+  function ReadableStreamTee(stream, cloneForBranch2) {
+    assert(IsReadableStream(stream) === true);
+    assert(typeof cloneForBranch2 === 'boolean');
+    var reader = AcquireReadableStreamDefaultReader(stream);
+    var teeState = {
+      closedOrErrored: false,
+      canceled1: false,
+      canceled2: false,
+      reason1: undefined,
+      reason2: undefined
+    };
+    teeState.promise = new Promise(function (resolve) {
+      teeState._resolve = resolve;
+    });
+    var pull = create_ReadableStreamTeePullFunction();
+    pull._reader = reader;
+    pull._teeState = teeState;
+    pull._cloneForBranch2 = cloneForBranch2;
+    var cancel1 = create_ReadableStreamTeeBranch1CancelFunction();
+    cancel1._stream = stream;
+    cancel1._teeState = teeState;
+    var cancel2 = create_ReadableStreamTeeBranch2CancelFunction();
+    cancel2._stream = stream;
+    cancel2._teeState = teeState;
+    var underlyingSource1 = Object.create(Object.prototype);
+    createDataProperty(underlyingSource1, 'pull', pull);
+    createDataProperty(underlyingSource1, 'cancel', cancel1);
+    var branch1Stream = new ReadableStream(underlyingSource1);
+    var underlyingSource2 = Object.create(Object.prototype);
+    createDataProperty(underlyingSource2, 'pull', pull);
+    createDataProperty(underlyingSource2, 'cancel', cancel2);
+    var branch2Stream = new ReadableStream(underlyingSource2);
+    pull._branch1 = branch1Stream._readableStreamController;
+    pull._branch2 = branch2Stream._readableStreamController;
+
+    reader._closedPromise["catch"](function (r) {
+      if (teeState.closedOrErrored === true) {
+        return;
+      }
+
+      ReadableStreamDefaultControllerError(pull._branch1, r);
+      ReadableStreamDefaultControllerError(pull._branch2, r);
+      teeState.closedOrErrored = true;
+    });
+
+    return [branch1Stream, branch2Stream];
+  }
+
+  function create_ReadableStreamTeePullFunction() {
+    function f() {
+      var reader = f._reader,
+          branch1 = f._branch1,
+          branch2 = f._branch2,
+          teeState = f._teeState;
+      return ReadableStreamDefaultReaderRead(reader).then(function (result) {
+        assert(typeIsObject(result));
+        var value = result.value;
+        var done = result.done;
+        assert(typeof done === 'boolean');
+
+        if (done === true && teeState.closedOrErrored === false) {
+          if (teeState.canceled1 === false) {
+            ReadableStreamDefaultControllerClose(branch1);
+          }
+
+          if (teeState.canceled2 === false) {
+            ReadableStreamDefaultControllerClose(branch2);
+          }
+
+          teeState.closedOrErrored = true;
+        }
+
+        if (teeState.closedOrErrored === true) {
+          return;
+        }
+
+        var value1 = value;
+        var value2 = value;
+
+        if (teeState.canceled1 === false) {
+          ReadableStreamDefaultControllerEnqueue(branch1, value1);
+        }
+
+        if (teeState.canceled2 === false) {
+          ReadableStreamDefaultControllerEnqueue(branch2, value2);
+        }
+      });
+    }
+
+    return f;
+  }
+
+  function create_ReadableStreamTeeBranch1CancelFunction() {
+    function f(reason) {
+      var stream = f._stream,
+          teeState = f._teeState;
+      teeState.canceled1 = true;
+      teeState.reason1 = reason;
+
+      if (teeState.canceled2 === true) {
+        var compositeReason = createArrayFromList([teeState.reason1, teeState.reason2]);
+        var cancelResult = ReadableStreamCancel(stream, compositeReason);
+
+        teeState._resolve(cancelResult);
+      }
+
+      return teeState.promise;
+    }
+
+    return f;
+  }
+
+  function create_ReadableStreamTeeBranch2CancelFunction() {
+    function f(reason) {
+      var stream = f._stream,
+          teeState = f._teeState;
+      teeState.canceled2 = true;
+      teeState.reason2 = reason;
+
+      if (teeState.canceled1 === true) {
+        var compositeReason = createArrayFromList([teeState.reason1, teeState.reason2]);
+        var cancelResult = ReadableStreamCancel(stream, compositeReason);
+
+        teeState._resolve(cancelResult);
+      }
+
+      return teeState.promise;
+    }
+
+    return f;
+  }
+
+  function ReadableStreamAddReadIntoRequest(stream) {
+    assert(IsReadableStreamBYOBReader(stream._reader) === true);
+    assert(stream._state === 'readable' || stream._state === 'closed');
+    var promise = new Promise(function (resolve, reject) {
+      var readIntoRequest = {
+        _resolve: resolve,
+        _reject: reject
+      };
+
+      stream._reader._readIntoRequests.push(readIntoRequest);
+    });
+    return promise;
+  }
+
+  function ReadableStreamAddReadRequest(stream) {
+    assert(IsReadableStreamDefaultReader(stream._reader) === true);
+    assert(stream._state === 'readable');
+    var promise = new Promise(function (resolve, reject) {
+      var readRequest = {
+        _resolve: resolve,
+        _reject: reject
+      };
+
+      stream._reader._readRequests.push(readRequest);
+    });
+    return promise;
+  }
+
+  function ReadableStreamCancel(stream, reason) {
+    stream._disturbed = true;
+
+    if (stream._state === 'closed') {
+      return Promise.resolve(undefined);
+    }
+
+    if (stream._state === 'errored') {
+      return Promise.reject(stream._storedError);
+    }
+
+    ReadableStreamClose(stream);
+
+    var sourceCancelPromise = stream._readableStreamController.__cancelSteps(reason);
+
+    return sourceCancelPromise.then(function () {
+      return undefined;
+    });
+  }
+
+  function ReadableStreamClose(stream) {
+    assert(stream._state === 'readable');
+    stream._state = 'closed';
+    var reader = stream._reader;
+
+    if (reader === undefined) {
+      return undefined;
+    }
+
+    if (IsReadableStreamDefaultReader(reader) === true) {
+      for (var i = 0; i < reader._readRequests.length; i++) {
+        var _resolve = reader._readRequests[i]._resolve;
+
+        _resolve(CreateIterResultObject(undefined, true));
+      }
+
+      reader._readRequests = [];
+    }
+
+    defaultReaderClosedPromiseResolve(reader);
+    return undefined;
+  }
+
+  function ReadableStreamError(stream, e) {
+    assert(IsReadableStream(stream) === true, 'stream must be ReadableStream');
+    assert(stream._state === 'readable', 'state must be readable');
+    stream._state = 'errored';
+    stream._storedError = e;
+    var reader = stream._reader;
+
+    if (reader === undefined) {
+      return undefined;
+    }
+
+    if (IsReadableStreamDefaultReader(reader) === true) {
+      for (var i = 0; i < reader._readRequests.length; i++) {
+        var readRequest = reader._readRequests[i];
+
+        readRequest._reject(e);
+      }
+
+      reader._readRequests = [];
+    } else {
+      assert(IsReadableStreamBYOBReader(reader), 'reader must be ReadableStreamBYOBReader');
+
+      for (var _i = 0; _i < reader._readIntoRequests.length; _i++) {
+        var readIntoRequest = reader._readIntoRequests[_i];
+
+        readIntoRequest._reject(e);
+      }
+
+      reader._readIntoRequests = [];
+    }
+
+    defaultReaderClosedPromiseReject(reader, e);
+
+    reader._closedPromise["catch"](function () {});
+  }
+
+  function ReadableStreamFulfillReadIntoRequest(stream, chunk, done) {
+    var reader = stream._reader;
+    assert(reader._readIntoRequests.length > 0);
+
+    var readIntoRequest = reader._readIntoRequests.shift();
+
+    readIntoRequest._resolve(CreateIterResultObject(chunk, done));
+  }
+
+  function ReadableStreamFulfillReadRequest(stream, chunk, done) {
+    var reader = stream._reader;
+    assert(reader._readRequests.length > 0);
+
+    var readRequest = reader._readRequests.shift();
+
+    readRequest._resolve(CreateIterResultObject(chunk, done));
+  }
+
+  function ReadableStreamGetNumReadIntoRequests(stream) {
+    return stream._reader._readIntoRequests.length;
+  }
+
+  function ReadableStreamGetNumReadRequests(stream) {
+    return stream._reader._readRequests.length;
+  }
+
+  function ReadableStreamHasBYOBReader(stream) {
+    var reader = stream._reader;
+
+    if (reader === undefined) {
+      return false;
+    }
+
+    if (IsReadableStreamBYOBReader(reader) === false) {
+      return false;
+    }
+
+    return true;
+  }
+
+  function ReadableStreamHasDefaultReader(stream) {
+    var reader = stream._reader;
+
+    if (reader === undefined) {
+      return false;
+    }
+
+    if (IsReadableStreamDefaultReader(reader) === false) {
+      return false;
+    }
+
+    return true;
+  }
+
+  var ReadableStreamDefaultReader = function () {
+    function ReadableStreamDefaultReader(stream) {
+      _classCallCheck(this, ReadableStreamDefaultReader);
+
+      if (IsReadableStream(stream) === false) {
+        throw new TypeError('ReadableStreamDefaultReader can only be constructed with a ReadableStream instance');
+      }
+
+      if (IsReadableStreamLocked(stream) === true) {
+        throw new TypeError('This stream has already been locked for exclusive reading by another reader');
+      }
+
+      ReadableStreamReaderGenericInitialize(this, stream);
+      this._readRequests = [];
+    }
+
+    _createClass(ReadableStreamDefaultReader, [{
+      key: 'cancel',
+      value: function cancel(reason) {
+        if (IsReadableStreamDefaultReader(this) === false) {
+          return Promise.reject(defaultReaderBrandCheckException('cancel'));
+        }
+
+        if (this._ownerReadableStream === undefined) {
+          return Promise.reject(readerLockException('cancel'));
+        }
+
+        return ReadableStreamReaderGenericCancel(this, reason);
+      }
+    }, {
+      key: 'read',
+      value: function read() {
+        if (IsReadableStreamDefaultReader(this) === false) {
+          return Promise.reject(defaultReaderBrandCheckException('read'));
+        }
+
+        if (this._ownerReadableStream === undefined) {
+          return Promise.reject(readerLockException('read from'));
+        }
+
+        return ReadableStreamDefaultReaderRead(this);
+      }
+    }, {
+      key: 'releaseLock',
+      value: function releaseLock() {
+        if (IsReadableStreamDefaultReader(this) === false) {
+          throw defaultReaderBrandCheckException('releaseLock');
+        }
+
+        if (this._ownerReadableStream === undefined) {
+          return;
+        }
+
+        if (this._readRequests.length > 0) {
+          throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');
+        }
+
+        ReadableStreamReaderGenericRelease(this);
+      }
+    }, {
+      key: 'closed',
+      get: function get() {
+        if (IsReadableStreamDefaultReader(this) === false) {
+          return Promise.reject(defaultReaderBrandCheckException('closed'));
+        }
+
+        return this._closedPromise;
+      }
+    }]);
+
+    return ReadableStreamDefaultReader;
+  }();
+
+  var ReadableStreamBYOBReader = function () {
+    function ReadableStreamBYOBReader(stream) {
+      _classCallCheck(this, ReadableStreamBYOBReader);
+
+      if (!IsReadableStream(stream)) {
+        throw new TypeError('ReadableStreamBYOBReader can only be constructed with a ReadableStream instance given a ' + 'byte source');
+      }
+
+      if (IsReadableByteStreamController(stream._readableStreamController) === false) {
+        throw new TypeError('Cannot construct a ReadableStreamBYOBReader for a stream not constructed with a byte ' + 'source');
+      }
+
+      if (IsReadableStreamLocked(stream)) {
+        throw new TypeError('This stream has already been locked for exclusive reading by another reader');
+      }
+
+      ReadableStreamReaderGenericInitialize(this, stream);
+      this._readIntoRequests = [];
+    }
+
+    _createClass(ReadableStreamBYOBReader, [{
+      key: 'cancel',
+      value: function cancel(reason) {
+        if (!IsReadableStreamBYOBReader(this)) {
+          return Promise.reject(byobReaderBrandCheckException('cancel'));
+        }
+
+        if (this._ownerReadableStream === undefined) {
+          return Promise.reject(readerLockException('cancel'));
+        }
+
+        return ReadableStreamReaderGenericCancel(this, reason);
+      }
+    }, {
+      key: 'read',
+      value: function read(view) {
+        if (!IsReadableStreamBYOBReader(this)) {
+          return Promise.reject(byobReaderBrandCheckException('read'));
+        }
+
+        if (this._ownerReadableStream === undefined) {
+          return Promise.reject(readerLockException('read from'));
+        }
+
+        if (!ArrayBuffer.isView(view)) {
+          return Promise.reject(new TypeError('view must be an array buffer view'));
+        }
+
+        if (view.byteLength === 0) {
+          return Promise.reject(new TypeError('view must have non-zero byteLength'));
+        }
+
+        return ReadableStreamBYOBReaderRead(this, view);
+      }
+    }, {
+      key: 'releaseLock',
+      value: function releaseLock() {
+        if (!IsReadableStreamBYOBReader(this)) {
+          throw byobReaderBrandCheckException('releaseLock');
+        }
+
+        if (this._ownerReadableStream === undefined) {
+          return;
+        }
+
+        if (this._readIntoRequests.length > 0) {
+          throw new TypeError('Tried to release a reader lock when that reader has pending read() calls un-settled');
+        }
+
+        ReadableStreamReaderGenericRelease(this);
+      }
+    }, {
+      key: 'closed',
+      get: function get() {
+        if (!IsReadableStreamBYOBReader(this)) {
+          return Promise.reject(byobReaderBrandCheckException('closed'));
+        }
+
+        return this._closedPromise;
+      }
+    }]);
+
+    return ReadableStreamBYOBReader;
+  }();
+
+  function IsReadableStreamBYOBReader(x) {
+    if (!typeIsObject(x)) {
+      return false;
+    }
+
+    if (!Object.prototype.hasOwnProperty.call(x, '_readIntoRequests')) {
+      return false;
+    }
+
+    return true;
+  }
+
+  function IsReadableStreamDefaultReader(x) {
+    if (!typeIsObject(x)) {
+      return false;
+    }
+
+    if (!Object.prototype.hasOwnProperty.call(x, '_readRequests')) {
+      return false;
+    }
+
+    return true;
+  }
+
+  function ReadableStreamReaderGenericInitialize(reader, stream) {
+    reader._ownerReadableStream = stream;
+    stream._reader = reader;
+
+    if (stream._state === 'readable') {
+      defaultReaderClosedPromiseInitialize(reader);
+    } else if (stream._state === 'closed') {
+      defaultReaderClosedPromiseInitializeAsResolved(reader);
+    } else {
+      assert(stream._state === 'errored', 'state must be errored');
+      defaultReaderClosedPromiseInitializeAsRejected(reader, stream._storedError);
+
+      reader._closedPromise["catch"](function () {});
+    }
+  }
+
+  function ReadableStreamReaderGenericCancel(reader, reason) {
+    var stream = reader._ownerReadableStream;
+    assert(stream !== undefined);
+    return ReadableStreamCancel(stream, reason);
+  }
+
+  function ReadableStreamReaderGenericRelease(reader) {
+    assert(reader._ownerReadableStream !== undefined);
+    assert(reader._ownerReadableStream._reader === reader);
+
+    if (reader._ownerReadableStream._state === 'readable') {
+      defaultReaderClosedPromiseReject(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\'s closedness'));
+    } else {
+      defaultReaderClosedPromiseResetToRejected(reader, new TypeError('Reader was released and can no longer be used to monitor the stream\'s closedness'));
+    }
+
+    reader._closedPromise["catch"](function () {});
+
+    reader._ownerReadableStream._reader = undefined;
+    reader._ownerReadableStream = undefined;
+  }
+
+  function ReadableStreamBYOBReaderRead(reader, view) {
+    var stream = reader._ownerReadableStream;
+    assert(stream !== undefined);
+    stream._disturbed = true;
+
+    if (stream._state === 'errored') {
+      return Promise.reject(stream._storedError);
+    }
+
+    return ReadableByteStreamControllerPullInto(stream._readableStreamController, view);
+  }
+
+  function ReadableStreamDefaultReaderRead(reader) {
+    var stream = reader._ownerReadableStream;
+    assert(stream !== undefined);
+    stream._disturbed = true;
+
+    if (stream._state === 'closed') {
+      return Promise.resolve(CreateIterResultObject(undefined, true));
+    }
+
+    if (stream._state === 'errored') {
+      return Promise.reject(stream._storedError);
+    }
+
+    assert(stream._state === 'readable');
+    return stream._readableStreamController.__pullSteps();
+  }
+
+  var ReadableStreamDefaultController = function () {
+    function ReadableStreamDefaultController(stream, underlyingSource, size, highWaterMark) {
+      _classCallCheck(this, ReadableStreamDefaultController);
+
+      if (IsReadableStream(stream) === false) {
+        throw new TypeError('ReadableStreamDefaultController can only be constructed with a ReadableStream instance');
+      }
+
+      if (stream._readableStreamController !== undefined) {
+        throw new TypeError('ReadableStreamDefaultController instances can only be created by the ReadableStream constructor');
+      }
+
+      this._controlledReadableStream = stream;
+      this._underlyingSource = underlyingSource;
+      this._queue = undefined;
+      this._queueTotalSize = undefined;
+      ResetQueue(this);
+      this._started = false;
+      this._closeRequested = false;
+      this._pullAgain = false;
+      this._pulling = false;
+      var normalizedStrategy = ValidateAndNormalizeQueuingStrategy(size, highWaterMark);
+      this._strategySize = normalizedStrategy.size;
+      this._strategyHWM = normalizedStrategy.highWaterMark;
+      var controller = this;
+      var startResult = InvokeOrNoop(underlyingSource, 'start', [this]);
+      Promise.resolve(startResult).then(function () {
+        controller._started = true;
+        assert(controller._pulling === false);
+        assert(controller._pullAgain === false);
+        ReadableStreamDefaultControllerCallPullIfNeeded(controller);
+      }, function (r) {
+        ReadableStreamDefaultControllerErrorIfNeeded(controller, r);
+      })["catch"](rethrowAssertionErrorRejection);
+    }
+
+    _createClass(ReadableStreamDefaultController, [{
+      key: 'close',
+      value: function close() {
+        if (IsReadableStreamDefaultController(this) === false) {
+          throw defaultControllerBrandCheckException('close');
+        }
+
+        if (this._closeRequested === true) {
+          throw new TypeError('The stream has already been closed; do not close it again!');
+        }
+
+        var state = this._controlledReadableStream._state;
+
+        if (state !== 'readable') {
+          throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be closed');
+        }
+
+        ReadableStreamDefaultControllerClose(this);
+      }
+    }, {
+      key: 'enqueue',
+      value: function enqueue(chunk) {
+        if (IsReadableStreamDefaultController(this) === false) {
+          throw defaultControllerBrandCheckException('enqueue');
+        }
+
+        if (this._closeRequested === true) {
+          throw new TypeError('stream is closed or draining');
+        }
+
+        var state = this._controlledReadableStream._state;
+
+        if (state !== 'readable') {
+          throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be enqueued to');
+        }
+
+        return ReadableStreamDefaultControllerEnqueue(this, chunk);
+      }
+    }, {
+      key: 'error',
+      value: function error(e) {
+        if (IsReadableStreamDefaultController(this) === false) {
+          throw defaultControllerBrandCheckException('error');
+        }
+
+        var stream = this._controlledReadableStream;
+
+        if (stream._state !== 'readable') {
+          throw new TypeError('The stream is ' + stream._state + ' and so cannot be errored');
+        }
+
+        ReadableStreamDefaultControllerError(this, e);
+      }
+    }, {
+      key: '__cancelSteps',
+      value: function __cancelSteps(reason) {
+        ResetQueue(this);
+        return PromiseInvokeOrNoop(this._underlyingSource, 'cancel', [reason]);
+      }
+    }, {
+      key: '__pullSteps',
+      value: function __pullSteps() {
+        var stream = this._controlledReadableStream;
+
+        if (this._queue.length > 0) {
+          var chunk = DequeueValue(this);
+
+          if (this._closeRequested === true && this._queue.length === 0) {
+            ReadableStreamClose(stream);
+          } else {
+            ReadableStreamDefaultControllerCallPullIfNeeded(this);
+          }
+
+          return Promise.resolve(CreateIterResultObject(chunk, false));
+        }
+
+        var pendingPromise = ReadableStreamAddReadRequest(stream);
+        ReadableStreamDefaultControllerCallPullIfNeeded(this);
+        return pendingPromise;
+      }
+    }, {
+      key: 'desiredSize',
+      get: function get() {
+        if (IsReadableStreamDefaultController(this) === false) {
+          throw defaultControllerBrandCheckException('desiredSize');
+        }
+
+        return ReadableStreamDefaultControllerGetDesiredSize(this);
+      }
+    }]);
+
+    return ReadableStreamDefaultController;
+  }();
+
+  function IsReadableStreamDefaultController(x) {
+    if (!typeIsObject(x)) {
+      return false;
+    }
+
+    if (!Object.prototype.hasOwnProperty.call(x, '_underlyingSource')) {
+      return false;
+    }
+
+    return true;
+  }
+
+  function ReadableStreamDefaultControllerCallPullIfNeeded(controller) {
+    var shouldPull = ReadableStreamDefaultControllerShouldCallPull(controller);
+
+    if (shouldPull === false) {
+      return undefined;
+    }
+
+    if (controller._pulling === true) {
+      controller._pullAgain = true;
+      return undefined;
+    }
+
+    assert(controller._pullAgain === false);
+    controller._pulling = true;
+    var pullPromise = PromiseInvokeOrNoop(controller._underlyingSource, 'pull', [controller]);
+    pullPromise.then(function () {
+      controller._pulling = false;
+
+      if (controller._pullAgain === true) {
+        controller._pullAgain = false;
+        return ReadableStreamDefaultControllerCallPullIfNeeded(controller);
+      }
+
+      return undefined;
+    }, function (e) {
+      ReadableStreamDefaultControllerErrorIfNeeded(controller, e);
+    })["catch"](rethrowAssertionErrorRejection);
+    return undefined;
+  }
+
+  function ReadableStreamDefaultControllerShouldCallPull(controller) {
+    var stream = controller._controlledReadableStream;
+
+    if (stream._state === 'closed' || stream._state === 'errored') {
+      return false;
+    }
+
+    if (controller._closeRequested === true) {
+      return false;
+    }
+
+    if (controller._started === false) {
+      return false;
+    }
+
+    if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {
+      return true;
+    }
+
+    var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller);
+
+    if (desiredSize > 0) {
+      return true;
+    }
+
+    return false;
+  }
+
+  function ReadableStreamDefaultControllerClose(controller) {
+    var stream = controller._controlledReadableStream;
+    assert(controller._closeRequested === false);
+    assert(stream._state === 'readable');
+    controller._closeRequested = true;
+
+    if (controller._queue.length === 0) {
+      ReadableStreamClose(stream);
+    }
+  }
+
+  function ReadableStreamDefaultControllerEnqueue(controller, chunk) {
+    var stream = controller._controlledReadableStream;
+    assert(controller._closeRequested === false);
+    assert(stream._state === 'readable');
+
+    if (IsReadableStreamLocked(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {
+      ReadableStreamFulfillReadRequest(stream, chunk, false);
+    } else {
+      var chunkSize = 1;
+
+      if (controller._strategySize !== undefined) {
+        var strategySize = controller._strategySize;
+
+        try {
+          chunkSize = strategySize(chunk);
+        } catch (chunkSizeE) {
+          ReadableStreamDefaultControllerErrorIfNeeded(controller, chunkSizeE);
+          throw chunkSizeE;
+        }
+      }
+
+      try {
+        EnqueueValueWithSize(controller, chunk, chunkSize);
+      } catch (enqueueE) {
+        ReadableStreamDefaultControllerErrorIfNeeded(controller, enqueueE);
+        throw enqueueE;
+      }
+    }
+
+    ReadableStreamDefaultControllerCallPullIfNeeded(controller);
+    return undefined;
+  }
+
+  function ReadableStreamDefaultControllerError(controller, e) {
+    var stream = controller._controlledReadableStream;
+    assert(stream._state === 'readable');
+    ResetQueue(controller);
+    ReadableStreamError(stream, e);
+  }
+
+  function ReadableStreamDefaultControllerErrorIfNeeded(controller, e) {
+    if (controller._controlledReadableStream._state === 'readable') {
+      ReadableStreamDefaultControllerError(controller, e);
+    }
+  }
+
+  function ReadableStreamDefaultControllerGetDesiredSize(controller) {
+    var stream = controller._controlledReadableStream;
+    var state = stream._state;
+
+    if (state === 'errored') {
+      return null;
+    }
+
+    if (state === 'closed') {
+      return 0;
+    }
+
+    return controller._strategyHWM - controller._queueTotalSize;
+  }
+
+  var ReadableStreamBYOBRequest = function () {
+    function ReadableStreamBYOBRequest(controller, view) {
+      _classCallCheck(this, ReadableStreamBYOBRequest);
+
+      this._associatedReadableByteStreamController = controller;
+      this._view = view;
+    }
+
+    _createClass(ReadableStreamBYOBRequest, [{
+      key: 'respond',
+      value: function respond(bytesWritten) {
+        if (IsReadableStreamBYOBRequest(this) === false) {
+          throw byobRequestBrandCheckException('respond');
+        }
+
+        if (this._associatedReadableByteStreamController === undefined) {
+          throw new TypeError('This BYOB request has been invalidated');
+        }
+
+        ReadableByteStreamControllerRespond(this._associatedReadableByteStreamController, bytesWritten);
+      }
+    }, {
+      key: 'respondWithNewView',
+      value: function respondWithNewView(view) {
+        if (IsReadableStreamBYOBRequest(this) === false) {
+          throw byobRequestBrandCheckException('respond');
+        }
+
+        if (this._associatedReadableByteStreamController === undefined) {
+          throw new TypeError('This BYOB request has been invalidated');
+        }
+
+        if (!ArrayBuffer.isView(view)) {
+          throw new TypeError('You can only respond with array buffer views');
+        }
+
+        ReadableByteStreamControllerRespondWithNewView(this._associatedReadableByteStreamController, view);
+      }
+    }, {
+      key: 'view',
+      get: function get() {
+        return this._view;
+      }
+    }]);
+
+    return ReadableStreamBYOBRequest;
+  }();
+
+  var ReadableByteStreamController = function () {
+    function ReadableByteStreamController(stream, underlyingByteSource, highWaterMark) {
+      _classCallCheck(this, ReadableByteStreamController);
+
+      if (IsReadableStream(stream) === false) {
+        throw new TypeError('ReadableByteStreamController can only be constructed with a ReadableStream instance given ' + 'a byte source');
+      }
+
+      if (stream._readableStreamController !== undefined) {
+        throw new TypeError('ReadableByteStreamController instances can only be created by the ReadableStream constructor given a byte ' + 'source');
+      }
+
+      this._controlledReadableStream = stream;
+      this._underlyingByteSource = underlyingByteSource;
+      this._pullAgain = false;
+      this._pulling = false;
+      ReadableByteStreamControllerClearPendingPullIntos(this);
+      this._queue = this._queueTotalSize = undefined;
+      ResetQueue(this);
+      this._closeRequested = false;
+      this._started = false;
+      this._strategyHWM = ValidateAndNormalizeHighWaterMark(highWaterMark);
+      var autoAllocateChunkSize = underlyingByteSource.autoAllocateChunkSize;
+
+      if (autoAllocateChunkSize !== undefined) {
+        if (Number.isInteger(autoAllocateChunkSize) === false || autoAllocateChunkSize <= 0) {
+          throw new RangeError('autoAllocateChunkSize must be a positive integer');
+        }
+      }
+
+      this._autoAllocateChunkSize = autoAllocateChunkSize;
+      this._pendingPullIntos = [];
+      var controller = this;
+      var startResult = InvokeOrNoop(underlyingByteSource, 'start', [this]);
+      Promise.resolve(startResult).then(function () {
+        controller._started = true;
+        assert(controller._pulling === false);
+        assert(controller._pullAgain === false);
+        ReadableByteStreamControllerCallPullIfNeeded(controller);
+      }, function (r) {
+        if (stream._state === 'readable') {
+          ReadableByteStreamControllerError(controller, r);
+        }
+      })["catch"](rethrowAssertionErrorRejection);
+    }
+
+    _createClass(ReadableByteStreamController, [{
+      key: 'close',
+      value: function close() {
+        if (IsReadableByteStreamController(this) === false) {
+          throw byteStreamControllerBrandCheckException('close');
+        }
+
+        if (this._closeRequested === true) {
+          throw new TypeError('The stream has already been closed; do not close it again!');
+        }
+
+        var state = this._controlledReadableStream._state;
+
+        if (state !== 'readable') {
+          throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be closed');
+        }
+
+        ReadableByteStreamControllerClose(this);
+      }
+    }, {
+      key: 'enqueue',
+      value: function enqueue(chunk) {
+        if (IsReadableByteStreamController(this) === false) {
+          throw byteStreamControllerBrandCheckException('enqueue');
+        }
+
+        if (this._closeRequested === true) {
+          throw new TypeError('stream is closed or draining');
+        }
+
+        var state = this._controlledReadableStream._state;
+
+        if (state !== 'readable') {
+          throw new TypeError('The stream (in ' + state + ' state) is not in the readable state and cannot be enqueued to');
+        }
+
+        if (!ArrayBuffer.isView(chunk)) {
+          throw new TypeError('You can only enqueue array buffer views when using a ReadableByteStreamController');
+        }
+
+        ReadableByteStreamControllerEnqueue(this, chunk);
+      }
+    }, {
+      key: 'error',
+      value: function error(e) {
+        if (IsReadableByteStreamController(this) === false) {
+          throw byteStreamControllerBrandCheckException('error');
+        }
+
+        var stream = this._controlledReadableStream;
+
+        if (stream._state !== 'readable') {
+          throw new TypeError('The stream is ' + stream._state + ' and so cannot be errored');
+        }
+
+        ReadableByteStreamControllerError(this, e);
+      }
+    }, {
+      key: '__cancelSteps',
+      value: function __cancelSteps(reason) {
+        if (this._pendingPullIntos.length > 0) {
+          var firstDescriptor = this._pendingPullIntos[0];
+          firstDescriptor.bytesFilled = 0;
+        }
+
+        ResetQueue(this);
+        return PromiseInvokeOrNoop(this._underlyingByteSource, 'cancel', [reason]);
+      }
+    }, {
+      key: '__pullSteps',
+      value: function __pullSteps() {
+        var stream = this._controlledReadableStream;
+        assert(ReadableStreamHasDefaultReader(stream) === true);
+
+        if (this._queueTotalSize > 0) {
+          assert(ReadableStreamGetNumReadRequests(stream) === 0);
+
+          var entry = this._queue.shift();
+
+          this._queueTotalSize -= entry.byteLength;
+          ReadableByteStreamControllerHandleQueueDrain(this);
+          var view = void 0;
+
+          try {
+            view = new Uint8Array(entry.buffer, entry.byteOffset, entry.byteLength);
+          } catch (viewE) {
+            return Promise.reject(viewE);
+          }
+
+          return Promise.resolve(CreateIterResultObject(view, false));
+        }
+
+        var autoAllocateChunkSize = this._autoAllocateChunkSize;
+
+        if (autoAllocateChunkSize !== undefined) {
+          var buffer = void 0;
+
+          try {
+            buffer = new ArrayBuffer(autoAllocateChunkSize);
+          } catch (bufferE) {
+            return Promise.reject(bufferE);
+          }
+
+          var pullIntoDescriptor = {
+            buffer: buffer,
+            byteOffset: 0,
+            byteLength: autoAllocateChunkSize,
+            bytesFilled: 0,
+            elementSize: 1,
+            ctor: Uint8Array,
+            readerType: 'default'
+          };
+
+          this._pendingPullIntos.push(pullIntoDescriptor);
+        }
+
+        var promise = ReadableStreamAddReadRequest(stream);
+        ReadableByteStreamControllerCallPullIfNeeded(this);
+        return promise;
+      }
+    }, {
+      key: 'byobRequest',
+      get: function get() {
+        if (IsReadableByteStreamController(this) === false) {
+          throw byteStreamControllerBrandCheckException('byobRequest');
+        }
+
+        if (this._byobRequest === undefined && this._pendingPullIntos.length > 0) {
+          var firstDescriptor = this._pendingPullIntos[0];
+          var view = new Uint8Array(firstDescriptor.buffer, firstDescriptor.byteOffset + firstDescriptor.bytesFilled, firstDescriptor.byteLength - firstDescriptor.bytesFilled);
+          this._byobRequest = new ReadableStreamBYOBRequest(this, view);
+        }
+
+        return this._byobRequest;
+      }
+    }, {
+      key: 'desiredSize',
+      get: function get() {
+        if (IsReadableByteStreamController(this) === false) {
+          throw byteStreamControllerBrandCheckException('desiredSize');
+        }
+
+        return ReadableByteStreamControllerGetDesiredSize(this);
+      }
+    }]);
+
+    return ReadableByteStreamController;
+  }();
+
+  function IsReadableByteStreamController(x) {
+    if (!typeIsObject(x)) {
+      return false;
+    }
+
+    if (!Object.prototype.hasOwnProperty.call(x, '_underlyingByteSource')) {
+      return false;
+    }
+
+    return true;
+  }
+
+  function IsReadableStreamBYOBRequest(x) {
+    if (!typeIsObject(x)) {
+      return false;
+    }
+
+    if (!Object.prototype.hasOwnProperty.call(x, '_associatedReadableByteStreamController')) {
+      return false;
+    }
+
+    return true;
+  }
+
+  function ReadableByteStreamControllerCallPullIfNeeded(controller) {
+    var shouldPull = ReadableByteStreamControllerShouldCallPull(controller);
+
+    if (shouldPull === false) {
+      return undefined;
+    }
+
+    if (controller._pulling === true) {
+      controller._pullAgain = true;
+      return undefined;
+    }
+
+    assert(controller._pullAgain === false);
+    controller._pulling = true;
+    var pullPromise = PromiseInvokeOrNoop(controller._underlyingByteSource, 'pull', [controller]);
+    pullPromise.then(function () {
+      controller._pulling = false;
+
+      if (controller._pullAgain === true) {
+        controller._pullAgain = false;
+        ReadableByteStreamControllerCallPullIfNeeded(controller);
+      }
+    }, function (e) {
+      if (controller._controlledReadableStream._state === 'readable') {
+        ReadableByteStreamControllerError(controller, e);
+      }
+    })["catch"](rethrowAssertionErrorRejection);
+    return undefined;
+  }
+
+  function ReadableByteStreamControllerClearPendingPullIntos(controller) {
+    ReadableByteStreamControllerInvalidateBYOBRequest(controller);
+    controller._pendingPullIntos = [];
+  }
+
+  function ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor) {
+    assert(stream._state !== 'errored', 'state must not be errored');
+    var done = false;
+
+    if (stream._state === 'closed') {
+      assert(pullIntoDescriptor.bytesFilled === 0);
+      done = true;
+    }
+
+    var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);
+
+    if (pullIntoDescriptor.readerType === 'default') {
+      ReadableStreamFulfillReadRequest(stream, filledView, done);
+    } else {
+      assert(pullIntoDescriptor.readerType === 'byob');
+      ReadableStreamFulfillReadIntoRequest(stream, filledView, done);
+    }
+  }
+
+  function ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor) {
+    var bytesFilled = pullIntoDescriptor.bytesFilled;
+    var elementSize = pullIntoDescriptor.elementSize;
+    assert(bytesFilled <= pullIntoDescriptor.byteLength);
+    assert(bytesFilled % elementSize === 0);
+    return new pullIntoDescriptor.ctor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, bytesFilled / elementSize);
+  }
+
+  function ReadableByteStreamControllerEnqueueChunkToQueue(controller, buffer, byteOffset, byteLength) {
+    controller._queue.push({
+      buffer: buffer,
+      byteOffset: byteOffset,
+      byteLength: byteLength
+    });
+
+    controller._queueTotalSize += byteLength;
+  }
+
+  function ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) {
+    var elementSize = pullIntoDescriptor.elementSize;
+    var currentAlignedBytes = pullIntoDescriptor.bytesFilled - pullIntoDescriptor.bytesFilled % elementSize;
+    var maxBytesToCopy = Math.min(controller._queueTotalSize, pullIntoDescriptor.byteLength - pullIntoDescriptor.bytesFilled);
+    var maxBytesFilled = pullIntoDescriptor.bytesFilled + maxBytesToCopy;
+    var maxAlignedBytes = maxBytesFilled - maxBytesFilled % elementSize;
+    var totalBytesToCopyRemaining = maxBytesToCopy;
+    var ready = false;
+
+    if (maxAlignedBytes > currentAlignedBytes) {
+      totalBytesToCopyRemaining = maxAlignedBytes - pullIntoDescriptor.bytesFilled;
+      ready = true;
+    }
+
+    var queue = controller._queue;
+
+    while (totalBytesToCopyRemaining > 0) {
+      var headOfQueue = queue[0];
+      var bytesToCopy = Math.min(totalBytesToCopyRemaining, headOfQueue.byteLength);
+      var destStart = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;
+      ArrayBufferCopy(pullIntoDescriptor.buffer, destStart, headOfQueue.buffer, headOfQueue.byteOffset, bytesToCopy);
+
+      if (headOfQueue.byteLength === bytesToCopy) {
+        queue.shift();
+      } else {
+        headOfQueue.byteOffset += bytesToCopy;
+        headOfQueue.byteLength -= bytesToCopy;
+      }
+
+      controller._queueTotalSize -= bytesToCopy;
+      ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesToCopy, pullIntoDescriptor);
+      totalBytesToCopyRemaining -= bytesToCopy;
+    }
+
+    if (ready === false) {
+      assert(controller._queueTotalSize === 0, 'queue must be empty');
+      assert(pullIntoDescriptor.bytesFilled > 0);
+      assert(pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize);
+    }
+
+    return ready;
+  }
+
+  function ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, size, pullIntoDescriptor) {
+    assert(controller._pendingPullIntos.length === 0 || controller._pendingPullIntos[0] === pullIntoDescriptor);
+    ReadableByteStreamControllerInvalidateBYOBRequest(controller);
+    pullIntoDescriptor.bytesFilled += size;
+  }
+
+  function ReadableByteStreamControllerHandleQueueDrain(controller) {
+    assert(controller._controlledReadableStream._state === 'readable');
+
+    if (controller._queueTotalSize === 0 && controller._closeRequested === true) {
+      ReadableStreamClose(controller._controlledReadableStream);
+    } else {
+      ReadableByteStreamControllerCallPullIfNeeded(controller);
+    }
+  }
+
+  function ReadableByteStreamControllerInvalidateBYOBRequest(controller) {
+    if (controller._byobRequest === undefined) {
+      return;
+    }
+
+    controller._byobRequest._associatedReadableByteStreamController = undefined;
+    controller._byobRequest._view = undefined;
+    controller._byobRequest = undefined;
+  }
+
+  function ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller) {
+    assert(controller._closeRequested === false);
+
+    while (controller._pendingPullIntos.length > 0) {
+      if (controller._queueTotalSize === 0) {
+        return;
+      }
+
+      var pullIntoDescriptor = controller._pendingPullIntos[0];
+
+      if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {
+        ReadableByteStreamControllerShiftPendingPullInto(controller);
+        ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableStream, pullIntoDescriptor);
+      }
+    }
+  }
+
+  function ReadableByteStreamControllerPullInto(controller, view) {
+    var stream = controller._controlledReadableStream;
+    var elementSize = 1;
+
+    if (view.constructor !== DataView) {
+      elementSize = view.constructor.BYTES_PER_ELEMENT;
+    }
+
+    var ctor = view.constructor;
+    var pullIntoDescriptor = {
+      buffer: view.buffer,
+      byteOffset: view.byteOffset,
+      byteLength: view.byteLength,
+      bytesFilled: 0,
+      elementSize: elementSize,
+      ctor: ctor,
+      readerType: 'byob'
+    };
+
+    if (controller._pendingPullIntos.length > 0) {
+      pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);
+
+      controller._pendingPullIntos.push(pullIntoDescriptor);
+
+      return ReadableStreamAddReadIntoRequest(stream);
+    }
+
+    if (stream._state === 'closed') {
+      var emptyView = new view.constructor(pullIntoDescriptor.buffer, pullIntoDescriptor.byteOffset, 0);
+      return Promise.resolve(CreateIterResultObject(emptyView, true));
+    }
+
+    if (controller._queueTotalSize > 0) {
+      if (ReadableByteStreamControllerFillPullIntoDescriptorFromQueue(controller, pullIntoDescriptor) === true) {
+        var filledView = ReadableByteStreamControllerConvertPullIntoDescriptor(pullIntoDescriptor);
+        ReadableByteStreamControllerHandleQueueDrain(controller);
+        return Promise.resolve(CreateIterResultObject(filledView, false));
+      }
+
+      if (controller._closeRequested === true) {
+        var e = new TypeError('Insufficient bytes to fill elements in the given buffer');
+        ReadableByteStreamControllerError(controller, e);
+        return Promise.reject(e);
+      }
+    }
+
+    pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);
+
+    controller._pendingPullIntos.push(pullIntoDescriptor);
+
+    var promise = ReadableStreamAddReadIntoRequest(stream);
+    ReadableByteStreamControllerCallPullIfNeeded(controller);
+    return promise;
+  }
+
+  function ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor) {
+    firstDescriptor.buffer = TransferArrayBuffer(firstDescriptor.buffer);
+    assert(firstDescriptor.bytesFilled === 0, 'bytesFilled must be 0');
+    var stream = controller._controlledReadableStream;
+
+    if (ReadableStreamHasBYOBReader(stream) === true) {
+      while (ReadableStreamGetNumReadIntoRequests(stream) > 0) {
+        var pullIntoDescriptor = ReadableByteStreamControllerShiftPendingPullInto(controller);
+        ReadableByteStreamControllerCommitPullIntoDescriptor(stream, pullIntoDescriptor);
+      }
+    }
+  }
+
+  function ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, pullIntoDescriptor) {
+    if (pullIntoDescriptor.bytesFilled + bytesWritten > pullIntoDescriptor.byteLength) {
+      throw new RangeError('bytesWritten out of range');
+    }
+
+    ReadableByteStreamControllerFillHeadPullIntoDescriptor(controller, bytesWritten, pullIntoDescriptor);
+
+    if (pullIntoDescriptor.bytesFilled < pullIntoDescriptor.elementSize) {
+      return;
+    }
+
+    ReadableByteStreamControllerShiftPendingPullInto(controller);
+    var remainderSize = pullIntoDescriptor.bytesFilled % pullIntoDescriptor.elementSize;
+
+    if (remainderSize > 0) {
+      var end = pullIntoDescriptor.byteOffset + pullIntoDescriptor.bytesFilled;
+      var remainder = pullIntoDescriptor.buffer.slice(end - remainderSize, end);
+      ReadableByteStreamControllerEnqueueChunkToQueue(controller, remainder, 0, remainder.byteLength);
+    }
+
+    pullIntoDescriptor.buffer = TransferArrayBuffer(pullIntoDescriptor.buffer);
+    pullIntoDescriptor.bytesFilled -= remainderSize;
+    ReadableByteStreamControllerCommitPullIntoDescriptor(controller._controlledReadableStream, pullIntoDescriptor);
+    ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);
+  }
+
+  function ReadableByteStreamControllerRespondInternal(controller, bytesWritten) {
+    var firstDescriptor = controller._pendingPullIntos[0];
+    var stream = controller._controlledReadableStream;
+
+    if (stream._state === 'closed') {
+      if (bytesWritten !== 0) {
+        throw new TypeError('bytesWritten must be 0 when calling respond() on a closed stream');
+      }
+
+      ReadableByteStreamControllerRespondInClosedState(controller, firstDescriptor);
+    } else {
+      assert(stream._state === 'readable');
+      ReadableByteStreamControllerRespondInReadableState(controller, bytesWritten, firstDescriptor);
+    }
+  }
+
+  function ReadableByteStreamControllerShiftPendingPullInto(controller) {
+    var descriptor = controller._pendingPullIntos.shift();
+
+    ReadableByteStreamControllerInvalidateBYOBRequest(controller);
+    return descriptor;
+  }
+
+  function ReadableByteStreamControllerShouldCallPull(controller) {
+    var stream = controller._controlledReadableStream;
+
+    if (stream._state !== 'readable') {
+      return false;
+    }
+
+    if (controller._closeRequested === true) {
+      return false;
+    }
+
+    if (controller._started === false) {
+      return false;
+    }
+
+    if (ReadableStreamHasDefaultReader(stream) === true && ReadableStreamGetNumReadRequests(stream) > 0) {
+      return true;
+    }
+
+    if (ReadableStreamHasBYOBReader(stream) === true && ReadableStreamGetNumReadIntoRequests(stream) > 0) {
+      return true;
+    }
+
+    if (ReadableByteStreamControllerGetDesiredSize(controller) > 0) {
+      return true;
+    }
+
+    return false;
+  }
+
+  function ReadableByteStreamControllerClose(controller) {
+    var stream = controller._controlledReadableStream;
+    assert(controller._closeRequested === false);
+    assert(stream._state === 'readable');
+
+    if (controller._queueTotalSize > 0) {
+      controller._closeRequested = true;
+      return;
+    }
+
+    if (controller._pendingPullIntos.length > 0) {
+      var firstPendingPullInto = controller._pendingPullIntos[0];
+
+      if (firstPendingPullInto.bytesFilled > 0) {
+        var e = new TypeError('Insufficient bytes to fill elements in the given buffer');
+        ReadableByteStreamControllerError(controller, e);
+        throw e;
+      }
+    }
+
+    ReadableStreamClose(stream);
+  }
+
+  function ReadableByteStreamControllerEnqueue(controller, chunk) {
+    var stream = controller._controlledReadableStream;
+    assert(controller._closeRequested === false);
+    assert(stream._state === 'readable');
+    var buffer = chunk.buffer;
+    var byteOffset = chunk.byteOffset;
+    var byteLength = chunk.byteLength;
+    var transferredBuffer = TransferArrayBuffer(buffer);
+
+    if (ReadableStreamHasDefaultReader(stream) === true) {
+      if (ReadableStreamGetNumReadRequests(stream) === 0) {
+        ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);
+      } else {
+        assert(controller._queue.length === 0);
+        var transferredView = new Uint8Array(transferredBuffer, byteOffset, byteLength);
+        ReadableStreamFulfillReadRequest(stream, transferredView, false);
+      }
+    } else if (ReadableStreamHasBYOBReader(stream) === true) {
+      ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);
+      ReadableByteStreamControllerProcessPullIntoDescriptorsUsingQueue(controller);
+    } else {
+      assert(IsReadableStreamLocked(stream) === false, 'stream must not be locked');
+      ReadableByteStreamControllerEnqueueChunkToQueue(controller, transferredBuffer, byteOffset, byteLength);
+    }
+  }
+
+  function ReadableByteStreamControllerError(controller, e) {
+    var stream = controller._controlledReadableStream;
+    assert(stream._state === 'readable');
+    ReadableByteStreamControllerClearPendingPullIntos(controller);
+    ResetQueue(controller);
+    ReadableStreamError(stream, e);
+  }
+
+  function ReadableByteStreamControllerGetDesiredSize(controller) {
+    var stream = controller._controlledReadableStream;
+    var state = stream._state;
+
+    if (state === 'errored') {
+      return null;
+    }
+
+    if (state === 'closed') {
+      return 0;
+    }
+
+    return controller._strategyHWM - controller._queueTotalSize;
+  }
+
+  function ReadableByteStreamControllerRespond(controller, bytesWritten) {
+    bytesWritten = Number(bytesWritten);
+
+    if (IsFiniteNonNegativeNumber(bytesWritten) === false) {
+      throw new RangeError('bytesWritten must be a finite');
+    }
+
+    assert(controller._pendingPullIntos.length > 0);
+    ReadableByteStreamControllerRespondInternal(controller, bytesWritten);
+  }
+
+  function ReadableByteStreamControllerRespondWithNewView(controller, view) {
+    assert(controller._pendingPullIntos.length > 0);
+    var firstDescriptor = controller._pendingPullIntos[0];
+
+    if (firstDescriptor.byteOffset + firstDescriptor.bytesFilled !== view.byteOffset) {
+      throw new RangeError('The region specified by view does not match byobRequest');
+    }
+
+    if (firstDescriptor.byteLength !== view.byteLength) {
+      throw new RangeError('The buffer of view has different capacity than byobRequest');
+    }
+
+    firstDescriptor.buffer = view.buffer;
+    ReadableByteStreamControllerRespondInternal(controller, view.byteLength);
+  }
+
+  function streamBrandCheckException(name) {
+    return new TypeError('ReadableStream.prototype.' + name + ' can only be used on a ReadableStream');
+  }
+
+  function readerLockException(name) {
+    return new TypeError('Cannot ' + name + ' a stream using a released reader');
+  }
+
+  function defaultReaderBrandCheckException(name) {
+    return new TypeError('ReadableStreamDefaultReader.prototype.' + name + ' can only be used on a ReadableStreamDefaultReader');
+  }
+
+  function defaultReaderClosedPromiseInitialize(reader) {
+    reader._closedPromise = new Promise(function (resolve, reject) {
+      reader._closedPromise_resolve = resolve;
+      reader._closedPromise_reject = reject;
+    });
+  }
+
+  function defaultReaderClosedPromiseInitializeAsRejected(reader, reason) {
+    reader._closedPromise = Promise.reject(reason);
+    reader._closedPromise_resolve = undefined;
+    reader._closedPromise_reject = undefined;
+  }
+
+  function defaultReaderClosedPromiseInitializeAsResolved(reader) {
+    reader._closedPromise = Promise.resolve(undefined);
+    reader._closedPromise_resolve = undefined;
+    reader._closedPromise_reject = undefined;
+  }
+
+  function defaultReaderClosedPromiseReject(reader, reason) {
+    assert(reader._closedPromise_resolve !== undefined);
+    assert(reader._closedPromise_reject !== undefined);
+
+    reader._closedPromise_reject(reason);
+
+    reader._closedPromise_resolve = undefined;
+    reader._closedPromise_reject = undefined;
+  }
+
+  function defaultReaderClosedPromiseResetToRejected(reader, reason) {
+    assert(reader._closedPromise_resolve === undefined);
+    assert(reader._closedPromise_reject === undefined);
+    reader._closedPromise = Promise.reject(reason);
+  }
+
+  function defaultReaderClosedPromiseResolve(reader) {
+    assert(reader._closedPromise_resolve !== undefined);
+    assert(reader._closedPromise_reject !== undefined);
+
+    reader._closedPromise_resolve(undefined);
+
+    reader._closedPromise_resolve = undefined;
+    reader._closedPromise_reject = undefined;
+  }
+
+  function byobReaderBrandCheckException(name) {
+    return new TypeError('ReadableStreamBYOBReader.prototype.' + name + ' can only be used on a ReadableStreamBYOBReader');
+  }
+
+  function defaultControllerBrandCheckException(name) {
+    return new TypeError('ReadableStreamDefaultController.prototype.' + name + ' can only be used on a ReadableStreamDefaultController');
+  }
+
+  function byobRequestBrandCheckException(name) {
+    return new TypeError('ReadableStreamBYOBRequest.prototype.' + name + ' can only be used on a ReadableStreamBYOBRequest');
+  }
+
+  function byteStreamControllerBrandCheckException(name) {
+    return new TypeError('ReadableByteStreamController.prototype.' + name + ' can only be used on a ReadableByteStreamController');
+  }
+
+  function ifIsObjectAndHasAPromiseIsHandledInternalSlotSetPromiseIsHandledToTrue(promise) {
+    try {
+      Promise.prototype.then.call(promise, undefined, function () {});
+    } catch (e) {}
+  }
+}, function (module, exports, __w_pdfjs_require__) {
+  "use strict";
+
+  var transformStream = __w_pdfjs_require__(6);
+
+  var readableStream = __w_pdfjs_require__(4);
+
+  var writableStream = __w_pdfjs_require__(2);
+
+  exports.TransformStream = transformStream.TransformStream;
+  exports.ReadableStream = readableStream.ReadableStream;
+  exports.IsReadableStreamDisturbed = readableStream.IsReadableStreamDisturbed;
+  exports.ReadableStreamDefaultControllerClose = readableStream.ReadableStreamDefaultControllerClose;
+  exports.ReadableStreamDefaultControllerEnqueue = readableStream.ReadableStreamDefaultControllerEnqueue;
+  exports.ReadableStreamDefaultControllerError = readableStream.ReadableStreamDefaultControllerError;
+  exports.ReadableStreamDefaultControllerGetDesiredSize = readableStream.ReadableStreamDefaultControllerGetDesiredSize;
+  exports.AcquireWritableStreamDefaultWriter = writableStream.AcquireWritableStreamDefaultWriter;
+  exports.IsWritableStream = writableStream.IsWritableStream;
+  exports.IsWritableStreamLocked = writableStream.IsWritableStreamLocked;
+  exports.WritableStream = writableStream.WritableStream;
+  exports.WritableStreamAbort = writableStream.WritableStreamAbort;
+  exports.WritableStreamDefaultControllerError = writableStream.WritableStreamDefaultControllerError;
+  exports.WritableStreamDefaultWriterCloseWithErrorPropagation = writableStream.WritableStreamDefaultWriterCloseWithErrorPropagation;
+  exports.WritableStreamDefaultWriterRelease = writableStream.WritableStreamDefaultWriterRelease;
+  exports.WritableStreamDefaultWriterWrite = writableStream.WritableStreamDefaultWriterWrite;
+}, function (module, exports, __w_pdfjs_require__) {
+  "use strict";
+
+  var _createClass = function () {
+    function defineProperties(target, props) {
+      for (var i = 0; i < props.length; i++) {
+        var descriptor = props[i];
+        descriptor.enumerable = descriptor.enumerable || false;
+        descriptor.configurable = true;
+        if ("value" in descriptor) descriptor.writable = true;
+        Object.defineProperty(target, descriptor.key, descriptor);
+      }
+    }
+
+    return function (Constructor, protoProps, staticProps) {
+      if (protoProps) defineProperties(Constructor.prototype, protoProps);
+      if (staticProps) defineProperties(Constructor, staticProps);
+      return Constructor;
+    };
+  }();
+
+  function _classCallCheck(instance, Constructor) {
+    if (!(instance instanceof Constructor)) {
+      throw new TypeError("Cannot call a class as a function");
+    }
+  }
+
+  var _require = __w_pdfjs_require__(1),
+      assert = _require.assert;
+
+  var _require2 = __w_pdfjs_require__(0),
+      InvokeOrNoop = _require2.InvokeOrNoop,
+      PromiseInvokeOrPerformFallback = _require2.PromiseInvokeOrPerformFallback,
+      PromiseInvokeOrNoop = _require2.PromiseInvokeOrNoop,
+      typeIsObject = _require2.typeIsObject;
+
+  var _require3 = __w_pdfjs_require__(4),
+      ReadableStream = _require3.ReadableStream,
+      ReadableStreamDefaultControllerClose = _require3.ReadableStreamDefaultControllerClose,
+      ReadableStreamDefaultControllerEnqueue = _require3.ReadableStreamDefaultControllerEnqueue,
+      ReadableStreamDefaultControllerError = _require3.ReadableStreamDefaultControllerError,
+      ReadableStreamDefaultControllerGetDesiredSize = _require3.ReadableStreamDefaultControllerGetDesiredSize;
+
+  var _require4 = __w_pdfjs_require__(2),
+      WritableStream = _require4.WritableStream,
+      WritableStreamDefaultControllerError = _require4.WritableStreamDefaultControllerError;
+
+  function TransformStreamCloseReadable(transformStream) {
+    if (transformStream._errored === true) {
+      throw new TypeError('TransformStream is already errored');
+    }
+
+    if (transformStream._readableClosed === true) {
+      throw new TypeError('Readable side is already closed');
+    }
+
+    TransformStreamCloseReadableInternal(transformStream);
+  }
+
+  function TransformStreamEnqueueToReadable(transformStream, chunk) {
+    if (transformStream._errored === true) {
+      throw new TypeError('TransformStream is already errored');
+    }
+
+    if (transformStream._readableClosed === true) {
+      throw new TypeError('Readable side is already closed');
+    }
+
+    var controller = transformStream._readableController;
+
+    try {
+      ReadableStreamDefaultControllerEnqueue(controller, chunk);
+    } catch (e) {
+      transformStream._readableClosed = true;
+      TransformStreamErrorIfNeeded(transformStream, e);
+      throw transformStream._storedError;
+    }
+
+    var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(controller);
+    var maybeBackpressure = desiredSize <= 0;
+
+    if (maybeBackpressure === true && transformStream._backpressure === false) {
+      TransformStreamSetBackpressure(transformStream, true);
+    }
+  }
+
+  function TransformStreamError(transformStream, e) {
+    if (transformStream._errored === true) {
+      throw new TypeError('TransformStream is already errored');
+    }
+
+    TransformStreamErrorInternal(transformStream, e);
+  }
+
+  function TransformStreamCloseReadableInternal(transformStream) {
+    assert(transformStream._errored === false);
+    assert(transformStream._readableClosed === false);
+
+    try {
+      ReadableStreamDefaultControllerClose(transformStream._readableController);
+    } catch (e) {
+      assert(false);
+    }
+
+    transformStream._readableClosed = true;
+  }
+
+  function TransformStreamErrorIfNeeded(transformStream, e) {
+    if (transformStream._errored === false) {
+      TransformStreamErrorInternal(transformStream, e);
+    }
+  }
+
+  function TransformStreamErrorInternal(transformStream, e) {
+    assert(transformStream._errored === false);
+    transformStream._errored = true;
+    transformStream._storedError = e;
+
+    if (transformStream._writableDone === false) {
+      WritableStreamDefaultControllerError(transformStream._writableController, e);
+    }
+
+    if (transformStream._readableClosed === false) {
+      ReadableStreamDefaultControllerError(transformStream._readableController, e);
+    }
+  }
+
+  function TransformStreamReadableReadyPromise(transformStream) {
+    assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');
+
+    if (transformStream._backpressure === false) {
+      return Promise.resolve();
+    }
+
+    assert(transformStream._backpressure === true, '_backpressure should have been initialized');
+    return transformStream._backpressureChangePromise;
+  }
+
+  function TransformStreamSetBackpressure(transformStream, backpressure) {
+    assert(transformStream._backpressure !== backpressure, 'TransformStreamSetBackpressure() should be called only when backpressure is changed');
+
+    if (transformStream._backpressureChangePromise !== undefined) {
+      transformStream._backpressureChangePromise_resolve(backpressure);
+    }
+
+    transformStream._backpressureChangePromise = new Promise(function (resolve) {
+      transformStream._backpressureChangePromise_resolve = resolve;
+    });
+
+    transformStream._backpressureChangePromise.then(function (resolution) {
+      assert(resolution !== backpressure, '_backpressureChangePromise should be fulfilled only when backpressure is changed');
+    });
+
+    transformStream._backpressure = backpressure;
+  }
+
+  function TransformStreamDefaultTransform(chunk, transformStreamController) {
+    var transformStream = transformStreamController._controlledTransformStream;
+    TransformStreamEnqueueToReadable(transformStream, chunk);
+    return Promise.resolve();
+  }
+
+  function TransformStreamTransform(transformStream, chunk) {
+    assert(transformStream._errored === false);
+    assert(transformStream._transforming === false);
+    assert(transformStream._backpressure === false);
+    transformStream._transforming = true;
+    var transformer = transformStream._transformer;
+    var controller = transformStream._transformStreamController;
+    var transformPromise = PromiseInvokeOrPerformFallback(transformer, 'transform', [chunk, controller], TransformStreamDefaultTransform, [chunk, controller]);
+    return transformPromise.then(function () {
+      transformStream._transforming = false;
+      return TransformStreamReadableReadyPromise(transformStream);
+    }, function (e) {
+      TransformStreamErrorIfNeeded(transformStream, e);
+      return Promise.reject(e);
+    });
+  }
+
+  function IsTransformStreamDefaultController(x) {
+    if (!typeIsObject(x)) {
+      return false;
+    }
+
+    if (!Object.prototype.hasOwnProperty.call(x, '_controlledTransformStream')) {
+      return false;
+    }
+
+    return true;
+  }
+
+  function IsTransformStream(x) {
+    if (!typeIsObject(x)) {
+      return false;
+    }
+
+    if (!Object.prototype.hasOwnProperty.call(x, '_transformStreamController')) {
+      return false;
+    }
+
+    return true;
+  }
+
+  var TransformStreamSink = function () {
+    function TransformStreamSink(transformStream, startPromise) {
+      _classCallCheck(this, TransformStreamSink);
+
+      this._transformStream = transformStream;
+      this._startPromise = startPromise;
+    }
+
+    _createClass(TransformStreamSink, [{
+      key: 'start',
+      value: function start(c) {
+        var transformStream = this._transformStream;
+        transformStream._writableController = c;
+        return this._startPromise.then(function () {
+          return TransformStreamReadableReadyPromise(transformStream);
+        });
+      }
+    }, {
+      key: 'write',
+      value: function write(chunk) {
+        var transformStream = this._transformStream;
+        return TransformStreamTransform(transformStream, chunk);
+      }
+    }, {
+      key: 'abort',
+      value: function abort() {
+        var transformStream = this._transformStream;
+        transformStream._writableDone = true;
+        TransformStreamErrorInternal(transformStream, new TypeError('Writable side aborted'));
+      }
+    }, {
+      key: 'close',
+      value: function close() {
+        var transformStream = this._transformStream;
+        assert(transformStream._transforming === false);
+        transformStream._writableDone = true;
+        var flushPromise = PromiseInvokeOrNoop(transformStream._transformer, 'flush', [transformStream._transformStreamController]);
+        return flushPromise.then(function () {
+          if (transformStream._errored === true) {
+            return Promise.reject(transformStream._storedError);
+          }
+
+          if (transformStream._readableClosed === false) {
+            TransformStreamCloseReadableInternal(transformStream);
+          }
+
+          return Promise.resolve();
+        })["catch"](function (r) {
+          TransformStreamErrorIfNeeded(transformStream, r);
+          return Promise.reject(transformStream._storedError);
+        });
+      }
+    }]);
+
+    return TransformStreamSink;
+  }();
+
+  var TransformStreamSource = function () {
+    function TransformStreamSource(transformStream, startPromise) {
+      _classCallCheck(this, TransformStreamSource);
+
+      this._transformStream = transformStream;
+      this._startPromise = startPromise;
+    }
+
+    _createClass(TransformStreamSource, [{
+      key: 'start',
+      value: function start(c) {
+        var transformStream = this._transformStream;
+        transformStream._readableController = c;
+        return this._startPromise.then(function () {
+          assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');
+
+          if (transformStream._backpressure === true) {
+            return Promise.resolve();
+          }
+
+          assert(transformStream._backpressure === false, '_backpressure should have been initialized');
+          return transformStream._backpressureChangePromise;
+        });
+      }
+    }, {
+      key: 'pull',
+      value: function pull() {
+        var transformStream = this._transformStream;
+        assert(transformStream._backpressure === true, 'pull() should be never called while _backpressure is false');
+        assert(transformStream._backpressureChangePromise !== undefined, '_backpressureChangePromise should have been initialized');
+        TransformStreamSetBackpressure(transformStream, false);
+        return transformStream._backpressureChangePromise;
+      }
+    }, {
+      key: 'cancel',
+      value: function cancel() {
+        var transformStream = this._transformStream;
+        transformStream._readableClosed = true;
+        TransformStreamErrorInternal(transformStream, new TypeError('Readable side canceled'));
+      }
+    }]);
+
+    return TransformStreamSource;
+  }();
+
+  var TransformStreamDefaultController = function () {
+    function TransformStreamDefaultController(transformStream) {
+      _classCallCheck(this, TransformStreamDefaultController);
+
+      if (IsTransformStream(transformStream) === false) {
+        throw new TypeError('TransformStreamDefaultController can only be ' + 'constructed with a TransformStream instance');
+      }
+
+      if (transformStream._transformStreamController !== undefined) {
+        throw new TypeError('TransformStreamDefaultController instances can ' + 'only be created by the TransformStream constructor');
+      }
+
+      this._controlledTransformStream = transformStream;
+    }
+
+    _createClass(TransformStreamDefaultController, [{
+      key: 'enqueue',
+      value: function enqueue(chunk) {
+        if (IsTransformStreamDefaultController(this) === false) {
+          throw defaultControllerBrandCheckException('enqueue');
+        }
+
+        TransformStreamEnqueueToReadable(this._controlledTransformStream, chunk);
+      }
+    }, {
+      key: 'close',
+      value: function close() {
+        if (IsTransformStreamDefaultController(this) === false) {
+          throw defaultControllerBrandCheckException('close');
+        }
+
+        TransformStreamCloseReadable(this._controlledTransformStream);
+      }
+    }, {
+      key: 'error',
+      value: function error(reason) {
+        if (IsTransformStreamDefaultController(this) === false) {
+          throw defaultControllerBrandCheckException('error');
+        }
+
+        TransformStreamError(this._controlledTransformStream, reason);
+      }
+    }, {
+      key: 'desiredSize',
+      get: function get() {
+        if (IsTransformStreamDefaultController(this) === false) {
+          throw defaultControllerBrandCheckException('desiredSize');
+        }
+
+        var transformStream = this._controlledTransformStream;
+        var readableController = transformStream._readableController;
+        return ReadableStreamDefaultControllerGetDesiredSize(readableController);
+      }
+    }]);
+
+    return TransformStreamDefaultController;
+  }();
+
+  var TransformStream = function () {
+    function TransformStream() {
+      var transformer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+
+      _classCallCheck(this, TransformStream);
+
+      this._transformer = transformer;
+      var readableStrategy = transformer.readableStrategy,
+          writableStrategy = transformer.writableStrategy;
+      this._transforming = false;
+      this._errored = false;
+      this._storedError = undefined;
+      this._writableController = undefined;
+      this._readableController = undefined;
+      this._transformStreamController = undefined;
+      this._writableDone = false;
+      this._readableClosed = false;
+      this._backpressure = undefined;
+      this._backpressureChangePromise = undefined;
+      this._backpressureChangePromise_resolve = undefined;
+      this._transformStreamController = new TransformStreamDefaultController(this);
+      var startPromise_resolve = void 0;
+      var startPromise = new Promise(function (resolve) {
+        startPromise_resolve = resolve;
+      });
+      var source = new TransformStreamSource(this, startPromise);
+      this._readable = new ReadableStream(source, readableStrategy);
+      var sink = new TransformStreamSink(this, startPromise);
+      this._writable = new WritableStream(sink, writableStrategy);
+      assert(this._writableController !== undefined);
+      assert(this._readableController !== undefined);
+      var desiredSize = ReadableStreamDefaultControllerGetDesiredSize(this._readableController);
+      TransformStreamSetBackpressure(this, desiredSize <= 0);
+      var transformStream = this;
+      var startResult = InvokeOrNoop(transformer, 'start', [transformStream._transformStreamController]);
+      startPromise_resolve(startResult);
+      startPromise["catch"](function (e) {
+        if (transformStream._errored === false) {
+          transformStream._errored = true;
+          transformStream._storedError = e;
+        }
+      });
+    }
+
+    _createClass(TransformStream, [{
+      key: 'readable',
+      get: function get() {
+        if (IsTransformStream(this) === false) {
+          throw streamBrandCheckException('readable');
+        }
+
+        return this._readable;
+      }
+    }, {
+      key: 'writable',
+      get: function get() {
+        if (IsTransformStream(this) === false) {
+          throw streamBrandCheckException('writable');
+        }
+
+        return this._writable;
+      }
+    }]);
+
+    return TransformStream;
+  }();
+
+  module.exports = {
+    TransformStream: TransformStream
+  };
+
+  function defaultControllerBrandCheckException(name) {
+    return new TypeError('TransformStreamDefaultController.prototype.' + name + ' can only be used on a TransformStreamDefaultController');
+  }
+
+  function streamBrandCheckException(name) {
+    return new TypeError('TransformStream.prototype.' + name + ' can only be used on a TransformStream');
+  }
+}, function (module, exports, __w_pdfjs_require__) {
+  module.exports = __w_pdfjs_require__(5);
+}]));
+
+/***/ }),
+/* 145 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+{
+  var isURLSupported = false;
+
+  try {
+    if (typeof URL === 'function' && _typeof(URL.prototype) === 'object' && 'origin' in URL.prototype) {
+      var u = new URL('b', 'http://a');
+      u.pathname = 'c%20d';
+      isURLSupported = u.href === 'http://a/c%20d';
+    }
+  } catch (ex) {}
+
+  if (isURLSupported) {
+    exports.URL = URL;
+  } else {
+    var PolyfillURL = __w_pdfjs_require__(146).URL;
+
+    var OriginalURL = __w_pdfjs_require__(3).URL;
+
+    if (OriginalURL) {
+      PolyfillURL.createObjectURL = function (blob) {
+        return OriginalURL.createObjectURL.apply(OriginalURL, arguments);
+      };
+
+      PolyfillURL.revokeObjectURL = function (url) {
+        OriginalURL.revokeObjectURL(url);
+      };
+    }
+
+    exports.URL = PolyfillURL;
+  }
+}
+
+/***/ }),
+/* 146 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+(function URLConstructorClosure() {
+  'use strict';
+
+  var relative = Object.create(null);
+  relative['ftp'] = 21;
+  relative['file'] = 0;
+  relative['gopher'] = 70;
+  relative['http'] = 80;
+  relative['https'] = 443;
+  relative['ws'] = 80;
+  relative['wss'] = 443;
+  var relativePathDotMapping = Object.create(null);
+  relativePathDotMapping['%2e'] = '.';
+  relativePathDotMapping['.%2e'] = '..';
+  relativePathDotMapping['%2e.'] = '..';
+  relativePathDotMapping['%2e%2e'] = '..';
+
+  function isRelativeScheme(scheme) {
+    return relative[scheme] !== undefined;
+  }
+
+  function invalid() {
+    clear.call(this);
+    this._isInvalid = true;
+  }
+
+  function IDNAToASCII(h) {
+    if (h === '') {
+      invalid.call(this);
+    }
+
+    return h.toLowerCase();
+  }
+
+  function percentEscape(c) {
+    var unicode = c.charCodeAt(0);
+
+    if (unicode > 0x20 && unicode < 0x7F && [0x22, 0x23, 0x3C, 0x3E, 0x3F, 0x60].indexOf(unicode) === -1) {
+      return c;
+    }
+
+    return encodeURIComponent(c);
+  }
+
+  function percentEscapeQuery(c) {
+    var unicode = c.charCodeAt(0);
+
+    if (unicode > 0x20 && unicode < 0x7F && [0x22, 0x23, 0x3C, 0x3E, 0x60].indexOf(unicode) === -1) {
+      return c;
+    }
+
+    return encodeURIComponent(c);
+  }
+
+  var EOF,
+      ALPHA = /[a-zA-Z]/,
+      ALPHANUMERIC = /[a-zA-Z0-9\+\-\.]/;
+
+  function parse(input, stateOverride, base) {
+    function err(message) {
+      errors.push(message);
+    }
+
+    var state = stateOverride || 'scheme start',
+        cursor = 0,
+        buffer = '',
+        seenAt = false,
+        seenBracket = false,
+        errors = [];
+
+    loop: while ((input[cursor - 1] !== EOF || cursor === 0) && !this._isInvalid) {
+      var c = input[cursor];
+
+      switch (state) {
+        case 'scheme start':
+          if (c && ALPHA.test(c)) {
+            buffer += c.toLowerCase();
+            state = 'scheme';
+          } else if (!stateOverride) {
+            buffer = '';
+            state = 'no scheme';
+            continue;
+          } else {
+            err('Invalid scheme.');
+            break loop;
+          }
+
+          break;
+
+        case 'scheme':
+          if (c && ALPHANUMERIC.test(c)) {
+            buffer += c.toLowerCase();
+          } else if (c === ':') {
+            this._scheme = buffer;
+            buffer = '';
+
+            if (stateOverride) {
+              break loop;
+            }
+
+            if (isRelativeScheme(this._scheme)) {
+              this._isRelative = true;
+            }
+
+            if (this._scheme === 'file') {
+              state = 'relative';
+            } else if (this._isRelative && base && base._scheme === this._scheme) {
+              state = 'relative or authority';
+            } else if (this._isRelative) {
+              state = 'authority first slash';
+            } else {
+              state = 'scheme data';
+            }
+          } else if (!stateOverride) {
+            buffer = '';
+            cursor = 0;
+            state = 'no scheme';
+            continue;
+          } else if (c === EOF) {
+            break loop;
+          } else {
+            err('Code point not allowed in scheme: ' + c);
+            break loop;
+          }
+
+          break;
+
+        case 'scheme data':
+          if (c === '?') {
+            this._query = '?';
+            state = 'query';
+          } else if (c === '#') {
+            this._fragment = '#';
+            state = 'fragment';
+          } else {
+            if (c !== EOF && c !== '\t' && c !== '\n' && c !== '\r') {
+              this._schemeData += percentEscape(c);
+            }
+          }
+
+          break;
+
+        case 'no scheme':
+          if (!base || !isRelativeScheme(base._scheme)) {
+            err('Missing scheme.');
+            invalid.call(this);
+          } else {
+            state = 'relative';
+            continue;
+          }
+
+          break;
+
+        case 'relative or authority':
+          if (c === '/' && input[cursor + 1] === '/') {
+            state = 'authority ignore slashes';
+          } else {
+            err('Expected /, got: ' + c);
+            state = 'relative';
+            continue;
+          }
+
+          break;
+
+        case 'relative':
+          this._isRelative = true;
+
+          if (this._scheme !== 'file') {
+            this._scheme = base._scheme;
+          }
+
+          if (c === EOF) {
+            this._host = base._host;
+            this._port = base._port;
+            this._path = base._path.slice();
+            this._query = base._query;
+            this._username = base._username;
+            this._password = base._password;
+            break loop;
+          } else if (c === '/' || c === '\\') {
+            if (c === '\\') {
+              err('\\ is an invalid code point.');
+            }
+
+            state = 'relative slash';
+          } else if (c === '?') {
+            this._host = base._host;
+            this._port = base._port;
+            this._path = base._path.slice();
+            this._query = '?';
+            this._username = base._username;
+            this._password = base._password;
+            state = 'query';
+          } else if (c === '#') {
+            this._host = base._host;
+            this._port = base._port;
+            this._path = base._path.slice();
+            this._query = base._query;
+            this._fragment = '#';
+            this._username = base._username;
+            this._password = base._password;
+            state = 'fragment';
+          } else {
+            var nextC = input[cursor + 1];
+            var nextNextC = input[cursor + 2];
+
+            if (this._scheme !== 'file' || !ALPHA.test(c) || nextC !== ':' && nextC !== '|' || nextNextC !== EOF && nextNextC !== '/' && nextNextC !== '\\' && nextNextC !== '?' && nextNextC !== '#') {
+              this._host = base._host;
+              this._port = base._port;
+              this._username = base._username;
+              this._password = base._password;
+              this._path = base._path.slice();
+
+              this._path.pop();
+            }
+
+            state = 'relative path';
+            continue;
+          }
+
+          break;
+
+        case 'relative slash':
+          if (c === '/' || c === '\\') {
+            if (c === '\\') {
+              err('\\ is an invalid code point.');
+            }
+
+            if (this._scheme === 'file') {
+              state = 'file host';
+            } else {
+              state = 'authority ignore slashes';
+            }
+          } else {
+            if (this._scheme !== 'file') {
+              this._host = base._host;
+              this._port = base._port;
+              this._username = base._username;
+              this._password = base._password;
+            }
+
+            state = 'relative path';
+            continue;
+          }
+
+          break;
+
+        case 'authority first slash':
+          if (c === '/') {
+            state = 'authority second slash';
+          } else {
+            err('Expected \'/\', got: ' + c);
+            state = 'authority ignore slashes';
+            continue;
+          }
+
+          break;
+
+        case 'authority second slash':
+          state = 'authority ignore slashes';
+
+          if (c !== '/') {
+            err('Expected \'/\', got: ' + c);
+            continue;
+          }
+
+          break;
+
+        case 'authority ignore slashes':
+          if (c !== '/' && c !== '\\') {
+            state = 'authority';
+            continue;
+          } else {
+            err('Expected authority, got: ' + c);
+          }
+
+          break;
+
+        case 'authority':
+          if (c === '@') {
+            if (seenAt) {
+              err('@ already seen.');
+              buffer += '%40';
+            }
+
+            seenAt = true;
+
+            for (var i = 0; i < buffer.length; i++) {
+              var cp = buffer[i];
+
+              if (cp === '\t' || cp === '\n' || cp === '\r') {
+                err('Invalid whitespace in authority.');
+                continue;
+              }
+
+              if (cp === ':' && this._password === null) {
+                this._password = '';
+                continue;
+              }
+
+              var tempC = percentEscape(cp);
+
+              if (this._password !== null) {
+                this._password += tempC;
+              } else {
+                this._username += tempC;
+              }
+            }
+
+            buffer = '';
+          } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
+            cursor -= buffer.length;
+            buffer = '';
+            state = 'host';
+            continue;
+          } else {
+            buffer += c;
+          }
+
+          break;
+
+        case 'file host':
+          if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
+            if (buffer.length === 2 && ALPHA.test(buffer[0]) && (buffer[1] === ':' || buffer[1] === '|')) {
+              state = 'relative path';
+            } else if (buffer.length === 0) {
+              state = 'relative path start';
+            } else {
+              this._host = IDNAToASCII.call(this, buffer);
+              buffer = '';
+              state = 'relative path start';
+            }
+
+            continue;
+          } else if (c === '\t' || c === '\n' || c === '\r') {
+            err('Invalid whitespace in file host.');
+          } else {
+            buffer += c;
+          }
+
+          break;
+
+        case 'host':
+        case 'hostname':
+          if (c === ':' && !seenBracket) {
+            this._host = IDNAToASCII.call(this, buffer);
+            buffer = '';
+            state = 'port';
+
+            if (stateOverride === 'hostname') {
+              break loop;
+            }
+          } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#') {
+            this._host = IDNAToASCII.call(this, buffer);
+            buffer = '';
+            state = 'relative path start';
+
+            if (stateOverride) {
+              break loop;
+            }
+
+            continue;
+          } else if (c !== '\t' && c !== '\n' && c !== '\r') {
+            if (c === '[') {
+              seenBracket = true;
+            } else if (c === ']') {
+              seenBracket = false;
+            }
+
+            buffer += c;
+          } else {
+            err('Invalid code point in host/hostname: ' + c);
+          }
+
+          break;
+
+        case 'port':
+          if (/[0-9]/.test(c)) {
+            buffer += c;
+          } else if (c === EOF || c === '/' || c === '\\' || c === '?' || c === '#' || stateOverride) {
+            if (buffer !== '') {
+              var temp = parseInt(buffer, 10);
+
+              if (temp !== relative[this._scheme]) {
+                this._port = temp + '';
+              }
+
+              buffer = '';
+            }
+
+            if (stateOverride) {
+              break loop;
+            }
+
+            state = 'relative path start';
+            continue;
+          } else if (c === '\t' || c === '\n' || c === '\r') {
+            err('Invalid code point in port: ' + c);
+          } else {
+            invalid.call(this);
+          }
+
+          break;
+
+        case 'relative path start':
+          if (c === '\\') {
+            err('\'\\\' not allowed in path.');
+          }
+
+          state = 'relative path';
+
+          if (c !== '/' && c !== '\\') {
+            continue;
+          }
+
+          break;
+
+        case 'relative path':
+          if (c === EOF || c === '/' || c === '\\' || !stateOverride && (c === '?' || c === '#')) {
+            if (c === '\\') {
+              err('\\ not allowed in relative path.');
+            }
+
+            var tmp;
+
+            if (tmp = relativePathDotMapping[buffer.toLowerCase()]) {
+              buffer = tmp;
+            }
+
+            if (buffer === '..') {
+              this._path.pop();
+
+              if (c !== '/' && c !== '\\') {
+                this._path.push('');
+              }
+            } else if (buffer === '.' && c !== '/' && c !== '\\') {
+              this._path.push('');
+            } else if (buffer !== '.') {
+              if (this._scheme === 'file' && this._path.length === 0 && buffer.length === 2 && ALPHA.test(buffer[0]) && buffer[1] === '|') {
+                buffer = buffer[0] + ':';
+              }
+
+              this._path.push(buffer);
+            }
+
+            buffer = '';
+
+            if (c === '?') {
+              this._query = '?';
+              state = 'query';
+            } else if (c === '#') {
+              this._fragment = '#';
+              state = 'fragment';
+            }
+          } else if (c !== '\t' && c !== '\n' && c !== '\r') {
+            buffer += percentEscape(c);
+          }
+
+          break;
+
+        case 'query':
+          if (!stateOverride && c === '#') {
+            this._fragment = '#';
+            state = 'fragment';
+          } else if (c !== EOF && c !== '\t' && c !== '\n' && c !== '\r') {
+            this._query += percentEscapeQuery(c);
+          }
+
+          break;
+
+        case 'fragment':
+          if (c !== EOF && c !== '\t' && c !== '\n' && c !== '\r') {
+            this._fragment += c;
+          }
+
+          break;
+      }
+
+      cursor++;
+    }
+  }
+
+  function clear() {
+    this._scheme = '';
+    this._schemeData = '';
+    this._username = '';
+    this._password = null;
+    this._host = '';
+    this._port = '';
+    this._path = [];
+    this._query = '';
+    this._fragment = '';
+    this._isInvalid = false;
+    this._isRelative = false;
+  }
+
+  function JURL(url, base) {
+    if (base !== undefined && !(base instanceof JURL)) {
+      base = new JURL(String(base));
+    }
+
+    this._url = url;
+    clear.call(this);
+    var input = url.replace(/^[ \t\r\n\f]+|[ \t\r\n\f]+$/g, '');
+    parse.call(this, input, null, base);
+  }
+
+  JURL.prototype = {
+    toString: function toString() {
+      return this.href;
+    },
+
+    get href() {
+      if (this._isInvalid) {
+        return this._url;
+      }
+
+      var authority = '';
+
+      if (this._username !== '' || this._password !== null) {
+        authority = this._username + (this._password !== null ? ':' + this._password : '') + '@';
+      }
+
+      return this.protocol + (this._isRelative ? '//' + authority + this.host : '') + this.pathname + this._query + this._fragment;
+    },
+
+    set href(value) {
+      clear.call(this);
+      parse.call(this, value);
+    },
+
+    get protocol() {
+      return this._scheme + ':';
+    },
+
+    set protocol(value) {
+      if (this._isInvalid) {
+        return;
+      }
+
+      parse.call(this, value + ':', 'scheme start');
+    },
+
+    get host() {
+      return this._isInvalid ? '' : this._port ? this._host + ':' + this._port : this._host;
+    },
+
+    set host(value) {
+      if (this._isInvalid || !this._isRelative) {
+        return;
+      }
+
+      parse.call(this, value, 'host');
+    },
+
+    get hostname() {
+      return this._host;
+    },
+
+    set hostname(value) {
+      if (this._isInvalid || !this._isRelative) {
+        return;
+      }
+
+      parse.call(this, value, 'hostname');
+    },
+
+    get port() {
+      return this._port;
+    },
+
+    set port(value) {
+      if (this._isInvalid || !this._isRelative) {
+        return;
+      }
+
+      parse.call(this, value, 'port');
+    },
+
+    get pathname() {
+      return this._isInvalid ? '' : this._isRelative ? '/' + this._path.join('/') : this._schemeData;
+    },
+
+    set pathname(value) {
+      if (this._isInvalid || !this._isRelative) {
+        return;
+      }
+
+      this._path = [];
+      parse.call(this, value, 'relative path start');
+    },
+
+    get search() {
+      return this._isInvalid || !this._query || this._query === '?' ? '' : this._query;
+    },
+
+    set search(value) {
+      if (this._isInvalid || !this._isRelative) {
+        return;
+      }
+
+      this._query = '?';
+
+      if (value[0] === '?') {
+        value = value.slice(1);
+      }
+
+      parse.call(this, value, 'query');
+    },
+
+    get hash() {
+      return this._isInvalid || !this._fragment || this._fragment === '#' ? '' : this._fragment;
+    },
+
+    set hash(value) {
+      if (this._isInvalid) {
+        return;
+      }
+
+      this._fragment = '#';
+
+      if (value[0] === '#') {
+        value = value.slice(1);
+      }
+
+      parse.call(this, value, 'fragment');
+    },
+
+    get origin() {
+      var host;
+
+      if (this._isInvalid || !this._scheme) {
+        return '';
+      }
+
+      switch (this._scheme) {
+        case 'data':
+        case 'file':
+        case 'javascript':
+        case 'mailto':
+          return 'null';
+
+        case 'blob':
+          try {
+            return new JURL(this._schemeData).origin || 'null';
+          } catch (_) {}
+
+          return 'null';
+      }
+
+      host = this.host;
+
+      if (!host) {
+        return '';
+      }
+
+      return this._scheme + '://' + host;
+    }
+
+  };
+  exports.URL = JURL;
+})();
+
+/***/ }),
+/* 147 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getDocument = getDocument;
+exports.setPDFNetworkStreamFactory = setPDFNetworkStreamFactory;
+exports.build = exports.version = exports.PDFPageProxy = exports.PDFDocumentProxy = exports.PDFWorker = exports.PDFDataRangeTransport = exports.LoopbackPort = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(148));
+
+var _util = __w_pdfjs_require__(1);
+
+var _display_utils = __w_pdfjs_require__(151);
+
+var _font_loader = __w_pdfjs_require__(152);
+
+var _api_compatibility = __w_pdfjs_require__(153);
+
+var _canvas = __w_pdfjs_require__(154);
+
+var _global_scope = _interopRequireDefault(__w_pdfjs_require__(3));
+
+var _worker_options = __w_pdfjs_require__(156);
+
+var _message_handler = __w_pdfjs_require__(157);
+
+var _metadata = __w_pdfjs_require__(158);
+
+var _transport_stream = __w_pdfjs_require__(160);
+
+var _webgl = __w_pdfjs_require__(161);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
+
+function _iterableToArrayLimit(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread(); }
+
+function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance"); }
+
+function _iterableToArray(iter) { if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter); }
+
+function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+var DEFAULT_RANGE_CHUNK_SIZE = 65536;
+var isWorkerDisabled = false;
+var fallbackWorkerSrc;
+var fakeWorkerFilesLoader = null;
+{
+  var useRequireEnsure = false;
+
+  if (typeof window === 'undefined') {
+    isWorkerDisabled = true;
+
+    if (typeof require.ensure === 'undefined') {
+      require.ensure = require('node-ensure');
+    }
+
+    useRequireEnsure = true;
+  } else if (typeof require !== 'undefined' && typeof require.ensure === 'function') {
+    useRequireEnsure = true;
+  }
+
+  if (typeof requirejs !== 'undefined' && requirejs.toUrl) {
+    fallbackWorkerSrc = requirejs.toUrl('pdfjs-dist/build/pdf.worker.js');
+  }
+
+  var dynamicLoaderSupported = typeof requirejs !== 'undefined' && requirejs.load;
+  fakeWorkerFilesLoader = useRequireEnsure ? function () {
+    return new Promise(function (resolve, reject) {
+      require.ensure([], function () {
+        try {
+          var worker;
+          worker = require('./pdf.worker.js');
+          resolve(worker.WorkerMessageHandler);
+        } catch (ex) {
+          reject(ex);
+        }
+      }, reject, 'pdfjsWorker');
+    });
+  } : dynamicLoaderSupported ? function () {
+    return new Promise(function (resolve, reject) {
+      requirejs(['pdfjs-dist/build/pdf.worker'], function (worker) {
+        try {
+          resolve(worker.WorkerMessageHandler);
+        } catch (ex) {
+          reject(ex);
+        }
+      }, reject);
+    });
+  } : null;
+
+  if (!fallbackWorkerSrc && (typeof document === "undefined" ? "undefined" : _typeof(document)) === 'object' && 'currentScript' in document) {
+    var pdfjsFilePath = document.currentScript && document.currentScript.src;
+
+    if (pdfjsFilePath) {
+      fallbackWorkerSrc = pdfjsFilePath.replace(/(\.(?:min\.)?js)(\?.*)?$/i, '.worker$1$2');
+    }
+  }
+}
+var createPDFNetworkStream;
+
+function setPDFNetworkStreamFactory(pdfNetworkStreamFactory) {
+  createPDFNetworkStream = pdfNetworkStreamFactory;
+}
+
+function getDocument(src) {
+  var task = new PDFDocumentLoadingTask();
+  var source;
+
+  if (typeof src === 'string') {
+    source = {
+      url: src
+    };
+  } else if ((0, _util.isArrayBuffer)(src)) {
+    source = {
+      data: src
+    };
+  } else if (src instanceof PDFDataRangeTransport) {
+    source = {
+      range: src
+    };
+  } else {
+    if (_typeof(src) !== 'object') {
+      throw new Error('Invalid parameter in getDocument, ' + 'need either Uint8Array, string or a parameter object');
+    }
+
+    if (!src.url && !src.data && !src.range) {
+      throw new Error('Invalid parameter object: need either .data, .range or .url');
+    }
+
+    source = src;
+  }
+
+  var params = Object.create(null);
+  var rangeTransport = null,
+      worker = null;
+
+  for (var key in source) {
+    if (key === 'url' && typeof window !== 'undefined') {
+      params[key] = new _util.URL(source[key], window.location).href;
+      continue;
+    } else if (key === 'range') {
+      rangeTransport = source[key];
+      continue;
+    } else if (key === 'worker') {
+      worker = source[key];
+      continue;
+    } else if (key === 'data' && !(source[key] instanceof Uint8Array)) {
+      var pdfBytes = source[key];
+
+      if (typeof pdfBytes === 'string') {
+        params[key] = (0, _util.stringToBytes)(pdfBytes);
+      } else if (_typeof(pdfBytes) === 'object' && pdfBytes !== null && !isNaN(pdfBytes.length)) {
+        params[key] = new Uint8Array(pdfBytes);
+      } else if ((0, _util.isArrayBuffer)(pdfBytes)) {
+        params[key] = new Uint8Array(pdfBytes);
+      } else {
+        throw new Error('Invalid PDF binary data: either typed array, ' + 'string or array-like object is expected in the ' + 'data property.');
+      }
+
+      continue;
+    }
+
+    params[key] = source[key];
+  }
+
+  params.rangeChunkSize = params.rangeChunkSize || DEFAULT_RANGE_CHUNK_SIZE;
+  params.CMapReaderFactory = params.CMapReaderFactory || _display_utils.DOMCMapReaderFactory;
+  params.ignoreErrors = params.stopAtErrors !== true;
+  params.pdfBug = params.pdfBug === true;
+  var NativeImageDecoderValues = Object.values(_util.NativeImageDecoding);
+
+  if (params.nativeImageDecoderSupport === undefined || !NativeImageDecoderValues.includes(params.nativeImageDecoderSupport)) {
+    params.nativeImageDecoderSupport = _api_compatibility.apiCompatibilityParams.nativeImageDecoderSupport || _util.NativeImageDecoding.DECODE;
+  }
+
+  if (!Number.isInteger(params.maxImageSize)) {
+    params.maxImageSize = -1;
+  }
+
+  if (typeof params.isEvalSupported !== 'boolean') {
+    params.isEvalSupported = true;
+  }
+
+  if (typeof params.disableFontFace !== 'boolean') {
+    params.disableFontFace = _api_compatibility.apiCompatibilityParams.disableFontFace || false;
+  }
+
+  if (typeof params.disableRange !== 'boolean') {
+    params.disableRange = false;
+  }
+
+  if (typeof params.disableStream !== 'boolean') {
+    params.disableStream = false;
+  }
+
+  if (typeof params.disableAutoFetch !== 'boolean') {
+    params.disableAutoFetch = false;
+  }
+
+  if (typeof params.disableCreateObjectURL !== 'boolean') {
+    params.disableCreateObjectURL = _api_compatibility.apiCompatibilityParams.disableCreateObjectURL || false;
+  }
+
+  (0, _util.setVerbosityLevel)(params.verbosity);
+
+  if (!worker) {
+    var workerParams = {
+      postMessageTransfers: params.postMessageTransfers,
+      verbosity: params.verbosity,
+      port: _worker_options.GlobalWorkerOptions.workerPort
+    };
+    worker = workerParams.port ? PDFWorker.fromPort(workerParams) : new PDFWorker(workerParams);
+    task._worker = worker;
+  }
+
+  var docId = task.docId;
+  worker.promise.then(function () {
+    if (task.destroyed) {
+      throw new Error('Loading aborted');
+    }
+
+    return _fetchDocument(worker, params, rangeTransport, docId).then(function (workerId) {
+      if (task.destroyed) {
+        throw new Error('Loading aborted');
+      }
+
+      var networkStream;
+
+      if (rangeTransport) {
+        networkStream = new _transport_stream.PDFDataTransportStream({
+          length: params.length,
+          initialData: params.initialData,
+          progressiveDone: params.progressiveDone,
+          disableRange: params.disableRange,
+          disableStream: params.disableStream
+        }, rangeTransport);
+      } else if (!params.data) {
+        networkStream = createPDFNetworkStream({
+          url: params.url,
+          length: params.length,
+          httpHeaders: params.httpHeaders,
+          withCredentials: params.withCredentials,
+          rangeChunkSize: params.rangeChunkSize,
+          disableRange: params.disableRange,
+          disableStream: params.disableStream
+        });
+      }
+
+      var messageHandler = new _message_handler.MessageHandler(docId, workerId, worker.port);
+      messageHandler.postMessageTransfers = worker.postMessageTransfers;
+      var transport = new WorkerTransport(messageHandler, task, networkStream, params);
+      task._transport = transport;
+      messageHandler.send('Ready', null);
+    });
+  })["catch"](task._capability.reject);
+  return task;
+}
+
+function _fetchDocument(worker, source, pdfDataRangeTransport, docId) {
+  if (worker.destroyed) {
+    return Promise.reject(new Error('Worker was destroyed'));
+  }
+
+  if (pdfDataRangeTransport) {
+    source.length = pdfDataRangeTransport.length;
+    source.initialData = pdfDataRangeTransport.initialData;
+    source.progressiveDone = pdfDataRangeTransport.progressiveDone;
+  }
+
+  return worker.messageHandler.sendWithPromise('GetDocRequest', {
+    docId: docId,
+    apiVersion: '2.2.228',
+    source: {
+      data: source.data,
+      url: source.url,
+      password: source.password,
+      disableAutoFetch: source.disableAutoFetch,
+      rangeChunkSize: source.rangeChunkSize,
+      length: source.length
+    },
+    maxImageSize: source.maxImageSize,
+    disableFontFace: source.disableFontFace,
+    disableCreateObjectURL: source.disableCreateObjectURL,
+    postMessageTransfers: worker.postMessageTransfers,
+    docBaseUrl: source.docBaseUrl,
+    nativeImageDecoderSupport: source.nativeImageDecoderSupport,
+    ignoreErrors: source.ignoreErrors,
+    isEvalSupported: source.isEvalSupported
+  }).then(function (workerId) {
+    if (worker.destroyed) {
+      throw new Error('Worker was destroyed');
+    }
+
+    return workerId;
+  });
+}
+
+var PDFDocumentLoadingTask = function PDFDocumentLoadingTaskClosure() {
+  var nextDocumentId = 0;
+
+  var PDFDocumentLoadingTask =
+  /*#__PURE__*/
+  function () {
+    function PDFDocumentLoadingTask() {
+      _classCallCheck(this, PDFDocumentLoadingTask);
+
+      this._capability = (0, _util.createPromiseCapability)();
+      this._transport = null;
+      this._worker = null;
+      this.docId = 'd' + nextDocumentId++;
+      this.destroyed = false;
+      this.onPassword = null;
+      this.onProgress = null;
+      this.onUnsupportedFeature = null;
+    }
+
+    _createClass(PDFDocumentLoadingTask, [{
+      key: "destroy",
+      value: function destroy() {
+        var _this = this;
+
+        this.destroyed = true;
+        var transportDestroyed = !this._transport ? Promise.resolve() : this._transport.destroy();
+        return transportDestroyed.then(function () {
+          _this._transport = null;
+
+          if (_this._worker) {
+            _this._worker.destroy();
+
+            _this._worker = null;
+          }
+        });
+      }
+    }, {
+      key: "then",
+      value: function then(onFulfilled, onRejected) {
+        (0, _display_utils.deprecated)('PDFDocumentLoadingTask.then method, ' + 'use the `promise` getter instead.');
+        return this.promise.then.apply(this.promise, arguments);
+      }
+    }, {
+      key: "promise",
+      get: function get() {
+        return this._capability.promise;
+      }
+    }]);
+
+    return PDFDocumentLoadingTask;
+  }();
+
+  return PDFDocumentLoadingTask;
+}();
+
+var PDFDataRangeTransport =
+/*#__PURE__*/
+function () {
+  function PDFDataRangeTransport(length, initialData) {
+    var progressiveDone = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
+    _classCallCheck(this, PDFDataRangeTransport);
+
+    this.length = length;
+    this.initialData = initialData;
+    this.progressiveDone = progressiveDone;
+    this._rangeListeners = [];
+    this._progressListeners = [];
+    this._progressiveReadListeners = [];
+    this._progressiveDoneListeners = [];
+    this._readyCapability = (0, _util.createPromiseCapability)();
+  }
+
+  _createClass(PDFDataRangeTransport, [{
+    key: "addRangeListener",
+    value: function addRangeListener(listener) {
+      this._rangeListeners.push(listener);
+    }
+  }, {
+    key: "addProgressListener",
+    value: function addProgressListener(listener) {
+      this._progressListeners.push(listener);
+    }
+  }, {
+    key: "addProgressiveReadListener",
+    value: function addProgressiveReadListener(listener) {
+      this._progressiveReadListeners.push(listener);
+    }
+  }, {
+    key: "addProgressiveDoneListener",
+    value: function addProgressiveDoneListener(listener) {
+      this._progressiveDoneListeners.push(listener);
+    }
+  }, {
+    key: "onDataRange",
+    value: function onDataRange(begin, chunk) {
+      var _iteratorNormalCompletion = true;
+      var _didIteratorError = false;
+      var _iteratorError = undefined;
+
+      try {
+        for (var _iterator = this._rangeListeners[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
+          var listener = _step.value;
+          listener(begin, chunk);
+        }
+      } catch (err) {
+        _didIteratorError = true;
+        _iteratorError = err;
+      } finally {
+        try {
+          if (!_iteratorNormalCompletion && _iterator["return"] != null) {
+            _iterator["return"]();
+          }
+        } finally {
+          if (_didIteratorError) {
+            throw _iteratorError;
+          }
+        }
+      }
+    }
+  }, {
+    key: "onDataProgress",
+    value: function onDataProgress(loaded, total) {
+      var _this2 = this;
+
+      this._readyCapability.promise.then(function () {
+        var _iteratorNormalCompletion2 = true;
+        var _didIteratorError2 = false;
+        var _iteratorError2 = undefined;
+
+        try {
+          for (var _iterator2 = _this2._progressListeners[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
+            var listener = _step2.value;
+            listener(loaded, total);
+          }
+        } catch (err) {
+          _didIteratorError2 = true;
+          _iteratorError2 = err;
+        } finally {
+          try {
+            if (!_iteratorNormalCompletion2 && _iterator2["return"] != null) {
+              _iterator2["return"]();
+            }
+          } finally {
+            if (_didIteratorError2) {
+              throw _iteratorError2;
+            }
+          }
+        }
+      });
+    }
+  }, {
+    key: "onDataProgressiveRead",
+    value: function onDataProgressiveRead(chunk) {
+      var _this3 = this;
+
+      this._readyCapability.promise.then(function () {
+        var _iteratorNormalCompletion3 = true;
+        var _didIteratorError3 = false;
+        var _iteratorError3 = undefined;
+
+        try {
+          for (var _iterator3 = _this3._progressiveReadListeners[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) {
+            var listener = _step3.value;
+            listener(chunk);
+          }
+        } catch (err) {
+          _didIteratorError3 = true;
+          _iteratorError3 = err;
+        } finally {
+          try {
+            if (!_iteratorNormalCompletion3 && _iterator3["return"] != null) {
+              _iterator3["return"]();
+            }
+          } finally {
+            if (_didIteratorError3) {
+              throw _iteratorError3;
+            }
+          }
+        }
+      });
+    }
+  }, {
+    key: "onDataProgressiveDone",
+    value: function onDataProgressiveDone() {
+      var _this4 = this;
+
+      this._readyCapability.promise.then(function () {
+        var _iteratorNormalCompletion4 = true;
+        var _didIteratorError4 = false;
+        var _iteratorError4 = undefined;
+
+        try {
+          for (var _iterator4 = _this4._progressiveDoneListeners[Symbol.iterator](), _step4; !(_iteratorNormalCompletion4 = (_step4 = _iterator4.next()).done); _iteratorNormalCompletion4 = true) {
+            var listener = _step4.value;
+            listener();
+          }
+        } catch (err) {
+          _didIteratorError4 = true;
+          _iteratorError4 = err;
+        } finally {
+          try {
+            if (!_iteratorNormalCompletion4 && _iterator4["return"] != null) {
+              _iterator4["return"]();
+            }
+          } finally {
+            if (_didIteratorError4) {
+              throw _iteratorError4;
+            }
+          }
+        }
+      });
+    }
+  }, {
+    key: "transportReady",
+    value: function transportReady() {
+      this._readyCapability.resolve();
+    }
+  }, {
+    key: "requestDataRange",
+    value: function requestDataRange(begin, end) {
+      (0, _util.unreachable)('Abstract method PDFDataRangeTransport.requestDataRange');
+    }
+  }, {
+    key: "abort",
+    value: function abort() {}
+  }]);
+
+  return PDFDataRangeTransport;
+}();
+
+exports.PDFDataRangeTransport = PDFDataRangeTransport;
+
+var PDFDocumentProxy =
+/*#__PURE__*/
+function () {
+  function PDFDocumentProxy(pdfInfo, transport) {
+    _classCallCheck(this, PDFDocumentProxy);
+
+    this._pdfInfo = pdfInfo;
+    this._transport = transport;
+  }
+
+  _createClass(PDFDocumentProxy, [{
+    key: "getPage",
+    value: function getPage(pageNumber) {
+      return this._transport.getPage(pageNumber);
+    }
+  }, {
+    key: "getPageIndex",
+    value: function getPageIndex(ref) {
+      return this._transport.getPageIndex(ref);
+    }
+  }, {
+    key: "getDestinations",
+    value: function getDestinations() {
+      return this._transport.getDestinations();
+    }
+  }, {
+    key: "getDestination",
+    value: function getDestination(id) {
+      return this._transport.getDestination(id);
+    }
+  }, {
+    key: "getPageLabels",
+    value: function getPageLabels() {
+      return this._transport.getPageLabels();
+    }
+  }, {
+    key: "getPageLayout",
+    value: function getPageLayout() {
+      return this._transport.getPageLayout();
+    }
+  }, {
+    key: "getPageMode",
+    value: function getPageMode() {
+      return this._transport.getPageMode();
+    }
+  }, {
+    key: "getViewerPreferences",
+    value: function getViewerPreferences() {
+      return this._transport.getViewerPreferences();
+    }
+  }, {
+    key: "getOpenActionDestination",
+    value: function getOpenActionDestination() {
+      return this._transport.getOpenActionDestination();
+    }
+  }, {
+    key: "getAttachments",
+    value: function getAttachments() {
+      return this._transport.getAttachments();
+    }
+  }, {
+    key: "getJavaScript",
+    value: function getJavaScript() {
+      return this._transport.getJavaScript();
+    }
+  }, {
+    key: "getOutline",
+    value: function getOutline() {
+      return this._transport.getOutline();
+    }
+  }, {
+    key: "getPermissions",
+    value: function getPermissions() {
+      return this._transport.getPermissions();
+    }
+  }, {
+    key: "getMetadata",
+    value: function getMetadata() {
+      return this._transport.getMetadata();
+    }
+  }, {
+    key: "getData",
+    value: function getData() {
+      return this._transport.getData();
+    }
+  }, {
+    key: "getDownloadInfo",
+    value: function getDownloadInfo() {
+      return this._transport.downloadInfoCapability.promise;
+    }
+  }, {
+    key: "getStats",
+    value: function getStats() {
+      return this._transport.getStats();
+    }
+  }, {
+    key: "cleanup",
+    value: function cleanup() {
+      this._transport.startCleanup();
+    }
+  }, {
+    key: "destroy",
+    value: function destroy() {
+      return this.loadingTask.destroy();
+    }
+  }, {
+    key: "numPages",
+    get: function get() {
+      return this._pdfInfo.numPages;
+    }
+  }, {
+    key: "fingerprint",
+    get: function get() {
+      return this._pdfInfo.fingerprint;
+    }
+  }, {
+    key: "loadingParams",
+    get: function get() {
+      return this._transport.loadingParams;
+    }
+  }, {
+    key: "loadingTask",
+    get: function get() {
+      return this._transport.loadingTask;
+    }
+  }]);
+
+  return PDFDocumentProxy;
+}();
+
+exports.PDFDocumentProxy = PDFDocumentProxy;
+
+var PDFPageProxy =
+/*#__PURE__*/
+function () {
+  function PDFPageProxy(pageIndex, pageInfo, transport) {
+    var pdfBug = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : false;
+
+    _classCallCheck(this, PDFPageProxy);
+
+    this.pageIndex = pageIndex;
+    this._pageInfo = pageInfo;
+    this._transport = transport;
+    this._stats = pdfBug ? new _display_utils.StatTimer() : _display_utils.DummyStatTimer;
+    this._pdfBug = pdfBug;
+    this.commonObjs = transport.commonObjs;
+    this.objs = new PDFObjects();
+    this.cleanupAfterRender = false;
+    this.pendingCleanup = false;
+    this.intentStates = Object.create(null);
+    this.destroyed = false;
+  }
+
+  _createClass(PDFPageProxy, [{
+    key: "getViewport",
+    value: function getViewport() {
+      var _ref = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+          scale = _ref.scale,
+          _ref$rotation = _ref.rotation,
+          rotation = _ref$rotation === void 0 ? this.rotate : _ref$rotation,
+          _ref$dontFlip = _ref.dontFlip,
+          dontFlip = _ref$dontFlip === void 0 ? false : _ref$dontFlip;
+
+      if (arguments.length > 1 || typeof arguments[0] === 'number') {
+        (0, _display_utils.deprecated)('getViewport is called with obsolete arguments.');
+        scale = arguments[0];
+        rotation = typeof arguments[1] === 'number' ? arguments[1] : this.rotate;
+        dontFlip = typeof arguments[2] === 'boolean' ? arguments[2] : false;
+      }
+
+      return new _display_utils.PageViewport({
+        viewBox: this.view,
+        scale: scale,
+        rotation: rotation,
+        dontFlip: dontFlip
+      });
+    }
+  }, {
+    key: "getAnnotations",
+    value: function getAnnotations() {
+      var _ref2 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+          _ref2$intent = _ref2.intent,
+          intent = _ref2$intent === void 0 ? null : _ref2$intent;
+
+      if (!this.annotationsPromise || this.annotationsIntent !== intent) {
+        this.annotationsPromise = this._transport.getAnnotations(this.pageIndex, intent);
+        this.annotationsIntent = intent;
+      }
+
+      return this.annotationsPromise;
+    }
+  }, {
+    key: "render",
+    value: function render(_ref3) {
+      var _this5 = this;
+
+      var canvasContext = _ref3.canvasContext,
+          viewport = _ref3.viewport,
+          _ref3$intent = _ref3.intent,
+          intent = _ref3$intent === void 0 ? 'display' : _ref3$intent,
+          _ref3$enableWebGL = _ref3.enableWebGL,
+          enableWebGL = _ref3$enableWebGL === void 0 ? false : _ref3$enableWebGL,
+          _ref3$renderInteracti = _ref3.renderInteractiveForms,
+          renderInteractiveForms = _ref3$renderInteracti === void 0 ? false : _ref3$renderInteracti,
+          _ref3$transform = _ref3.transform,
+          transform = _ref3$transform === void 0 ? null : _ref3$transform,
+          _ref3$imageLayer = _ref3.imageLayer,
+          imageLayer = _ref3$imageLayer === void 0 ? null : _ref3$imageLayer,
+          _ref3$canvasFactory = _ref3.canvasFactory,
+          canvasFactory = _ref3$canvasFactory === void 0 ? null : _ref3$canvasFactory,
+          _ref3$background = _ref3.background,
+          background = _ref3$background === void 0 ? null : _ref3$background;
+      var stats = this._stats;
+      stats.time('Overall');
+      this.pendingCleanup = false;
+      var renderingIntent = intent === 'print' ? 'print' : 'display';
+      var canvasFactoryInstance = canvasFactory || new _display_utils.DOMCanvasFactory();
+      var webGLContext = new _webgl.WebGLContext({
+        enable: enableWebGL
+      });
+
+      if (!this.intentStates[renderingIntent]) {
+        this.intentStates[renderingIntent] = Object.create(null);
+      }
+
+      var intentState = this.intentStates[renderingIntent];
+
+      if (!intentState.displayReadyCapability) {
+        intentState.receivingOperatorList = true;
+        intentState.displayReadyCapability = (0, _util.createPromiseCapability)();
+        intentState.operatorList = {
+          fnArray: [],
+          argsArray: [],
+          lastChunk: false
+        };
+        stats.time('Page Request');
+
+        this._transport.messageHandler.send('RenderPageRequest', {
+          pageIndex: this.pageNumber - 1,
+          intent: renderingIntent,
+          renderInteractiveForms: renderInteractiveForms === true
+        });
+      }
+
+      var complete = function complete(error) {
+        var i = intentState.renderTasks.indexOf(internalRenderTask);
+
+        if (i >= 0) {
+          intentState.renderTasks.splice(i, 1);
+        }
+
+        if (_this5.cleanupAfterRender || renderingIntent === 'print') {
+          _this5.pendingCleanup = true;
+        }
+
+        _this5._tryCleanup();
+
+        if (error) {
+          internalRenderTask.capability.reject(error);
+        } else {
+          internalRenderTask.capability.resolve();
+        }
+
+        stats.timeEnd('Rendering');
+        stats.timeEnd('Overall');
+      };
+
+      var internalRenderTask = new InternalRenderTask({
+        callback: complete,
+        params: {
+          canvasContext: canvasContext,
+          viewport: viewport,
+          transform: transform,
+          imageLayer: imageLayer,
+          background: background
+        },
+        objs: this.objs,
+        commonObjs: this.commonObjs,
+        operatorList: intentState.operatorList,
+        pageNumber: this.pageNumber,
+        canvasFactory: canvasFactoryInstance,
+        webGLContext: webGLContext,
+        useRequestAnimationFrame: renderingIntent !== 'print',
+        pdfBug: this._pdfBug
+      });
+
+      if (!intentState.renderTasks) {
+        intentState.renderTasks = [];
+      }
+
+      intentState.renderTasks.push(internalRenderTask);
+      var renderTask = internalRenderTask.task;
+      intentState.displayReadyCapability.promise.then(function (transparency) {
+        if (_this5.pendingCleanup) {
+          complete();
+          return;
+        }
+
+        stats.time('Rendering');
+        internalRenderTask.initializeGraphics(transparency);
+        internalRenderTask.operatorListChanged();
+      })["catch"](complete);
+      return renderTask;
+    }
+  }, {
+    key: "getOperatorList",
+    value: function getOperatorList() {
+      function operatorListChanged() {
+        if (intentState.operatorList.lastChunk) {
+          intentState.opListReadCapability.resolve(intentState.operatorList);
+          var i = intentState.renderTasks.indexOf(opListTask);
+
+          if (i >= 0) {
+            intentState.renderTasks.splice(i, 1);
+          }
+        }
+      }
+
+      var renderingIntent = 'oplist';
+
+      if (!this.intentStates[renderingIntent]) {
+        this.intentStates[renderingIntent] = Object.create(null);
+      }
+
+      var intentState = this.intentStates[renderingIntent];
+      var opListTask;
+
+      if (!intentState.opListReadCapability) {
+        opListTask = {};
+        opListTask.operatorListChanged = operatorListChanged;
+        intentState.receivingOperatorList = true;
+        intentState.opListReadCapability = (0, _util.createPromiseCapability)();
+        intentState.renderTasks = [];
+        intentState.renderTasks.push(opListTask);
+        intentState.operatorList = {
+          fnArray: [],
+          argsArray: [],
+          lastChunk: false
+        };
+
+        this._stats.time('Page Request');
+
+        this._transport.messageHandler.send('RenderPageRequest', {
+          pageIndex: this.pageIndex,
+          intent: renderingIntent
+        });
+      }
+
+      return intentState.opListReadCapability.promise;
+    }
+  }, {
+    key: "streamTextContent",
+    value: function streamTextContent() {
+      var _ref4 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+          _ref4$normalizeWhites = _ref4.normalizeWhitespace,
+          normalizeWhitespace = _ref4$normalizeWhites === void 0 ? false : _ref4$normalizeWhites,
+          _ref4$disableCombineT = _ref4.disableCombineTextItems,
+          disableCombineTextItems = _ref4$disableCombineT === void 0 ? false : _ref4$disableCombineT;
+
+      var TEXT_CONTENT_CHUNK_SIZE = 100;
+      return this._transport.messageHandler.sendWithStream('GetTextContent', {
+        pageIndex: this.pageNumber - 1,
+        normalizeWhitespace: normalizeWhitespace === true,
+        combineTextItems: disableCombineTextItems !== true
+      }, {
+        highWaterMark: TEXT_CONTENT_CHUNK_SIZE,
+        size: function size(textContent) {
+          return textContent.items.length;
+        }
+      });
+    }
+  }, {
+    key: "getTextContent",
+    value: function getTextContent() {
+      var params = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};
+      var readableStream = this.streamTextContent(params);
+      return new Promise(function (resolve, reject) {
+        function pump() {
+          reader.read().then(function (_ref5) {
+            var _textContent$items;
+
+            var value = _ref5.value,
+                done = _ref5.done;
+
+            if (done) {
+              resolve(textContent);
+              return;
+            }
+
+            Object.assign(textContent.styles, value.styles);
+
+            (_textContent$items = textContent.items).push.apply(_textContent$items, _toConsumableArray(value.items));
+
+            pump();
+          }, reject);
+        }
+
+        var reader = readableStream.getReader();
+        var textContent = {
+          items: [],
+          styles: Object.create(null)
+        };
+        pump();
+      });
+    }
+  }, {
+    key: "_destroy",
+    value: function _destroy() {
+      this.destroyed = true;
+      this._transport.pageCache[this.pageIndex] = null;
+      var waitOn = [];
+      Object.keys(this.intentStates).forEach(function (intent) {
+        if (intent === 'oplist') {
+          return;
+        }
+
+        var intentState = this.intentStates[intent];
+        intentState.renderTasks.forEach(function (renderTask) {
+          var renderCompleted = renderTask.capability.promise["catch"](function () {});
+          waitOn.push(renderCompleted);
+          renderTask.cancel();
+        });
+      }, this);
+      this.objs.clear();
+      this.annotationsPromise = null;
+      this.pendingCleanup = false;
+      return Promise.all(waitOn);
+    }
+  }, {
+    key: "cleanup",
+    value: function cleanup() {
+      var resetStats = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+      this.pendingCleanup = true;
+
+      this._tryCleanup(resetStats);
+    }
+  }, {
+    key: "_tryCleanup",
+    value: function _tryCleanup() {
+      var resetStats = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+
+      if (!this.pendingCleanup || Object.keys(this.intentStates).some(function (intent) {
+        var intentState = this.intentStates[intent];
+        return intentState.renderTasks.length !== 0 || intentState.receivingOperatorList;
+      }, this)) {
+        return;
+      }
+
+      Object.keys(this.intentStates).forEach(function (intent) {
+        delete this.intentStates[intent];
+      }, this);
+      this.objs.clear();
+      this.annotationsPromise = null;
+
+      if (resetStats && this._stats instanceof _display_utils.StatTimer) {
+        this._stats = new _display_utils.StatTimer();
+      }
+
+      this.pendingCleanup = false;
+    }
+  }, {
+    key: "_startRenderPage",
+    value: function _startRenderPage(transparency, intent) {
+      var intentState = this.intentStates[intent];
+
+      if (intentState.displayReadyCapability) {
+        intentState.displayReadyCapability.resolve(transparency);
+      }
+    }
+  }, {
+    key: "_renderPageChunk",
+    value: function _renderPageChunk(operatorListChunk, intent) {
+      var intentState = this.intentStates[intent];
+
+      for (var i = 0, ii = operatorListChunk.length; i < ii; i++) {
+        intentState.operatorList.fnArray.push(operatorListChunk.fnArray[i]);
+        intentState.operatorList.argsArray.push(operatorListChunk.argsArray[i]);
+      }
+
+      intentState.operatorList.lastChunk = operatorListChunk.lastChunk;
+
+      for (var _i = 0; _i < intentState.renderTasks.length; _i++) {
+        intentState.renderTasks[_i].operatorListChanged();
+      }
+
+      if (operatorListChunk.lastChunk) {
+        intentState.receivingOperatorList = false;
+
+        this._tryCleanup();
+      }
+    }
+  }, {
+    key: "pageNumber",
+    get: function get() {
+      return this.pageIndex + 1;
+    }
+  }, {
+    key: "rotate",
+    get: function get() {
+      return this._pageInfo.rotate;
+    }
+  }, {
+    key: "ref",
+    get: function get() {
+      return this._pageInfo.ref;
+    }
+  }, {
+    key: "userUnit",
+    get: function get() {
+      return this._pageInfo.userUnit;
+    }
+  }, {
+    key: "view",
+    get: function get() {
+      return this._pageInfo.view;
+    }
+  }, {
+    key: "stats",
+    get: function get() {
+      return this._stats instanceof _display_utils.StatTimer ? this._stats : null;
+    }
+  }]);
+
+  return PDFPageProxy;
+}();
+
+exports.PDFPageProxy = PDFPageProxy;
+
+var LoopbackPort =
+/*#__PURE__*/
+function () {
+  function LoopbackPort() {
+    var defer = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;
+
+    _classCallCheck(this, LoopbackPort);
+
+    this._listeners = [];
+    this._defer = defer;
+    this._deferred = Promise.resolve(undefined);
+  }
+
+  _createClass(LoopbackPort, [{
+    key: "postMessage",
+    value: function postMessage(obj, transfers) {
+      var _this6 = this;
+
+      function cloneValue(value) {
+        if (_typeof(value) !== 'object' || value === null) {
+          return value;
+        }
+
+        if (cloned.has(value)) {
+          return cloned.get(value);
+        }
+
+        var buffer, result;
+
+        if ((buffer = value.buffer) && (0, _util.isArrayBuffer)(buffer)) {
+          var transferable = transfers && transfers.includes(buffer);
+
+          if (value === buffer) {
+            result = value;
+          } else if (transferable) {
+            result = new value.constructor(buffer, value.byteOffset, value.byteLength);
+          } else {
+            result = new value.constructor(value);
+          }
+
+          cloned.set(value, result);
+          return result;
+        }
+
+        result = Array.isArray(value) ? [] : {};
+        cloned.set(value, result);
+
+        for (var i in value) {
+          var desc = void 0,
+              p = value;
+
+          while (!(desc = Object.getOwnPropertyDescriptor(p, i))) {
+            p = Object.getPrototypeOf(p);
+          }
+
+          if (typeof desc.value === 'undefined' || typeof desc.value === 'function') {
+            continue;
+          }
+
+          result[i] = cloneValue(desc.value);
+        }
+
+        return result;
+      }
+
+      if (!this._defer) {
+        this._listeners.forEach(function (listener) {
+          listener.call(this, {
+            data: obj
+          });
+        }, this);
+
+        return;
+      }
+
+      var cloned = new WeakMap();
+      var e = {
+        data: cloneValue(obj)
+      };
+
+      this._deferred.then(function () {
+        _this6._listeners.forEach(function (listener) {
+          listener.call(this, e);
+        }, _this6);
+      });
+    }
+  }, {
+    key: "addEventListener",
+    value: function addEventListener(name, listener) {
+      this._listeners.push(listener);
+    }
+  }, {
+    key: "removeEventListener",
+    value: function removeEventListener(name, listener) {
+      var i = this._listeners.indexOf(listener);
+
+      this._listeners.splice(i, 1);
+    }
+  }, {
+    key: "terminate",
+    value: function terminate() {
+      this._listeners.length = 0;
+    }
+  }]);
+
+  return LoopbackPort;
+}();
+
+exports.LoopbackPort = LoopbackPort;
+
+var PDFWorker = function PDFWorkerClosure() {
+  var pdfWorkerPorts = new WeakMap();
+  var nextFakeWorkerId = 0;
+  var fakeWorkerFilesLoadedCapability;
+
+  function _getWorkerSrc() {
+    if (_worker_options.GlobalWorkerOptions.workerSrc) {
+      return _worker_options.GlobalWorkerOptions.workerSrc;
+    }
+
+    if (typeof fallbackWorkerSrc !== 'undefined') {
+      return fallbackWorkerSrc;
+    }
+
+    throw new Error('No "GlobalWorkerOptions.workerSrc" specified.');
+  }
+
+  function getMainThreadWorkerMessageHandler() {
+    try {
+      if (typeof window !== 'undefined') {
+        return window.pdfjsWorker && window.pdfjsWorker.WorkerMessageHandler;
+      }
+    } catch (ex) {}
+
+    return null;
+  }
+
+  function setupFakeWorkerGlobal() {
+    if (fakeWorkerFilesLoadedCapability) {
+      return fakeWorkerFilesLoadedCapability.promise;
+    }
+
+    fakeWorkerFilesLoadedCapability = (0, _util.createPromiseCapability)();
+    var mainWorkerMessageHandler = getMainThreadWorkerMessageHandler();
+
+    if (mainWorkerMessageHandler) {
+      fakeWorkerFilesLoadedCapability.resolve(mainWorkerMessageHandler);
+      return fakeWorkerFilesLoadedCapability.promise;
+    }
+
+    var loader = fakeWorkerFilesLoader || function () {
+      return (0, _display_utils.loadScript)(_getWorkerSrc()).then(function () {
+        return window.pdfjsWorker.WorkerMessageHandler;
+      });
+    };
+
+    loader().then(fakeWorkerFilesLoadedCapability.resolve, fakeWorkerFilesLoadedCapability.reject);
+    return fakeWorkerFilesLoadedCapability.promise;
+  }
+
+  function createCDNWrapper(url) {
+    var wrapper = 'importScripts(\'' + url + '\');';
+    return _util.URL.createObjectURL(new Blob([wrapper]));
+  }
+
+  var PDFWorker =
+  /*#__PURE__*/
+  function () {
+    function PDFWorker() {
+      var _ref6 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+          _ref6$name = _ref6.name,
+          name = _ref6$name === void 0 ? null : _ref6$name,
+          _ref6$port = _ref6.port,
+          port = _ref6$port === void 0 ? null : _ref6$port,
+          _ref6$postMessageTran = _ref6.postMessageTransfers,
+          postMessageTransfers = _ref6$postMessageTran === void 0 ? true : _ref6$postMessageTran,
+          _ref6$verbosity = _ref6.verbosity,
+          verbosity = _ref6$verbosity === void 0 ? (0, _util.getVerbosityLevel)() : _ref6$verbosity;
+
+      _classCallCheck(this, PDFWorker);
+
+      if (port && pdfWorkerPorts.has(port)) {
+        throw new Error('Cannot use more than one PDFWorker per port');
+      }
+
+      this.name = name;
+      this.destroyed = false;
+      this.postMessageTransfers = postMessageTransfers !== false;
+      this.verbosity = verbosity;
+      this._readyCapability = (0, _util.createPromiseCapability)();
+      this._port = null;
+      this._webWorker = null;
+      this._messageHandler = null;
+
+      if (port) {
+        pdfWorkerPorts.set(port, this);
+
+        this._initializeFromPort(port);
+
+        return;
+      }
+
+      this._initialize();
+    }
+
+    _createClass(PDFWorker, [{
+      key: "_initializeFromPort",
+      value: function _initializeFromPort(port) {
+        this._port = port;
+        this._messageHandler = new _message_handler.MessageHandler('main', 'worker', port);
+
+        this._messageHandler.on('ready', function () {});
+
+        this._readyCapability.resolve();
+      }
+    }, {
+      key: "_initialize",
+      value: function _initialize() {
+        var _this7 = this;
+
+        if (typeof Worker !== 'undefined' && !isWorkerDisabled && !getMainThreadWorkerMessageHandler()) {
+          var workerSrc = _getWorkerSrc();
+
+          try {
+            if (!(0, _util.isSameOrigin)(window.location.href, workerSrc)) {
+              workerSrc = createCDNWrapper(new _util.URL(workerSrc, window.location).href);
+            }
+
+            var worker = new Worker(workerSrc);
+            var messageHandler = new _message_handler.MessageHandler('main', 'worker', worker);
+
+            var terminateEarly = function terminateEarly() {
+              worker.removeEventListener('error', onWorkerError);
+              messageHandler.destroy();
+              worker.terminate();
+
+              if (_this7.destroyed) {
+                _this7._readyCapability.reject(new Error('Worker was destroyed'));
+              } else {
+                _this7._setupFakeWorker();
+              }
+            };
+
+            var onWorkerError = function onWorkerError() {
+              if (!_this7._webWorker) {
+                terminateEarly();
+              }
+            };
+
+            worker.addEventListener('error', onWorkerError);
+            messageHandler.on('test', function (data) {
+              worker.removeEventListener('error', onWorkerError);
+
+              if (_this7.destroyed) {
+                terminateEarly();
+                return;
+              }
+
+              if (data && data.supportTypedArray) {
+                _this7._messageHandler = messageHandler;
+                _this7._port = worker;
+                _this7._webWorker = worker;
+
+                if (!data.supportTransfers) {
+                  _this7.postMessageTransfers = false;
+                }
+
+                _this7._readyCapability.resolve();
+
+                messageHandler.send('configure', {
+                  verbosity: _this7.verbosity
+                });
+              } else {
+                _this7._setupFakeWorker();
+
+                messageHandler.destroy();
+                worker.terminate();
+              }
+            });
+            messageHandler.on('ready', function (data) {
+              worker.removeEventListener('error', onWorkerError);
+
+              if (_this7.destroyed) {
+                terminateEarly();
+                return;
+              }
+
+              try {
+                sendTest();
+              } catch (e) {
+                _this7._setupFakeWorker();
+              }
+            });
+
+            var sendTest = function sendTest() {
+              var testObj = new Uint8Array([_this7.postMessageTransfers ? 255 : 0]);
+
+              try {
+                messageHandler.send('test', testObj, [testObj.buffer]);
+              } catch (ex) {
+                (0, _util.info)('Cannot use postMessage transfers');
+                testObj[0] = 0;
+                messageHandler.send('test', testObj);
+              }
+            };
+
+            sendTest();
+            return;
+          } catch (e) {
+            (0, _util.info)('The worker has been disabled.');
+          }
+        }
+
+        this._setupFakeWorker();
+      }
+    }, {
+      key: "_setupFakeWorker",
+      value: function _setupFakeWorker() {
+        var _this8 = this;
+
+        if (!isWorkerDisabled) {
+          (0, _util.warn)('Setting up fake worker.');
+          isWorkerDisabled = true;
+        }
+
+        setupFakeWorkerGlobal().then(function (WorkerMessageHandler) {
+          if (_this8.destroyed) {
+            _this8._readyCapability.reject(new Error('Worker was destroyed'));
+
+            return;
+          }
+
+          var port = new LoopbackPort();
+          _this8._port = port;
+          var id = 'fake' + nextFakeWorkerId++;
+          var workerHandler = new _message_handler.MessageHandler(id + '_worker', id, port);
+          WorkerMessageHandler.setup(workerHandler, port);
+          var messageHandler = new _message_handler.MessageHandler(id, id + '_worker', port);
+          _this8._messageHandler = messageHandler;
+
+          _this8._readyCapability.resolve();
+        })["catch"](function (reason) {
+          _this8._readyCapability.reject(new Error("Setting up fake worker failed: \"".concat(reason.message, "\".")));
+        });
+      }
+    }, {
+      key: "destroy",
+      value: function destroy() {
+        this.destroyed = true;
+
+        if (this._webWorker) {
+          this._webWorker.terminate();
+
+          this._webWorker = null;
+        }
+
+        pdfWorkerPorts["delete"](this._port);
+        this._port = null;
+
+        if (this._messageHandler) {
+          this._messageHandler.destroy();
+
+          this._messageHandler = null;
+        }
+      }
+    }, {
+      key: "promise",
+      get: function get() {
+        return this._readyCapability.promise;
+      }
+    }, {
+      key: "port",
+      get: function get() {
+        return this._port;
+      }
+    }, {
+      key: "messageHandler",
+      get: function get() {
+        return this._messageHandler;
+      }
+    }], [{
+      key: "fromPort",
+      value: function fromPort(params) {
+        if (!params || !params.port) {
+          throw new Error('PDFWorker.fromPort - invalid method signature.');
+        }
+
+        if (pdfWorkerPorts.has(params.port)) {
+          return pdfWorkerPorts.get(params.port);
+        }
+
+        return new PDFWorker(params);
+      }
+    }, {
+      key: "getWorkerSrc",
+      value: function getWorkerSrc() {
+        return _getWorkerSrc();
+      }
+    }]);
+
+    return PDFWorker;
+  }();
+
+  return PDFWorker;
+}();
+
+exports.PDFWorker = PDFWorker;
+
+var WorkerTransport =
+/*#__PURE__*/
+function () {
+  function WorkerTransport(messageHandler, loadingTask, networkStream, params) {
+    _classCallCheck(this, WorkerTransport);
+
+    this.messageHandler = messageHandler;
+    this.loadingTask = loadingTask;
+    this.commonObjs = new PDFObjects();
+    this.fontLoader = new _font_loader.FontLoader({
+      docId: loadingTask.docId,
+      onUnsupportedFeature: this._onUnsupportedFeature.bind(this)
+    });
+    this._params = params;
+    this.CMapReaderFactory = new params.CMapReaderFactory({
+      baseUrl: params.cMapUrl,
+      isCompressed: params.cMapPacked
+    });
+    this.destroyed = false;
+    this.destroyCapability = null;
+    this._passwordCapability = null;
+    this._networkStream = networkStream;
+    this._fullReader = null;
+    this._lastProgress = null;
+    this.pageCache = [];
+    this.pagePromises = [];
+    this.downloadInfoCapability = (0, _util.createPromiseCapability)();
+    this.setupMessageHandler();
+  }
+
+  _createClass(WorkerTransport, [{
+    key: "destroy",
+    value: function destroy() {
+      var _this9 = this;
+
+      if (this.destroyCapability) {
+        return this.destroyCapability.promise;
+      }
+
+      this.destroyed = true;
+      this.destroyCapability = (0, _util.createPromiseCapability)();
+
+      if (this._passwordCapability) {
+        this._passwordCapability.reject(new Error('Worker was destroyed during onPassword callback'));
+      }
+
+      var waitOn = [];
+      this.pageCache.forEach(function (page) {
+        if (page) {
+          waitOn.push(page._destroy());
+        }
+      });
+      this.pageCache.length = 0;
+      this.pagePromises.length = 0;
+      var terminated = this.messageHandler.sendWithPromise('Terminate', null);
+      waitOn.push(terminated);
+      Promise.all(waitOn).then(function () {
+        _this9.fontLoader.clear();
+
+        if (_this9._networkStream) {
+          _this9._networkStream.cancelAllRequests();
+        }
+
+        if (_this9.messageHandler) {
+          _this9.messageHandler.destroy();
+
+          _this9.messageHandler = null;
+        }
+
+        _this9.destroyCapability.resolve();
+      }, this.destroyCapability.reject);
+      return this.destroyCapability.promise;
+    }
+  }, {
+    key: "setupMessageHandler",
+    value: function setupMessageHandler() {
+      var messageHandler = this.messageHandler,
+          loadingTask = this.loadingTask;
+      messageHandler.on('GetReader', function (data, sink) {
+        var _this10 = this;
+
+        (0, _util.assert)(this._networkStream);
+        this._fullReader = this._networkStream.getFullReader();
+
+        this._fullReader.onProgress = function (evt) {
+          _this10._lastProgress = {
+            loaded: evt.loaded,
+            total: evt.total
+          };
+        };
+
+        sink.onPull = function () {
+          _this10._fullReader.read().then(function (_ref7) {
+            var value = _ref7.value,
+                done = _ref7.done;
+
+            if (done) {
+              sink.close();
+              return;
+            }
+
+            (0, _util.assert)((0, _util.isArrayBuffer)(value));
+            sink.enqueue(new Uint8Array(value), 1, [value]);
+          })["catch"](function (reason) {
+            sink.error(reason);
+          });
+        };
+
+        sink.onCancel = function (reason) {
+          _this10._fullReader.cancel(reason);
+        };
+      }, this);
+      messageHandler.on('ReaderHeadersReady', function (data) {
+        var _this11 = this;
+
+        var headersCapability = (0, _util.createPromiseCapability)();
+        var fullReader = this._fullReader;
+        fullReader.headersReady.then(function () {
+          if (!fullReader.isStreamingSupported || !fullReader.isRangeSupported) {
+            if (_this11._lastProgress && loadingTask.onProgress) {
+              loadingTask.onProgress(_this11._lastProgress);
+            }
+
+            fullReader.onProgress = function (evt) {
+              if (loadingTask.onProgress) {
+                loadingTask.onProgress({
+                  loaded: evt.loaded,
+                  total: evt.total
+                });
+              }
+            };
+          }
+
+          headersCapability.resolve({
+            isStreamingSupported: fullReader.isStreamingSupported,
+            isRangeSupported: fullReader.isRangeSupported,
+            contentLength: fullReader.contentLength
+          });
+        }, headersCapability.reject);
+        return headersCapability.promise;
+      }, this);
+      messageHandler.on('GetRangeReader', function (data, sink) {
+        (0, _util.assert)(this._networkStream);
+
+        var rangeReader = this._networkStream.getRangeReader(data.begin, data.end);
+
+        if (!rangeReader) {
+          sink.close();
+          return;
+        }
+
+        sink.onPull = function () {
+          rangeReader.read().then(function (_ref8) {
+            var value = _ref8.value,
+                done = _ref8.done;
+
+            if (done) {
+              sink.close();
+              return;
+            }
+
+            (0, _util.assert)((0, _util.isArrayBuffer)(value));
+            sink.enqueue(new Uint8Array(value), 1, [value]);
+          })["catch"](function (reason) {
+            sink.error(reason);
+          });
+        };
+
+        sink.onCancel = function (reason) {
+          rangeReader.cancel(reason);
+        };
+      }, this);
+      messageHandler.on('GetDoc', function (_ref9) {
+        var pdfInfo = _ref9.pdfInfo;
+        this._numPages = pdfInfo.numPages;
+
+        loadingTask._capability.resolve(new PDFDocumentProxy(pdfInfo, this));
+      }, this);
+      messageHandler.on('PasswordRequest', function (exception) {
+        var _this12 = this;
+
+        this._passwordCapability = (0, _util.createPromiseCapability)();
+
+        if (loadingTask.onPassword) {
+          var updatePassword = function updatePassword(password) {
+            _this12._passwordCapability.resolve({
+              password: password
+            });
+          };
+
+          try {
+            loadingTask.onPassword(updatePassword, exception.code);
+          } catch (ex) {
+            this._passwordCapability.reject(ex);
+          }
+        } else {
+          this._passwordCapability.reject(new _util.PasswordException(exception.message, exception.code));
+        }
+
+        return this._passwordCapability.promise;
+      }, this);
+      messageHandler.on('PasswordException', function (exception) {
+        loadingTask._capability.reject(new _util.PasswordException(exception.message, exception.code));
+      }, this);
+      messageHandler.on('InvalidPDF', function (exception) {
+        loadingTask._capability.reject(new _util.InvalidPDFException(exception.message));
+      }, this);
+      messageHandler.on('MissingPDF', function (exception) {
+        loadingTask._capability.reject(new _util.MissingPDFException(exception.message));
+      }, this);
+      messageHandler.on('UnexpectedResponse', function (exception) {
+        loadingTask._capability.reject(new _util.UnexpectedResponseException(exception.message, exception.status));
+      }, this);
+      messageHandler.on('UnknownError', function (exception) {
+        loadingTask._capability.reject(new _util.UnknownErrorException(exception.message, exception.details));
+      }, this);
+      messageHandler.on('DataLoaded', function (data) {
+        if (loadingTask.onProgress) {
+          loadingTask.onProgress({
+            loaded: data.length,
+            total: data.length
+          });
+        }
+
+        this.downloadInfoCapability.resolve(data);
+      }, this);
+      messageHandler.on('StartRenderPage', function (data) {
+        if (this.destroyed) {
+          return;
+        }
+
+        var page = this.pageCache[data.pageIndex];
+
+        page._stats.timeEnd('Page Request');
+
+        page._startRenderPage(data.transparency, data.intent);
+      }, this);
+      messageHandler.on('RenderPageChunk', function (data) {
+        if (this.destroyed) {
+          return;
+        }
+
+        var page = this.pageCache[data.pageIndex];
+
+        page._renderPageChunk(data.operatorList, data.intent);
+      }, this);
+      messageHandler.on('commonobj', function (data) {
+        var _this13 = this;
+
+        if (this.destroyed) {
+          return;
+        }
+
+        var _data = _slicedToArray(data, 3),
+            id = _data[0],
+            type = _data[1],
+            exportedData = _data[2];
+
+        if (this.commonObjs.has(id)) {
+          return;
+        }
+
+        switch (type) {
+          case 'Font':
+            var params = this._params;
+
+            if ('error' in exportedData) {
+              var exportedError = exportedData.error;
+              (0, _util.warn)("Error during font loading: ".concat(exportedError));
+              this.commonObjs.resolve(id, exportedError);
+              break;
+            }
+
+            var fontRegistry = null;
+
+            if (params.pdfBug && _global_scope["default"].FontInspector && _global_scope["default"].FontInspector.enabled) {
+              fontRegistry = {
+                registerFont: function registerFont(font, url) {
+                  _global_scope["default"]['FontInspector'].fontAdded(font, url);
+                }
+              };
+            }
+
+            var font = new _font_loader.FontFaceObject(exportedData, {
+              isEvalSupported: params.isEvalSupported,
+              disableFontFace: params.disableFontFace,
+              ignoreErrors: params.ignoreErrors,
+              onUnsupportedFeature: this._onUnsupportedFeature.bind(this),
+              fontRegistry: fontRegistry
+            });
+            this.fontLoader.bind(font).then(function () {
+              _this13.commonObjs.resolve(id, font);
+            }, function (reason) {
+              messageHandler.sendWithPromise('FontFallback', {
+                id: id
+              })["finally"](function () {
+                _this13.commonObjs.resolve(id, font);
+              });
+            });
+            break;
+
+          case 'FontPath':
+          case 'FontType3Res':
+            this.commonObjs.resolve(id, exportedData);
+            break;
+
+          default:
+            throw new Error("Got unknown common object type ".concat(type));
+        }
+      }, this);
+      messageHandler.on('obj', function (data) {
+        if (this.destroyed) {
+          return undefined;
+        }
+
+        var _data2 = _slicedToArray(data, 4),
+            id = _data2[0],
+            pageIndex = _data2[1],
+            type = _data2[2],
+            imageData = _data2[3];
+
+        var pageProxy = this.pageCache[pageIndex];
+
+        if (pageProxy.objs.has(id)) {
+          return undefined;
+        }
+
+        switch (type) {
+          case 'JpegStream':
+            return new Promise(function (resolve, reject) {
+              var img = new Image();
+
+              img.onload = function () {
+                resolve(img);
+              };
+
+              img.onerror = function () {
+                reject(new Error('Error during JPEG image loading'));
+                (0, _display_utils.releaseImageResources)(img);
+              };
+
+              img.src = imageData;
+            }).then(function (img) {
+              pageProxy.objs.resolve(id, img);
+            });
+
+          case 'Image':
+            pageProxy.objs.resolve(id, imageData);
+            var MAX_IMAGE_SIZE_TO_STORE = 8000000;
+
+            if (imageData && 'data' in imageData && imageData.data.length > MAX_IMAGE_SIZE_TO_STORE) {
+              pageProxy.cleanupAfterRender = true;
+            }
+
+            break;
+
+          default:
+            throw new Error("Got unknown object type ".concat(type));
+        }
+
+        return undefined;
+      }, this);
+      messageHandler.on('DocProgress', function (data) {
+        if (this.destroyed) {
+          return;
+        }
+
+        if (loadingTask.onProgress) {
+          loadingTask.onProgress({
+            loaded: data.loaded,
+            total: data.total
+          });
+        }
+      }, this);
+      messageHandler.on('PageError', function (data) {
+        if (this.destroyed) {
+          return;
+        }
+
+        var page = this.pageCache[data.pageIndex];
+        var intentState = page.intentStates[data.intent];
+
+        if (intentState.displayReadyCapability) {
+          intentState.displayReadyCapability.reject(new Error(data.error));
+        } else {
+          throw new Error(data.error);
+        }
+
+        if (intentState.operatorList) {
+          intentState.operatorList.lastChunk = true;
+
+          for (var i = 0; i < intentState.renderTasks.length; i++) {
+            intentState.renderTasks[i].operatorListChanged();
+          }
+        }
+      }, this);
+      messageHandler.on('UnsupportedFeature', this._onUnsupportedFeature, this);
+      messageHandler.on('JpegDecode', function (data) {
+        if (this.destroyed) {
+          return Promise.reject(new Error('Worker was destroyed'));
+        }
+
+        if (typeof document === 'undefined') {
+          return Promise.reject(new Error('"document" is not defined.'));
+        }
+
+        var _data3 = _slicedToArray(data, 2),
+            imageUrl = _data3[0],
+            components = _data3[1];
+
+        if (components !== 3 && components !== 1) {
+          return Promise.reject(new Error('Only 3 components or 1 component can be returned'));
+        }
+
+        return new Promise(function (resolve, reject) {
+          var img = new Image();
+
+          img.onload = function () {
+            var width = img.width,
+                height = img.height;
+            var size = width * height;
+            var rgbaLength = size * 4;
+            var buf = new Uint8ClampedArray(size * components);
+            var tmpCanvas = document.createElement('canvas');
+            tmpCanvas.width = width;
+            tmpCanvas.height = height;
+            var tmpCtx = tmpCanvas.getContext('2d');
+            tmpCtx.drawImage(img, 0, 0);
+            var data = tmpCtx.getImageData(0, 0, width, height).data;
+
+            if (components === 3) {
+              for (var i = 0, j = 0; i < rgbaLength; i += 4, j += 3) {
+                buf[j] = data[i];
+                buf[j + 1] = data[i + 1];
+                buf[j + 2] = data[i + 2];
+              }
+            } else if (components === 1) {
+              for (var _i2 = 0, _j = 0; _i2 < rgbaLength; _i2 += 4, _j++) {
+                buf[_j] = data[_i2];
+              }
+            }
+
+            resolve({
+              data: buf,
+              width: width,
+              height: height
+            });
+            (0, _display_utils.releaseImageResources)(img);
+            tmpCanvas.width = 0;
+            tmpCanvas.height = 0;
+            tmpCanvas = null;
+            tmpCtx = null;
+          };
+
+          img.onerror = function () {
+            reject(new Error('JpegDecode failed to load image'));
+            (0, _display_utils.releaseImageResources)(img);
+          };
+
+          img.src = imageUrl;
+        });
+      }, this);
+      messageHandler.on('FetchBuiltInCMap', function (data) {
+        if (this.destroyed) {
+          return Promise.reject(new Error('Worker was destroyed'));
+        }
+
+        return this.CMapReaderFactory.fetch({
+          name: data.name
+        });
+      }, this);
+    }
+  }, {
+    key: "_onUnsupportedFeature",
+    value: function _onUnsupportedFeature(_ref10) {
+      var featureId = _ref10.featureId;
+
+      if (this.destroyed) {
+        return;
+      }
+
+      if (this.loadingTask.onUnsupportedFeature) {
+        this.loadingTask.onUnsupportedFeature(featureId);
+      }
+    }
+  }, {
+    key: "getData",
+    value: function getData() {
+      return this.messageHandler.sendWithPromise('GetData', null);
+    }
+  }, {
+    key: "getPage",
+    value: function getPage(pageNumber) {
+      var _this14 = this;
+
+      if (!Number.isInteger(pageNumber) || pageNumber <= 0 || pageNumber > this._numPages) {
+        return Promise.reject(new Error('Invalid page request'));
+      }
+
+      var pageIndex = pageNumber - 1;
+
+      if (pageIndex in this.pagePromises) {
+        return this.pagePromises[pageIndex];
+      }
+
+      var promise = this.messageHandler.sendWithPromise('GetPage', {
+        pageIndex: pageIndex
+      }).then(function (pageInfo) {
+        if (_this14.destroyed) {
+          throw new Error('Transport destroyed');
+        }
+
+        var page = new PDFPageProxy(pageIndex, pageInfo, _this14, _this14._params.pdfBug);
+        _this14.pageCache[pageIndex] = page;
+        return page;
+      });
+      this.pagePromises[pageIndex] = promise;
+      return promise;
+    }
+  }, {
+    key: "getPageIndex",
+    value: function getPageIndex(ref) {
+      return this.messageHandler.sendWithPromise('GetPageIndex', {
+        ref: ref
+      })["catch"](function (reason) {
+        return Promise.reject(new Error(reason));
+      });
+    }
+  }, {
+    key: "getAnnotations",
+    value: function getAnnotations(pageIndex, intent) {
+      return this.messageHandler.sendWithPromise('GetAnnotations', {
+        pageIndex: pageIndex,
+        intent: intent
+      });
+    }
+  }, {
+    key: "getDestinations",
+    value: function getDestinations() {
+      return this.messageHandler.sendWithPromise('GetDestinations', null);
+    }
+  }, {
+    key: "getDestination",
+    value: function getDestination(id) {
+      if (typeof id !== 'string') {
+        return Promise.reject(new Error('Invalid destination request.'));
+      }
+
+      return this.messageHandler.sendWithPromise('GetDestination', {
+        id: id
+      });
+    }
+  }, {
+    key: "getPageLabels",
+    value: function getPageLabels() {
+      return this.messageHandler.sendWithPromise('GetPageLabels', null);
+    }
+  }, {
+    key: "getPageLayout",
+    value: function getPageLayout() {
+      return this.messageHandler.sendWithPromise('GetPageLayout', null);
+    }
+  }, {
+    key: "getPageMode",
+    value: function getPageMode() {
+      return this.messageHandler.sendWithPromise('GetPageMode', null);
+    }
+  }, {
+    key: "getViewerPreferences",
+    value: function getViewerPreferences() {
+      return this.messageHandler.sendWithPromise('GetViewerPreferences', null);
+    }
+  }, {
+    key: "getOpenActionDestination",
+    value: function getOpenActionDestination() {
+      return this.messageHandler.sendWithPromise('GetOpenActionDestination', null);
+    }
+  }, {
+    key: "getAttachments",
+    value: function getAttachments() {
+      return this.messageHandler.sendWithPromise('GetAttachments', null);
+    }
+  }, {
+    key: "getJavaScript",
+    value: function getJavaScript() {
+      return this.messageHandler.sendWithPromise('GetJavaScript', null);
+    }
+  }, {
+    key: "getOutline",
+    value: function getOutline() {
+      return this.messageHandler.sendWithPromise('GetOutline', null);
+    }
+  }, {
+    key: "getPermissions",
+    value: function getPermissions() {
+      return this.messageHandler.sendWithPromise('GetPermissions', null);
+    }
+  }, {
+    key: "getMetadata",
+    value: function getMetadata() {
+      var _this15 = this;
+
+      return this.messageHandler.sendWithPromise('GetMetadata', null).then(function (results) {
+        return {
+          info: results[0],
+          metadata: results[1] ? new _metadata.Metadata(results[1]) : null,
+          contentDispositionFilename: _this15._fullReader ? _this15._fullReader.filename : null
+        };
+      });
+    }
+  }, {
+    key: "getStats",
+    value: function getStats() {
+      return this.messageHandler.sendWithPromise('GetStats', null);
+    }
+  }, {
+    key: "startCleanup",
+    value: function startCleanup() {
+      var _this16 = this;
+
+      this.messageHandler.sendWithPromise('Cleanup', null).then(function () {
+        for (var i = 0, ii = _this16.pageCache.length; i < ii; i++) {
+          var page = _this16.pageCache[i];
+
+          if (page) {
+            page.cleanup();
+          }
+        }
+
+        _this16.commonObjs.clear();
+
+        _this16.fontLoader.clear();
+      });
+    }
+  }, {
+    key: "loadingParams",
+    get: function get() {
+      var params = this._params;
+      return (0, _util.shadow)(this, 'loadingParams', {
+        disableAutoFetch: params.disableAutoFetch,
+        disableCreateObjectURL: params.disableCreateObjectURL,
+        disableFontFace: params.disableFontFace,
+        nativeImageDecoderSupport: params.nativeImageDecoderSupport
+      });
+    }
+  }]);
+
+  return WorkerTransport;
+}();
+
+var PDFObjects =
+/*#__PURE__*/
+function () {
+  function PDFObjects() {
+    _classCallCheck(this, PDFObjects);
+
+    this._objs = Object.create(null);
+  }
+
+  _createClass(PDFObjects, [{
+    key: "_ensureObj",
+    value: function _ensureObj(objId) {
+      if (this._objs[objId]) {
+        return this._objs[objId];
+      }
+
+      return this._objs[objId] = {
+        capability: (0, _util.createPromiseCapability)(),
+        data: null,
+        resolved: false
+      };
+    }
+  }, {
+    key: "get",
+    value: function get(objId) {
+      var callback = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : null;
+
+      if (callback) {
+        this._ensureObj(objId).capability.promise.then(callback);
+
+        return null;
+      }
+
+      var obj = this._objs[objId];
+
+      if (!obj || !obj.resolved) {
+        throw new Error("Requesting object that isn't resolved yet ".concat(objId, "."));
+      }
+
+      return obj.data;
+    }
+  }, {
+    key: "has",
+    value: function has(objId) {
+      var obj = this._objs[objId];
+      return obj ? obj.resolved : false;
+    }
+  }, {
+    key: "resolve",
+    value: function resolve(objId, data) {
+      var obj = this._ensureObj(objId);
+
+      obj.resolved = true;
+      obj.data = data;
+      obj.capability.resolve(data);
+    }
+  }, {
+    key: "clear",
+    value: function clear() {
+      for (var objId in this._objs) {
+        var data = this._objs[objId].data;
+
+        if (typeof Image !== 'undefined' && data instanceof Image) {
+          (0, _display_utils.releaseImageResources)(data);
+        }
+      }
+
+      this._objs = Object.create(null);
+    }
+  }]);
+
+  return PDFObjects;
+}();
+
+var RenderTask =
+/*#__PURE__*/
+function () {
+  function RenderTask(internalRenderTask) {
+    _classCallCheck(this, RenderTask);
+
+    this._internalRenderTask = internalRenderTask;
+    this.onContinue = null;
+  }
+
+  _createClass(RenderTask, [{
+    key: "cancel",
+    value: function cancel() {
+      this._internalRenderTask.cancel();
+    }
+  }, {
+    key: "then",
+    value: function then(onFulfilled, onRejected) {
+      (0, _display_utils.deprecated)('RenderTask.then method, use the `promise` getter instead.');
+      return this.promise.then.apply(this.promise, arguments);
+    }
+  }, {
+    key: "promise",
+    get: function get() {
+      return this._internalRenderTask.capability.promise;
+    }
+  }]);
+
+  return RenderTask;
+}();
+
+var InternalRenderTask = function InternalRenderTaskClosure() {
+  var canvasInRendering = new WeakSet();
+
+  var InternalRenderTask =
+  /*#__PURE__*/
+  function () {
+    function InternalRenderTask(_ref11) {
+      var callback = _ref11.callback,
+          params = _ref11.params,
+          objs = _ref11.objs,
+          commonObjs = _ref11.commonObjs,
+          operatorList = _ref11.operatorList,
+          pageNumber = _ref11.pageNumber,
+          canvasFactory = _ref11.canvasFactory,
+          webGLContext = _ref11.webGLContext,
+          _ref11$useRequestAnim = _ref11.useRequestAnimationFrame,
+          useRequestAnimationFrame = _ref11$useRequestAnim === void 0 ? false : _ref11$useRequestAnim,
+          _ref11$pdfBug = _ref11.pdfBug,
+          pdfBug = _ref11$pdfBug === void 0 ? false : _ref11$pdfBug;
+
+      _classCallCheck(this, InternalRenderTask);
+
+      this.callback = callback;
+      this.params = params;
+      this.objs = objs;
+      this.commonObjs = commonObjs;
+      this.operatorListIdx = null;
+      this.operatorList = operatorList;
+      this.pageNumber = pageNumber;
+      this.canvasFactory = canvasFactory;
+      this.webGLContext = webGLContext;
+      this._pdfBug = pdfBug;
+      this.running = false;
+      this.graphicsReadyCallback = null;
+      this.graphicsReady = false;
+      this._useRequestAnimationFrame = useRequestAnimationFrame === true && typeof window !== 'undefined';
+      this.cancelled = false;
+      this.capability = (0, _util.createPromiseCapability)();
+      this.task = new RenderTask(this);
+      this._continueBound = this._continue.bind(this);
+      this._scheduleNextBound = this._scheduleNext.bind(this);
+      this._nextBound = this._next.bind(this);
+      this._canvas = params.canvasContext.canvas;
+    }
+
+    _createClass(InternalRenderTask, [{
+      key: "initializeGraphics",
+      value: function initializeGraphics() {
+        var transparency = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+
+        if (this.cancelled) {
+          return;
+        }
+
+        if (this._canvas) {
+          if (canvasInRendering.has(this._canvas)) {
+            throw new Error('Cannot use the same canvas during multiple render() operations. ' + 'Use different canvas or ensure previous operations were ' + 'cancelled or completed.');
+          }
+
+          canvasInRendering.add(this._canvas);
+        }
+
+        if (this._pdfBug && _global_scope["default"].StepperManager && _global_scope["default"].StepperManager.enabled) {
+          this.stepper = _global_scope["default"].StepperManager.create(this.pageNumber - 1);
+          this.stepper.init(this.operatorList);
+          this.stepper.nextBreakPoint = this.stepper.getNextBreakPoint();
+        }
+
+        var _this$params = this.params,
+            canvasContext = _this$params.canvasContext,
+            viewport = _this$params.viewport,
+            transform = _this$params.transform,
+            imageLayer = _this$params.imageLayer,
+            background = _this$params.background;
+        this.gfx = new _canvas.CanvasGraphics(canvasContext, this.commonObjs, this.objs, this.canvasFactory, this.webGLContext, imageLayer);
+        this.gfx.beginDrawing({
+          transform: transform,
+          viewport: viewport,
+          transparency: transparency,
+          background: background
+        });
+        this.operatorListIdx = 0;
+        this.graphicsReady = true;
+
+        if (this.graphicsReadyCallback) {
+          this.graphicsReadyCallback();
+        }
+      }
+    }, {
+      key: "cancel",
+      value: function cancel() {
+        var error = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : null;
+        this.running = false;
+        this.cancelled = true;
+
+        if (this.gfx) {
+          this.gfx.endDrawing();
+        }
+
+        if (this._canvas) {
+          canvasInRendering["delete"](this._canvas);
+        }
+
+        this.callback(error || new _display_utils.RenderingCancelledException("Rendering cancelled, page ".concat(this.pageNumber), 'canvas'));
+      }
+    }, {
+      key: "operatorListChanged",
+      value: function operatorListChanged() {
+        if (!this.graphicsReady) {
+          if (!this.graphicsReadyCallback) {
+            this.graphicsReadyCallback = this._continueBound;
+          }
+
+          return;
+        }
+
+        if (this.stepper) {
+          this.stepper.updateOperatorList(this.operatorList);
+        }
+
+        if (this.running) {
+          return;
+        }
+
+        this._continue();
+      }
+    }, {
+      key: "_continue",
+      value: function _continue() {
+        this.running = true;
+
+        if (this.cancelled) {
+          return;
+        }
+
+        if (this.task.onContinue) {
+          this.task.onContinue(this._scheduleNextBound);
+        } else {
+          this._scheduleNext();
+        }
+      }
+    }, {
+      key: "_scheduleNext",
+      value: function _scheduleNext() {
+        var _this17 = this;
+
+        if (this._useRequestAnimationFrame) {
+          window.requestAnimationFrame(function () {
+            _this17._nextBound()["catch"](_this17.cancel.bind(_this17));
+          });
+        } else {
+          Promise.resolve().then(this._nextBound)["catch"](this.cancel.bind(this));
+        }
+      }
+    }, {
+      key: "_next",
+      value: function () {
+        var _next2 = _asyncToGenerator(
+        /*#__PURE__*/
+        _regenerator["default"].mark(function _callee() {
+          return _regenerator["default"].wrap(function _callee$(_context) {
+            while (1) {
+              switch (_context.prev = _context.next) {
+                case 0:
+                  if (!this.cancelled) {
+                    _context.next = 2;
+                    break;
+                  }
+
+                  return _context.abrupt("return");
+
+                case 2:
+                  this.operatorListIdx = this.gfx.executeOperatorList(this.operatorList, this.operatorListIdx, this._continueBound, this.stepper);
+
+                  if (this.operatorListIdx === this.operatorList.argsArray.length) {
+                    this.running = false;
+
+                    if (this.operatorList.lastChunk) {
+                      this.gfx.endDrawing();
+
+                      if (this._canvas) {
+                        canvasInRendering["delete"](this._canvas);
+                      }
+
+                      this.callback();
+                    }
+                  }
+
+                case 4:
+                case "end":
+                  return _context.stop();
+              }
+            }
+          }, _callee, this);
+        }));
+
+        function _next() {
+          return _next2.apply(this, arguments);
+        }
+
+        return _next;
+      }()
+    }]);
+
+    return InternalRenderTask;
+  }();
+
+  return InternalRenderTask;
+}();
+
+var version = '2.2.228';
+exports.version = version;
+var build = 'd7afb74a';
+exports.build = build;
+
+/***/ }),
+/* 148 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = __w_pdfjs_require__(149);
+
+/***/ }),
+/* 149 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+/* WEBPACK VAR INJECTION */(function(module) {
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+var runtime = function (exports) {
+  "use strict";
+
+  var Op = Object.prototype;
+  var hasOwn = Op.hasOwnProperty;
+  var undefined;
+  var $Symbol = typeof Symbol === "function" ? Symbol : {};
+  var iteratorSymbol = $Symbol.iterator || "@@iterator";
+  var asyncIteratorSymbol = $Symbol.asyncIterator || "@@asyncIterator";
+  var toStringTagSymbol = $Symbol.toStringTag || "@@toStringTag";
+
+  function wrap(innerFn, outerFn, self, tryLocsList) {
+    var protoGenerator = outerFn && outerFn.prototype instanceof Generator ? outerFn : Generator;
+    var generator = Object.create(protoGenerator.prototype);
+    var context = new Context(tryLocsList || []);
+    generator._invoke = makeInvokeMethod(innerFn, self, context);
+    return generator;
+  }
+
+  exports.wrap = wrap;
+
+  function tryCatch(fn, obj, arg) {
+    try {
+      return {
+        type: "normal",
+        arg: fn.call(obj, arg)
+      };
+    } catch (err) {
+      return {
+        type: "throw",
+        arg: err
+      };
+    }
+  }
+
+  var GenStateSuspendedStart = "suspendedStart";
+  var GenStateSuspendedYield = "suspendedYield";
+  var GenStateExecuting = "executing";
+  var GenStateCompleted = "completed";
+  var ContinueSentinel = {};
+
+  function Generator() {}
+
+  function GeneratorFunction() {}
+
+  function GeneratorFunctionPrototype() {}
+
+  var IteratorPrototype = {};
+
+  IteratorPrototype[iteratorSymbol] = function () {
+    return this;
+  };
+
+  var getProto = Object.getPrototypeOf;
+  var NativeIteratorPrototype = getProto && getProto(getProto(values([])));
+
+  if (NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol)) {
+    IteratorPrototype = NativeIteratorPrototype;
+  }
+
+  var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
+  GeneratorFunction.prototype = Gp.constructor = GeneratorFunctionPrototype;
+  GeneratorFunctionPrototype.constructor = GeneratorFunction;
+  GeneratorFunctionPrototype[toStringTagSymbol] = GeneratorFunction.displayName = "GeneratorFunction";
+
+  function defineIteratorMethods(prototype) {
+    ["next", "throw", "return"].forEach(function (method) {
+      prototype[method] = function (arg) {
+        return this._invoke(method, arg);
+      };
+    });
+  }
+
+  exports.isGeneratorFunction = function (genFun) {
+    var ctor = typeof genFun === "function" && genFun.constructor;
+    return ctor ? ctor === GeneratorFunction || (ctor.displayName || ctor.name) === "GeneratorFunction" : false;
+  };
+
+  exports.mark = function (genFun) {
+    if (Object.setPrototypeOf) {
+      Object.setPrototypeOf(genFun, GeneratorFunctionPrototype);
+    } else {
+      genFun.__proto__ = GeneratorFunctionPrototype;
+
+      if (!(toStringTagSymbol in genFun)) {
+        genFun[toStringTagSymbol] = "GeneratorFunction";
+      }
+    }
+
+    genFun.prototype = Object.create(Gp);
+    return genFun;
+  };
+
+  exports.awrap = function (arg) {
+    return {
+      __await: arg
+    };
+  };
+
+  function AsyncIterator(generator) {
+    function invoke(method, arg, resolve, reject) {
+      var record = tryCatch(generator[method], generator, arg);
+
+      if (record.type === "throw") {
+        reject(record.arg);
+      } else {
+        var result = record.arg;
+        var value = result.value;
+
+        if (value && _typeof(value) === "object" && hasOwn.call(value, "__await")) {
+          return Promise.resolve(value.__await).then(function (value) {
+            invoke("next", value, resolve, reject);
+          }, function (err) {
+            invoke("throw", err, resolve, reject);
+          });
+        }
+
+        return Promise.resolve(value).then(function (unwrapped) {
+          result.value = unwrapped;
+          resolve(result);
+        }, function (error) {
+          return invoke("throw", error, resolve, reject);
+        });
+      }
+    }
+
+    var previousPromise;
+
+    function enqueue(method, arg) {
+      function callInvokeWithMethodAndArg() {
+        return new Promise(function (resolve, reject) {
+          invoke(method, arg, resolve, reject);
+        });
+      }
+
+      return previousPromise = previousPromise ? previousPromise.then(callInvokeWithMethodAndArg, callInvokeWithMethodAndArg) : callInvokeWithMethodAndArg();
+    }
+
+    this._invoke = enqueue;
+  }
+
+  defineIteratorMethods(AsyncIterator.prototype);
+
+  AsyncIterator.prototype[asyncIteratorSymbol] = function () {
+    return this;
+  };
+
+  exports.AsyncIterator = AsyncIterator;
+
+  exports.async = function (innerFn, outerFn, self, tryLocsList) {
+    var iter = new AsyncIterator(wrap(innerFn, outerFn, self, tryLocsList));
+    return exports.isGeneratorFunction(outerFn) ? iter : iter.next().then(function (result) {
+      return result.done ? result.value : iter.next();
+    });
+  };
+
+  function makeInvokeMethod(innerFn, self, context) {
+    var state = GenStateSuspendedStart;
+    return function invoke(method, arg) {
+      if (state === GenStateExecuting) {
+        throw new Error("Generator is already running");
+      }
+
+      if (state === GenStateCompleted) {
+        if (method === "throw") {
+          throw arg;
+        }
+
+        return doneResult();
+      }
+
+      context.method = method;
+      context.arg = arg;
+
+      while (true) {
+        var delegate = context.delegate;
+
+        if (delegate) {
+          var delegateResult = maybeInvokeDelegate(delegate, context);
+
+          if (delegateResult) {
+            if (delegateResult === ContinueSentinel) continue;
+            return delegateResult;
+          }
+        }
+
+        if (context.method === "next") {
+          context.sent = context._sent = context.arg;
+        } else if (context.method === "throw") {
+          if (state === GenStateSuspendedStart) {
+            state = GenStateCompleted;
+            throw context.arg;
+          }
+
+          context.dispatchException(context.arg);
+        } else if (context.method === "return") {
+          context.abrupt("return", context.arg);
+        }
+
+        state = GenStateExecuting;
+        var record = tryCatch(innerFn, self, context);
+
+        if (record.type === "normal") {
+          state = context.done ? GenStateCompleted : GenStateSuspendedYield;
+
+          if (record.arg === ContinueSentinel) {
+            continue;
+          }
+
+          return {
+            value: record.arg,
+            done: context.done
+          };
+        } else if (record.type === "throw") {
+          state = GenStateCompleted;
+          context.method = "throw";
+          context.arg = record.arg;
+        }
+      }
+    };
+  }
+
+  function maybeInvokeDelegate(delegate, context) {
+    var method = delegate.iterator[context.method];
+
+    if (method === undefined) {
+      context.delegate = null;
+
+      if (context.method === "throw") {
+        if (delegate.iterator["return"]) {
+          context.method = "return";
+          context.arg = undefined;
+          maybeInvokeDelegate(delegate, context);
+
+          if (context.method === "throw") {
+            return ContinueSentinel;
+          }
+        }
+
+        context.method = "throw";
+        context.arg = new TypeError("The iterator does not provide a 'throw' method");
+      }
+
+      return ContinueSentinel;
+    }
+
+    var record = tryCatch(method, delegate.iterator, context.arg);
+
+    if (record.type === "throw") {
+      context.method = "throw";
+      context.arg = record.arg;
+      context.delegate = null;
+      return ContinueSentinel;
+    }
+
+    var info = record.arg;
+
+    if (!info) {
+      context.method = "throw";
+      context.arg = new TypeError("iterator result is not an object");
+      context.delegate = null;
+      return ContinueSentinel;
+    }
+
+    if (info.done) {
+      context[delegate.resultName] = info.value;
+      context.next = delegate.nextLoc;
+
+      if (context.method !== "return") {
+        context.method = "next";
+        context.arg = undefined;
+      }
+    } else {
+      return info;
+    }
+
+    context.delegate = null;
+    return ContinueSentinel;
+  }
+
+  defineIteratorMethods(Gp);
+  Gp[toStringTagSymbol] = "Generator";
+
+  Gp[iteratorSymbol] = function () {
+    return this;
+  };
+
+  Gp.toString = function () {
+    return "[object Generator]";
+  };
+
+  function pushTryEntry(locs) {
+    var entry = {
+      tryLoc: locs[0]
+    };
+
+    if (1 in locs) {
+      entry.catchLoc = locs[1];
+    }
+
+    if (2 in locs) {
+      entry.finallyLoc = locs[2];
+      entry.afterLoc = locs[3];
+    }
+
+    this.tryEntries.push(entry);
+  }
+
+  function resetTryEntry(entry) {
+    var record = entry.completion || {};
+    record.type = "normal";
+    delete record.arg;
+    entry.completion = record;
+  }
+
+  function Context(tryLocsList) {
+    this.tryEntries = [{
+      tryLoc: "root"
+    }];
+    tryLocsList.forEach(pushTryEntry, this);
+    this.reset(true);
+  }
+
+  exports.keys = function (object) {
+    var keys = [];
+
+    for (var key in object) {
+      keys.push(key);
+    }
+
+    keys.reverse();
+    return function next() {
+      while (keys.length) {
+        var key = keys.pop();
+
+        if (key in object) {
+          next.value = key;
+          next.done = false;
+          return next;
+        }
+      }
+
+      next.done = true;
+      return next;
+    };
+  };
+
+  function values(iterable) {
+    if (iterable) {
+      var iteratorMethod = iterable[iteratorSymbol];
+
+      if (iteratorMethod) {
+        return iteratorMethod.call(iterable);
+      }
+
+      if (typeof iterable.next === "function") {
+        return iterable;
+      }
+
+      if (!isNaN(iterable.length)) {
+        var i = -1,
+            next = function next() {
+          while (++i < iterable.length) {
+            if (hasOwn.call(iterable, i)) {
+              next.value = iterable[i];
+              next.done = false;
+              return next;
+            }
+          }
+
+          next.value = undefined;
+          next.done = true;
+          return next;
+        };
+
+        return next.next = next;
+      }
+    }
+
+    return {
+      next: doneResult
+    };
+  }
+
+  exports.values = values;
+
+  function doneResult() {
+    return {
+      value: undefined,
+      done: true
+    };
+  }
+
+  Context.prototype = {
+    constructor: Context,
+    reset: function reset(skipTempReset) {
+      this.prev = 0;
+      this.next = 0;
+      this.sent = this._sent = undefined;
+      this.done = false;
+      this.delegate = null;
+      this.method = "next";
+      this.arg = undefined;
+      this.tryEntries.forEach(resetTryEntry);
+
+      if (!skipTempReset) {
+        for (var name in this) {
+          if (name.charAt(0) === "t" && hasOwn.call(this, name) && !isNaN(+name.slice(1))) {
+            this[name] = undefined;
+          }
+        }
+      }
+    },
+    stop: function stop() {
+      this.done = true;
+      var rootEntry = this.tryEntries[0];
+      var rootRecord = rootEntry.completion;
+
+      if (rootRecord.type === "throw") {
+        throw rootRecord.arg;
+      }
+
+      return this.rval;
+    },
+    dispatchException: function dispatchException(exception) {
+      if (this.done) {
+        throw exception;
+      }
+
+      var context = this;
+
+      function handle(loc, caught) {
+        record.type = "throw";
+        record.arg = exception;
+        context.next = loc;
+
+        if (caught) {
+          context.method = "next";
+          context.arg = undefined;
+        }
+
+        return !!caught;
+      }
+
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+        var record = entry.completion;
+
+        if (entry.tryLoc === "root") {
+          return handle("end");
+        }
+
+        if (entry.tryLoc <= this.prev) {
+          var hasCatch = hasOwn.call(entry, "catchLoc");
+          var hasFinally = hasOwn.call(entry, "finallyLoc");
+
+          if (hasCatch && hasFinally) {
+            if (this.prev < entry.catchLoc) {
+              return handle(entry.catchLoc, true);
+            } else if (this.prev < entry.finallyLoc) {
+              return handle(entry.finallyLoc);
+            }
+          } else if (hasCatch) {
+            if (this.prev < entry.catchLoc) {
+              return handle(entry.catchLoc, true);
+            }
+          } else if (hasFinally) {
+            if (this.prev < entry.finallyLoc) {
+              return handle(entry.finallyLoc);
+            }
+          } else {
+            throw new Error("try statement without catch or finally");
+          }
+        }
+      }
+    },
+    abrupt: function abrupt(type, arg) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+
+        if (entry.tryLoc <= this.prev && hasOwn.call(entry, "finallyLoc") && this.prev < entry.finallyLoc) {
+          var finallyEntry = entry;
+          break;
+        }
+      }
+
+      if (finallyEntry && (type === "break" || type === "continue") && finallyEntry.tryLoc <= arg && arg <= finallyEntry.finallyLoc) {
+        finallyEntry = null;
+      }
+
+      var record = finallyEntry ? finallyEntry.completion : {};
+      record.type = type;
+      record.arg = arg;
+
+      if (finallyEntry) {
+        this.method = "next";
+        this.next = finallyEntry.finallyLoc;
+        return ContinueSentinel;
+      }
+
+      return this.complete(record);
+    },
+    complete: function complete(record, afterLoc) {
+      if (record.type === "throw") {
+        throw record.arg;
+      }
+
+      if (record.type === "break" || record.type === "continue") {
+        this.next = record.arg;
+      } else if (record.type === "return") {
+        this.rval = this.arg = record.arg;
+        this.method = "return";
+        this.next = "end";
+      } else if (record.type === "normal" && afterLoc) {
+        this.next = afterLoc;
+      }
+
+      return ContinueSentinel;
+    },
+    finish: function finish(finallyLoc) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+
+        if (entry.finallyLoc === finallyLoc) {
+          this.complete(entry.completion, entry.afterLoc);
+          resetTryEntry(entry);
+          return ContinueSentinel;
+        }
+      }
+    },
+    "catch": function _catch(tryLoc) {
+      for (var i = this.tryEntries.length - 1; i >= 0; --i) {
+        var entry = this.tryEntries[i];
+
+        if (entry.tryLoc === tryLoc) {
+          var record = entry.completion;
+
+          if (record.type === "throw") {
+            var thrown = record.arg;
+            resetTryEntry(entry);
+          }
+
+          return thrown;
+        }
+      }
+
+      throw new Error("illegal catch attempt");
+    },
+    delegateYield: function delegateYield(iterable, resultName, nextLoc) {
+      this.delegate = {
+        iterator: values(iterable),
+        resultName: resultName,
+        nextLoc: nextLoc
+      };
+
+      if (this.method === "next") {
+        this.arg = undefined;
+      }
+
+      return ContinueSentinel;
+    }
+  };
+  return exports;
+}(( false ? undefined : _typeof(module)) === "object" ? module.exports : {});
+
+try {
+  regeneratorRuntime = runtime;
+} catch (accidentalStrictMode) {
+  Function("r", "regeneratorRuntime = r")(runtime);
+}
+/* WEBPACK VAR INJECTION */}.call(this, __w_pdfjs_require__(150)(module)))
+
+/***/ }),
+/* 150 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+module.exports = function (module) {
+  if (!module.webpackPolyfill) {
+    module.deprecate = function () {};
+
+    module.paths = [];
+    if (!module.children) module.children = [];
+    Object.defineProperty(module, "loaded", {
+      enumerable: true,
+      get: function get() {
+        return module.l;
+      }
+    });
+    Object.defineProperty(module, "id", {
+      enumerable: true,
+      get: function get() {
+        return module.i;
+      }
+    });
+    module.webpackPolyfill = 1;
+  }
+
+  return module;
+};
+
+/***/ }),
+/* 151 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.addLinkAttributes = addLinkAttributes;
+exports.getFilenameFromUrl = getFilenameFromUrl;
+exports.isFetchSupported = isFetchSupported;
+exports.isValidFetchUrl = isValidFetchUrl;
+exports.loadScript = loadScript;
+exports.deprecated = deprecated;
+exports.releaseImageResources = releaseImageResources;
+exports.PDFDateString = exports.DummyStatTimer = exports.StatTimer = exports.DOMSVGFactory = exports.DOMCMapReaderFactory = exports.DOMCanvasFactory = exports.DEFAULT_LINK_REL = exports.LinkTarget = exports.RenderingCancelledException = exports.PageViewport = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(148));
+
+var _util = __w_pdfjs_require__(1);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var DEFAULT_LINK_REL = 'noopener noreferrer nofollow';
+exports.DEFAULT_LINK_REL = DEFAULT_LINK_REL;
+var SVG_NS = 'http://www.w3.org/2000/svg';
+
+var DOMCanvasFactory =
+/*#__PURE__*/
+function () {
+  function DOMCanvasFactory() {
+    _classCallCheck(this, DOMCanvasFactory);
+  }
+
+  _createClass(DOMCanvasFactory, [{
+    key: "create",
+    value: function create(width, height) {
+      if (width <= 0 || height <= 0) {
+        throw new Error('Invalid canvas size');
+      }
+
+      var canvas = document.createElement('canvas');
+      var context = canvas.getContext('2d');
+      canvas.width = width;
+      canvas.height = height;
+      return {
+        canvas: canvas,
+        context: context
+      };
+    }
+  }, {
+    key: "reset",
+    value: function reset(canvasAndContext, width, height) {
+      if (!canvasAndContext.canvas) {
+        throw new Error('Canvas is not specified');
+      }
+
+      if (width <= 0 || height <= 0) {
+        throw new Error('Invalid canvas size');
+      }
+
+      canvasAndContext.canvas.width = width;
+      canvasAndContext.canvas.height = height;
+    }
+  }, {
+    key: "destroy",
+    value: function destroy(canvasAndContext) {
+      if (!canvasAndContext.canvas) {
+        throw new Error('Canvas is not specified');
+      }
+
+      canvasAndContext.canvas.width = 0;
+      canvasAndContext.canvas.height = 0;
+      canvasAndContext.canvas = null;
+      canvasAndContext.context = null;
+    }
+  }]);
+
+  return DOMCanvasFactory;
+}();
+
+exports.DOMCanvasFactory = DOMCanvasFactory;
+
+var DOMCMapReaderFactory =
+/*#__PURE__*/
+function () {
+  function DOMCMapReaderFactory(_ref) {
+    var _ref$baseUrl = _ref.baseUrl,
+        baseUrl = _ref$baseUrl === void 0 ? null : _ref$baseUrl,
+        _ref$isCompressed = _ref.isCompressed,
+        isCompressed = _ref$isCompressed === void 0 ? false : _ref$isCompressed;
+
+    _classCallCheck(this, DOMCMapReaderFactory);
+
+    this.baseUrl = baseUrl;
+    this.isCompressed = isCompressed;
+  }
+
+  _createClass(DOMCMapReaderFactory, [{
+    key: "fetch",
+    value: function (_fetch) {
+      function fetch(_x) {
+        return _fetch.apply(this, arguments);
+      }
+
+      fetch.toString = function () {
+        return _fetch.toString();
+      };
+
+      return fetch;
+    }(
+    /*#__PURE__*/
+    function () {
+      var _ref3 = _asyncToGenerator(
+      /*#__PURE__*/
+      _regenerator["default"].mark(function _callee2(_ref2) {
+        var _this = this;
+
+        var name, url, compressionType;
+        return _regenerator["default"].wrap(function _callee2$(_context2) {
+          while (1) {
+            switch (_context2.prev = _context2.next) {
+              case 0:
+                name = _ref2.name;
+
+                if (this.baseUrl) {
+                  _context2.next = 3;
+                  break;
+                }
+
+                throw new Error('The CMap "baseUrl" parameter must be specified, ensure that ' + 'the "cMapUrl" and "cMapPacked" API parameters are provided.');
+
+              case 3:
+                if (name) {
+                  _context2.next = 5;
+                  break;
+                }
+
+                throw new Error('CMap name must be specified.');
+
+              case 5:
+                url = this.baseUrl + name + (this.isCompressed ? '.bcmap' : '');
+                compressionType = this.isCompressed ? _util.CMapCompressionType.BINARY : _util.CMapCompressionType.NONE;
+
+                if (!(isFetchSupported() && isValidFetchUrl(url, document.baseURI))) {
+                  _context2.next = 9;
+                  break;
+                }
+
+                return _context2.abrupt("return", fetch(url).then(
+                /*#__PURE__*/
+                function () {
+                  var _ref4 = _asyncToGenerator(
+                  /*#__PURE__*/
+                  _regenerator["default"].mark(function _callee(response) {
+                    var cMapData;
+                    return _regenerator["default"].wrap(function _callee$(_context) {
+                      while (1) {
+                        switch (_context.prev = _context.next) {
+                          case 0:
+                            if (response.ok) {
+                              _context.next = 2;
+                              break;
+                            }
+
+                            throw new Error(response.statusText);
+
+                          case 2:
+                            if (!_this.isCompressed) {
+                              _context.next = 10;
+                              break;
+                            }
+
+                            _context.t0 = Uint8Array;
+                            _context.next = 6;
+                            return response.arrayBuffer();
+
+                          case 6:
+                            _context.t1 = _context.sent;
+                            cMapData = new _context.t0(_context.t1);
+                            _context.next = 15;
+                            break;
+
+                          case 10:
+                            _context.t2 = _util.stringToBytes;
+                            _context.next = 13;
+                            return response.text();
+
+                          case 13:
+                            _context.t3 = _context.sent;
+                            cMapData = (0, _context.t2)(_context.t3);
+
+                          case 15:
+                            return _context.abrupt("return", {
+                              cMapData: cMapData,
+                              compressionType: compressionType
+                            });
+
+                          case 16:
+                          case "end":
+                            return _context.stop();
+                        }
+                      }
+                    }, _callee);
+                  }));
+
+                  return function (_x3) {
+                    return _ref4.apply(this, arguments);
+                  };
+                }())["catch"](function (reason) {
+                  throw new Error("Unable to load ".concat(_this.isCompressed ? 'binary ' : '') + "CMap at: ".concat(url));
+                }));
+
+              case 9:
+                return _context2.abrupt("return", new Promise(function (resolve, reject) {
+                  var request = new XMLHttpRequest();
+                  request.open('GET', url, true);
+
+                  if (_this.isCompressed) {
+                    request.responseType = 'arraybuffer';
+                  }
+
+                  request.onreadystatechange = function () {
+                    if (request.readyState !== XMLHttpRequest.DONE) {
+                      return;
+                    }
+
+                    if (request.status === 200 || request.status === 0) {
+                      var cMapData;
+
+                      if (_this.isCompressed && request.response) {
+                        cMapData = new Uint8Array(request.response);
+                      } else if (!_this.isCompressed && request.responseText) {
+                        cMapData = (0, _util.stringToBytes)(request.responseText);
+                      }
+
+                      if (cMapData) {
+                        resolve({
+                          cMapData: cMapData,
+                          compressionType: compressionType
+                        });
+                        return;
+                      }
+                    }
+
+                    reject(new Error(request.statusText));
+                  };
+
+                  request.send(null);
+                })["catch"](function (reason) {
+                  throw new Error("Unable to load ".concat(_this.isCompressed ? 'binary ' : '') + "CMap at: ".concat(url));
+                }));
+
+              case 10:
+              case "end":
+                return _context2.stop();
+            }
+          }
+        }, _callee2, this);
+      }));
+
+      return function (_x2) {
+        return _ref3.apply(this, arguments);
+      };
+    }())
+  }]);
+
+  return DOMCMapReaderFactory;
+}();
+
+exports.DOMCMapReaderFactory = DOMCMapReaderFactory;
+
+var DOMSVGFactory =
+/*#__PURE__*/
+function () {
+  function DOMSVGFactory() {
+    _classCallCheck(this, DOMSVGFactory);
+  }
+
+  _createClass(DOMSVGFactory, [{
+    key: "create",
+    value: function create(width, height) {
+      (0, _util.assert)(width > 0 && height > 0, 'Invalid SVG dimensions');
+      var svg = document.createElementNS(SVG_NS, 'svg:svg');
+      svg.setAttribute('version', '1.1');
+      svg.setAttribute('width', width + 'px');
+      svg.setAttribute('height', height + 'px');
+      svg.setAttribute('preserveAspectRatio', 'none');
+      svg.setAttribute('viewBox', '0 0 ' + width + ' ' + height);
+      return svg;
+    }
+  }, {
+    key: "createElement",
+    value: function createElement(type) {
+      (0, _util.assert)(typeof type === 'string', 'Invalid SVG element type');
+      return document.createElementNS(SVG_NS, type);
+    }
+  }]);
+
+  return DOMSVGFactory;
+}();
+
+exports.DOMSVGFactory = DOMSVGFactory;
+
+var PageViewport =
+/*#__PURE__*/
+function () {
+  function PageViewport(_ref5) {
+    var viewBox = _ref5.viewBox,
+        scale = _ref5.scale,
+        rotation = _ref5.rotation,
+        _ref5$offsetX = _ref5.offsetX,
+        offsetX = _ref5$offsetX === void 0 ? 0 : _ref5$offsetX,
+        _ref5$offsetY = _ref5.offsetY,
+        offsetY = _ref5$offsetY === void 0 ? 0 : _ref5$offsetY,
+        _ref5$dontFlip = _ref5.dontFlip,
+        dontFlip = _ref5$dontFlip === void 0 ? false : _ref5$dontFlip;
+
+    _classCallCheck(this, PageViewport);
+
+    this.viewBox = viewBox;
+    this.scale = scale;
+    this.rotation = rotation;
+    this.offsetX = offsetX;
+    this.offsetY = offsetY;
+    var centerX = (viewBox[2] + viewBox[0]) / 2;
+    var centerY = (viewBox[3] + viewBox[1]) / 2;
+    var rotateA, rotateB, rotateC, rotateD;
+    rotation = rotation % 360;
+    rotation = rotation < 0 ? rotation + 360 : rotation;
+
+    switch (rotation) {
+      case 180:
+        rotateA = -1;
+        rotateB = 0;
+        rotateC = 0;
+        rotateD = 1;
+        break;
+
+      case 90:
+        rotateA = 0;
+        rotateB = 1;
+        rotateC = 1;
+        rotateD = 0;
+        break;
+
+      case 270:
+        rotateA = 0;
+        rotateB = -1;
+        rotateC = -1;
+        rotateD = 0;
+        break;
+
+      default:
+        rotateA = 1;
+        rotateB = 0;
+        rotateC = 0;
+        rotateD = -1;
+        break;
+    }
+
+    if (dontFlip) {
+      rotateC = -rotateC;
+      rotateD = -rotateD;
+    }
+
+    var offsetCanvasX, offsetCanvasY;
+    var width, height;
+
+    if (rotateA === 0) {
+      offsetCanvasX = Math.abs(centerY - viewBox[1]) * scale + offsetX;
+      offsetCanvasY = Math.abs(centerX - viewBox[0]) * scale + offsetY;
+      width = Math.abs(viewBox[3] - viewBox[1]) * scale;
+      height = Math.abs(viewBox[2] - viewBox[0]) * scale;
+    } else {
+      offsetCanvasX = Math.abs(centerX - viewBox[0]) * scale + offsetX;
+      offsetCanvasY = Math.abs(centerY - viewBox[1]) * scale + offsetY;
+      width = Math.abs(viewBox[2] - viewBox[0]) * scale;
+      height = Math.abs(viewBox[3] - viewBox[1]) * scale;
+    }
+
+    this.transform = [rotateA * scale, rotateB * scale, rotateC * scale, rotateD * scale, offsetCanvasX - rotateA * scale * centerX - rotateC * scale * centerY, offsetCanvasY - rotateB * scale * centerX - rotateD * scale * centerY];
+    this.width = width;
+    this.height = height;
+  }
+
+  _createClass(PageViewport, [{
+    key: "clone",
+    value: function clone() {
+      var _ref6 = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {},
+          _ref6$scale = _ref6.scale,
+          scale = _ref6$scale === void 0 ? this.scale : _ref6$scale,
+          _ref6$rotation = _ref6.rotation,
+          rotation = _ref6$rotation === void 0 ? this.rotation : _ref6$rotation,
+          _ref6$dontFlip = _ref6.dontFlip,
+          dontFlip = _ref6$dontFlip === void 0 ? false : _ref6$dontFlip;
+
+      return new PageViewport({
+        viewBox: this.viewBox.slice(),
+        scale: scale,
+        rotation: rotation,
+        offsetX: this.offsetX,
+        offsetY: this.offsetY,
+        dontFlip: dontFlip
+      });
+    }
+  }, {
+    key: "convertToViewportPoint",
+    value: function convertToViewportPoint(x, y) {
+      return _util.Util.applyTransform([x, y], this.transform);
+    }
+  }, {
+    key: "convertToViewportRectangle",
+    value: function convertToViewportRectangle(rect) {
+      var topLeft = _util.Util.applyTransform([rect[0], rect[1]], this.transform);
+
+      var bottomRight = _util.Util.applyTransform([rect[2], rect[3]], this.transform);
+
+      return [topLeft[0], topLeft[1], bottomRight[0], bottomRight[1]];
+    }
+  }, {
+    key: "convertToPdfPoint",
+    value: function convertToPdfPoint(x, y) {
+      return _util.Util.applyInverseTransform([x, y], this.transform);
+    }
+  }]);
+
+  return PageViewport;
+}();
+
+exports.PageViewport = PageViewport;
+
+var RenderingCancelledException = function RenderingCancelledException() {
+  function RenderingCancelledException(msg, type) {
+    this.message = msg;
+    this.type = type;
+  }
+
+  RenderingCancelledException.prototype = new Error();
+  RenderingCancelledException.prototype.name = 'RenderingCancelledException';
+  RenderingCancelledException.constructor = RenderingCancelledException;
+  return RenderingCancelledException;
+}();
+
+exports.RenderingCancelledException = RenderingCancelledException;
+var LinkTarget = {
+  NONE: 0,
+  SELF: 1,
+  BLANK: 2,
+  PARENT: 3,
+  TOP: 4
+};
+exports.LinkTarget = LinkTarget;
+var LinkTargetStringMap = ['', '_self', '_blank', '_parent', '_top'];
+
+function addLinkAttributes(link) {
+  var _ref7 = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : {},
+      url = _ref7.url,
+      target = _ref7.target,
+      rel = _ref7.rel;
+
+  link.href = link.title = url ? (0, _util.removeNullCharacters)(url) : '';
+
+  if (url) {
+    var LinkTargetValues = Object.values(LinkTarget);
+    var targetIndex = LinkTargetValues.includes(target) ? target : LinkTarget.NONE;
+    link.target = LinkTargetStringMap[targetIndex];
+    link.rel = typeof rel === 'string' ? rel : DEFAULT_LINK_REL;
+  }
+}
+
+function getFilenameFromUrl(url) {
+  var anchor = url.indexOf('#');
+  var query = url.indexOf('?');
+  var end = Math.min(anchor > 0 ? anchor : url.length, query > 0 ? query : url.length);
+  return url.substring(url.lastIndexOf('/', end) + 1, end);
+}
+
+var StatTimer =
+/*#__PURE__*/
+function () {
+  function StatTimer() {
+    var enable = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;
+
+    _classCallCheck(this, StatTimer);
+
+    this.enabled = !!enable;
+    this.started = Object.create(null);
+    this.times = [];
+  }
+
+  _createClass(StatTimer, [{
+    key: "time",
+    value: function time(name) {
+      if (!this.enabled) {
+        return;
+      }
+
+      if (name in this.started) {
+        (0, _util.warn)('Timer is already running for ' + name);
+      }
+
+      this.started[name] = Date.now();
+    }
+  }, {
+    key: "timeEnd",
+    value: function timeEnd(name) {
+      if (!this.enabled) {
+        return;
+      }
+
+      if (!(name in this.started)) {
+        (0, _util.warn)('Timer has not been started for ' + name);
+      }
+
+      this.times.push({
+        'name': name,
+        'start': this.started[name],
+        'end': Date.now()
+      });
+      delete this.started[name];
+    }
+  }, {
+    key: "toString",
+    value: function toString() {
+      var out = '',
+          longest = 0;
+      var _iteratorNormalCompletion = true;
+      var _didIteratorError = false;
+      var _iteratorError = undefined;
+
+      try {
+        for (var _iterator = this.times[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
+          var time = _step.value;
+          var name = time.name;
+
+          if (name.length > longest) {
+            longest = name.length;
+          }
+        }
+      } catch (err) {
+        _didIteratorError = true;
+        _iteratorError = err;
+      } finally {
+        try {
+          if (!_iteratorNormalCompletion && _iterator["return"] != null) {
+            _iterator["return"]();
+          }
+        } finally {
+          if (_didIteratorError) {
+            throw _iteratorError;
+          }
+        }
+      }
+
+      var _iteratorNormalCompletion2 = true;
+      var _didIteratorError2 = false;
+      var _iteratorError2 = undefined;
+
+      try {
+        for (var _iterator2 = this.times[Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
+          var _time = _step2.value;
+          var duration = _time.end - _time.start;
+          out += "".concat(_time.name.padEnd(longest), " ").concat(duration, "ms\n");
+        }
+      } catch (err) {
+        _didIteratorError2 = true;
+        _iteratorError2 = err;
+      } finally {
+        try {
+          if (!_iteratorNormalCompletion2 && _iterator2["return"] != null) {
+            _iterator2["return"]();
+          }
+        } finally {
+          if (_didIteratorError2) {
+            throw _iteratorError2;
+          }
+        }
+      }
+
+      return out;
+    }
+  }]);
+
+  return StatTimer;
+}();
+
+exports.StatTimer = StatTimer;
+
+var DummyStatTimer =
+/*#__PURE__*/
+function () {
+  function DummyStatTimer() {
+    _classCallCheck(this, DummyStatTimer);
+
+    (0, _util.unreachable)('Cannot initialize DummyStatTimer.');
+  }
+
+  _createClass(DummyStatTimer, null, [{
+    key: "time",
+    value: function time(name) {}
+  }, {
+    key: "timeEnd",
+    value: function timeEnd(name) {}
+  }, {
+    key: "toString",
+    value: function toString() {
+      return '';
+    }
+  }]);
+
+  return DummyStatTimer;
+}();
+
+exports.DummyStatTimer = DummyStatTimer;
+
+function isFetchSupported() {
+  return typeof fetch !== 'undefined' && typeof Response !== 'undefined' && 'body' in Response.prototype && typeof ReadableStream !== 'undefined';
+}
+
+function isValidFetchUrl(url, baseUrl) {
+  try {
+    var _ref8 = baseUrl ? new _util.URL(url, baseUrl) : new _util.URL(url),
+        protocol = _ref8.protocol;
+
+    return protocol === 'http:' || protocol === 'https:';
+  } catch (ex) {
+    return false;
+  }
+}
+
+function loadScript(src) {
+  return new Promise(function (resolve, reject) {
+    var script = document.createElement('script');
+    script.src = src;
+    script.onload = resolve;
+
+    script.onerror = function () {
+      reject(new Error("Cannot load script at: ".concat(script.src)));
+    };
+
+    (document.head || document.documentElement).appendChild(script);
+  });
+}
+
+function deprecated(details) {
+  console.log('Deprecated API usage: ' + details);
+}
+
+function releaseImageResources(img) {
+  (0, _util.assert)(img instanceof Image, 'Invalid `img` parameter.');
+  var url = img.src;
+
+  if (typeof url === 'string' && url.startsWith('blob:') && _util.URL.revokeObjectURL) {
+    _util.URL.revokeObjectURL(url);
+  }
+
+  img.removeAttribute('src');
+}
+
+var pdfDateStringRegex;
+
+var PDFDateString =
+/*#__PURE__*/
+function () {
+  function PDFDateString() {
+    _classCallCheck(this, PDFDateString);
+  }
+
+  _createClass(PDFDateString, null, [{
+    key: "toDateObject",
+    value: function toDateObject(input) {
+      if (!input || !(0, _util.isString)(input)) {
+        return null;
+      }
+
+      if (!pdfDateStringRegex) {
+        pdfDateStringRegex = new RegExp('^D:' + '(\\d{4})' + '(\\d{2})?' + '(\\d{2})?' + '(\\d{2})?' + '(\\d{2})?' + '(\\d{2})?' + '([Z|+|-])?' + '(\\d{2})?' + '\'?' + '(\\d{2})?' + '\'?');
+      }
+
+      var matches = pdfDateStringRegex.exec(input);
+
+      if (!matches) {
+        return null;
+      }
+
+      var year = parseInt(matches[1], 10);
+      var month = parseInt(matches[2], 10);
+      month = month >= 1 && month <= 12 ? month - 1 : 0;
+      var day = parseInt(matches[3], 10);
+      day = day >= 1 && day <= 31 ? day : 1;
+      var hour = parseInt(matches[4], 10);
+      hour = hour >= 0 && hour <= 23 ? hour : 0;
+      var minute = parseInt(matches[5], 10);
+      minute = minute >= 0 && minute <= 59 ? minute : 0;
+      var second = parseInt(matches[6], 10);
+      second = second >= 0 && second <= 59 ? second : 0;
+      var universalTimeRelation = matches[7] || 'Z';
+      var offsetHour = parseInt(matches[8], 10);
+      offsetHour = offsetHour >= 0 && offsetHour <= 23 ? offsetHour : 0;
+      var offsetMinute = parseInt(matches[9], 10) || 0;
+      offsetMinute = offsetMinute >= 0 && offsetMinute <= 59 ? offsetMinute : 0;
+
+      if (universalTimeRelation === '-') {
+        hour += offsetHour;
+        minute += offsetMinute;
+      } else if (universalTimeRelation === '+') {
+        hour -= offsetHour;
+        minute -= offsetMinute;
+      }
+
+      return new Date(Date.UTC(year, month, day, hour, minute, second));
+    }
+  }]);
+
+  return PDFDateString;
+}();
+
+exports.PDFDateString = PDFDateString;
+
+/***/ }),
+/* 152 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.FontLoader = exports.FontFaceObject = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(148));
+
+var _util = __w_pdfjs_require__(1);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var BaseFontLoader =
+/*#__PURE__*/
+function () {
+  function BaseFontLoader(_ref) {
+    var docId = _ref.docId,
+        onUnsupportedFeature = _ref.onUnsupportedFeature;
+
+    _classCallCheck(this, BaseFontLoader);
+
+    if (this.constructor === BaseFontLoader) {
+      (0, _util.unreachable)('Cannot initialize BaseFontLoader.');
+    }
+
+    this.docId = docId;
+    this._onUnsupportedFeature = onUnsupportedFeature;
+    this.nativeFontFaces = [];
+    this.styleElement = null;
+  }
+
+  _createClass(BaseFontLoader, [{
+    key: "addNativeFontFace",
+    value: function addNativeFontFace(nativeFontFace) {
+      this.nativeFontFaces.push(nativeFontFace);
+      document.fonts.add(nativeFontFace);
+    }
+  }, {
+    key: "insertRule",
+    value: function insertRule(rule) {
+      var styleElement = this.styleElement;
+
+      if (!styleElement) {
+        styleElement = this.styleElement = document.createElement('style');
+        styleElement.id = "PDFJS_FONT_STYLE_TAG_".concat(this.docId);
+        document.documentElement.getElementsByTagName('head')[0].appendChild(styleElement);
+      }
+
+      var styleSheet = styleElement.sheet;
+      styleSheet.insertRule(rule, styleSheet.cssRules.length);
+    }
+  }, {
+    key: "clear",
+    value: function clear() {
+      this.nativeFontFaces.forEach(function (nativeFontFace) {
+        document.fonts["delete"](nativeFontFace);
+      });
+      this.nativeFontFaces.length = 0;
+
+      if (this.styleElement) {
+        this.styleElement.remove();
+        this.styleElement = null;
+      }
+    }
+  }, {
+    key: "bind",
+    value: function () {
+      var _bind = _asyncToGenerator(
+      /*#__PURE__*/
+      _regenerator["default"].mark(function _callee(font) {
+        var _this = this;
+
+        var nativeFontFace, rule;
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                if (!(font.attached || font.missingFile)) {
+                  _context.next = 2;
+                  break;
+                }
+
+                return _context.abrupt("return", undefined);
+
+              case 2:
+                font.attached = true;
+
+                if (!this.isFontLoadingAPISupported) {
+                  _context.next = 19;
+                  break;
+                }
+
+                nativeFontFace = font.createNativeFontFace();
+
+                if (!nativeFontFace) {
+                  _context.next = 18;
+                  break;
+                }
+
+                this.addNativeFontFace(nativeFontFace);
+                _context.prev = 7;
+                _context.next = 10;
+                return nativeFontFace.loaded;
+
+              case 10:
+                _context.next = 18;
+                break;
+
+              case 12:
+                _context.prev = 12;
+                _context.t0 = _context["catch"](7);
+
+                this._onUnsupportedFeature({
+                  featureId: _util.UNSUPPORTED_FEATURES.font
+                });
+
+                (0, _util.warn)("Failed to load font '".concat(nativeFontFace.family, "': '").concat(_context.t0, "'."));
+                font.disableFontFace = true;
+                throw _context.t0;
+
+              case 18:
+                return _context.abrupt("return", undefined);
+
+              case 19:
+                rule = font.createFontFaceRule();
+
+                if (!rule) {
+                  _context.next = 25;
+                  break;
+                }
+
+                this.insertRule(rule);
+
+                if (!this.isSyncFontLoadingSupported) {
+                  _context.next = 24;
+                  break;
+                }
+
+                return _context.abrupt("return", undefined);
+
+              case 24:
+                return _context.abrupt("return", new Promise(function (resolve) {
+                  var request = _this._queueLoadingCallback(resolve);
+
+                  _this._prepareFontLoadEvent([rule], [font], request);
+                }));
+
+              case 25:
+                return _context.abrupt("return", undefined);
+
+              case 26:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee, this, [[7, 12]]);
+      }));
+
+      function bind(_x) {
+        return _bind.apply(this, arguments);
+      }
+
+      return bind;
+    }()
+  }, {
+    key: "_queueLoadingCallback",
+    value: function _queueLoadingCallback(callback) {
+      (0, _util.unreachable)('Abstract method `_queueLoadingCallback`.');
+    }
+  }, {
+    key: "_prepareFontLoadEvent",
+    value: function _prepareFontLoadEvent(rules, fontsToLoad, request) {
+      (0, _util.unreachable)('Abstract method `_prepareFontLoadEvent`.');
+    }
+  }, {
+    key: "isFontLoadingAPISupported",
+    get: function get() {
+      (0, _util.unreachable)('Abstract method `isFontLoadingAPISupported`.');
+    }
+  }, {
+    key: "isSyncFontLoadingSupported",
+    get: function get() {
+      (0, _util.unreachable)('Abstract method `isSyncFontLoadingSupported`.');
+    }
+  }, {
+    key: "_loadTestFont",
+    get: function get() {
+      (0, _util.unreachable)('Abstract method `_loadTestFont`.');
+    }
+  }]);
+
+  return BaseFontLoader;
+}();
+
+var FontLoader;
+exports.FontLoader = FontLoader;
+{
+  exports.FontLoader = FontLoader =
+  /*#__PURE__*/
+  function (_BaseFontLoader) {
+    _inherits(GenericFontLoader, _BaseFontLoader);
+
+    function GenericFontLoader(docId) {
+      var _this2;
+
+      _classCallCheck(this, GenericFontLoader);
+
+      _this2 = _possibleConstructorReturn(this, _getPrototypeOf(GenericFontLoader).call(this, docId));
+      _this2.loadingContext = {
+        requests: [],
+        nextRequestId: 0
+      };
+      _this2.loadTestFontId = 0;
+      return _this2;
+    }
+
+    _createClass(GenericFontLoader, [{
+      key: "_queueLoadingCallback",
+      value: function _queueLoadingCallback(callback) {
+        function completeRequest() {
+          (0, _util.assert)(!request.done, 'completeRequest() cannot be called twice.');
+          request.done = true;
+
+          while (context.requests.length > 0 && context.requests[0].done) {
+            var otherRequest = context.requests.shift();
+            setTimeout(otherRequest.callback, 0);
+          }
+        }
+
+        var context = this.loadingContext;
+        var request = {
+          id: "pdfjs-font-loading-".concat(context.nextRequestId++),
+          done: false,
+          complete: completeRequest,
+          callback: callback
+        };
+        context.requests.push(request);
+        return request;
+      }
+    }, {
+      key: "_prepareFontLoadEvent",
+      value: function _prepareFontLoadEvent(rules, fonts, request) {
+        function int32(data, offset) {
+          return data.charCodeAt(offset) << 24 | data.charCodeAt(offset + 1) << 16 | data.charCodeAt(offset + 2) << 8 | data.charCodeAt(offset + 3) & 0xff;
+        }
+
+        function spliceString(s, offset, remove, insert) {
+          var chunk1 = s.substring(0, offset);
+          var chunk2 = s.substring(offset + remove);
+          return chunk1 + insert + chunk2;
+        }
+
+        var i, ii;
+        var canvas = document.createElement('canvas');
+        canvas.width = 1;
+        canvas.height = 1;
+        var ctx = canvas.getContext('2d');
+        var called = 0;
+
+        function isFontReady(name, callback) {
+          called++;
+
+          if (called > 30) {
+            (0, _util.warn)('Load test font never loaded.');
+            callback();
+            return;
+          }
+
+          ctx.font = '30px ' + name;
+          ctx.fillText('.', 0, 20);
+          var imageData = ctx.getImageData(0, 0, 1, 1);
+
+          if (imageData.data[3] > 0) {
+            callback();
+            return;
+          }
+
+          setTimeout(isFontReady.bind(null, name, callback));
+        }
+
+        var loadTestFontId = "lt".concat(Date.now()).concat(this.loadTestFontId++);
+        var data = this._loadTestFont;
+        var COMMENT_OFFSET = 976;
+        data = spliceString(data, COMMENT_OFFSET, loadTestFontId.length, loadTestFontId);
+        var CFF_CHECKSUM_OFFSET = 16;
+        var XXXX_VALUE = 0x58585858;
+        var checksum = int32(data, CFF_CHECKSUM_OFFSET);
+
+        for (i = 0, ii = loadTestFontId.length - 3; i < ii; i += 4) {
+          checksum = checksum - XXXX_VALUE + int32(loadTestFontId, i) | 0;
+        }
+
+        if (i < loadTestFontId.length) {
+          checksum = checksum - XXXX_VALUE + int32(loadTestFontId + 'XXX', i) | 0;
+        }
+
+        data = spliceString(data, CFF_CHECKSUM_OFFSET, 4, (0, _util.string32)(checksum));
+        var url = "url(data:font/opentype;base64,".concat(btoa(data), ");");
+        var rule = "@font-face {font-family:\"".concat(loadTestFontId, "\";src:").concat(url, "}");
+        this.insertRule(rule);
+        var names = [];
+
+        for (i = 0, ii = fonts.length; i < ii; i++) {
+          names.push(fonts[i].loadedName);
+        }
+
+        names.push(loadTestFontId);
+        var div = document.createElement('div');
+        div.setAttribute('style', 'visibility: hidden;' + 'width: 10px; height: 10px;' + 'position: absolute; top: 0px; left: 0px;');
+
+        for (i = 0, ii = names.length; i < ii; ++i) {
+          var span = document.createElement('span');
+          span.textContent = 'Hi';
+          span.style.fontFamily = names[i];
+          div.appendChild(span);
+        }
+
+        document.body.appendChild(div);
+        isFontReady(loadTestFontId, function () {
+          document.body.removeChild(div);
+          request.complete();
+        });
+      }
+    }, {
+      key: "isFontLoadingAPISupported",
+      get: function get() {
+        var supported = typeof document !== 'undefined' && !!document.fonts;
+
+        if (supported && typeof navigator !== 'undefined') {
+          var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);
+
+          if (m && m[1] < 63) {
+            supported = false;
+          }
+        }
+
+        return (0, _util.shadow)(this, 'isFontLoadingAPISupported', supported);
+      }
+    }, {
+      key: "isSyncFontLoadingSupported",
+      get: function get() {
+        var supported = false;
+
+        if (typeof navigator === 'undefined') {
+          supported = true;
+        } else {
+          var m = /Mozilla\/5.0.*?rv:(\d+).*? Gecko/.exec(navigator.userAgent);
+
+          if (m && m[1] >= 14) {
+            supported = true;
+          }
+        }
+
+        return (0, _util.shadow)(this, 'isSyncFontLoadingSupported', supported);
+      }
+    }, {
+      key: "_loadTestFont",
+      get: function get() {
+        var getLoadTestFont = function getLoadTestFont() {
+          return atob('T1RUTwALAIAAAwAwQ0ZGIDHtZg4AAAOYAAAAgUZGVE1lkzZwAAAEHAAAABxHREVGABQA' + 'FQAABDgAAAAeT1MvMlYNYwkAAAEgAAAAYGNtYXABDQLUAAACNAAAAUJoZWFk/xVFDQAA' + 'ALwAAAA2aGhlYQdkA+oAAAD0AAAAJGhtdHgD6AAAAAAEWAAAAAZtYXhwAAJQAAAAARgA' + 'AAAGbmFtZVjmdH4AAAGAAAAAsXBvc3T/hgAzAAADeAAAACAAAQAAAAEAALZRFsRfDzz1' + 'AAsD6AAAAADOBOTLAAAAAM4KHDwAAAAAA+gDIQAAAAgAAgAAAAAAAAABAAADIQAAAFoD' + '6AAAAAAD6AABAAAAAAAAAAAAAAAAAAAAAQAAUAAAAgAAAAQD6AH0AAUAAAKKArwAAACM' + 'AooCvAAAAeAAMQECAAACAAYJAAAAAAAAAAAAAQAAAAAAAAAAAAAAAFBmRWQAwAAuAC4D' + 'IP84AFoDIQAAAAAAAQAAAAAAAAAAACAAIAABAAAADgCuAAEAAAAAAAAAAQAAAAEAAAAA' + 'AAEAAQAAAAEAAAAAAAIAAQAAAAEAAAAAAAMAAQAAAAEAAAAAAAQAAQAAAAEAAAAAAAUA' + 'AQAAAAEAAAAAAAYAAQAAAAMAAQQJAAAAAgABAAMAAQQJAAEAAgABAAMAAQQJAAIAAgAB' + 'AAMAAQQJAAMAAgABAAMAAQQJAAQAAgABAAMAAQQJAAUAAgABAAMAAQQJAAYAAgABWABY' + 'AAAAAAAAAwAAAAMAAAAcAAEAAAAAADwAAwABAAAAHAAEACAAAAAEAAQAAQAAAC7//wAA' + 'AC7////TAAEAAAAAAAABBgAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' + 'AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMAAAAAAAD/gwAyAAAAAQAAAAAAAAAAAAAAAAAA' + 'AAABAAQEAAEBAQJYAAEBASH4DwD4GwHEAvgcA/gXBIwMAYuL+nz5tQXkD5j3CBLnEQAC' + 'AQEBIVhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYWFhYAAABAQAADwACAQEEE/t3' + 'Dov6fAH6fAT+fPp8+nwHDosMCvm1Cvm1DAz6fBQAAAAAAAABAAAAAMmJbzEAAAAAzgTj' + 'FQAAAADOBOQpAAEAAAAAAAAADAAUAAQAAAABAAAAAgABAAAAAAAAAAAD6AAAAAAAAA==');
+        };
+
+        return (0, _util.shadow)(this, '_loadTestFont', getLoadTestFont());
+      }
+    }]);
+
+    return GenericFontLoader;
+  }(BaseFontLoader);
+}
+var IsEvalSupportedCached = {
+  get value() {
+    return (0, _util.shadow)(this, 'value', (0, _util.isEvalSupported)());
+  }
+
+};
+
+var FontFaceObject =
+/*#__PURE__*/
+function () {
+  function FontFaceObject(translatedData, _ref2) {
+    var _ref2$isEvalSupported = _ref2.isEvalSupported,
+        isEvalSupported = _ref2$isEvalSupported === void 0 ? true : _ref2$isEvalSupported,
+        _ref2$disableFontFace = _ref2.disableFontFace,
+        disableFontFace = _ref2$disableFontFace === void 0 ? false : _ref2$disableFontFace,
+        _ref2$ignoreErrors = _ref2.ignoreErrors,
+        ignoreErrors = _ref2$ignoreErrors === void 0 ? false : _ref2$ignoreErrors,
+        _ref2$onUnsupportedFe = _ref2.onUnsupportedFeature,
+        onUnsupportedFeature = _ref2$onUnsupportedFe === void 0 ? null : _ref2$onUnsupportedFe,
+        _ref2$fontRegistry = _ref2.fontRegistry,
+        fontRegistry = _ref2$fontRegistry === void 0 ? null : _ref2$fontRegistry;
+
+    _classCallCheck(this, FontFaceObject);
+
+    this.compiledGlyphs = Object.create(null);
+
+    for (var i in translatedData) {
+      this[i] = translatedData[i];
+    }
+
+    this.isEvalSupported = isEvalSupported !== false;
+    this.disableFontFace = disableFontFace === true;
+    this.ignoreErrors = ignoreErrors === true;
+    this._onUnsupportedFeature = onUnsupportedFeature;
+    this.fontRegistry = fontRegistry;
+  }
+
+  _createClass(FontFaceObject, [{
+    key: "createNativeFontFace",
+    value: function createNativeFontFace() {
+      if (!this.data || this.disableFontFace) {
+        return null;
+      }
+
+      var nativeFontFace = new FontFace(this.loadedName, this.data, {});
+
+      if (this.fontRegistry) {
+        this.fontRegistry.registerFont(this);
+      }
+
+      return nativeFontFace;
+    }
+  }, {
+    key: "createFontFaceRule",
+    value: function createFontFaceRule() {
+      if (!this.data || this.disableFontFace) {
+        return null;
+      }
+
+      var data = (0, _util.bytesToString)(new Uint8Array(this.data));
+      var url = "url(data:".concat(this.mimetype, ";base64,").concat(btoa(data), ");");
+      var rule = "@font-face {font-family:\"".concat(this.loadedName, "\";src:").concat(url, "}");
+
+      if (this.fontRegistry) {
+        this.fontRegistry.registerFont(this, url);
+      }
+
+      return rule;
+    }
+  }, {
+    key: "getPathGenerator",
+    value: function getPathGenerator(objs, character) {
+      if (this.compiledGlyphs[character] !== undefined) {
+        return this.compiledGlyphs[character];
+      }
+
+      var cmds, current;
+
+      try {
+        cmds = objs.get(this.loadedName + '_path_' + character);
+      } catch (ex) {
+        if (!this.ignoreErrors) {
+          throw ex;
+        }
+
+        if (this._onUnsupportedFeature) {
+          this._onUnsupportedFeature({
+            featureId: _util.UNSUPPORTED_FEATURES.font
+          });
+        }
+
+        (0, _util.warn)("getPathGenerator - ignoring character: \"".concat(ex, "\"."));
+        return this.compiledGlyphs[character] = function (c, size) {};
+      }
+
+      if (this.isEvalSupported && IsEvalSupportedCached.value) {
+        var args,
+            js = '';
+
+        for (var i = 0, ii = cmds.length; i < ii; i++) {
+          current = cmds[i];
+
+          if (current.args !== undefined) {
+            args = current.args.join(',');
+          } else {
+            args = '';
+          }
+
+          js += 'c.' + current.cmd + '(' + args + ');\n';
+        }
+
+        return this.compiledGlyphs[character] = new Function('c', 'size', js);
+      }
+
+      return this.compiledGlyphs[character] = function (c, size) {
+        for (var _i = 0, _ii = cmds.length; _i < _ii; _i++) {
+          current = cmds[_i];
+
+          if (current.cmd === 'scale') {
+            current.args = [size, -size];
+          }
+
+          c[current.cmd].apply(c, current.args);
+        }
+      };
+    }
+  }]);
+
+  return FontFaceObject;
+}();
+
+exports.FontFaceObject = FontFaceObject;
+
+/***/ }),
+/* 153 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+var compatibilityParams = Object.create(null);
+{
+  var isNodeJS = __w_pdfjs_require__(4);
+
+  var userAgent = typeof navigator !== 'undefined' && navigator.userAgent || '';
+  var isIE = /Trident/.test(userAgent);
+  var isIOSChrome = /CriOS/.test(userAgent);
+
+  (function checkOnBlobSupport() {
+    if (isIE || isIOSChrome) {
+      compatibilityParams.disableCreateObjectURL = true;
+    }
+  })();
+
+  (function checkFontFaceAndImage() {
+    if (isNodeJS()) {
+      compatibilityParams.disableFontFace = true;
+      compatibilityParams.nativeImageDecoderSupport = 'none';
+    }
+  })();
+}
+exports.apiCompatibilityParams = Object.freeze(compatibilityParams);
+
+/***/ }),
+/* 154 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.CanvasGraphics = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+var _pattern_helper = __w_pdfjs_require__(155);
+
+var MIN_FONT_SIZE = 16;
+var MAX_FONT_SIZE = 100;
+var MAX_GROUP_SIZE = 4096;
+var MIN_WIDTH_FACTOR = 0.65;
+var COMPILE_TYPE3_GLYPHS = true;
+var MAX_SIZE_TO_COMPILE = 1000;
+var FULL_CHUNK_HEIGHT = 16;
+var IsLittleEndianCached = {
+  get value() {
+    return (0, _util.shadow)(IsLittleEndianCached, 'value', (0, _util.isLittleEndian)());
+  }
+
+};
+
+function addContextCurrentTransform(ctx) {
+  if (!ctx.mozCurrentTransform) {
+    ctx._originalSave = ctx.save;
+    ctx._originalRestore = ctx.restore;
+    ctx._originalRotate = ctx.rotate;
+    ctx._originalScale = ctx.scale;
+    ctx._originalTranslate = ctx.translate;
+    ctx._originalTransform = ctx.transform;
+    ctx._originalSetTransform = ctx.setTransform;
+    ctx._transformMatrix = ctx._transformMatrix || [1, 0, 0, 1, 0, 0];
+    ctx._transformStack = [];
+    Object.defineProperty(ctx, 'mozCurrentTransform', {
+      get: function getCurrentTransform() {
+        return this._transformMatrix;
+      }
+    });
+    Object.defineProperty(ctx, 'mozCurrentTransformInverse', {
+      get: function getCurrentTransformInverse() {
+        var m = this._transformMatrix;
+        var a = m[0],
+            b = m[1],
+            c = m[2],
+            d = m[3],
+            e = m[4],
+            f = m[5];
+        var ad_bc = a * d - b * c;
+        var bc_ad = b * c - a * d;
+        return [d / ad_bc, b / bc_ad, c / bc_ad, a / ad_bc, (d * e - c * f) / bc_ad, (b * e - a * f) / ad_bc];
+      }
+    });
+
+    ctx.save = function ctxSave() {
+      var old = this._transformMatrix;
+
+      this._transformStack.push(old);
+
+      this._transformMatrix = old.slice(0, 6);
+
+      this._originalSave();
+    };
+
+    ctx.restore = function ctxRestore() {
+      var prev = this._transformStack.pop();
+
+      if (prev) {
+        this._transformMatrix = prev;
+
+        this._originalRestore();
+      }
+    };
+
+    ctx.translate = function ctxTranslate(x, y) {
+      var m = this._transformMatrix;
+      m[4] = m[0] * x + m[2] * y + m[4];
+      m[5] = m[1] * x + m[3] * y + m[5];
+
+      this._originalTranslate(x, y);
+    };
+
+    ctx.scale = function ctxScale(x, y) {
+      var m = this._transformMatrix;
+      m[0] = m[0] * x;
+      m[1] = m[1] * x;
+      m[2] = m[2] * y;
+      m[3] = m[3] * y;
+
+      this._originalScale(x, y);
+    };
+
+    ctx.transform = function ctxTransform(a, b, c, d, e, f) {
+      var m = this._transformMatrix;
+      this._transformMatrix = [m[0] * a + m[2] * b, m[1] * a + m[3] * b, m[0] * c + m[2] * d, m[1] * c + m[3] * d, m[0] * e + m[2] * f + m[4], m[1] * e + m[3] * f + m[5]];
+
+      ctx._originalTransform(a, b, c, d, e, f);
+    };
+
+    ctx.setTransform = function ctxSetTransform(a, b, c, d, e, f) {
+      this._transformMatrix = [a, b, c, d, e, f];
+
+      ctx._originalSetTransform(a, b, c, d, e, f);
+    };
+
+    ctx.rotate = function ctxRotate(angle) {
+      var cosValue = Math.cos(angle);
+      var sinValue = Math.sin(angle);
+      var m = this._transformMatrix;
+      this._transformMatrix = [m[0] * cosValue + m[2] * sinValue, m[1] * cosValue + m[3] * sinValue, m[0] * -sinValue + m[2] * cosValue, m[1] * -sinValue + m[3] * cosValue, m[4], m[5]];
+
+      this._originalRotate(angle);
+    };
+  }
+}
+
+var CachedCanvases = function CachedCanvasesClosure() {
+  function CachedCanvases(canvasFactory) {
+    this.canvasFactory = canvasFactory;
+    this.cache = Object.create(null);
+  }
+
+  CachedCanvases.prototype = {
+    getCanvas: function CachedCanvases_getCanvas(id, width, height, trackTransform) {
+      var canvasEntry;
+
+      if (this.cache[id] !== undefined) {
+        canvasEntry = this.cache[id];
+        this.canvasFactory.reset(canvasEntry, width, height);
+        canvasEntry.context.setTransform(1, 0, 0, 1, 0, 0);
+      } else {
+        canvasEntry = this.canvasFactory.create(width, height);
+        this.cache[id] = canvasEntry;
+      }
+
+      if (trackTransform) {
+        addContextCurrentTransform(canvasEntry.context);
+      }
+
+      return canvasEntry;
+    },
+    clear: function clear() {
+      for (var id in this.cache) {
+        var canvasEntry = this.cache[id];
+        this.canvasFactory.destroy(canvasEntry);
+        delete this.cache[id];
+      }
+    }
+  };
+  return CachedCanvases;
+}();
+
+function compileType3Glyph(imgData) {
+  var POINT_TO_PROCESS_LIMIT = 1000;
+  var width = imgData.width,
+      height = imgData.height;
+  var i,
+      j,
+      j0,
+      width1 = width + 1;
+  var points = new Uint8Array(width1 * (height + 1));
+  var POINT_TYPES = new Uint8Array([0, 2, 4, 0, 1, 0, 5, 4, 8, 10, 0, 8, 0, 2, 1, 0]);
+  var lineSize = width + 7 & ~7,
+      data0 = imgData.data;
+  var data = new Uint8Array(lineSize * height),
+      pos = 0,
+      ii;
+
+  for (i = 0, ii = data0.length; i < ii; i++) {
+    var mask = 128,
+        elem = data0[i];
+
+    while (mask > 0) {
+      data[pos++] = elem & mask ? 0 : 255;
+      mask >>= 1;
+    }
+  }
+
+  var count = 0;
+  pos = 0;
+
+  if (data[pos] !== 0) {
+    points[0] = 1;
+    ++count;
+  }
+
+  for (j = 1; j < width; j++) {
+    if (data[pos] !== data[pos + 1]) {
+      points[j] = data[pos] ? 2 : 1;
+      ++count;
+    }
+
+    pos++;
+  }
+
+  if (data[pos] !== 0) {
+    points[j] = 2;
+    ++count;
+  }
+
+  for (i = 1; i < height; i++) {
+    pos = i * lineSize;
+    j0 = i * width1;
+
+    if (data[pos - lineSize] !== data[pos]) {
+      points[j0] = data[pos] ? 1 : 8;
+      ++count;
+    }
+
+    var sum = (data[pos] ? 4 : 0) + (data[pos - lineSize] ? 8 : 0);
+
+    for (j = 1; j < width; j++) {
+      sum = (sum >> 2) + (data[pos + 1] ? 4 : 0) + (data[pos - lineSize + 1] ? 8 : 0);
+
+      if (POINT_TYPES[sum]) {
+        points[j0 + j] = POINT_TYPES[sum];
+        ++count;
+      }
+
+      pos++;
+    }
+
+    if (data[pos - lineSize] !== data[pos]) {
+      points[j0 + j] = data[pos] ? 2 : 4;
+      ++count;
+    }
+
+    if (count > POINT_TO_PROCESS_LIMIT) {
+      return null;
+    }
+  }
+
+  pos = lineSize * (height - 1);
+  j0 = i * width1;
+
+  if (data[pos] !== 0) {
+    points[j0] = 8;
+    ++count;
+  }
+
+  for (j = 1; j < width; j++) {
+    if (data[pos] !== data[pos + 1]) {
+      points[j0 + j] = data[pos] ? 4 : 8;
+      ++count;
+    }
+
+    pos++;
+  }
+
+  if (data[pos] !== 0) {
+    points[j0 + j] = 4;
+    ++count;
+  }
+
+  if (count > POINT_TO_PROCESS_LIMIT) {
+    return null;
+  }
+
+  var steps = new Int32Array([0, width1, -1, 0, -width1, 0, 0, 0, 1]);
+  var outlines = [];
+
+  for (i = 0; count && i <= height; i++) {
+    var p = i * width1;
+    var end = p + width;
+
+    while (p < end && !points[p]) {
+      p++;
+    }
+
+    if (p === end) {
+      continue;
+    }
+
+    var coords = [p % width1, i];
+    var type = points[p],
+        p0 = p,
+        pp;
+
+    do {
+      var step = steps[type];
+
+      do {
+        p += step;
+      } while (!points[p]);
+
+      pp = points[p];
+
+      if (pp !== 5 && pp !== 10) {
+        type = pp;
+        points[p] = 0;
+      } else {
+        type = pp & 0x33 * type >> 4;
+        points[p] &= type >> 2 | type << 2;
+      }
+
+      coords.push(p % width1);
+      coords.push(p / width1 | 0);
+
+      if (!points[p]) {
+        --count;
+      }
+    } while (p0 !== p);
+
+    outlines.push(coords);
+    --i;
+  }
+
+  var drawOutline = function drawOutline(c) {
+    c.save();
+    c.scale(1 / width, -1 / height);
+    c.translate(0, -height);
+    c.beginPath();
+
+    for (var i = 0, ii = outlines.length; i < ii; i++) {
+      var o = outlines[i];
+      c.moveTo(o[0], o[1]);
+
+      for (var j = 2, jj = o.length; j < jj; j += 2) {
+        c.lineTo(o[j], o[j + 1]);
+      }
+    }
+
+    c.fill();
+    c.beginPath();
+    c.restore();
+  };
+
+  return drawOutline;
+}
+
+var CanvasExtraState = function CanvasExtraStateClosure() {
+  function CanvasExtraState() {
+    this.alphaIsShape = false;
+    this.fontSize = 0;
+    this.fontSizeScale = 1;
+    this.textMatrix = _util.IDENTITY_MATRIX;
+    this.textMatrixScale = 1;
+    this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
+    this.leading = 0;
+    this.x = 0;
+    this.y = 0;
+    this.lineX = 0;
+    this.lineY = 0;
+    this.charSpacing = 0;
+    this.wordSpacing = 0;
+    this.textHScale = 1;
+    this.textRenderingMode = _util.TextRenderingMode.FILL;
+    this.textRise = 0;
+    this.fillColor = '#000000';
+    this.strokeColor = '#000000';
+    this.patternFill = false;
+    this.fillAlpha = 1;
+    this.strokeAlpha = 1;
+    this.lineWidth = 1;
+    this.activeSMask = null;
+    this.resumeSMaskCtx = null;
+  }
+
+  CanvasExtraState.prototype = {
+    clone: function CanvasExtraState_clone() {
+      return Object.create(this);
+    },
+    setCurrentPoint: function CanvasExtraState_setCurrentPoint(x, y) {
+      this.x = x;
+      this.y = y;
+    }
+  };
+  return CanvasExtraState;
+}();
+
+var CanvasGraphics = function CanvasGraphicsClosure() {
+  var EXECUTION_TIME = 15;
+  var EXECUTION_STEPS = 10;
+
+  function CanvasGraphics(canvasCtx, commonObjs, objs, canvasFactory, webGLContext, imageLayer) {
+    this.ctx = canvasCtx;
+    this.current = new CanvasExtraState();
+    this.stateStack = [];
+    this.pendingClip = null;
+    this.pendingEOFill = false;
+    this.res = null;
+    this.xobjs = null;
+    this.commonObjs = commonObjs;
+    this.objs = objs;
+    this.canvasFactory = canvasFactory;
+    this.webGLContext = webGLContext;
+    this.imageLayer = imageLayer;
+    this.groupStack = [];
+    this.processingType3 = null;
+    this.baseTransform = null;
+    this.baseTransformStack = [];
+    this.groupLevel = 0;
+    this.smaskStack = [];
+    this.smaskCounter = 0;
+    this.tempSMask = null;
+    this.cachedCanvases = new CachedCanvases(this.canvasFactory);
+
+    if (canvasCtx) {
+      addContextCurrentTransform(canvasCtx);
+    }
+
+    this._cachedGetSinglePixelWidth = null;
+  }
+
+  function putBinaryImageData(ctx, imgData) {
+    if (typeof ImageData !== 'undefined' && imgData instanceof ImageData) {
+      ctx.putImageData(imgData, 0, 0);
+      return;
+    }
+
+    var height = imgData.height,
+        width = imgData.width;
+    var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
+    var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
+    var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
+    var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
+    var srcPos = 0,
+        destPos;
+    var src = imgData.data;
+    var dest = chunkImgData.data;
+    var i, j, thisChunkHeight, elemsInThisChunk;
+
+    if (imgData.kind === _util.ImageKind.GRAYSCALE_1BPP) {
+      var srcLength = src.byteLength;
+      var dest32 = new Uint32Array(dest.buffer, 0, dest.byteLength >> 2);
+      var dest32DataLength = dest32.length;
+      var fullSrcDiff = width + 7 >> 3;
+      var white = 0xFFFFFFFF;
+      var black = IsLittleEndianCached.value ? 0xFF000000 : 0x000000FF;
+
+      for (i = 0; i < totalChunks; i++) {
+        thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
+        destPos = 0;
+
+        for (j = 0; j < thisChunkHeight; j++) {
+          var srcDiff = srcLength - srcPos;
+          var k = 0;
+          var kEnd = srcDiff > fullSrcDiff ? width : srcDiff * 8 - 7;
+          var kEndUnrolled = kEnd & ~7;
+          var mask = 0;
+          var srcByte = 0;
+
+          for (; k < kEndUnrolled; k += 8) {
+            srcByte = src[srcPos++];
+            dest32[destPos++] = srcByte & 128 ? white : black;
+            dest32[destPos++] = srcByte & 64 ? white : black;
+            dest32[destPos++] = srcByte & 32 ? white : black;
+            dest32[destPos++] = srcByte & 16 ? white : black;
+            dest32[destPos++] = srcByte & 8 ? white : black;
+            dest32[destPos++] = srcByte & 4 ? white : black;
+            dest32[destPos++] = srcByte & 2 ? white : black;
+            dest32[destPos++] = srcByte & 1 ? white : black;
+          }
+
+          for (; k < kEnd; k++) {
+            if (mask === 0) {
+              srcByte = src[srcPos++];
+              mask = 128;
+            }
+
+            dest32[destPos++] = srcByte & mask ? white : black;
+            mask >>= 1;
+          }
+        }
+
+        while (destPos < dest32DataLength) {
+          dest32[destPos++] = 0;
+        }
+
+        ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
+      }
+    } else if (imgData.kind === _util.ImageKind.RGBA_32BPP) {
+      j = 0;
+      elemsInThisChunk = width * FULL_CHUNK_HEIGHT * 4;
+
+      for (i = 0; i < fullChunks; i++) {
+        dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
+        srcPos += elemsInThisChunk;
+        ctx.putImageData(chunkImgData, 0, j);
+        j += FULL_CHUNK_HEIGHT;
+      }
+
+      if (i < totalChunks) {
+        elemsInThisChunk = width * partialChunkHeight * 4;
+        dest.set(src.subarray(srcPos, srcPos + elemsInThisChunk));
+        ctx.putImageData(chunkImgData, 0, j);
+      }
+    } else if (imgData.kind === _util.ImageKind.RGB_24BPP) {
+      thisChunkHeight = FULL_CHUNK_HEIGHT;
+      elemsInThisChunk = width * thisChunkHeight;
+
+      for (i = 0; i < totalChunks; i++) {
+        if (i >= fullChunks) {
+          thisChunkHeight = partialChunkHeight;
+          elemsInThisChunk = width * thisChunkHeight;
+        }
+
+        destPos = 0;
+
+        for (j = elemsInThisChunk; j--;) {
+          dest[destPos++] = src[srcPos++];
+          dest[destPos++] = src[srcPos++];
+          dest[destPos++] = src[srcPos++];
+          dest[destPos++] = 255;
+        }
+
+        ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
+      }
+    } else {
+      throw new Error("bad image kind: ".concat(imgData.kind));
+    }
+  }
+
+  function putBinaryImageMask(ctx, imgData) {
+    var height = imgData.height,
+        width = imgData.width;
+    var partialChunkHeight = height % FULL_CHUNK_HEIGHT;
+    var fullChunks = (height - partialChunkHeight) / FULL_CHUNK_HEIGHT;
+    var totalChunks = partialChunkHeight === 0 ? fullChunks : fullChunks + 1;
+    var chunkImgData = ctx.createImageData(width, FULL_CHUNK_HEIGHT);
+    var srcPos = 0;
+    var src = imgData.data;
+    var dest = chunkImgData.data;
+
+    for (var i = 0; i < totalChunks; i++) {
+      var thisChunkHeight = i < fullChunks ? FULL_CHUNK_HEIGHT : partialChunkHeight;
+      var destPos = 3;
+
+      for (var j = 0; j < thisChunkHeight; j++) {
+        var mask = 0;
+
+        for (var k = 0; k < width; k++) {
+          if (!mask) {
+            var elem = src[srcPos++];
+            mask = 128;
+          }
+
+          dest[destPos] = elem & mask ? 0 : 255;
+          destPos += 4;
+          mask >>= 1;
+        }
+      }
+
+      ctx.putImageData(chunkImgData, 0, i * FULL_CHUNK_HEIGHT);
+    }
+  }
+
+  function copyCtxState(sourceCtx, destCtx) {
+    var properties = ['strokeStyle', 'fillStyle', 'fillRule', 'globalAlpha', 'lineWidth', 'lineCap', 'lineJoin', 'miterLimit', 'globalCompositeOperation', 'font'];
+
+    for (var i = 0, ii = properties.length; i < ii; i++) {
+      var property = properties[i];
+
+      if (sourceCtx[property] !== undefined) {
+        destCtx[property] = sourceCtx[property];
+      }
+    }
+
+    if (sourceCtx.setLineDash !== undefined) {
+      destCtx.setLineDash(sourceCtx.getLineDash());
+      destCtx.lineDashOffset = sourceCtx.lineDashOffset;
+    }
+  }
+
+  function resetCtxToDefault(ctx) {
+    ctx.strokeStyle = '#000000';
+    ctx.fillStyle = '#000000';
+    ctx.fillRule = 'nonzero';
+    ctx.globalAlpha = 1;
+    ctx.lineWidth = 1;
+    ctx.lineCap = 'butt';
+    ctx.lineJoin = 'miter';
+    ctx.miterLimit = 10;
+    ctx.globalCompositeOperation = 'source-over';
+    ctx.font = '10px sans-serif';
+
+    if (ctx.setLineDash !== undefined) {
+      ctx.setLineDash([]);
+      ctx.lineDashOffset = 0;
+    }
+  }
+
+  function composeSMaskBackdrop(bytes, r0, g0, b0) {
+    var length = bytes.length;
+
+    for (var i = 3; i < length; i += 4) {
+      var alpha = bytes[i];
+
+      if (alpha === 0) {
+        bytes[i - 3] = r0;
+        bytes[i - 2] = g0;
+        bytes[i - 1] = b0;
+      } else if (alpha < 255) {
+        var alpha_ = 255 - alpha;
+        bytes[i - 3] = bytes[i - 3] * alpha + r0 * alpha_ >> 8;
+        bytes[i - 2] = bytes[i - 2] * alpha + g0 * alpha_ >> 8;
+        bytes[i - 1] = bytes[i - 1] * alpha + b0 * alpha_ >> 8;
+      }
+    }
+  }
+
+  function composeSMaskAlpha(maskData, layerData, transferMap) {
+    var length = maskData.length;
+    var scale = 1 / 255;
+
+    for (var i = 3; i < length; i += 4) {
+      var alpha = transferMap ? transferMap[maskData[i]] : maskData[i];
+      layerData[i] = layerData[i] * alpha * scale | 0;
+    }
+  }
+
+  function composeSMaskLuminosity(maskData, layerData, transferMap) {
+    var length = maskData.length;
+
+    for (var i = 3; i < length; i += 4) {
+      var y = maskData[i - 3] * 77 + maskData[i - 2] * 152 + maskData[i - 1] * 28;
+      layerData[i] = transferMap ? layerData[i] * transferMap[y >> 8] >> 8 : layerData[i] * y >> 16;
+    }
+  }
+
+  function genericComposeSMask(maskCtx, layerCtx, width, height, subtype, backdrop, transferMap) {
+    var hasBackdrop = !!backdrop;
+    var r0 = hasBackdrop ? backdrop[0] : 0;
+    var g0 = hasBackdrop ? backdrop[1] : 0;
+    var b0 = hasBackdrop ? backdrop[2] : 0;
+    var composeFn;
+
+    if (subtype === 'Luminosity') {
+      composeFn = composeSMaskLuminosity;
+    } else {
+      composeFn = composeSMaskAlpha;
+    }
+
+    var PIXELS_TO_PROCESS = 1048576;
+    var chunkSize = Math.min(height, Math.ceil(PIXELS_TO_PROCESS / width));
+
+    for (var row = 0; row < height; row += chunkSize) {
+      var chunkHeight = Math.min(chunkSize, height - row);
+      var maskData = maskCtx.getImageData(0, row, width, chunkHeight);
+      var layerData = layerCtx.getImageData(0, row, width, chunkHeight);
+
+      if (hasBackdrop) {
+        composeSMaskBackdrop(maskData.data, r0, g0, b0);
+      }
+
+      composeFn(maskData.data, layerData.data, transferMap);
+      maskCtx.putImageData(layerData, 0, row);
+    }
+  }
+
+  function composeSMask(ctx, smask, layerCtx, webGLContext) {
+    var mask = smask.canvas;
+    var maskCtx = smask.context;
+    ctx.setTransform(smask.scaleX, 0, 0, smask.scaleY, smask.offsetX, smask.offsetY);
+    var backdrop = smask.backdrop || null;
+
+    if (!smask.transferMap && webGLContext.isEnabled) {
+      var composed = webGLContext.composeSMask({
+        layer: layerCtx.canvas,
+        mask: mask,
+        properties: {
+          subtype: smask.subtype,
+          backdrop: backdrop
+        }
+      });
+      ctx.setTransform(1, 0, 0, 1, 0, 0);
+      ctx.drawImage(composed, smask.offsetX, smask.offsetY);
+      return;
+    }
+
+    genericComposeSMask(maskCtx, layerCtx, mask.width, mask.height, smask.subtype, backdrop, smask.transferMap);
+    ctx.drawImage(mask, 0, 0);
+  }
+
+  var LINE_CAP_STYLES = ['butt', 'round', 'square'];
+  var LINE_JOIN_STYLES = ['miter', 'round', 'bevel'];
+  var NORMAL_CLIP = {};
+  var EO_CLIP = {};
+  CanvasGraphics.prototype = {
+    beginDrawing: function beginDrawing(_ref) {
+      var transform = _ref.transform,
+          viewport = _ref.viewport,
+          _ref$transparency = _ref.transparency,
+          transparency = _ref$transparency === void 0 ? false : _ref$transparency,
+          _ref$background = _ref.background,
+          background = _ref$background === void 0 ? null : _ref$background;
+      var width = this.ctx.canvas.width;
+      var height = this.ctx.canvas.height;
+      this.ctx.save();
+      this.ctx.fillStyle = background || 'rgb(255, 255, 255)';
+      this.ctx.fillRect(0, 0, width, height);
+      this.ctx.restore();
+
+      if (transparency) {
+        var transparentCanvas = this.cachedCanvases.getCanvas('transparent', width, height, true);
+        this.compositeCtx = this.ctx;
+        this.transparentCanvas = transparentCanvas.canvas;
+        this.ctx = transparentCanvas.context;
+        this.ctx.save();
+        this.ctx.transform.apply(this.ctx, this.compositeCtx.mozCurrentTransform);
+      }
+
+      this.ctx.save();
+      resetCtxToDefault(this.ctx);
+
+      if (transform) {
+        this.ctx.transform.apply(this.ctx, transform);
+      }
+
+      this.ctx.transform.apply(this.ctx, viewport.transform);
+      this.baseTransform = this.ctx.mozCurrentTransform.slice();
+
+      if (this.imageLayer) {
+        this.imageLayer.beginLayout();
+      }
+    },
+    executeOperatorList: function CanvasGraphics_executeOperatorList(operatorList, executionStartIdx, continueCallback, stepper) {
+      var argsArray = operatorList.argsArray;
+      var fnArray = operatorList.fnArray;
+      var i = executionStartIdx || 0;
+      var argsArrayLen = argsArray.length;
+
+      if (argsArrayLen === i) {
+        return i;
+      }
+
+      var chunkOperations = argsArrayLen - i > EXECUTION_STEPS && typeof continueCallback === 'function';
+      var endTime = chunkOperations ? Date.now() + EXECUTION_TIME : 0;
+      var steps = 0;
+      var commonObjs = this.commonObjs;
+      var objs = this.objs;
+      var fnId;
+
+      while (true) {
+        if (stepper !== undefined && i === stepper.nextBreakPoint) {
+          stepper.breakIt(i, continueCallback);
+          return i;
+        }
+
+        fnId = fnArray[i];
+
+        if (fnId !== _util.OPS.dependency) {
+          this[fnId].apply(this, argsArray[i]);
+        } else {
+          var _iteratorNormalCompletion = true;
+          var _didIteratorError = false;
+          var _iteratorError = undefined;
+
+          try {
+            for (var _iterator = argsArray[i][Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
+              var depObjId = _step.value;
+              var objsPool = depObjId.startsWith('g_') ? commonObjs : objs;
+
+              if (!objsPool.has(depObjId)) {
+                objsPool.get(depObjId, continueCallback);
+                return i;
+              }
+            }
+          } catch (err) {
+            _didIteratorError = true;
+            _iteratorError = err;
+          } finally {
+            try {
+              if (!_iteratorNormalCompletion && _iterator["return"] != null) {
+                _iterator["return"]();
+              }
+            } finally {
+              if (_didIteratorError) {
+                throw _iteratorError;
+              }
+            }
+          }
+        }
+
+        i++;
+
+        if (i === argsArrayLen) {
+          return i;
+        }
+
+        if (chunkOperations && ++steps > EXECUTION_STEPS) {
+          if (Date.now() > endTime) {
+            continueCallback();
+            return i;
+          }
+
+          steps = 0;
+        }
+      }
+    },
+    endDrawing: function CanvasGraphics_endDrawing() {
+      if (this.current.activeSMask !== null) {
+        this.endSMaskGroup();
+      }
+
+      this.ctx.restore();
+
+      if (this.transparentCanvas) {
+        this.ctx = this.compositeCtx;
+        this.ctx.save();
+        this.ctx.setTransform(1, 0, 0, 1, 0, 0);
+        this.ctx.drawImage(this.transparentCanvas, 0, 0);
+        this.ctx.restore();
+        this.transparentCanvas = null;
+      }
+
+      this.cachedCanvases.clear();
+      this.webGLContext.clear();
+
+      if (this.imageLayer) {
+        this.imageLayer.endLayout();
+      }
+    },
+    setLineWidth: function CanvasGraphics_setLineWidth(width) {
+      this.current.lineWidth = width;
+      this.ctx.lineWidth = width;
+    },
+    setLineCap: function CanvasGraphics_setLineCap(style) {
+      this.ctx.lineCap = LINE_CAP_STYLES[style];
+    },
+    setLineJoin: function CanvasGraphics_setLineJoin(style) {
+      this.ctx.lineJoin = LINE_JOIN_STYLES[style];
+    },
+    setMiterLimit: function CanvasGraphics_setMiterLimit(limit) {
+      this.ctx.miterLimit = limit;
+    },
+    setDash: function CanvasGraphics_setDash(dashArray, dashPhase) {
+      var ctx = this.ctx;
+
+      if (ctx.setLineDash !== undefined) {
+        ctx.setLineDash(dashArray);
+        ctx.lineDashOffset = dashPhase;
+      }
+    },
+    setRenderingIntent: function setRenderingIntent(intent) {},
+    setFlatness: function setFlatness(flatness) {},
+    setGState: function CanvasGraphics_setGState(states) {
+      for (var i = 0, ii = states.length; i < ii; i++) {
+        var state = states[i];
+        var key = state[0];
+        var value = state[1];
+
+        switch (key) {
+          case 'LW':
+            this.setLineWidth(value);
+            break;
+
+          case 'LC':
+            this.setLineCap(value);
+            break;
+
+          case 'LJ':
+            this.setLineJoin(value);
+            break;
+
+          case 'ML':
+            this.setMiterLimit(value);
+            break;
+
+          case 'D':
+            this.setDash(value[0], value[1]);
+            break;
+
+          case 'RI':
+            this.setRenderingIntent(value);
+            break;
+
+          case 'FL':
+            this.setFlatness(value);
+            break;
+
+          case 'Font':
+            this.setFont(value[0], value[1]);
+            break;
+
+          case 'CA':
+            this.current.strokeAlpha = state[1];
+            break;
+
+          case 'ca':
+            this.current.fillAlpha = state[1];
+            this.ctx.globalAlpha = state[1];
+            break;
+
+          case 'BM':
+            this.ctx.globalCompositeOperation = value;
+            break;
+
+          case 'SMask':
+            if (this.current.activeSMask) {
+              if (this.stateStack.length > 0 && this.stateStack[this.stateStack.length - 1].activeSMask === this.current.activeSMask) {
+                this.suspendSMaskGroup();
+              } else {
+                this.endSMaskGroup();
+              }
+            }
+
+            this.current.activeSMask = value ? this.tempSMask : null;
+
+            if (this.current.activeSMask) {
+              this.beginSMaskGroup();
+            }
+
+            this.tempSMask = null;
+            break;
+        }
+      }
+    },
+    beginSMaskGroup: function CanvasGraphics_beginSMaskGroup() {
+      var activeSMask = this.current.activeSMask;
+      var drawnWidth = activeSMask.canvas.width;
+      var drawnHeight = activeSMask.canvas.height;
+      var cacheId = 'smaskGroupAt' + this.groupLevel;
+      var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
+      var currentCtx = this.ctx;
+      var currentTransform = currentCtx.mozCurrentTransform;
+      this.ctx.save();
+      var groupCtx = scratchCanvas.context;
+      groupCtx.scale(1 / activeSMask.scaleX, 1 / activeSMask.scaleY);
+      groupCtx.translate(-activeSMask.offsetX, -activeSMask.offsetY);
+      groupCtx.transform.apply(groupCtx, currentTransform);
+      activeSMask.startTransformInverse = groupCtx.mozCurrentTransformInverse;
+      copyCtxState(currentCtx, groupCtx);
+      this.ctx = groupCtx;
+      this.setGState([['BM', 'source-over'], ['ca', 1], ['CA', 1]]);
+      this.groupStack.push(currentCtx);
+      this.groupLevel++;
+    },
+    suspendSMaskGroup: function CanvasGraphics_endSMaskGroup() {
+      var groupCtx = this.ctx;
+      this.groupLevel--;
+      this.ctx = this.groupStack.pop();
+      composeSMask(this.ctx, this.current.activeSMask, groupCtx, this.webGLContext);
+      this.ctx.restore();
+      this.ctx.save();
+      copyCtxState(groupCtx, this.ctx);
+      this.current.resumeSMaskCtx = groupCtx;
+
+      var deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
+
+      this.ctx.transform.apply(this.ctx, deltaTransform);
+      groupCtx.save();
+      groupCtx.setTransform(1, 0, 0, 1, 0, 0);
+      groupCtx.clearRect(0, 0, groupCtx.canvas.width, groupCtx.canvas.height);
+      groupCtx.restore();
+    },
+    resumeSMaskGroup: function CanvasGraphics_endSMaskGroup() {
+      var groupCtx = this.current.resumeSMaskCtx;
+      var currentCtx = this.ctx;
+      this.ctx = groupCtx;
+      this.groupStack.push(currentCtx);
+      this.groupLevel++;
+    },
+    endSMaskGroup: function CanvasGraphics_endSMaskGroup() {
+      var groupCtx = this.ctx;
+      this.groupLevel--;
+      this.ctx = this.groupStack.pop();
+      composeSMask(this.ctx, this.current.activeSMask, groupCtx, this.webGLContext);
+      this.ctx.restore();
+      copyCtxState(groupCtx, this.ctx);
+
+      var deltaTransform = _util.Util.transform(this.current.activeSMask.startTransformInverse, groupCtx.mozCurrentTransform);
+
+      this.ctx.transform.apply(this.ctx, deltaTransform);
+    },
+    save: function CanvasGraphics_save() {
+      this.ctx.save();
+      var old = this.current;
+      this.stateStack.push(old);
+      this.current = old.clone();
+      this.current.resumeSMaskCtx = null;
+    },
+    restore: function CanvasGraphics_restore() {
+      if (this.current.resumeSMaskCtx) {
+        this.resumeSMaskGroup();
+      }
+
+      if (this.current.activeSMask !== null && (this.stateStack.length === 0 || this.stateStack[this.stateStack.length - 1].activeSMask !== this.current.activeSMask)) {
+        this.endSMaskGroup();
+      }
+
+      if (this.stateStack.length !== 0) {
+        this.current = this.stateStack.pop();
+        this.ctx.restore();
+        this.pendingClip = null;
+        this._cachedGetSinglePixelWidth = null;
+      }
+    },
+    transform: function CanvasGraphics_transform(a, b, c, d, e, f) {
+      this.ctx.transform(a, b, c, d, e, f);
+      this._cachedGetSinglePixelWidth = null;
+    },
+    constructPath: function CanvasGraphics_constructPath(ops, args) {
+      var ctx = this.ctx;
+      var current = this.current;
+      var x = current.x,
+          y = current.y;
+
+      for (var i = 0, j = 0, ii = ops.length; i < ii; i++) {
+        switch (ops[i] | 0) {
+          case _util.OPS.rectangle:
+            x = args[j++];
+            y = args[j++];
+            var width = args[j++];
+            var height = args[j++];
+
+            if (width === 0) {
+              width = this.getSinglePixelWidth();
+            }
+
+            if (height === 0) {
+              height = this.getSinglePixelWidth();
+            }
+
+            var xw = x + width;
+            var yh = y + height;
+            this.ctx.moveTo(x, y);
+            this.ctx.lineTo(xw, y);
+            this.ctx.lineTo(xw, yh);
+            this.ctx.lineTo(x, yh);
+            this.ctx.lineTo(x, y);
+            this.ctx.closePath();
+            break;
+
+          case _util.OPS.moveTo:
+            x = args[j++];
+            y = args[j++];
+            ctx.moveTo(x, y);
+            break;
+
+          case _util.OPS.lineTo:
+            x = args[j++];
+            y = args[j++];
+            ctx.lineTo(x, y);
+            break;
+
+          case _util.OPS.curveTo:
+            x = args[j + 4];
+            y = args[j + 5];
+            ctx.bezierCurveTo(args[j], args[j + 1], args[j + 2], args[j + 3], x, y);
+            j += 6;
+            break;
+
+          case _util.OPS.curveTo2:
+            ctx.bezierCurveTo(x, y, args[j], args[j + 1], args[j + 2], args[j + 3]);
+            x = args[j + 2];
+            y = args[j + 3];
+            j += 4;
+            break;
+
+          case _util.OPS.curveTo3:
+            x = args[j + 2];
+            y = args[j + 3];
+            ctx.bezierCurveTo(args[j], args[j + 1], x, y, x, y);
+            j += 4;
+            break;
+
+          case _util.OPS.closePath:
+            ctx.closePath();
+            break;
+        }
+      }
+
+      current.setCurrentPoint(x, y);
+    },
+    closePath: function CanvasGraphics_closePath() {
+      this.ctx.closePath();
+    },
+    stroke: function CanvasGraphics_stroke(consumePath) {
+      consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
+      var ctx = this.ctx;
+      var strokeColor = this.current.strokeColor;
+      ctx.lineWidth = Math.max(this.getSinglePixelWidth() * MIN_WIDTH_FACTOR, this.current.lineWidth);
+      ctx.globalAlpha = this.current.strokeAlpha;
+
+      if (strokeColor && strokeColor.hasOwnProperty('type') && strokeColor.type === 'Pattern') {
+        ctx.save();
+        ctx.strokeStyle = strokeColor.getPattern(ctx, this);
+        ctx.stroke();
+        ctx.restore();
+      } else {
+        ctx.stroke();
+      }
+
+      if (consumePath) {
+        this.consumePath();
+      }
+
+      ctx.globalAlpha = this.current.fillAlpha;
+    },
+    closeStroke: function CanvasGraphics_closeStroke() {
+      this.closePath();
+      this.stroke();
+    },
+    fill: function CanvasGraphics_fill(consumePath) {
+      consumePath = typeof consumePath !== 'undefined' ? consumePath : true;
+      var ctx = this.ctx;
+      var fillColor = this.current.fillColor;
+      var isPatternFill = this.current.patternFill;
+      var needRestore = false;
+
+      if (isPatternFill) {
+        ctx.save();
+
+        if (this.baseTransform) {
+          ctx.setTransform.apply(ctx, this.baseTransform);
+        }
+
+        ctx.fillStyle = fillColor.getPattern(ctx, this);
+        needRestore = true;
+      }
+
+      if (this.pendingEOFill) {
+        ctx.fill('evenodd');
+        this.pendingEOFill = false;
+      } else {
+        ctx.fill();
+      }
+
+      if (needRestore) {
+        ctx.restore();
+      }
+
+      if (consumePath) {
+        this.consumePath();
+      }
+    },
+    eoFill: function CanvasGraphics_eoFill() {
+      this.pendingEOFill = true;
+      this.fill();
+    },
+    fillStroke: function CanvasGraphics_fillStroke() {
+      this.fill(false);
+      this.stroke(false);
+      this.consumePath();
+    },
+    eoFillStroke: function CanvasGraphics_eoFillStroke() {
+      this.pendingEOFill = true;
+      this.fillStroke();
+    },
+    closeFillStroke: function CanvasGraphics_closeFillStroke() {
+      this.closePath();
+      this.fillStroke();
+    },
+    closeEOFillStroke: function CanvasGraphics_closeEOFillStroke() {
+      this.pendingEOFill = true;
+      this.closePath();
+      this.fillStroke();
+    },
+    endPath: function CanvasGraphics_endPath() {
+      this.consumePath();
+    },
+    clip: function CanvasGraphics_clip() {
+      this.pendingClip = NORMAL_CLIP;
+    },
+    eoClip: function CanvasGraphics_eoClip() {
+      this.pendingClip = EO_CLIP;
+    },
+    beginText: function CanvasGraphics_beginText() {
+      this.current.textMatrix = _util.IDENTITY_MATRIX;
+      this.current.textMatrixScale = 1;
+      this.current.x = this.current.lineX = 0;
+      this.current.y = this.current.lineY = 0;
+    },
+    endText: function CanvasGraphics_endText() {
+      var paths = this.pendingTextPaths;
+      var ctx = this.ctx;
+
+      if (paths === undefined) {
+        ctx.beginPath();
+        return;
+      }
+
+      ctx.save();
+      ctx.beginPath();
+
+      for (var i = 0; i < paths.length; i++) {
+        var path = paths[i];
+        ctx.setTransform.apply(ctx, path.transform);
+        ctx.translate(path.x, path.y);
+        path.addToPath(ctx, path.fontSize);
+      }
+
+      ctx.restore();
+      ctx.clip();
+      ctx.beginPath();
+      delete this.pendingTextPaths;
+    },
+    setCharSpacing: function CanvasGraphics_setCharSpacing(spacing) {
+      this.current.charSpacing = spacing;
+    },
+    setWordSpacing: function CanvasGraphics_setWordSpacing(spacing) {
+      this.current.wordSpacing = spacing;
+    },
+    setHScale: function CanvasGraphics_setHScale(scale) {
+      this.current.textHScale = scale / 100;
+    },
+    setLeading: function CanvasGraphics_setLeading(leading) {
+      this.current.leading = -leading;
+    },
+    setFont: function CanvasGraphics_setFont(fontRefName, size) {
+      var fontObj = this.commonObjs.get(fontRefName);
+      var current = this.current;
+
+      if (!fontObj) {
+        throw new Error("Can't find font for ".concat(fontRefName));
+      }
+
+      current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX;
+
+      if (current.fontMatrix[0] === 0 || current.fontMatrix[3] === 0) {
+        (0, _util.warn)('Invalid font matrix for font ' + fontRefName);
+      }
+
+      if (size < 0) {
+        size = -size;
+        current.fontDirection = -1;
+      } else {
+        current.fontDirection = 1;
+      }
+
+      this.current.font = fontObj;
+      this.current.fontSize = size;
+
+      if (fontObj.isType3Font) {
+        return;
+      }
+
+      var name = fontObj.loadedName || 'sans-serif';
+      var bold = fontObj.black ? '900' : fontObj.bold ? 'bold' : 'normal';
+      var italic = fontObj.italic ? 'italic' : 'normal';
+      var typeface = "\"".concat(name, "\", ").concat(fontObj.fallbackName);
+      var browserFontSize = size < MIN_FONT_SIZE ? MIN_FONT_SIZE : size > MAX_FONT_SIZE ? MAX_FONT_SIZE : size;
+      this.current.fontSizeScale = size / browserFontSize;
+      this.ctx.font = "".concat(italic, " ").concat(bold, " ").concat(browserFontSize, "px ").concat(typeface);
+    },
+    setTextRenderingMode: function CanvasGraphics_setTextRenderingMode(mode) {
+      this.current.textRenderingMode = mode;
+    },
+    setTextRise: function CanvasGraphics_setTextRise(rise) {
+      this.current.textRise = rise;
+    },
+    moveText: function CanvasGraphics_moveText(x, y) {
+      this.current.x = this.current.lineX += x;
+      this.current.y = this.current.lineY += y;
+    },
+    setLeadingMoveText: function CanvasGraphics_setLeadingMoveText(x, y) {
+      this.setLeading(-y);
+      this.moveText(x, y);
+    },
+    setTextMatrix: function CanvasGraphics_setTextMatrix(a, b, c, d, e, f) {
+      this.current.textMatrix = [a, b, c, d, e, f];
+      this.current.textMatrixScale = Math.sqrt(a * a + b * b);
+      this.current.x = this.current.lineX = 0;
+      this.current.y = this.current.lineY = 0;
+    },
+    nextLine: function CanvasGraphics_nextLine() {
+      this.moveText(0, this.current.leading);
+    },
+    paintChar: function paintChar(character, x, y, patternTransform) {
+      var ctx = this.ctx;
+      var current = this.current;
+      var font = current.font;
+      var textRenderingMode = current.textRenderingMode;
+      var fontSize = current.fontSize / current.fontSizeScale;
+      var fillStrokeMode = textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
+      var isAddToPathSet = !!(textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG);
+      var patternFill = current.patternFill && font.data;
+      var addToPath;
+
+      if (font.disableFontFace || isAddToPathSet || patternFill) {
+        addToPath = font.getPathGenerator(this.commonObjs, character);
+      }
+
+      if (font.disableFontFace || patternFill) {
+        ctx.save();
+        ctx.translate(x, y);
+        ctx.beginPath();
+        addToPath(ctx, fontSize);
+
+        if (patternTransform) {
+          ctx.setTransform.apply(ctx, patternTransform);
+        }
+
+        if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          ctx.fill();
+        }
+
+        if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          ctx.stroke();
+        }
+
+        ctx.restore();
+      } else {
+        if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          ctx.fillText(character, x, y);
+        }
+
+        if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          ctx.strokeText(character, x, y);
+        }
+      }
+
+      if (isAddToPathSet) {
+        var paths = this.pendingTextPaths || (this.pendingTextPaths = []);
+        paths.push({
+          transform: ctx.mozCurrentTransform,
+          x: x,
+          y: y,
+          fontSize: fontSize,
+          addToPath: addToPath
+        });
+      }
+    },
+
+    get isFontSubpixelAAEnabled() {
+      var _this$cachedCanvases$ = this.cachedCanvases.getCanvas('isFontSubpixelAAEnabled', 10, 10),
+          ctx = _this$cachedCanvases$.context;
+
+      ctx.scale(1.5, 1);
+      ctx.fillText('I', 0, 10);
+      var data = ctx.getImageData(0, 0, 10, 10).data;
+      var enabled = false;
+
+      for (var i = 3; i < data.length; i += 4) {
+        if (data[i] > 0 && data[i] < 255) {
+          enabled = true;
+          break;
+        }
+      }
+
+      return (0, _util.shadow)(this, 'isFontSubpixelAAEnabled', enabled);
+    },
+
+    showText: function CanvasGraphics_showText(glyphs) {
+      var current = this.current;
+      var font = current.font;
+
+      if (font.isType3Font) {
+        return this.showType3Text(glyphs);
+      }
+
+      var fontSize = current.fontSize;
+
+      if (fontSize === 0) {
+        return undefined;
+      }
+
+      var ctx = this.ctx;
+      var fontSizeScale = current.fontSizeScale;
+      var charSpacing = current.charSpacing;
+      var wordSpacing = current.wordSpacing;
+      var fontDirection = current.fontDirection;
+      var textHScale = current.textHScale * fontDirection;
+      var glyphsLength = glyphs.length;
+      var vertical = font.vertical;
+      var spacingDir = vertical ? 1 : -1;
+      var defaultVMetrics = font.defaultVMetrics;
+      var widthAdvanceScale = fontSize * current.fontMatrix[0];
+      var simpleFillText = current.textRenderingMode === _util.TextRenderingMode.FILL && !font.disableFontFace && !current.patternFill;
+      ctx.save();
+      var patternTransform;
+
+      if (current.patternFill) {
+        ctx.save();
+        var pattern = current.fillColor.getPattern(ctx, this);
+        patternTransform = ctx.mozCurrentTransform;
+        ctx.restore();
+        ctx.fillStyle = pattern;
+      }
+
+      ctx.transform.apply(ctx, current.textMatrix);
+      ctx.translate(current.x, current.y + current.textRise);
+
+      if (fontDirection > 0) {
+        ctx.scale(textHScale, -1);
+      } else {
+        ctx.scale(textHScale, 1);
+      }
+
+      var lineWidth = current.lineWidth;
+      var scale = current.textMatrixScale;
+
+      if (scale === 0 || lineWidth === 0) {
+        var fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
+
+        if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          this._cachedGetSinglePixelWidth = null;
+          lineWidth = this.getSinglePixelWidth() * MIN_WIDTH_FACTOR;
+        }
+      } else {
+        lineWidth /= scale;
+      }
+
+      if (fontSizeScale !== 1.0) {
+        ctx.scale(fontSizeScale, fontSizeScale);
+        lineWidth /= fontSizeScale;
+      }
+
+      ctx.lineWidth = lineWidth;
+      var x = 0,
+          i;
+
+      for (i = 0; i < glyphsLength; ++i) {
+        var glyph = glyphs[i];
+
+        if ((0, _util.isNum)(glyph)) {
+          x += spacingDir * glyph * fontSize / 1000;
+          continue;
+        }
+
+        var restoreNeeded = false;
+        var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
+        var character = glyph.fontChar;
+        var accent = glyph.accent;
+        var scaledX, scaledY, scaledAccentX, scaledAccentY;
+        var width = glyph.width;
+
+        if (vertical) {
+          var vmetric, vx, vy;
+          vmetric = glyph.vmetric || defaultVMetrics;
+          vx = glyph.vmetric ? vmetric[1] : width * 0.5;
+          vx = -vx * widthAdvanceScale;
+          vy = vmetric[2] * widthAdvanceScale;
+          width = vmetric ? -vmetric[0] : width;
+          scaledX = vx / fontSizeScale;
+          scaledY = (x + vy) / fontSizeScale;
+        } else {
+          scaledX = x / fontSizeScale;
+          scaledY = 0;
+        }
+
+        if (font.remeasure && width > 0) {
+          var measuredWidth = ctx.measureText(character).width * 1000 / fontSize * fontSizeScale;
+
+          if (width < measuredWidth && this.isFontSubpixelAAEnabled) {
+            var characterScaleX = width / measuredWidth;
+            restoreNeeded = true;
+            ctx.save();
+            ctx.scale(characterScaleX, 1);
+            scaledX /= characterScaleX;
+          } else if (width !== measuredWidth) {
+            scaledX += (width - measuredWidth) / 2000 * fontSize / fontSizeScale;
+          }
+        }
+
+        if (glyph.isInFont || font.missingFile) {
+          if (simpleFillText && !accent) {
+            ctx.fillText(character, scaledX, scaledY);
+          } else {
+            this.paintChar(character, scaledX, scaledY, patternTransform);
+
+            if (accent) {
+              scaledAccentX = scaledX + accent.offset.x / fontSizeScale;
+              scaledAccentY = scaledY - accent.offset.y / fontSizeScale;
+              this.paintChar(accent.fontChar, scaledAccentX, scaledAccentY, patternTransform);
+            }
+          }
+        }
+
+        var charWidth = width * widthAdvanceScale + spacing * fontDirection;
+        x += charWidth;
+
+        if (restoreNeeded) {
+          ctx.restore();
+        }
+      }
+
+      if (vertical) {
+        current.y -= x * textHScale;
+      } else {
+        current.x += x * textHScale;
+      }
+
+      ctx.restore();
+    },
+    showType3Text: function CanvasGraphics_showType3Text(glyphs) {
+      var ctx = this.ctx;
+      var current = this.current;
+      var font = current.font;
+      var fontSize = current.fontSize;
+      var fontDirection = current.fontDirection;
+      var spacingDir = font.vertical ? 1 : -1;
+      var charSpacing = current.charSpacing;
+      var wordSpacing = current.wordSpacing;
+      var textHScale = current.textHScale * fontDirection;
+      var fontMatrix = current.fontMatrix || _util.FONT_IDENTITY_MATRIX;
+      var glyphsLength = glyphs.length;
+      var isTextInvisible = current.textRenderingMode === _util.TextRenderingMode.INVISIBLE;
+      var i, glyph, width, spacingLength;
+
+      if (isTextInvisible || fontSize === 0) {
+        return;
+      }
+
+      this._cachedGetSinglePixelWidth = null;
+      ctx.save();
+      ctx.transform.apply(ctx, current.textMatrix);
+      ctx.translate(current.x, current.y);
+      ctx.scale(textHScale, fontDirection);
+
+      for (i = 0; i < glyphsLength; ++i) {
+        glyph = glyphs[i];
+
+        if ((0, _util.isNum)(glyph)) {
+          spacingLength = spacingDir * glyph * fontSize / 1000;
+          this.ctx.translate(spacingLength, 0);
+          current.x += spacingLength * textHScale;
+          continue;
+        }
+
+        var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
+        var operatorList = font.charProcOperatorList[glyph.operatorListId];
+
+        if (!operatorList) {
+          (0, _util.warn)("Type3 character \"".concat(glyph.operatorListId, "\" is not available."));
+          continue;
+        }
+
+        this.processingType3 = glyph;
+        this.save();
+        ctx.scale(fontSize, fontSize);
+        ctx.transform.apply(ctx, fontMatrix);
+        this.executeOperatorList(operatorList);
+        this.restore();
+
+        var transformed = _util.Util.applyTransform([glyph.width, 0], fontMatrix);
+
+        width = transformed[0] * fontSize + spacing;
+        ctx.translate(width, 0);
+        current.x += width * textHScale;
+      }
+
+      ctx.restore();
+      this.processingType3 = null;
+    },
+    setCharWidth: function CanvasGraphics_setCharWidth(xWidth, yWidth) {},
+    setCharWidthAndBounds: function CanvasGraphics_setCharWidthAndBounds(xWidth, yWidth, llx, lly, urx, ury) {
+      this.ctx.rect(llx, lly, urx - llx, ury - lly);
+      this.clip();
+      this.endPath();
+    },
+    getColorN_Pattern: function CanvasGraphics_getColorN_Pattern(IR) {
+      var _this = this;
+
+      var pattern;
+
+      if (IR[0] === 'TilingPattern') {
+        var color = IR[1];
+        var baseTransform = this.baseTransform || this.ctx.mozCurrentTransform.slice();
+        var canvasGraphicsFactory = {
+          createCanvasGraphics: function createCanvasGraphics(ctx) {
+            return new CanvasGraphics(ctx, _this.commonObjs, _this.objs, _this.canvasFactory, _this.webGLContext);
+          }
+        };
+        pattern = new _pattern_helper.TilingPattern(IR, color, this.ctx, canvasGraphicsFactory, baseTransform);
+      } else {
+        pattern = (0, _pattern_helper.getShadingPatternFromIR)(IR);
+      }
+
+      return pattern;
+    },
+    setStrokeColorN: function CanvasGraphics_setStrokeColorN() {
+      this.current.strokeColor = this.getColorN_Pattern(arguments);
+    },
+    setFillColorN: function CanvasGraphics_setFillColorN() {
+      this.current.fillColor = this.getColorN_Pattern(arguments);
+      this.current.patternFill = true;
+    },
+    setStrokeRGBColor: function CanvasGraphics_setStrokeRGBColor(r, g, b) {
+      var color = _util.Util.makeCssRgb(r, g, b);
+
+      this.ctx.strokeStyle = color;
+      this.current.strokeColor = color;
+    },
+    setFillRGBColor: function CanvasGraphics_setFillRGBColor(r, g, b) {
+      var color = _util.Util.makeCssRgb(r, g, b);
+
+      this.ctx.fillStyle = color;
+      this.current.fillColor = color;
+      this.current.patternFill = false;
+    },
+    shadingFill: function CanvasGraphics_shadingFill(patternIR) {
+      var ctx = this.ctx;
+      this.save();
+      var pattern = (0, _pattern_helper.getShadingPatternFromIR)(patternIR);
+      ctx.fillStyle = pattern.getPattern(ctx, this, true);
+      var inv = ctx.mozCurrentTransformInverse;
+
+      if (inv) {
+        var canvas = ctx.canvas;
+        var width = canvas.width;
+        var height = canvas.height;
+
+        var bl = _util.Util.applyTransform([0, 0], inv);
+
+        var br = _util.Util.applyTransform([0, height], inv);
+
+        var ul = _util.Util.applyTransform([width, 0], inv);
+
+        var ur = _util.Util.applyTransform([width, height], inv);
+
+        var x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
+        var y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
+        var x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
+        var y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
+        this.ctx.fillRect(x0, y0, x1 - x0, y1 - y0);
+      } else {
+        this.ctx.fillRect(-1e10, -1e10, 2e10, 2e10);
+      }
+
+      this.restore();
+    },
+    beginInlineImage: function CanvasGraphics_beginInlineImage() {
+      (0, _util.unreachable)('Should not call beginInlineImage');
+    },
+    beginImageData: function CanvasGraphics_beginImageData() {
+      (0, _util.unreachable)('Should not call beginImageData');
+    },
+    paintFormXObjectBegin: function CanvasGraphics_paintFormXObjectBegin(matrix, bbox) {
+      this.save();
+      this.baseTransformStack.push(this.baseTransform);
+
+      if (Array.isArray(matrix) && matrix.length === 6) {
+        this.transform.apply(this, matrix);
+      }
+
+      this.baseTransform = this.ctx.mozCurrentTransform;
+
+      if (bbox) {
+        var width = bbox[2] - bbox[0];
+        var height = bbox[3] - bbox[1];
+        this.ctx.rect(bbox[0], bbox[1], width, height);
+        this.clip();
+        this.endPath();
+      }
+    },
+    paintFormXObjectEnd: function CanvasGraphics_paintFormXObjectEnd() {
+      this.restore();
+      this.baseTransform = this.baseTransformStack.pop();
+    },
+    beginGroup: function CanvasGraphics_beginGroup(group) {
+      this.save();
+      var currentCtx = this.ctx;
+
+      if (!group.isolated) {
+        (0, _util.info)('TODO: Support non-isolated groups.');
+      }
+
+      if (group.knockout) {
+        (0, _util.warn)('Knockout groups not supported.');
+      }
+
+      var currentTransform = currentCtx.mozCurrentTransform;
+
+      if (group.matrix) {
+        currentCtx.transform.apply(currentCtx, group.matrix);
+      }
+
+      if (!group.bbox) {
+        throw new Error('Bounding box is required.');
+      }
+
+      var bounds = _util.Util.getAxialAlignedBoundingBox(group.bbox, currentCtx.mozCurrentTransform);
+
+      var canvasBounds = [0, 0, currentCtx.canvas.width, currentCtx.canvas.height];
+      bounds = _util.Util.intersect(bounds, canvasBounds) || [0, 0, 0, 0];
+      var offsetX = Math.floor(bounds[0]);
+      var offsetY = Math.floor(bounds[1]);
+      var drawnWidth = Math.max(Math.ceil(bounds[2]) - offsetX, 1);
+      var drawnHeight = Math.max(Math.ceil(bounds[3]) - offsetY, 1);
+      var scaleX = 1,
+          scaleY = 1;
+
+      if (drawnWidth > MAX_GROUP_SIZE) {
+        scaleX = drawnWidth / MAX_GROUP_SIZE;
+        drawnWidth = MAX_GROUP_SIZE;
+      }
+
+      if (drawnHeight > MAX_GROUP_SIZE) {
+        scaleY = drawnHeight / MAX_GROUP_SIZE;
+        drawnHeight = MAX_GROUP_SIZE;
+      }
+
+      var cacheId = 'groupAt' + this.groupLevel;
+
+      if (group.smask) {
+        cacheId += '_smask_' + this.smaskCounter++ % 2;
+      }
+
+      var scratchCanvas = this.cachedCanvases.getCanvas(cacheId, drawnWidth, drawnHeight, true);
+      var groupCtx = scratchCanvas.context;
+      groupCtx.scale(1 / scaleX, 1 / scaleY);
+      groupCtx.translate(-offsetX, -offsetY);
+      groupCtx.transform.apply(groupCtx, currentTransform);
+
+      if (group.smask) {
+        this.smaskStack.push({
+          canvas: scratchCanvas.canvas,
+          context: groupCtx,
+          offsetX: offsetX,
+          offsetY: offsetY,
+          scaleX: scaleX,
+          scaleY: scaleY,
+          subtype: group.smask.subtype,
+          backdrop: group.smask.backdrop,
+          transferMap: group.smask.transferMap || null,
+          startTransformInverse: null
+        });
+      } else {
+        currentCtx.setTransform(1, 0, 0, 1, 0, 0);
+        currentCtx.translate(offsetX, offsetY);
+        currentCtx.scale(scaleX, scaleY);
+      }
+
+      copyCtxState(currentCtx, groupCtx);
+      this.ctx = groupCtx;
+      this.setGState([['BM', 'source-over'], ['ca', 1], ['CA', 1]]);
+      this.groupStack.push(currentCtx);
+      this.groupLevel++;
+      this.current.activeSMask = null;
+    },
+    endGroup: function CanvasGraphics_endGroup(group) {
+      this.groupLevel--;
+      var groupCtx = this.ctx;
+      this.ctx = this.groupStack.pop();
+
+      if (this.ctx.imageSmoothingEnabled !== undefined) {
+        this.ctx.imageSmoothingEnabled = false;
+      } else {
+        this.ctx.mozImageSmoothingEnabled = false;
+      }
+
+      if (group.smask) {
+        this.tempSMask = this.smaskStack.pop();
+      } else {
+        this.ctx.drawImage(groupCtx.canvas, 0, 0);
+      }
+
+      this.restore();
+    },
+    beginAnnotations: function CanvasGraphics_beginAnnotations() {
+      this.save();
+
+      if (this.baseTransform) {
+        this.ctx.setTransform.apply(this.ctx, this.baseTransform);
+      }
+    },
+    endAnnotations: function CanvasGraphics_endAnnotations() {
+      this.restore();
+    },
+    beginAnnotation: function CanvasGraphics_beginAnnotation(rect, transform, matrix) {
+      this.save();
+      resetCtxToDefault(this.ctx);
+      this.current = new CanvasExtraState();
+
+      if (Array.isArray(rect) && rect.length === 4) {
+        var width = rect[2] - rect[0];
+        var height = rect[3] - rect[1];
+        this.ctx.rect(rect[0], rect[1], width, height);
+        this.clip();
+        this.endPath();
+      }
+
+      this.transform.apply(this, transform);
+      this.transform.apply(this, matrix);
+    },
+    endAnnotation: function CanvasGraphics_endAnnotation() {
+      this.restore();
+    },
+    paintJpegXObject: function CanvasGraphics_paintJpegXObject(objId, w, h) {
+      var domImage = this.processingType3 ? this.commonObjs.get(objId) : this.objs.get(objId);
+
+      if (!domImage) {
+        (0, _util.warn)('Dependent image isn\'t ready yet');
+        return;
+      }
+
+      this.save();
+      var ctx = this.ctx;
+      ctx.scale(1 / w, -1 / h);
+      ctx.drawImage(domImage, 0, 0, domImage.width, domImage.height, 0, -h, w, h);
+
+      if (this.imageLayer) {
+        var currentTransform = ctx.mozCurrentTransformInverse;
+        var position = this.getCanvasPosition(0, 0);
+        this.imageLayer.appendImage({
+          objId: objId,
+          left: position[0],
+          top: position[1],
+          width: w / currentTransform[0],
+          height: h / currentTransform[3]
+        });
+      }
+
+      this.restore();
+    },
+    paintImageMaskXObject: function CanvasGraphics_paintImageMaskXObject(img) {
+      var ctx = this.ctx;
+      var width = img.width,
+          height = img.height;
+      var fillColor = this.current.fillColor;
+      var isPatternFill = this.current.patternFill;
+      var glyph = this.processingType3;
+
+      if (COMPILE_TYPE3_GLYPHS && glyph && glyph.compiled === undefined) {
+        if (width <= MAX_SIZE_TO_COMPILE && height <= MAX_SIZE_TO_COMPILE) {
+          glyph.compiled = compileType3Glyph({
+            data: img.data,
+            width: width,
+            height: height
+          });
+        } else {
+          glyph.compiled = null;
+        }
+      }
+
+      if (glyph && glyph.compiled) {
+        glyph.compiled(ctx);
+        return;
+      }
+
+      var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
+      var maskCtx = maskCanvas.context;
+      maskCtx.save();
+      putBinaryImageMask(maskCtx, img);
+      maskCtx.globalCompositeOperation = 'source-in';
+      maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
+      maskCtx.fillRect(0, 0, width, height);
+      maskCtx.restore();
+      this.paintInlineImageXObject(maskCanvas.canvas);
+    },
+    paintImageMaskXObjectRepeat: function CanvasGraphics_paintImageMaskXObjectRepeat(imgData, scaleX, scaleY, positions) {
+      var width = imgData.width;
+      var height = imgData.height;
+      var fillColor = this.current.fillColor;
+      var isPatternFill = this.current.patternFill;
+      var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
+      var maskCtx = maskCanvas.context;
+      maskCtx.save();
+      putBinaryImageMask(maskCtx, imgData);
+      maskCtx.globalCompositeOperation = 'source-in';
+      maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
+      maskCtx.fillRect(0, 0, width, height);
+      maskCtx.restore();
+      var ctx = this.ctx;
+
+      for (var i = 0, ii = positions.length; i < ii; i += 2) {
+        ctx.save();
+        ctx.transform(scaleX, 0, 0, scaleY, positions[i], positions[i + 1]);
+        ctx.scale(1, -1);
+        ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
+        ctx.restore();
+      }
+    },
+    paintImageMaskXObjectGroup: function CanvasGraphics_paintImageMaskXObjectGroup(images) {
+      var ctx = this.ctx;
+      var fillColor = this.current.fillColor;
+      var isPatternFill = this.current.patternFill;
+
+      for (var i = 0, ii = images.length; i < ii; i++) {
+        var image = images[i];
+        var width = image.width,
+            height = image.height;
+        var maskCanvas = this.cachedCanvases.getCanvas('maskCanvas', width, height);
+        var maskCtx = maskCanvas.context;
+        maskCtx.save();
+        putBinaryImageMask(maskCtx, image);
+        maskCtx.globalCompositeOperation = 'source-in';
+        maskCtx.fillStyle = isPatternFill ? fillColor.getPattern(maskCtx, this) : fillColor;
+        maskCtx.fillRect(0, 0, width, height);
+        maskCtx.restore();
+        ctx.save();
+        ctx.transform.apply(ctx, image.transform);
+        ctx.scale(1, -1);
+        ctx.drawImage(maskCanvas.canvas, 0, 0, width, height, 0, -1, 1, 1);
+        ctx.restore();
+      }
+    },
+    paintImageXObject: function CanvasGraphics_paintImageXObject(objId) {
+      var imgData = this.processingType3 ? this.commonObjs.get(objId) : this.objs.get(objId);
+
+      if (!imgData) {
+        (0, _util.warn)('Dependent image isn\'t ready yet');
+        return;
+      }
+
+      this.paintInlineImageXObject(imgData);
+    },
+    paintImageXObjectRepeat: function CanvasGraphics_paintImageXObjectRepeat(objId, scaleX, scaleY, positions) {
+      var imgData = this.processingType3 ? this.commonObjs.get(objId) : this.objs.get(objId);
+
+      if (!imgData) {
+        (0, _util.warn)('Dependent image isn\'t ready yet');
+        return;
+      }
+
+      var width = imgData.width;
+      var height = imgData.height;
+      var map = [];
+
+      for (var i = 0, ii = positions.length; i < ii; i += 2) {
+        map.push({
+          transform: [scaleX, 0, 0, scaleY, positions[i], positions[i + 1]],
+          x: 0,
+          y: 0,
+          w: width,
+          h: height
+        });
+      }
+
+      this.paintInlineImageXObjectGroup(imgData, map);
+    },
+    paintInlineImageXObject: function CanvasGraphics_paintInlineImageXObject(imgData) {
+      var width = imgData.width;
+      var height = imgData.height;
+      var ctx = this.ctx;
+      this.save();
+      ctx.scale(1 / width, -1 / height);
+      var currentTransform = ctx.mozCurrentTransformInverse;
+      var a = currentTransform[0],
+          b = currentTransform[1];
+      var widthScale = Math.max(Math.sqrt(a * a + b * b), 1);
+      var c = currentTransform[2],
+          d = currentTransform[3];
+      var heightScale = Math.max(Math.sqrt(c * c + d * d), 1);
+      var imgToPaint, tmpCanvas;
+
+      if (typeof HTMLElement === 'function' && imgData instanceof HTMLElement || !imgData.data) {
+        imgToPaint = imgData;
+      } else {
+        tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', width, height);
+        var tmpCtx = tmpCanvas.context;
+        putBinaryImageData(tmpCtx, imgData);
+        imgToPaint = tmpCanvas.canvas;
+      }
+
+      var paintWidth = width,
+          paintHeight = height;
+      var tmpCanvasId = 'prescale1';
+
+      while (widthScale > 2 && paintWidth > 1 || heightScale > 2 && paintHeight > 1) {
+        var newWidth = paintWidth,
+            newHeight = paintHeight;
+
+        if (widthScale > 2 && paintWidth > 1) {
+          newWidth = Math.ceil(paintWidth / 2);
+          widthScale /= paintWidth / newWidth;
+        }
+
+        if (heightScale > 2 && paintHeight > 1) {
+          newHeight = Math.ceil(paintHeight / 2);
+          heightScale /= paintHeight / newHeight;
+        }
+
+        tmpCanvas = this.cachedCanvases.getCanvas(tmpCanvasId, newWidth, newHeight);
+        tmpCtx = tmpCanvas.context;
+        tmpCtx.clearRect(0, 0, newWidth, newHeight);
+        tmpCtx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, 0, newWidth, newHeight);
+        imgToPaint = tmpCanvas.canvas;
+        paintWidth = newWidth;
+        paintHeight = newHeight;
+        tmpCanvasId = tmpCanvasId === 'prescale1' ? 'prescale2' : 'prescale1';
+      }
+
+      ctx.drawImage(imgToPaint, 0, 0, paintWidth, paintHeight, 0, -height, width, height);
+
+      if (this.imageLayer) {
+        var position = this.getCanvasPosition(0, -height);
+        this.imageLayer.appendImage({
+          imgData: imgData,
+          left: position[0],
+          top: position[1],
+          width: width / currentTransform[0],
+          height: height / currentTransform[3]
+        });
+      }
+
+      this.restore();
+    },
+    paintInlineImageXObjectGroup: function CanvasGraphics_paintInlineImageXObjectGroup(imgData, map) {
+      var ctx = this.ctx;
+      var w = imgData.width;
+      var h = imgData.height;
+      var tmpCanvas = this.cachedCanvases.getCanvas('inlineImage', w, h);
+      var tmpCtx = tmpCanvas.context;
+      putBinaryImageData(tmpCtx, imgData);
+
+      for (var i = 0, ii = map.length; i < ii; i++) {
+        var entry = map[i];
+        ctx.save();
+        ctx.transform.apply(ctx, entry.transform);
+        ctx.scale(1, -1);
+        ctx.drawImage(tmpCanvas.canvas, entry.x, entry.y, entry.w, entry.h, 0, -1, 1, 1);
+
+        if (this.imageLayer) {
+          var position = this.getCanvasPosition(entry.x, entry.y);
+          this.imageLayer.appendImage({
+            imgData: imgData,
+            left: position[0],
+            top: position[1],
+            width: w,
+            height: h
+          });
+        }
+
+        ctx.restore();
+      }
+    },
+    paintSolidColorImageMask: function CanvasGraphics_paintSolidColorImageMask() {
+      this.ctx.fillRect(0, 0, 1, 1);
+    },
+    paintXObject: function CanvasGraphics_paintXObject() {
+      (0, _util.warn)('Unsupported \'paintXObject\' command.');
+    },
+    markPoint: function CanvasGraphics_markPoint(tag) {},
+    markPointProps: function CanvasGraphics_markPointProps(tag, properties) {},
+    beginMarkedContent: function CanvasGraphics_beginMarkedContent(tag) {},
+    beginMarkedContentProps: function CanvasGraphics_beginMarkedContentProps(tag, properties) {},
+    endMarkedContent: function CanvasGraphics_endMarkedContent() {},
+    beginCompat: function CanvasGraphics_beginCompat() {},
+    endCompat: function CanvasGraphics_endCompat() {},
+    consumePath: function CanvasGraphics_consumePath() {
+      var ctx = this.ctx;
+
+      if (this.pendingClip) {
+        if (this.pendingClip === EO_CLIP) {
+          ctx.clip('evenodd');
+        } else {
+          ctx.clip();
+        }
+
+        this.pendingClip = null;
+      }
+
+      ctx.beginPath();
+    },
+    getSinglePixelWidth: function getSinglePixelWidth(scale) {
+      if (this._cachedGetSinglePixelWidth === null) {
+        var inverse = this.ctx.mozCurrentTransformInverse;
+        this._cachedGetSinglePixelWidth = Math.sqrt(Math.max(inverse[0] * inverse[0] + inverse[1] * inverse[1], inverse[2] * inverse[2] + inverse[3] * inverse[3]));
+      }
+
+      return this._cachedGetSinglePixelWidth;
+    },
+    getCanvasPosition: function CanvasGraphics_getCanvasPosition(x, y) {
+      var transform = this.ctx.mozCurrentTransform;
+      return [transform[0] * x + transform[2] * y + transform[4], transform[1] * x + transform[3] * y + transform[5]];
+    }
+  };
+
+  for (var op in _util.OPS) {
+    CanvasGraphics.prototype[_util.OPS[op]] = CanvasGraphics.prototype[op];
+  }
+
+  return CanvasGraphics;
+}();
+
+exports.CanvasGraphics = CanvasGraphics;
+
+/***/ }),
+/* 155 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getShadingPatternFromIR = getShadingPatternFromIR;
+exports.TilingPattern = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+var ShadingIRs = {};
+ShadingIRs.RadialAxial = {
+  fromIR: function RadialAxial_fromIR(raw) {
+    var type = raw[1];
+    var colorStops = raw[2];
+    var p0 = raw[3];
+    var p1 = raw[4];
+    var r0 = raw[5];
+    var r1 = raw[6];
+    return {
+      type: 'Pattern',
+      getPattern: function RadialAxial_getPattern(ctx) {
+        var grad;
+
+        if (type === 'axial') {
+          grad = ctx.createLinearGradient(p0[0], p0[1], p1[0], p1[1]);
+        } else if (type === 'radial') {
+          grad = ctx.createRadialGradient(p0[0], p0[1], r0, p1[0], p1[1], r1);
+        }
+
+        for (var i = 0, ii = colorStops.length; i < ii; ++i) {
+          var c = colorStops[i];
+          grad.addColorStop(c[0], c[1]);
+        }
+
+        return grad;
+      }
+    };
+  }
+};
+
+var createMeshCanvas = function createMeshCanvasClosure() {
+  function drawTriangle(data, context, p1, p2, p3, c1, c2, c3) {
+    var coords = context.coords,
+        colors = context.colors;
+    var bytes = data.data,
+        rowSize = data.width * 4;
+    var tmp;
+
+    if (coords[p1 + 1] > coords[p2 + 1]) {
+      tmp = p1;
+      p1 = p2;
+      p2 = tmp;
+      tmp = c1;
+      c1 = c2;
+      c2 = tmp;
+    }
+
+    if (coords[p2 + 1] > coords[p3 + 1]) {
+      tmp = p2;
+      p2 = p3;
+      p3 = tmp;
+      tmp = c2;
+      c2 = c3;
+      c3 = tmp;
+    }
+
+    if (coords[p1 + 1] > coords[p2 + 1]) {
+      tmp = p1;
+      p1 = p2;
+      p2 = tmp;
+      tmp = c1;
+      c1 = c2;
+      c2 = tmp;
+    }
+
+    var x1 = (coords[p1] + context.offsetX) * context.scaleX;
+    var y1 = (coords[p1 + 1] + context.offsetY) * context.scaleY;
+    var x2 = (coords[p2] + context.offsetX) * context.scaleX;
+    var y2 = (coords[p2 + 1] + context.offsetY) * context.scaleY;
+    var x3 = (coords[p3] + context.offsetX) * context.scaleX;
+    var y3 = (coords[p3 + 1] + context.offsetY) * context.scaleY;
+
+    if (y1 >= y3) {
+      return;
+    }
+
+    var c1r = colors[c1],
+        c1g = colors[c1 + 1],
+        c1b = colors[c1 + 2];
+    var c2r = colors[c2],
+        c2g = colors[c2 + 1],
+        c2b = colors[c2 + 2];
+    var c3r = colors[c3],
+        c3g = colors[c3 + 1],
+        c3b = colors[c3 + 2];
+    var minY = Math.round(y1),
+        maxY = Math.round(y3);
+    var xa, car, cag, cab;
+    var xb, cbr, cbg, cbb;
+    var k;
+
+    for (var y = minY; y <= maxY; y++) {
+      if (y < y2) {
+        k = y < y1 ? 0 : y1 === y2 ? 1 : (y1 - y) / (y1 - y2);
+        xa = x1 - (x1 - x2) * k;
+        car = c1r - (c1r - c2r) * k;
+        cag = c1g - (c1g - c2g) * k;
+        cab = c1b - (c1b - c2b) * k;
+      } else {
+        k = y > y3 ? 1 : y2 === y3 ? 0 : (y2 - y) / (y2 - y3);
+        xa = x2 - (x2 - x3) * k;
+        car = c2r - (c2r - c3r) * k;
+        cag = c2g - (c2g - c3g) * k;
+        cab = c2b - (c2b - c3b) * k;
+      }
+
+      k = y < y1 ? 0 : y > y3 ? 1 : (y1 - y) / (y1 - y3);
+      xb = x1 - (x1 - x3) * k;
+      cbr = c1r - (c1r - c3r) * k;
+      cbg = c1g - (c1g - c3g) * k;
+      cbb = c1b - (c1b - c3b) * k;
+      var x1_ = Math.round(Math.min(xa, xb));
+      var x2_ = Math.round(Math.max(xa, xb));
+      var j = rowSize * y + x1_ * 4;
+
+      for (var x = x1_; x <= x2_; x++) {
+        k = (xa - x) / (xa - xb);
+        k = k < 0 ? 0 : k > 1 ? 1 : k;
+        bytes[j++] = car - (car - cbr) * k | 0;
+        bytes[j++] = cag - (cag - cbg) * k | 0;
+        bytes[j++] = cab - (cab - cbb) * k | 0;
+        bytes[j++] = 255;
+      }
+    }
+  }
+
+  function drawFigure(data, figure, context) {
+    var ps = figure.coords;
+    var cs = figure.colors;
+    var i, ii;
+
+    switch (figure.type) {
+      case 'lattice':
+        var verticesPerRow = figure.verticesPerRow;
+        var rows = Math.floor(ps.length / verticesPerRow) - 1;
+        var cols = verticesPerRow - 1;
+
+        for (i = 0; i < rows; i++) {
+          var q = i * verticesPerRow;
+
+          for (var j = 0; j < cols; j++, q++) {
+            drawTriangle(data, context, ps[q], ps[q + 1], ps[q + verticesPerRow], cs[q], cs[q + 1], cs[q + verticesPerRow]);
+            drawTriangle(data, context, ps[q + verticesPerRow + 1], ps[q + 1], ps[q + verticesPerRow], cs[q + verticesPerRow + 1], cs[q + 1], cs[q + verticesPerRow]);
+          }
+        }
+
+        break;
+
+      case 'triangles':
+        for (i = 0, ii = ps.length; i < ii; i += 3) {
+          drawTriangle(data, context, ps[i], ps[i + 1], ps[i + 2], cs[i], cs[i + 1], cs[i + 2]);
+        }
+
+        break;
+
+      default:
+        throw new Error('illegal figure');
+    }
+  }
+
+  function createMeshCanvas(bounds, combinesScale, coords, colors, figures, backgroundColor, cachedCanvases, webGLContext) {
+    var EXPECTED_SCALE = 1.1;
+    var MAX_PATTERN_SIZE = 3000;
+    var BORDER_SIZE = 2;
+    var offsetX = Math.floor(bounds[0]);
+    var offsetY = Math.floor(bounds[1]);
+    var boundsWidth = Math.ceil(bounds[2]) - offsetX;
+    var boundsHeight = Math.ceil(bounds[3]) - offsetY;
+    var width = Math.min(Math.ceil(Math.abs(boundsWidth * combinesScale[0] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
+    var height = Math.min(Math.ceil(Math.abs(boundsHeight * combinesScale[1] * EXPECTED_SCALE)), MAX_PATTERN_SIZE);
+    var scaleX = boundsWidth / width;
+    var scaleY = boundsHeight / height;
+    var context = {
+      coords: coords,
+      colors: colors,
+      offsetX: -offsetX,
+      offsetY: -offsetY,
+      scaleX: 1 / scaleX,
+      scaleY: 1 / scaleY
+    };
+    var paddedWidth = width + BORDER_SIZE * 2;
+    var paddedHeight = height + BORDER_SIZE * 2;
+    var canvas, tmpCanvas, i, ii;
+
+    if (webGLContext.isEnabled) {
+      canvas = webGLContext.drawFigures({
+        width: width,
+        height: height,
+        backgroundColor: backgroundColor,
+        figures: figures,
+        context: context
+      });
+      tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false);
+      tmpCanvas.context.drawImage(canvas, BORDER_SIZE, BORDER_SIZE);
+      canvas = tmpCanvas.canvas;
+    } else {
+      tmpCanvas = cachedCanvases.getCanvas('mesh', paddedWidth, paddedHeight, false);
+      var tmpCtx = tmpCanvas.context;
+      var data = tmpCtx.createImageData(width, height);
+
+      if (backgroundColor) {
+        var bytes = data.data;
+
+        for (i = 0, ii = bytes.length; i < ii; i += 4) {
+          bytes[i] = backgroundColor[0];
+          bytes[i + 1] = backgroundColor[1];
+          bytes[i + 2] = backgroundColor[2];
+          bytes[i + 3] = 255;
+        }
+      }
+
+      for (i = 0; i < figures.length; i++) {
+        drawFigure(data, figures[i], context);
+      }
+
+      tmpCtx.putImageData(data, BORDER_SIZE, BORDER_SIZE);
+      canvas = tmpCanvas.canvas;
+    }
+
+    return {
+      canvas: canvas,
+      offsetX: offsetX - BORDER_SIZE * scaleX,
+      offsetY: offsetY - BORDER_SIZE * scaleY,
+      scaleX: scaleX,
+      scaleY: scaleY
+    };
+  }
+
+  return createMeshCanvas;
+}();
+
+ShadingIRs.Mesh = {
+  fromIR: function Mesh_fromIR(raw) {
+    var coords = raw[2];
+    var colors = raw[3];
+    var figures = raw[4];
+    var bounds = raw[5];
+    var matrix = raw[6];
+    var background = raw[8];
+    return {
+      type: 'Pattern',
+      getPattern: function Mesh_getPattern(ctx, owner, shadingFill) {
+        var scale;
+
+        if (shadingFill) {
+          scale = _util.Util.singularValueDecompose2dScale(ctx.mozCurrentTransform);
+        } else {
+          scale = _util.Util.singularValueDecompose2dScale(owner.baseTransform);
+
+          if (matrix) {
+            var matrixScale = _util.Util.singularValueDecompose2dScale(matrix);
+
+            scale = [scale[0] * matrixScale[0], scale[1] * matrixScale[1]];
+          }
+        }
+
+        var temporaryPatternCanvas = createMeshCanvas(bounds, scale, coords, colors, figures, shadingFill ? null : background, owner.cachedCanvases, owner.webGLContext);
+
+        if (!shadingFill) {
+          ctx.setTransform.apply(ctx, owner.baseTransform);
+
+          if (matrix) {
+            ctx.transform.apply(ctx, matrix);
+          }
+        }
+
+        ctx.translate(temporaryPatternCanvas.offsetX, temporaryPatternCanvas.offsetY);
+        ctx.scale(temporaryPatternCanvas.scaleX, temporaryPatternCanvas.scaleY);
+        return ctx.createPattern(temporaryPatternCanvas.canvas, 'no-repeat');
+      }
+    };
+  }
+};
+ShadingIRs.Dummy = {
+  fromIR: function Dummy_fromIR() {
+    return {
+      type: 'Pattern',
+      getPattern: function Dummy_fromIR_getPattern() {
+        return 'hotpink';
+      }
+    };
+  }
+};
+
+function getShadingPatternFromIR(raw) {
+  var shadingIR = ShadingIRs[raw[0]];
+
+  if (!shadingIR) {
+    throw new Error("Unknown IR type: ".concat(raw[0]));
+  }
+
+  return shadingIR.fromIR(raw);
+}
+
+var TilingPattern = function TilingPatternClosure() {
+  var PaintType = {
+    COLORED: 1,
+    UNCOLORED: 2
+  };
+  var MAX_PATTERN_SIZE = 3000;
+
+  function TilingPattern(IR, color, ctx, canvasGraphicsFactory, baseTransform) {
+    this.operatorList = IR[2];
+    this.matrix = IR[3] || [1, 0, 0, 1, 0, 0];
+    this.bbox = IR[4];
+    this.xstep = IR[5];
+    this.ystep = IR[6];
+    this.paintType = IR[7];
+    this.tilingType = IR[8];
+    this.color = color;
+    this.canvasGraphicsFactory = canvasGraphicsFactory;
+    this.baseTransform = baseTransform;
+    this.type = 'Pattern';
+    this.ctx = ctx;
+  }
+
+  TilingPattern.prototype = {
+    createPatternCanvas: function TilinPattern_createPatternCanvas(owner) {
+      var operatorList = this.operatorList;
+      var bbox = this.bbox;
+      var xstep = this.xstep;
+      var ystep = this.ystep;
+      var paintType = this.paintType;
+      var tilingType = this.tilingType;
+      var color = this.color;
+      var canvasGraphicsFactory = this.canvasGraphicsFactory;
+      (0, _util.info)('TilingType: ' + tilingType);
+      var x0 = bbox[0],
+          y0 = bbox[1],
+          x1 = bbox[2],
+          y1 = bbox[3];
+
+      var matrixScale = _util.Util.singularValueDecompose2dScale(this.matrix);
+
+      var curMatrixScale = _util.Util.singularValueDecompose2dScale(this.baseTransform);
+
+      var combinedScale = [matrixScale[0] * curMatrixScale[0], matrixScale[1] * curMatrixScale[1]];
+      var dimx = this.getSizeAndScale(xstep, this.ctx.canvas.width, combinedScale[0]);
+      var dimy = this.getSizeAndScale(ystep, this.ctx.canvas.height, combinedScale[1]);
+      var tmpCanvas = owner.cachedCanvases.getCanvas('pattern', dimx.size, dimy.size, true);
+      var tmpCtx = tmpCanvas.context;
+      var graphics = canvasGraphicsFactory.createCanvasGraphics(tmpCtx);
+      graphics.groupLevel = owner.groupLevel;
+      this.setFillAndStrokeStyleToContext(graphics, paintType, color);
+      graphics.transform(dimx.scale, 0, 0, dimy.scale, 0, 0);
+      graphics.transform(1, 0, 0, 1, -x0, -y0);
+      this.clipBbox(graphics, bbox, x0, y0, x1, y1);
+      graphics.executeOperatorList(operatorList);
+      this.ctx.transform(1, 0, 0, 1, x0, y0);
+      this.ctx.scale(1 / dimx.scale, 1 / dimy.scale);
+      return tmpCanvas.canvas;
+    },
+    getSizeAndScale: function TilingPattern_getSizeAndScale(step, realOutputSize, scale) {
+      step = Math.abs(step);
+      var maxSize = Math.max(MAX_PATTERN_SIZE, realOutputSize);
+      var size = Math.ceil(step * scale);
+
+      if (size >= maxSize) {
+        size = maxSize;
+      } else {
+        scale = size / step;
+      }
+
+      return {
+        scale: scale,
+        size: size
+      };
+    },
+    clipBbox: function clipBbox(graphics, bbox, x0, y0, x1, y1) {
+      if (Array.isArray(bbox) && bbox.length === 4) {
+        var bboxWidth = x1 - x0;
+        var bboxHeight = y1 - y0;
+        graphics.ctx.rect(x0, y0, bboxWidth, bboxHeight);
+        graphics.clip();
+        graphics.endPath();
+      }
+    },
+    setFillAndStrokeStyleToContext: function setFillAndStrokeStyleToContext(graphics, paintType, color) {
+      var context = graphics.ctx,
+          current = graphics.current;
+
+      switch (paintType) {
+        case PaintType.COLORED:
+          var ctx = this.ctx;
+          context.fillStyle = ctx.fillStyle;
+          context.strokeStyle = ctx.strokeStyle;
+          current.fillColor = ctx.fillStyle;
+          current.strokeColor = ctx.strokeStyle;
+          break;
+
+        case PaintType.UNCOLORED:
+          var cssColor = _util.Util.makeCssRgb(color[0], color[1], color[2]);
+
+          context.fillStyle = cssColor;
+          context.strokeStyle = cssColor;
+          current.fillColor = cssColor;
+          current.strokeColor = cssColor;
+          break;
+
+        default:
+          throw new _util.FormatError("Unsupported paint type: ".concat(paintType));
+      }
+    },
+    getPattern: function TilingPattern_getPattern(ctx, owner) {
+      ctx = this.ctx;
+      ctx.setTransform.apply(ctx, this.baseTransform);
+      ctx.transform.apply(ctx, this.matrix);
+      var temporaryPatternCanvas = this.createPatternCanvas(owner);
+      return ctx.createPattern(temporaryPatternCanvas, 'repeat');
+    }
+  };
+  return TilingPattern;
+}();
+
+exports.TilingPattern = TilingPattern;
+
+/***/ }),
+/* 156 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.GlobalWorkerOptions = void 0;
+var GlobalWorkerOptions = Object.create(null);
+exports.GlobalWorkerOptions = GlobalWorkerOptions;
+GlobalWorkerOptions.workerPort = GlobalWorkerOptions.workerPort === undefined ? null : GlobalWorkerOptions.workerPort;
+GlobalWorkerOptions.workerSrc = GlobalWorkerOptions.workerSrc === undefined ? '' : GlobalWorkerOptions.workerSrc;
+
+/***/ }),
+/* 157 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.MessageHandler = MessageHandler;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(148));
+
+var _util = __w_pdfjs_require__(1);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function resolveCall(_x, _x2) {
+  return _resolveCall.apply(this, arguments);
+}
+
+function _resolveCall() {
+  _resolveCall = _asyncToGenerator(
+  /*#__PURE__*/
+  _regenerator["default"].mark(function _callee(fn, args) {
+    var thisArg,
+        _args = arguments;
+    return _regenerator["default"].wrap(function _callee$(_context) {
+      while (1) {
+        switch (_context.prev = _context.next) {
+          case 0:
+            thisArg = _args.length > 2 && _args[2] !== undefined ? _args[2] : null;
+
+            if (fn) {
+              _context.next = 3;
+              break;
+            }
+
+            return _context.abrupt("return", undefined);
+
+          case 3:
+            return _context.abrupt("return", fn.apply(thisArg, args));
+
+          case 4:
+          case "end":
+            return _context.stop();
+        }
+      }
+    }, _callee);
+  }));
+  return _resolveCall.apply(this, arguments);
+}
+
+function wrapReason(reason) {
+  if (_typeof(reason) !== 'object') {
+    return reason;
+  }
+
+  switch (reason.name) {
+    case 'AbortException':
+      return new _util.AbortException(reason.message);
+
+    case 'MissingPDFException':
+      return new _util.MissingPDFException(reason.message);
+
+    case 'UnexpectedResponseException':
+      return new _util.UnexpectedResponseException(reason.message, reason.status);
+
+    default:
+      return new _util.UnknownErrorException(reason.message, reason.details);
+  }
+}
+
+function makeReasonSerializable(reason) {
+  if (!(reason instanceof Error) || reason instanceof _util.AbortException || reason instanceof _util.MissingPDFException || reason instanceof _util.UnexpectedResponseException || reason instanceof _util.UnknownErrorException) {
+    return reason;
+  }
+
+  return new _util.UnknownErrorException(reason.message, reason.toString());
+}
+
+function resolveOrReject(capability, success, reason) {
+  if (success) {
+    capability.resolve();
+  } else {
+    capability.reject(reason);
+  }
+}
+
+function finalize(promise) {
+  return Promise.resolve(promise)["catch"](function () {});
+}
+
+function MessageHandler(sourceName, targetName, comObj) {
+  var _this = this;
+
+  this.sourceName = sourceName;
+  this.targetName = targetName;
+  this.comObj = comObj;
+  this.callbackId = 1;
+  this.streamId = 1;
+  this.postMessageTransfers = true;
+  this.streamSinks = Object.create(null);
+  this.streamControllers = Object.create(null);
+  var callbacksCapabilities = this.callbacksCapabilities = Object.create(null);
+  var ah = this.actionHandler = Object.create(null);
+
+  this._onComObjOnMessage = function (event) {
+    var data = event.data;
+
+    if (data.targetName !== _this.sourceName) {
+      return;
+    }
+
+    if (data.stream) {
+      _this._processStreamMessage(data);
+    } else if (data.isReply) {
+      var callbackId = data.callbackId;
+
+      if (data.callbackId in callbacksCapabilities) {
+        var callback = callbacksCapabilities[callbackId];
+        delete callbacksCapabilities[callbackId];
+
+        if ('error' in data) {
+          callback.reject(wrapReason(data.error));
+        } else {
+          callback.resolve(data.data);
+        }
+      } else {
+        throw new Error("Cannot resolve callback ".concat(callbackId));
+      }
+    } else if (data.action in ah) {
+      var action = ah[data.action];
+
+      if (data.callbackId) {
+        var _sourceName = _this.sourceName;
+        var _targetName = data.sourceName;
+        Promise.resolve().then(function () {
+          return action[0].call(action[1], data.data);
+        }).then(function (result) {
+          comObj.postMessage({
+            sourceName: _sourceName,
+            targetName: _targetName,
+            isReply: true,
+            callbackId: data.callbackId,
+            data: result
+          });
+        }, function (reason) {
+          comObj.postMessage({
+            sourceName: _sourceName,
+            targetName: _targetName,
+            isReply: true,
+            callbackId: data.callbackId,
+            error: makeReasonSerializable(reason)
+          });
+        });
+      } else if (data.streamId) {
+        _this._createStreamSink(data);
+      } else {
+        action[0].call(action[1], data.data);
+      }
+    } else {
+      throw new Error("Unknown action from worker: ".concat(data.action));
+    }
+  };
+
+  comObj.addEventListener('message', this._onComObjOnMessage);
+}
+
+MessageHandler.prototype = {
+  on: function on(actionName, handler, scope) {
+    var ah = this.actionHandler;
+
+    if (ah[actionName]) {
+      throw new Error("There is already an actionName called \"".concat(actionName, "\""));
+    }
+
+    ah[actionName] = [handler, scope];
+  },
+  send: function send(actionName, data, transfers) {
+    var message = {
+      sourceName: this.sourceName,
+      targetName: this.targetName,
+      action: actionName,
+      data: data
+    };
+    this.postMessage(message, transfers);
+  },
+  sendWithPromise: function sendWithPromise(actionName, data, transfers) {
+    var callbackId = this.callbackId++;
+    var message = {
+      sourceName: this.sourceName,
+      targetName: this.targetName,
+      action: actionName,
+      data: data,
+      callbackId: callbackId
+    };
+    var capability = (0, _util.createPromiseCapability)();
+    this.callbacksCapabilities[callbackId] = capability;
+
+    try {
+      this.postMessage(message, transfers);
+    } catch (e) {
+      capability.reject(e);
+    }
+
+    return capability.promise;
+  },
+  sendWithStream: function sendWithStream(actionName, data, queueingStrategy, transfers) {
+    var _this2 = this;
+
+    var streamId = this.streamId++;
+    var sourceName = this.sourceName;
+    var targetName = this.targetName;
+    return new _util.ReadableStream({
+      start: function start(controller) {
+        var startCapability = (0, _util.createPromiseCapability)();
+        _this2.streamControllers[streamId] = {
+          controller: controller,
+          startCall: startCapability,
+          isClosed: false
+        };
+
+        _this2.postMessage({
+          sourceName: sourceName,
+          targetName: targetName,
+          action: actionName,
+          streamId: streamId,
+          data: data,
+          desiredSize: controller.desiredSize
+        });
+
+        return startCapability.promise;
+      },
+      pull: function pull(controller) {
+        var pullCapability = (0, _util.createPromiseCapability)();
+        _this2.streamControllers[streamId].pullCall = pullCapability;
+
+        _this2.postMessage({
+          sourceName: sourceName,
+          targetName: targetName,
+          stream: 'pull',
+          streamId: streamId,
+          desiredSize: controller.desiredSize
+        });
+
+        return pullCapability.promise;
+      },
+      cancel: function cancel(reason) {
+        var cancelCapability = (0, _util.createPromiseCapability)();
+        _this2.streamControllers[streamId].cancelCall = cancelCapability;
+        _this2.streamControllers[streamId].isClosed = true;
+
+        _this2.postMessage({
+          sourceName: sourceName,
+          targetName: targetName,
+          stream: 'cancel',
+          reason: reason,
+          streamId: streamId
+        });
+
+        return cancelCapability.promise;
+      }
+    }, queueingStrategy);
+  },
+  _createStreamSink: function _createStreamSink(data) {
+    var _this3 = this;
+
+    var self = this;
+    var action = this.actionHandler[data.action];
+    var streamId = data.streamId;
+    var desiredSize = data.desiredSize;
+    var sourceName = this.sourceName;
+    var targetName = data.sourceName;
+    var capability = (0, _util.createPromiseCapability)();
+
+    var sendStreamRequest = function sendStreamRequest(_ref) {
+      var stream = _ref.stream,
+          chunk = _ref.chunk,
+          transfers = _ref.transfers,
+          success = _ref.success,
+          reason = _ref.reason;
+
+      _this3.postMessage({
+        sourceName: sourceName,
+        targetName: targetName,
+        stream: stream,
+        streamId: streamId,
+        chunk: chunk,
+        success: success,
+        reason: reason
+      }, transfers);
+    };
+
+    var streamSink = {
+      enqueue: function enqueue(chunk) {
+        var size = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
+        var transfers = arguments.length > 2 ? arguments[2] : undefined;
+
+        if (this.isCancelled) {
+          return;
+        }
+
+        var lastDesiredSize = this.desiredSize;
+        this.desiredSize -= size;
+
+        if (lastDesiredSize > 0 && this.desiredSize <= 0) {
+          this.sinkCapability = (0, _util.createPromiseCapability)();
+          this.ready = this.sinkCapability.promise;
+        }
+
+        sendStreamRequest({
+          stream: 'enqueue',
+          chunk: chunk,
+          transfers: transfers
+        });
+      },
+      close: function close() {
+        if (this.isCancelled) {
+          return;
+        }
+
+        this.isCancelled = true;
+        sendStreamRequest({
+          stream: 'close'
+        });
+        delete self.streamSinks[streamId];
+      },
+      error: function error(reason) {
+        if (this.isCancelled) {
+          return;
+        }
+
+        this.isCancelled = true;
+        sendStreamRequest({
+          stream: 'error',
+          reason: reason
+        });
+      },
+      sinkCapability: capability,
+      onPull: null,
+      onCancel: null,
+      isCancelled: false,
+      desiredSize: desiredSize,
+      ready: null
+    };
+    streamSink.sinkCapability.resolve();
+    streamSink.ready = streamSink.sinkCapability.promise;
+    this.streamSinks[streamId] = streamSink;
+    resolveCall(action[0], [data.data, streamSink], action[1]).then(function () {
+      sendStreamRequest({
+        stream: 'start_complete',
+        success: true
+      });
+    }, function (reason) {
+      sendStreamRequest({
+        stream: 'start_complete',
+        success: false,
+        reason: reason
+      });
+    });
+  },
+  _processStreamMessage: function _processStreamMessage(data) {
+    var _this4 = this;
+
+    var sourceName = this.sourceName;
+    var targetName = data.sourceName;
+    var streamId = data.streamId;
+
+    var sendStreamResponse = function sendStreamResponse(_ref2) {
+      var stream = _ref2.stream,
+          success = _ref2.success,
+          reason = _ref2.reason;
+
+      _this4.comObj.postMessage({
+        sourceName: sourceName,
+        targetName: targetName,
+        stream: stream,
+        success: success,
+        streamId: streamId,
+        reason: reason
+      });
+    };
+
+    var deleteStreamController = function deleteStreamController() {
+      Promise.all([_this4.streamControllers[data.streamId].startCall, _this4.streamControllers[data.streamId].pullCall, _this4.streamControllers[data.streamId].cancelCall].map(function (capability) {
+        return capability && finalize(capability.promise);
+      })).then(function () {
+        delete _this4.streamControllers[data.streamId];
+      });
+    };
+
+    switch (data.stream) {
+      case 'start_complete':
+        resolveOrReject(this.streamControllers[data.streamId].startCall, data.success, wrapReason(data.reason));
+        break;
+
+      case 'pull_complete':
+        resolveOrReject(this.streamControllers[data.streamId].pullCall, data.success, wrapReason(data.reason));
+        break;
+
+      case 'pull':
+        if (!this.streamSinks[data.streamId]) {
+          sendStreamResponse({
+            stream: 'pull_complete',
+            success: true
+          });
+          break;
+        }
+
+        if (this.streamSinks[data.streamId].desiredSize <= 0 && data.desiredSize > 0) {
+          this.streamSinks[data.streamId].sinkCapability.resolve();
+        }
+
+        this.streamSinks[data.streamId].desiredSize = data.desiredSize;
+        resolveCall(this.streamSinks[data.streamId].onPull).then(function () {
+          sendStreamResponse({
+            stream: 'pull_complete',
+            success: true
+          });
+        }, function (reason) {
+          sendStreamResponse({
+            stream: 'pull_complete',
+            success: false,
+            reason: reason
+          });
+        });
+        break;
+
+      case 'enqueue':
+        (0, _util.assert)(this.streamControllers[data.streamId], 'enqueue should have stream controller');
+
+        if (!this.streamControllers[data.streamId].isClosed) {
+          this.streamControllers[data.streamId].controller.enqueue(data.chunk);
+        }
+
+        break;
+
+      case 'close':
+        (0, _util.assert)(this.streamControllers[data.streamId], 'close should have stream controller');
+
+        if (this.streamControllers[data.streamId].isClosed) {
+          break;
+        }
+
+        this.streamControllers[data.streamId].isClosed = true;
+        this.streamControllers[data.streamId].controller.close();
+        deleteStreamController();
+        break;
+
+      case 'error':
+        (0, _util.assert)(this.streamControllers[data.streamId], 'error should have stream controller');
+        this.streamControllers[data.streamId].controller.error(wrapReason(data.reason));
+        deleteStreamController();
+        break;
+
+      case 'cancel_complete':
+        resolveOrReject(this.streamControllers[data.streamId].cancelCall, data.success, wrapReason(data.reason));
+        deleteStreamController();
+        break;
+
+      case 'cancel':
+        if (!this.streamSinks[data.streamId]) {
+          break;
+        }
+
+        resolveCall(this.streamSinks[data.streamId].onCancel, [wrapReason(data.reason)]).then(function () {
+          sendStreamResponse({
+            stream: 'cancel_complete',
+            success: true
+          });
+        }, function (reason) {
+          sendStreamResponse({
+            stream: 'cancel_complete',
+            success: false,
+            reason: reason
+          });
+        });
+        this.streamSinks[data.streamId].sinkCapability.reject(wrapReason(data.reason));
+        this.streamSinks[data.streamId].isCancelled = true;
+        delete this.streamSinks[data.streamId];
+        break;
+
+      default:
+        throw new Error('Unexpected stream case');
+    }
+  },
+  postMessage: function postMessage(message, transfers) {
+    if (transfers && this.postMessageTransfers) {
+      this.comObj.postMessage(message, transfers);
+    } else {
+      this.comObj.postMessage(message);
+    }
+  },
+  destroy: function destroy() {
+    this.comObj.removeEventListener('message', this._onComObjOnMessage);
+  }
+};
+
+/***/ }),
+/* 158 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.Metadata = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+var _xml_parser = __w_pdfjs_require__(159);
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var Metadata =
+/*#__PURE__*/
+function () {
+  function Metadata(data) {
+    _classCallCheck(this, Metadata);
+
+    (0, _util.assert)(typeof data === 'string', 'Metadata: input is not a string');
+    data = this._repair(data);
+    var parser = new _xml_parser.SimpleXMLParser();
+    var xmlDocument = parser.parseFromString(data);
+    this._metadata = Object.create(null);
+
+    if (xmlDocument) {
+      this._parse(xmlDocument);
+    }
+  }
+
+  _createClass(Metadata, [{
+    key: "_repair",
+    value: function _repair(data) {
+      return data.replace(/^([^<]+)/, '').replace(/>\\376\\377([^<]+)/g, function (all, codes) {
+        var bytes = codes.replace(/\\([0-3])([0-7])([0-7])/g, function (code, d1, d2, d3) {
+          return String.fromCharCode(d1 * 64 + d2 * 8 + d3 * 1);
+        }).replace(/&(amp|apos|gt|lt|quot);/g, function (str, name) {
+          switch (name) {
+            case 'amp':
+              return '&';
+
+            case 'apos':
+              return '\'';
+
+            case 'gt':
+              return '>';
+
+            case 'lt':
+              return '<';
+
+            case 'quot':
+              return '\"';
+          }
+
+          throw new Error("_repair: ".concat(name, " isn't defined."));
+        });
+        var chars = '';
+
+        for (var i = 0, ii = bytes.length; i < ii; i += 2) {
+          var code = bytes.charCodeAt(i) * 256 + bytes.charCodeAt(i + 1);
+
+          if (code >= 32 && code < 127 && code !== 60 && code !== 62 && code !== 38) {
+            chars += String.fromCharCode(code);
+          } else {
+            chars += '&#x' + (0x10000 + code).toString(16).substring(1) + ';';
+          }
+        }
+
+        return '>' + chars;
+      });
+    }
+  }, {
+    key: "_parse",
+    value: function _parse(xmlDocument) {
+      var rdf = xmlDocument.documentElement;
+
+      if (rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
+        rdf = rdf.firstChild;
+
+        while (rdf && rdf.nodeName.toLowerCase() !== 'rdf:rdf') {
+          rdf = rdf.nextSibling;
+        }
+      }
+
+      var nodeName = rdf ? rdf.nodeName.toLowerCase() : null;
+
+      if (!rdf || nodeName !== 'rdf:rdf' || !rdf.hasChildNodes()) {
+        return;
+      }
+
+      var children = rdf.childNodes;
+
+      for (var i = 0, ii = children.length; i < ii; i++) {
+        var desc = children[i];
+
+        if (desc.nodeName.toLowerCase() !== 'rdf:description') {
+          continue;
+        }
+
+        for (var j = 0, jj = desc.childNodes.length; j < jj; j++) {
+          if (desc.childNodes[j].nodeName.toLowerCase() !== '#text') {
+            var entry = desc.childNodes[j];
+            var name = entry.nodeName.toLowerCase();
+            this._metadata[name] = entry.textContent.trim();
+          }
+        }
+      }
+    }
+  }, {
+    key: "get",
+    value: function get(name) {
+      var data = this._metadata[name];
+      return typeof data !== 'undefined' ? data : null;
+    }
+  }, {
+    key: "getAll",
+    value: function getAll() {
+      return this._metadata;
+    }
+  }, {
+    key: "has",
+    value: function has(name) {
+      return typeof this._metadata[name] !== 'undefined';
+    }
+  }]);
+
+  return Metadata;
+}();
+
+exports.Metadata = Metadata;
+
+/***/ }),
+/* 159 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.SimpleXMLParser = void 0;
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
+
+function _iterableToArrayLimit(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
+
+function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var XMLParserErrorCode = {
+  NoError: 0,
+  EndOfDocument: -1,
+  UnterminatedCdat: -2,
+  UnterminatedXmlDeclaration: -3,
+  UnterminatedDoctypeDeclaration: -4,
+  UnterminatedComment: -5,
+  MalformedElement: -6,
+  OutOfMemory: -7,
+  UnterminatedAttributeValue: -8,
+  UnterminatedElement: -9,
+  ElementNeverBegun: -10
+};
+
+function isWhitespace(s, index) {
+  var ch = s[index];
+  return ch === ' ' || ch === '\n' || ch === '\r' || ch === '\t';
+}
+
+function isWhitespaceString(s) {
+  for (var i = 0, ii = s.length; i < ii; i++) {
+    if (!isWhitespace(s, i)) {
+      return false;
+    }
+  }
+
+  return true;
+}
+
+var XMLParserBase =
+/*#__PURE__*/
+function () {
+  function XMLParserBase() {
+    _classCallCheck(this, XMLParserBase);
+  }
+
+  _createClass(XMLParserBase, [{
+    key: "_resolveEntities",
+    value: function _resolveEntities(s) {
+      var _this = this;
+
+      return s.replace(/&([^;]+);/g, function (all, entity) {
+        if (entity.substring(0, 2) === '#x') {
+          return String.fromCharCode(parseInt(entity.substring(2), 16));
+        } else if (entity.substring(0, 1) === '#') {
+          return String.fromCharCode(parseInt(entity.substring(1), 10));
+        }
+
+        switch (entity) {
+          case 'lt':
+            return '<';
+
+          case 'gt':
+            return '>';
+
+          case 'amp':
+            return '&';
+
+          case 'quot':
+            return '\"';
+        }
+
+        return _this.onResolveEntity(entity);
+      });
+    }
+  }, {
+    key: "_parseContent",
+    value: function _parseContent(s, start) {
+      var pos = start,
+          name,
+          attributes = [];
+
+      function skipWs() {
+        while (pos < s.length && isWhitespace(s, pos)) {
+          ++pos;
+        }
+      }
+
+      while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== '>' && s[pos] !== '/') {
+        ++pos;
+      }
+
+      name = s.substring(start, pos);
+      skipWs();
+
+      while (pos < s.length && s[pos] !== '>' && s[pos] !== '/' && s[pos] !== '?') {
+        skipWs();
+        var attrName = '',
+            attrValue = '';
+
+        while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== '=') {
+          attrName += s[pos];
+          ++pos;
+        }
+
+        skipWs();
+
+        if (s[pos] !== '=') {
+          return null;
+        }
+
+        ++pos;
+        skipWs();
+        var attrEndChar = s[pos];
+
+        if (attrEndChar !== '\"' && attrEndChar !== '\'') {
+          return null;
+        }
+
+        var attrEndIndex = s.indexOf(attrEndChar, ++pos);
+
+        if (attrEndIndex < 0) {
+          return null;
+        }
+
+        attrValue = s.substring(pos, attrEndIndex);
+        attributes.push({
+          name: attrName,
+          value: this._resolveEntities(attrValue)
+        });
+        pos = attrEndIndex + 1;
+        skipWs();
+      }
+
+      return {
+        name: name,
+        attributes: attributes,
+        parsed: pos - start
+      };
+    }
+  }, {
+    key: "_parseProcessingInstruction",
+    value: function _parseProcessingInstruction(s, start) {
+      var pos = start,
+          name,
+          value;
+
+      function skipWs() {
+        while (pos < s.length && isWhitespace(s, pos)) {
+          ++pos;
+        }
+      }
+
+      while (pos < s.length && !isWhitespace(s, pos) && s[pos] !== '>' && s[pos] !== '/') {
+        ++pos;
+      }
+
+      name = s.substring(start, pos);
+      skipWs();
+      var attrStart = pos;
+
+      while (pos < s.length && (s[pos] !== '?' || s[pos + 1] !== '>')) {
+        ++pos;
+      }
+
+      value = s.substring(attrStart, pos);
+      return {
+        name: name,
+        value: value,
+        parsed: pos - start
+      };
+    }
+  }, {
+    key: "parseXml",
+    value: function parseXml(s) {
+      var i = 0;
+
+      while (i < s.length) {
+        var ch = s[i];
+        var j = i;
+
+        if (ch === '<') {
+          ++j;
+          var ch2 = s[j];
+          var q = void 0;
+
+          switch (ch2) {
+            case '/':
+              ++j;
+              q = s.indexOf('>', j);
+
+              if (q < 0) {
+                this.onError(XMLParserErrorCode.UnterminatedElement);
+                return;
+              }
+
+              this.onEndElement(s.substring(j, q));
+              j = q + 1;
+              break;
+
+            case '?':
+              ++j;
+
+              var pi = this._parseProcessingInstruction(s, j);
+
+              if (s.substring(j + pi.parsed, j + pi.parsed + 2) !== '?>') {
+                this.onError(XMLParserErrorCode.UnterminatedXmlDeclaration);
+                return;
+              }
+
+              this.onPi(pi.name, pi.value);
+              j += pi.parsed + 2;
+              break;
+
+            case '!':
+              if (s.substring(j + 1, j + 3) === '--') {
+                q = s.indexOf('-->', j + 3);
+
+                if (q < 0) {
+                  this.onError(XMLParserErrorCode.UnterminatedComment);
+                  return;
+                }
+
+                this.onComment(s.substring(j + 3, q));
+                j = q + 3;
+              } else if (s.substring(j + 1, j + 8) === '[CDATA[') {
+                q = s.indexOf(']]>', j + 8);
+
+                if (q < 0) {
+                  this.onError(XMLParserErrorCode.UnterminatedCdat);
+                  return;
+                }
+
+                this.onCdata(s.substring(j + 8, q));
+                j = q + 3;
+              } else if (s.substring(j + 1, j + 8) === 'DOCTYPE') {
+                var q2 = s.indexOf('[', j + 8);
+                var complexDoctype = false;
+                q = s.indexOf('>', j + 8);
+
+                if (q < 0) {
+                  this.onError(XMLParserErrorCode.UnterminatedDoctypeDeclaration);
+                  return;
+                }
+
+                if (q2 > 0 && q > q2) {
+                  q = s.indexOf(']>', j + 8);
+
+                  if (q < 0) {
+                    this.onError(XMLParserErrorCode.UnterminatedDoctypeDeclaration);
+                    return;
+                  }
+
+                  complexDoctype = true;
+                }
+
+                var doctypeContent = s.substring(j + 8, q + (complexDoctype ? 1 : 0));
+                this.onDoctype(doctypeContent);
+                j = q + (complexDoctype ? 2 : 1);
+              } else {
+                this.onError(XMLParserErrorCode.MalformedElement);
+                return;
+              }
+
+              break;
+
+            default:
+              var content = this._parseContent(s, j);
+
+              if (content === null) {
+                this.onError(XMLParserErrorCode.MalformedElement);
+                return;
+              }
+
+              var isClosed = false;
+
+              if (s.substring(j + content.parsed, j + content.parsed + 2) === '/>') {
+                isClosed = true;
+              } else if (s.substring(j + content.parsed, j + content.parsed + 1) !== '>') {
+                this.onError(XMLParserErrorCode.UnterminatedElement);
+                return;
+              }
+
+              this.onBeginElement(content.name, content.attributes, isClosed);
+              j += content.parsed + (isClosed ? 2 : 1);
+              break;
+          }
+        } else {
+          while (j < s.length && s[j] !== '<') {
+            j++;
+          }
+
+          var text = s.substring(i, j);
+          this.onText(this._resolveEntities(text));
+        }
+
+        i = j;
+      }
+    }
+  }, {
+    key: "onResolveEntity",
+    value: function onResolveEntity(name) {
+      return "&".concat(name, ";");
+    }
+  }, {
+    key: "onPi",
+    value: function onPi(name, value) {}
+  }, {
+    key: "onComment",
+    value: function onComment(text) {}
+  }, {
+    key: "onCdata",
+    value: function onCdata(text) {}
+  }, {
+    key: "onDoctype",
+    value: function onDoctype(doctypeContent) {}
+  }, {
+    key: "onText",
+    value: function onText(text) {}
+  }, {
+    key: "onBeginElement",
+    value: function onBeginElement(name, attributes, isEmpty) {}
+  }, {
+    key: "onEndElement",
+    value: function onEndElement(name) {}
+  }, {
+    key: "onError",
+    value: function onError(code) {}
+  }]);
+
+  return XMLParserBase;
+}();
+
+var SimpleDOMNode =
+/*#__PURE__*/
+function () {
+  function SimpleDOMNode(nodeName, nodeValue) {
+    _classCallCheck(this, SimpleDOMNode);
+
+    this.nodeName = nodeName;
+    this.nodeValue = nodeValue;
+    Object.defineProperty(this, 'parentNode', {
+      value: null,
+      writable: true
+    });
+  }
+
+  _createClass(SimpleDOMNode, [{
+    key: "hasChildNodes",
+    value: function hasChildNodes() {
+      return this.childNodes && this.childNodes.length > 0;
+    }
+  }, {
+    key: "firstChild",
+    get: function get() {
+      return this.childNodes && this.childNodes[0];
+    }
+  }, {
+    key: "nextSibling",
+    get: function get() {
+      var childNodes = this.parentNode.childNodes;
+
+      if (!childNodes) {
+        return undefined;
+      }
+
+      var index = childNodes.indexOf(this);
+
+      if (index === -1) {
+        return undefined;
+      }
+
+      return childNodes[index + 1];
+    }
+  }, {
+    key: "textContent",
+    get: function get() {
+      if (!this.childNodes) {
+        return this.nodeValue || '';
+      }
+
+      return this.childNodes.map(function (child) {
+        return child.textContent;
+      }).join('');
+    }
+  }]);
+
+  return SimpleDOMNode;
+}();
+
+var SimpleXMLParser =
+/*#__PURE__*/
+function (_XMLParserBase) {
+  _inherits(SimpleXMLParser, _XMLParserBase);
+
+  function SimpleXMLParser() {
+    var _this2;
+
+    _classCallCheck(this, SimpleXMLParser);
+
+    _this2 = _possibleConstructorReturn(this, _getPrototypeOf(SimpleXMLParser).call(this));
+    _this2._currentFragment = null;
+    _this2._stack = null;
+    _this2._errorCode = XMLParserErrorCode.NoError;
+    return _this2;
+  }
+
+  _createClass(SimpleXMLParser, [{
+    key: "parseFromString",
+    value: function parseFromString(data) {
+      this._currentFragment = [];
+      this._stack = [];
+      this._errorCode = XMLParserErrorCode.NoError;
+      this.parseXml(data);
+
+      if (this._errorCode !== XMLParserErrorCode.NoError) {
+        return undefined;
+      }
+
+      var _this$_currentFragmen = _slicedToArray(this._currentFragment, 1),
+          documentElement = _this$_currentFragmen[0];
+
+      if (!documentElement) {
+        return undefined;
+      }
+
+      return {
+        documentElement: documentElement
+      };
+    }
+  }, {
+    key: "onResolveEntity",
+    value: function onResolveEntity(name) {
+      switch (name) {
+        case 'apos':
+          return '\'';
+      }
+
+      return _get(_getPrototypeOf(SimpleXMLParser.prototype), "onResolveEntity", this).call(this, name);
+    }
+  }, {
+    key: "onText",
+    value: function onText(text) {
+      if (isWhitespaceString(text)) {
+        return;
+      }
+
+      var node = new SimpleDOMNode('#text', text);
+
+      this._currentFragment.push(node);
+    }
+  }, {
+    key: "onCdata",
+    value: function onCdata(text) {
+      var node = new SimpleDOMNode('#text', text);
+
+      this._currentFragment.push(node);
+    }
+  }, {
+    key: "onBeginElement",
+    value: function onBeginElement(name, attributes, isEmpty) {
+      var node = new SimpleDOMNode(name);
+      node.childNodes = [];
+
+      this._currentFragment.push(node);
+
+      if (isEmpty) {
+        return;
+      }
+
+      this._stack.push(this._currentFragment);
+
+      this._currentFragment = node.childNodes;
+    }
+  }, {
+    key: "onEndElement",
+    value: function onEndElement(name) {
+      this._currentFragment = this._stack.pop() || [];
+      var lastElement = this._currentFragment[this._currentFragment.length - 1];
+
+      if (!lastElement) {
+        return;
+      }
+
+      for (var i = 0, ii = lastElement.childNodes.length; i < ii; i++) {
+        lastElement.childNodes[i].parentNode = lastElement;
+      }
+    }
+  }, {
+    key: "onError",
+    value: function onError(code) {
+      this._errorCode = code;
+    }
+  }]);
+
+  return SimpleXMLParser;
+}(XMLParserBase);
+
+exports.SimpleXMLParser = SimpleXMLParser;
+
+/***/ }),
+/* 160 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFDataTransportStream = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(148));
+
+var _util = __w_pdfjs_require__(1);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var PDFDataTransportStream =
+/*#__PURE__*/
+function () {
+  function PDFDataTransportStream(params, pdfDataRangeTransport) {
+    var _this = this;
+
+    _classCallCheck(this, PDFDataTransportStream);
+
+    (0, _util.assert)(pdfDataRangeTransport);
+    this._queuedChunks = [];
+    this._progressiveDone = params.progressiveDone || false;
+    var initialData = params.initialData;
+
+    if (initialData && initialData.length > 0) {
+      var buffer = new Uint8Array(initialData).buffer;
+
+      this._queuedChunks.push(buffer);
+    }
+
+    this._pdfDataRangeTransport = pdfDataRangeTransport;
+    this._isStreamingSupported = !params.disableStream;
+    this._isRangeSupported = !params.disableRange;
+    this._contentLength = params.length;
+    this._fullRequestReader = null;
+    this._rangeReaders = [];
+
+    this._pdfDataRangeTransport.addRangeListener(function (begin, chunk) {
+      _this._onReceiveData({
+        begin: begin,
+        chunk: chunk
+      });
+    });
+
+    this._pdfDataRangeTransport.addProgressListener(function (loaded, total) {
+      _this._onProgress({
+        loaded: loaded,
+        total: total
+      });
+    });
+
+    this._pdfDataRangeTransport.addProgressiveReadListener(function (chunk) {
+      _this._onReceiveData({
+        chunk: chunk
+      });
+    });
+
+    this._pdfDataRangeTransport.addProgressiveDoneListener(function () {
+      _this._onProgressiveDone();
+    });
+
+    this._pdfDataRangeTransport.transportReady();
+  }
+
+  _createClass(PDFDataTransportStream, [{
+    key: "_onReceiveData",
+    value: function _onReceiveData(args) {
+      var buffer = new Uint8Array(args.chunk).buffer;
+
+      if (args.begin === undefined) {
+        if (this._fullRequestReader) {
+          this._fullRequestReader._enqueue(buffer);
+        } else {
+          this._queuedChunks.push(buffer);
+        }
+      } else {
+        var found = this._rangeReaders.some(function (rangeReader) {
+          if (rangeReader._begin !== args.begin) {
+            return false;
+          }
+
+          rangeReader._enqueue(buffer);
+
+          return true;
+        });
+
+        (0, _util.assert)(found);
+      }
+    }
+  }, {
+    key: "_onProgress",
+    value: function _onProgress(evt) {
+      if (evt.total === undefined) {
+        var firstReader = this._rangeReaders[0];
+
+        if (firstReader && firstReader.onProgress) {
+          firstReader.onProgress({
+            loaded: evt.loaded
+          });
+        }
+      } else {
+        var fullReader = this._fullRequestReader;
+
+        if (fullReader && fullReader.onProgress) {
+          fullReader.onProgress({
+            loaded: evt.loaded,
+            total: evt.total
+          });
+        }
+      }
+    }
+  }, {
+    key: "_onProgressiveDone",
+    value: function _onProgressiveDone() {
+      if (this._fullRequestReader) {
+        this._fullRequestReader.progressiveDone();
+      }
+
+      this._progressiveDone = true;
+    }
+  }, {
+    key: "_removeRangeReader",
+    value: function _removeRangeReader(reader) {
+      var i = this._rangeReaders.indexOf(reader);
+
+      if (i >= 0) {
+        this._rangeReaders.splice(i, 1);
+      }
+    }
+  }, {
+    key: "getFullReader",
+    value: function getFullReader() {
+      (0, _util.assert)(!this._fullRequestReader);
+      var queuedChunks = this._queuedChunks;
+      this._queuedChunks = null;
+      return new PDFDataTransportStreamReader(this, queuedChunks, this._progressiveDone);
+    }
+  }, {
+    key: "getRangeReader",
+    value: function getRangeReader(begin, end) {
+      if (end <= this._progressiveDataLength) {
+        return null;
+      }
+
+      var reader = new PDFDataTransportStreamRangeReader(this, begin, end);
+
+      this._pdfDataRangeTransport.requestDataRange(begin, end);
+
+      this._rangeReaders.push(reader);
+
+      return reader;
+    }
+  }, {
+    key: "cancelAllRequests",
+    value: function cancelAllRequests(reason) {
+      if (this._fullRequestReader) {
+        this._fullRequestReader.cancel(reason);
+      }
+
+      var readers = this._rangeReaders.slice(0);
+
+      readers.forEach(function (rangeReader) {
+        rangeReader.cancel(reason);
+      });
+
+      this._pdfDataRangeTransport.abort();
+    }
+  }, {
+    key: "_progressiveDataLength",
+    get: function get() {
+      return this._fullRequestReader ? this._fullRequestReader._loaded : 0;
+    }
+  }]);
+
+  return PDFDataTransportStream;
+}();
+
+exports.PDFDataTransportStream = PDFDataTransportStream;
+
+var PDFDataTransportStreamReader =
+/*#__PURE__*/
+function () {
+  function PDFDataTransportStreamReader(stream, queuedChunks) {
+    var progressiveDone = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
+    _classCallCheck(this, PDFDataTransportStreamReader);
+
+    this._stream = stream;
+    this._done = progressiveDone || false;
+    this._filename = null;
+    this._queuedChunks = queuedChunks || [];
+    this._loaded = 0;
+    var _iteratorNormalCompletion = true;
+    var _didIteratorError = false;
+    var _iteratorError = undefined;
+
+    try {
+      for (var _iterator = this._queuedChunks[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
+        var chunk = _step.value;
+        this._loaded += chunk.byteLength;
+      }
+    } catch (err) {
+      _didIteratorError = true;
+      _iteratorError = err;
+    } finally {
+      try {
+        if (!_iteratorNormalCompletion && _iterator["return"] != null) {
+          _iterator["return"]();
+        }
+      } finally {
+        if (_didIteratorError) {
+          throw _iteratorError;
+        }
+      }
+    }
+
+    this._requests = [];
+    this._headersReady = Promise.resolve();
+    stream._fullRequestReader = this;
+    this.onProgress = null;
+  }
+
+  _createClass(PDFDataTransportStreamReader, [{
+    key: "_enqueue",
+    value: function _enqueue(chunk) {
+      if (this._done) {
+        return;
+      }
+
+      if (this._requests.length > 0) {
+        var requestCapability = this._requests.shift();
+
+        requestCapability.resolve({
+          value: chunk,
+          done: false
+        });
+      } else {
+        this._queuedChunks.push(chunk);
+      }
+
+      this._loaded += chunk.byteLength;
+    }
+  }, {
+    key: "read",
+    value: function () {
+      var _read = _asyncToGenerator(
+      /*#__PURE__*/
+      _regenerator["default"].mark(function _callee() {
+        var chunk, requestCapability;
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                if (!(this._queuedChunks.length > 0)) {
+                  _context.next = 3;
+                  break;
+                }
+
+                chunk = this._queuedChunks.shift();
+                return _context.abrupt("return", {
+                  value: chunk,
+                  done: false
+                });
+
+              case 3:
+                if (!this._done) {
+                  _context.next = 5;
+                  break;
+                }
+
+                return _context.abrupt("return", {
+                  value: undefined,
+                  done: true
+                });
+
+              case 5:
+                requestCapability = (0, _util.createPromiseCapability)();
+
+                this._requests.push(requestCapability);
+
+                return _context.abrupt("return", requestCapability.promise);
+
+              case 8:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee, this);
+      }));
+
+      function read() {
+        return _read.apply(this, arguments);
+      }
+
+      return read;
+    }()
+  }, {
+    key: "cancel",
+    value: function cancel(reason) {
+      this._done = true;
+
+      this._requests.forEach(function (requestCapability) {
+        requestCapability.resolve({
+          value: undefined,
+          done: true
+        });
+      });
+
+      this._requests = [];
+    }
+  }, {
+    key: "progressiveDone",
+    value: function progressiveDone() {
+      if (this._done) {
+        return;
+      }
+
+      this._done = true;
+    }
+  }, {
+    key: "headersReady",
+    get: function get() {
+      return this._headersReady;
+    }
+  }, {
+    key: "filename",
+    get: function get() {
+      return this._filename;
+    }
+  }, {
+    key: "isRangeSupported",
+    get: function get() {
+      return this._stream._isRangeSupported;
+    }
+  }, {
+    key: "isStreamingSupported",
+    get: function get() {
+      return this._stream._isStreamingSupported;
+    }
+  }, {
+    key: "contentLength",
+    get: function get() {
+      return this._stream._contentLength;
+    }
+  }]);
+
+  return PDFDataTransportStreamReader;
+}();
+
+var PDFDataTransportStreamRangeReader =
+/*#__PURE__*/
+function () {
+  function PDFDataTransportStreamRangeReader(stream, begin, end) {
+    _classCallCheck(this, PDFDataTransportStreamRangeReader);
+
+    this._stream = stream;
+    this._begin = begin;
+    this._end = end;
+    this._queuedChunk = null;
+    this._requests = [];
+    this._done = false;
+    this.onProgress = null;
+  }
+
+  _createClass(PDFDataTransportStreamRangeReader, [{
+    key: "_enqueue",
+    value: function _enqueue(chunk) {
+      if (this._done) {
+        return;
+      }
+
+      if (this._requests.length === 0) {
+        this._queuedChunk = chunk;
+      } else {
+        var requestsCapability = this._requests.shift();
+
+        requestsCapability.resolve({
+          value: chunk,
+          done: false
+        });
+
+        this._requests.forEach(function (requestCapability) {
+          requestCapability.resolve({
+            value: undefined,
+            done: true
+          });
+        });
+
+        this._requests = [];
+      }
+
+      this._done = true;
+
+      this._stream._removeRangeReader(this);
+    }
+  }, {
+    key: "read",
+    value: function () {
+      var _read2 = _asyncToGenerator(
+      /*#__PURE__*/
+      _regenerator["default"].mark(function _callee2() {
+        var chunk, requestCapability;
+        return _regenerator["default"].wrap(function _callee2$(_context2) {
+          while (1) {
+            switch (_context2.prev = _context2.next) {
+              case 0:
+                if (!this._queuedChunk) {
+                  _context2.next = 4;
+                  break;
+                }
+
+                chunk = this._queuedChunk;
+                this._queuedChunk = null;
+                return _context2.abrupt("return", {
+                  value: chunk,
+                  done: false
+                });
+
+              case 4:
+                if (!this._done) {
+                  _context2.next = 6;
+                  break;
+                }
+
+                return _context2.abrupt("return", {
+                  value: undefined,
+                  done: true
+                });
+
+              case 6:
+                requestCapability = (0, _util.createPromiseCapability)();
+
+                this._requests.push(requestCapability);
+
+                return _context2.abrupt("return", requestCapability.promise);
+
+              case 9:
+              case "end":
+                return _context2.stop();
+            }
+          }
+        }, _callee2, this);
+      }));
+
+      function read() {
+        return _read2.apply(this, arguments);
+      }
+
+      return read;
+    }()
+  }, {
+    key: "cancel",
+    value: function cancel(reason) {
+      this._done = true;
+
+      this._requests.forEach(function (requestCapability) {
+        requestCapability.resolve({
+          value: undefined,
+          done: true
+        });
+      });
+
+      this._requests = [];
+
+      this._stream._removeRangeReader(this);
+    }
+  }, {
+    key: "isStreamingSupported",
+    get: function get() {
+      return false;
+    }
+  }]);
+
+  return PDFDataTransportStreamRangeReader;
+}();
+
+/***/ }),
+/* 161 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.WebGLContext = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var WebGLContext =
+/*#__PURE__*/
+function () {
+  function WebGLContext(_ref) {
+    var _ref$enable = _ref.enable,
+        enable = _ref$enable === void 0 ? false : _ref$enable;
+
+    _classCallCheck(this, WebGLContext);
+
+    this._enabled = enable === true;
+  }
+
+  _createClass(WebGLContext, [{
+    key: "composeSMask",
+    value: function composeSMask(_ref2) {
+      var layer = _ref2.layer,
+          mask = _ref2.mask,
+          properties = _ref2.properties;
+      return WebGLUtils.composeSMask(layer, mask, properties);
+    }
+  }, {
+    key: "drawFigures",
+    value: function drawFigures(_ref3) {
+      var width = _ref3.width,
+          height = _ref3.height,
+          backgroundColor = _ref3.backgroundColor,
+          figures = _ref3.figures,
+          context = _ref3.context;
+      return WebGLUtils.drawFigures(width, height, backgroundColor, figures, context);
+    }
+  }, {
+    key: "clear",
+    value: function clear() {
+      WebGLUtils.cleanup();
+    }
+  }, {
+    key: "isEnabled",
+    get: function get() {
+      var enabled = this._enabled;
+
+      if (enabled) {
+        enabled = WebGLUtils.tryInitGL();
+      }
+
+      return (0, _util.shadow)(this, 'isEnabled', enabled);
+    }
+  }]);
+
+  return WebGLContext;
+}();
+
+exports.WebGLContext = WebGLContext;
+
+var WebGLUtils = function WebGLUtilsClosure() {
+  function loadShader(gl, code, shaderType) {
+    var shader = gl.createShader(shaderType);
+    gl.shaderSource(shader, code);
+    gl.compileShader(shader);
+    var compiled = gl.getShaderParameter(shader, gl.COMPILE_STATUS);
+
+    if (!compiled) {
+      var errorMsg = gl.getShaderInfoLog(shader);
+      throw new Error('Error during shader compilation: ' + errorMsg);
+    }
+
+    return shader;
+  }
+
+  function createVertexShader(gl, code) {
+    return loadShader(gl, code, gl.VERTEX_SHADER);
+  }
+
+  function createFragmentShader(gl, code) {
+    return loadShader(gl, code, gl.FRAGMENT_SHADER);
+  }
+
+  function createProgram(gl, shaders) {
+    var program = gl.createProgram();
+
+    for (var i = 0, ii = shaders.length; i < ii; ++i) {
+      gl.attachShader(program, shaders[i]);
+    }
+
+    gl.linkProgram(program);
+    var linked = gl.getProgramParameter(program, gl.LINK_STATUS);
+
+    if (!linked) {
+      var errorMsg = gl.getProgramInfoLog(program);
+      throw new Error('Error during program linking: ' + errorMsg);
+    }
+
+    return program;
+  }
+
+  function createTexture(gl, image, textureId) {
+    gl.activeTexture(textureId);
+    var texture = gl.createTexture();
+    gl.bindTexture(gl.TEXTURE_2D, texture);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
+    gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
+    gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);
+    return texture;
+  }
+
+  var currentGL, currentCanvas;
+
+  function generateGL() {
+    if (currentGL) {
+      return;
+    }
+
+    currentCanvas = document.createElement('canvas');
+    currentGL = currentCanvas.getContext('webgl', {
+      premultipliedalpha: false
+    });
+  }
+
+  var smaskVertexShaderCode = '\
+  attribute vec2 a_position;                                    \
+  attribute vec2 a_texCoord;                                    \
+                                                                \
+  uniform vec2 u_resolution;                                    \
+                                                                \
+  varying vec2 v_texCoord;                                      \
+                                                                \
+  void main() {                                                 \
+    vec2 clipSpace = (a_position / u_resolution) * 2.0 - 1.0;   \
+    gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);          \
+                                                                \
+    v_texCoord = a_texCoord;                                    \
+  }                                                             ';
+  var smaskFragmentShaderCode = '\
+  precision mediump float;                                      \
+                                                                \
+  uniform vec4 u_backdrop;                                      \
+  uniform int u_subtype;                                        \
+  uniform sampler2D u_image;                                    \
+  uniform sampler2D u_mask;                                     \
+                                                                \
+  varying vec2 v_texCoord;                                      \
+                                                                \
+  void main() {                                                 \
+    vec4 imageColor = texture2D(u_image, v_texCoord);           \
+    vec4 maskColor = texture2D(u_mask, v_texCoord);             \
+    if (u_backdrop.a > 0.0) {                                   \
+      maskColor.rgb = maskColor.rgb * maskColor.a +             \
+                      u_backdrop.rgb * (1.0 - maskColor.a);     \
+    }                                                           \
+    float lum;                                                  \
+    if (u_subtype == 0) {                                       \
+      lum = maskColor.a;                                        \
+    } else {                                                    \
+      lum = maskColor.r * 0.3 + maskColor.g * 0.59 +            \
+            maskColor.b * 0.11;                                 \
+    }                                                           \
+    imageColor.a *= lum;                                        \
+    imageColor.rgb *= imageColor.a;                             \
+    gl_FragColor = imageColor;                                  \
+  }                                                             ';
+  var smaskCache = null;
+
+  function initSmaskGL() {
+    var canvas, gl;
+    generateGL();
+    canvas = currentCanvas;
+    currentCanvas = null;
+    gl = currentGL;
+    currentGL = null;
+    var vertexShader = createVertexShader(gl, smaskVertexShaderCode);
+    var fragmentShader = createFragmentShader(gl, smaskFragmentShaderCode);
+    var program = createProgram(gl, [vertexShader, fragmentShader]);
+    gl.useProgram(program);
+    var cache = {};
+    cache.gl = gl;
+    cache.canvas = canvas;
+    cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');
+    cache.positionLocation = gl.getAttribLocation(program, 'a_position');
+    cache.backdropLocation = gl.getUniformLocation(program, 'u_backdrop');
+    cache.subtypeLocation = gl.getUniformLocation(program, 'u_subtype');
+    var texCoordLocation = gl.getAttribLocation(program, 'a_texCoord');
+    var texLayerLocation = gl.getUniformLocation(program, 'u_image');
+    var texMaskLocation = gl.getUniformLocation(program, 'u_mask');
+    var texCoordBuffer = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, texCoordBuffer);
+    gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0.0, 0.0, 1.0, 0.0, 0.0, 1.0, 0.0, 1.0, 1.0, 0.0, 1.0, 1.0]), gl.STATIC_DRAW);
+    gl.enableVertexAttribArray(texCoordLocation);
+    gl.vertexAttribPointer(texCoordLocation, 2, gl.FLOAT, false, 0, 0);
+    gl.uniform1i(texLayerLocation, 0);
+    gl.uniform1i(texMaskLocation, 1);
+    smaskCache = cache;
+  }
+
+  function composeSMask(layer, mask, properties) {
+    var width = layer.width,
+        height = layer.height;
+
+    if (!smaskCache) {
+      initSmaskGL();
+    }
+
+    var cache = smaskCache,
+        canvas = cache.canvas,
+        gl = cache.gl;
+    canvas.width = width;
+    canvas.height = height;
+    gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
+    gl.uniform2f(cache.resolutionLocation, width, height);
+
+    if (properties.backdrop) {
+      gl.uniform4f(cache.resolutionLocation, properties.backdrop[0], properties.backdrop[1], properties.backdrop[2], 1);
+    } else {
+      gl.uniform4f(cache.resolutionLocation, 0, 0, 0, 0);
+    }
+
+    gl.uniform1i(cache.subtypeLocation, properties.subtype === 'Luminosity' ? 1 : 0);
+    var texture = createTexture(gl, layer, gl.TEXTURE0);
+    var maskTexture = createTexture(gl, mask, gl.TEXTURE1);
+    var buffer = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, buffer);
+    gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0, 0, width, 0, 0, height, 0, height, width, 0, width, height]), gl.STATIC_DRAW);
+    gl.enableVertexAttribArray(cache.positionLocation);
+    gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
+    gl.clearColor(0, 0, 0, 0);
+    gl.enable(gl.BLEND);
+    gl.blendFunc(gl.ONE, gl.ONE_MINUS_SRC_ALPHA);
+    gl.clear(gl.COLOR_BUFFER_BIT);
+    gl.drawArrays(gl.TRIANGLES, 0, 6);
+    gl.flush();
+    gl.deleteTexture(texture);
+    gl.deleteTexture(maskTexture);
+    gl.deleteBuffer(buffer);
+    return canvas;
+  }
+
+  var figuresVertexShaderCode = '\
+  attribute vec2 a_position;                                    \
+  attribute vec3 a_color;                                       \
+                                                                \
+  uniform vec2 u_resolution;                                    \
+  uniform vec2 u_scale;                                         \
+  uniform vec2 u_offset;                                        \
+                                                                \
+  varying vec4 v_color;                                         \
+                                                                \
+  void main() {                                                 \
+    vec2 position = (a_position + u_offset) * u_scale;          \
+    vec2 clipSpace = (position / u_resolution) * 2.0 - 1.0;     \
+    gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);          \
+                                                                \
+    v_color = vec4(a_color / 255.0, 1.0);                       \
+  }                                                             ';
+  var figuresFragmentShaderCode = '\
+  precision mediump float;                                      \
+                                                                \
+  varying vec4 v_color;                                         \
+                                                                \
+  void main() {                                                 \
+    gl_FragColor = v_color;                                     \
+  }                                                             ';
+  var figuresCache = null;
+
+  function initFiguresGL() {
+    var canvas, gl;
+    generateGL();
+    canvas = currentCanvas;
+    currentCanvas = null;
+    gl = currentGL;
+    currentGL = null;
+    var vertexShader = createVertexShader(gl, figuresVertexShaderCode);
+    var fragmentShader = createFragmentShader(gl, figuresFragmentShaderCode);
+    var program = createProgram(gl, [vertexShader, fragmentShader]);
+    gl.useProgram(program);
+    var cache = {};
+    cache.gl = gl;
+    cache.canvas = canvas;
+    cache.resolutionLocation = gl.getUniformLocation(program, 'u_resolution');
+    cache.scaleLocation = gl.getUniformLocation(program, 'u_scale');
+    cache.offsetLocation = gl.getUniformLocation(program, 'u_offset');
+    cache.positionLocation = gl.getAttribLocation(program, 'a_position');
+    cache.colorLocation = gl.getAttribLocation(program, 'a_color');
+    figuresCache = cache;
+  }
+
+  function drawFigures(width, height, backgroundColor, figures, context) {
+    if (!figuresCache) {
+      initFiguresGL();
+    }
+
+    var cache = figuresCache,
+        canvas = cache.canvas,
+        gl = cache.gl;
+    canvas.width = width;
+    canvas.height = height;
+    gl.viewport(0, 0, gl.drawingBufferWidth, gl.drawingBufferHeight);
+    gl.uniform2f(cache.resolutionLocation, width, height);
+    var count = 0;
+    var i, ii, rows;
+
+    for (i = 0, ii = figures.length; i < ii; i++) {
+      switch (figures[i].type) {
+        case 'lattice':
+          rows = figures[i].coords.length / figures[i].verticesPerRow | 0;
+          count += (rows - 1) * (figures[i].verticesPerRow - 1) * 6;
+          break;
+
+        case 'triangles':
+          count += figures[i].coords.length;
+          break;
+      }
+    }
+
+    var coords = new Float32Array(count * 2);
+    var colors = new Uint8Array(count * 3);
+    var coordsMap = context.coords,
+        colorsMap = context.colors;
+    var pIndex = 0,
+        cIndex = 0;
+
+    for (i = 0, ii = figures.length; i < ii; i++) {
+      var figure = figures[i],
+          ps = figure.coords,
+          cs = figure.colors;
+
+      switch (figure.type) {
+        case 'lattice':
+          var cols = figure.verticesPerRow;
+          rows = ps.length / cols | 0;
+
+          for (var row = 1; row < rows; row++) {
+            var offset = row * cols + 1;
+
+            for (var col = 1; col < cols; col++, offset++) {
+              coords[pIndex] = coordsMap[ps[offset - cols - 1]];
+              coords[pIndex + 1] = coordsMap[ps[offset - cols - 1] + 1];
+              coords[pIndex + 2] = coordsMap[ps[offset - cols]];
+              coords[pIndex + 3] = coordsMap[ps[offset - cols] + 1];
+              coords[pIndex + 4] = coordsMap[ps[offset - 1]];
+              coords[pIndex + 5] = coordsMap[ps[offset - 1] + 1];
+              colors[cIndex] = colorsMap[cs[offset - cols - 1]];
+              colors[cIndex + 1] = colorsMap[cs[offset - cols - 1] + 1];
+              colors[cIndex + 2] = colorsMap[cs[offset - cols - 1] + 2];
+              colors[cIndex + 3] = colorsMap[cs[offset - cols]];
+              colors[cIndex + 4] = colorsMap[cs[offset - cols] + 1];
+              colors[cIndex + 5] = colorsMap[cs[offset - cols] + 2];
+              colors[cIndex + 6] = colorsMap[cs[offset - 1]];
+              colors[cIndex + 7] = colorsMap[cs[offset - 1] + 1];
+              colors[cIndex + 8] = colorsMap[cs[offset - 1] + 2];
+              coords[pIndex + 6] = coords[pIndex + 2];
+              coords[pIndex + 7] = coords[pIndex + 3];
+              coords[pIndex + 8] = coords[pIndex + 4];
+              coords[pIndex + 9] = coords[pIndex + 5];
+              coords[pIndex + 10] = coordsMap[ps[offset]];
+              coords[pIndex + 11] = coordsMap[ps[offset] + 1];
+              colors[cIndex + 9] = colors[cIndex + 3];
+              colors[cIndex + 10] = colors[cIndex + 4];
+              colors[cIndex + 11] = colors[cIndex + 5];
+              colors[cIndex + 12] = colors[cIndex + 6];
+              colors[cIndex + 13] = colors[cIndex + 7];
+              colors[cIndex + 14] = colors[cIndex + 8];
+              colors[cIndex + 15] = colorsMap[cs[offset]];
+              colors[cIndex + 16] = colorsMap[cs[offset] + 1];
+              colors[cIndex + 17] = colorsMap[cs[offset] + 2];
+              pIndex += 12;
+              cIndex += 18;
+            }
+          }
+
+          break;
+
+        case 'triangles':
+          for (var j = 0, jj = ps.length; j < jj; j++) {
+            coords[pIndex] = coordsMap[ps[j]];
+            coords[pIndex + 1] = coordsMap[ps[j] + 1];
+            colors[cIndex] = colorsMap[cs[j]];
+            colors[cIndex + 1] = colorsMap[cs[j] + 1];
+            colors[cIndex + 2] = colorsMap[cs[j] + 2];
+            pIndex += 2;
+            cIndex += 3;
+          }
+
+          break;
+      }
+    }
+
+    if (backgroundColor) {
+      gl.clearColor(backgroundColor[0] / 255, backgroundColor[1] / 255, backgroundColor[2] / 255, 1.0);
+    } else {
+      gl.clearColor(0, 0, 0, 0);
+    }
+
+    gl.clear(gl.COLOR_BUFFER_BIT);
+    var coordsBuffer = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, coordsBuffer);
+    gl.bufferData(gl.ARRAY_BUFFER, coords, gl.STATIC_DRAW);
+    gl.enableVertexAttribArray(cache.positionLocation);
+    gl.vertexAttribPointer(cache.positionLocation, 2, gl.FLOAT, false, 0, 0);
+    var colorsBuffer = gl.createBuffer();
+    gl.bindBuffer(gl.ARRAY_BUFFER, colorsBuffer);
+    gl.bufferData(gl.ARRAY_BUFFER, colors, gl.STATIC_DRAW);
+    gl.enableVertexAttribArray(cache.colorLocation);
+    gl.vertexAttribPointer(cache.colorLocation, 3, gl.UNSIGNED_BYTE, false, 0, 0);
+    gl.uniform2f(cache.scaleLocation, context.scaleX, context.scaleY);
+    gl.uniform2f(cache.offsetLocation, context.offsetX, context.offsetY);
+    gl.drawArrays(gl.TRIANGLES, 0, count);
+    gl.flush();
+    gl.deleteBuffer(coordsBuffer);
+    gl.deleteBuffer(colorsBuffer);
+    return canvas;
+  }
+
+  return {
+    tryInitGL: function tryInitGL() {
+      try {
+        generateGL();
+        return !!currentGL;
+      } catch (ex) {}
+
+      return false;
+    },
+    composeSMask: composeSMask,
+    drawFigures: drawFigures,
+    cleanup: function cleanup() {
+      if (smaskCache && smaskCache.canvas) {
+        smaskCache.canvas.width = 0;
+        smaskCache.canvas.height = 0;
+      }
+
+      if (figuresCache && figuresCache.canvas) {
+        figuresCache.canvas.width = 0;
+        figuresCache.canvas.height = 0;
+      }
+
+      smaskCache = null;
+      figuresCache = null;
+    }
+  };
+}();
+
+/***/ }),
+/* 162 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.renderTextLayer = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+var _global_scope = _interopRequireDefault(__w_pdfjs_require__(3));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+var renderTextLayer = function renderTextLayerClosure() {
+  var MAX_TEXT_DIVS_TO_RENDER = 100000;
+  var NonWhitespaceRegexp = /\S/;
+
+  function isAllWhitespace(str) {
+    return !NonWhitespaceRegexp.test(str);
+  }
+
+  var styleBuf = ['left: ', 0, 'px; top: ', 0, 'px; font-size: ', 0, 'px; font-family: ', '', ';'];
+
+  function appendText(task, geom, styles) {
+    var textDiv = document.createElement('span');
+    var textDivProperties = {
+      style: null,
+      angle: 0,
+      canvasWidth: 0,
+      isWhitespace: false,
+      originalTransform: null,
+      paddingBottom: 0,
+      paddingLeft: 0,
+      paddingRight: 0,
+      paddingTop: 0,
+      scale: 1
+    };
+
+    task._textDivs.push(textDiv);
+
+    if (isAllWhitespace(geom.str)) {
+      textDivProperties.isWhitespace = true;
+
+      task._textDivProperties.set(textDiv, textDivProperties);
+
+      return;
+    }
+
+    var tx = _util.Util.transform(task._viewport.transform, geom.transform);
+
+    var angle = Math.atan2(tx[1], tx[0]);
+    var style = styles[geom.fontName];
+
+    if (style.vertical) {
+      angle += Math.PI / 2;
+    }
+
+    var fontHeight = Math.sqrt(tx[2] * tx[2] + tx[3] * tx[3]);
+    var fontAscent = fontHeight;
+
+    if (style.ascent) {
+      fontAscent = style.ascent * fontAscent;
+    } else if (style.descent) {
+      fontAscent = (1 + style.descent) * fontAscent;
+    }
+
+    var left;
+    var top;
+
+    if (angle === 0) {
+      left = tx[4];
+      top = tx[5] - fontAscent;
+    } else {
+      left = tx[4] + fontAscent * Math.sin(angle);
+      top = tx[5] - fontAscent * Math.cos(angle);
+    }
+
+    styleBuf[1] = left;
+    styleBuf[3] = top;
+    styleBuf[5] = fontHeight;
+    styleBuf[7] = style.fontFamily;
+    textDivProperties.style = styleBuf.join('');
+    textDiv.setAttribute('style', textDivProperties.style);
+    textDiv.textContent = geom.str;
+
+    if (task._fontInspectorEnabled) {
+      textDiv.dataset.fontName = geom.fontName;
+    }
+
+    if (angle !== 0) {
+      textDivProperties.angle = angle * (180 / Math.PI);
+    }
+
+    if (geom.str.length > 1) {
+      if (style.vertical) {
+        textDivProperties.canvasWidth = geom.height * task._viewport.scale;
+      } else {
+        textDivProperties.canvasWidth = geom.width * task._viewport.scale;
+      }
+    }
+
+    task._textDivProperties.set(textDiv, textDivProperties);
+
+    if (task._textContentStream) {
+      task._layoutText(textDiv);
+    }
+
+    if (task._enhanceTextSelection) {
+      var angleCos = 1,
+          angleSin = 0;
+
+      if (angle !== 0) {
+        angleCos = Math.cos(angle);
+        angleSin = Math.sin(angle);
+      }
+
+      var divWidth = (style.vertical ? geom.height : geom.width) * task._viewport.scale;
+      var divHeight = fontHeight;
+      var m, b;
+
+      if (angle !== 0) {
+        m = [angleCos, angleSin, -angleSin, angleCos, left, top];
+        b = _util.Util.getAxialAlignedBoundingBox([0, 0, divWidth, divHeight], m);
+      } else {
+        b = [left, top, left + divWidth, top + divHeight];
+      }
+
+      task._bounds.push({
+        left: b[0],
+        top: b[1],
+        right: b[2],
+        bottom: b[3],
+        div: textDiv,
+        size: [divWidth, divHeight],
+        m: m
+      });
+    }
+  }
+
+  function render(task) {
+    if (task._canceled) {
+      return;
+    }
+
+    var textDivs = task._textDivs;
+    var capability = task._capability;
+    var textDivsLength = textDivs.length;
+
+    if (textDivsLength > MAX_TEXT_DIVS_TO_RENDER) {
+      task._renderingDone = true;
+      capability.resolve();
+      return;
+    }
+
+    if (!task._textContentStream) {
+      for (var i = 0; i < textDivsLength; i++) {
+        task._layoutText(textDivs[i]);
+      }
+    }
+
+    task._renderingDone = true;
+    capability.resolve();
+  }
+
+  function expand(task) {
+    var bounds = task._bounds;
+    var viewport = task._viewport;
+    var expanded = expandBounds(viewport.width, viewport.height, bounds);
+
+    for (var i = 0; i < expanded.length; i++) {
+      var div = bounds[i].div;
+
+      var divProperties = task._textDivProperties.get(div);
+
+      if (divProperties.angle === 0) {
+        divProperties.paddingLeft = bounds[i].left - expanded[i].left;
+        divProperties.paddingTop = bounds[i].top - expanded[i].top;
+        divProperties.paddingRight = expanded[i].right - bounds[i].right;
+        divProperties.paddingBottom = expanded[i].bottom - bounds[i].bottom;
+
+        task._textDivProperties.set(div, divProperties);
+
+        continue;
+      }
+
+      var e = expanded[i],
+          b = bounds[i];
+      var m = b.m,
+          c = m[0],
+          s = m[1];
+      var points = [[0, 0], [0, b.size[1]], [b.size[0], 0], b.size];
+      var ts = new Float64Array(64);
+      points.forEach(function (p, i) {
+        var t = _util.Util.applyTransform(p, m);
+
+        ts[i + 0] = c && (e.left - t[0]) / c;
+        ts[i + 4] = s && (e.top - t[1]) / s;
+        ts[i + 8] = c && (e.right - t[0]) / c;
+        ts[i + 12] = s && (e.bottom - t[1]) / s;
+        ts[i + 16] = s && (e.left - t[0]) / -s;
+        ts[i + 20] = c && (e.top - t[1]) / c;
+        ts[i + 24] = s && (e.right - t[0]) / -s;
+        ts[i + 28] = c && (e.bottom - t[1]) / c;
+        ts[i + 32] = c && (e.left - t[0]) / -c;
+        ts[i + 36] = s && (e.top - t[1]) / -s;
+        ts[i + 40] = c && (e.right - t[0]) / -c;
+        ts[i + 44] = s && (e.bottom - t[1]) / -s;
+        ts[i + 48] = s && (e.left - t[0]) / s;
+        ts[i + 52] = c && (e.top - t[1]) / -c;
+        ts[i + 56] = s && (e.right - t[0]) / s;
+        ts[i + 60] = c && (e.bottom - t[1]) / -c;
+      });
+
+      var findPositiveMin = function findPositiveMin(ts, offset, count) {
+        var result = 0;
+
+        for (var i = 0; i < count; i++) {
+          var t = ts[offset++];
+
+          if (t > 0) {
+            result = result ? Math.min(t, result) : t;
+          }
+        }
+
+        return result;
+      };
+
+      var boxScale = 1 + Math.min(Math.abs(c), Math.abs(s));
+      divProperties.paddingLeft = findPositiveMin(ts, 32, 16) / boxScale;
+      divProperties.paddingTop = findPositiveMin(ts, 48, 16) / boxScale;
+      divProperties.paddingRight = findPositiveMin(ts, 0, 16) / boxScale;
+      divProperties.paddingBottom = findPositiveMin(ts, 16, 16) / boxScale;
+
+      task._textDivProperties.set(div, divProperties);
+    }
+  }
+
+  function expandBounds(width, height, boxes) {
+    var bounds = boxes.map(function (box, i) {
+      return {
+        x1: box.left,
+        y1: box.top,
+        x2: box.right,
+        y2: box.bottom,
+        index: i,
+        x1New: undefined,
+        x2New: undefined
+      };
+    });
+    expandBoundsLTR(width, bounds);
+    var expanded = new Array(boxes.length);
+    bounds.forEach(function (b) {
+      var i = b.index;
+      expanded[i] = {
+        left: b.x1New,
+        top: 0,
+        right: b.x2New,
+        bottom: 0
+      };
+    });
+    boxes.map(function (box, i) {
+      var e = expanded[i],
+          b = bounds[i];
+      b.x1 = box.top;
+      b.y1 = width - e.right;
+      b.x2 = box.bottom;
+      b.y2 = width - e.left;
+      b.index = i;
+      b.x1New = undefined;
+      b.x2New = undefined;
+    });
+    expandBoundsLTR(height, bounds);
+    bounds.forEach(function (b) {
+      var i = b.index;
+      expanded[i].top = b.x1New;
+      expanded[i].bottom = b.x2New;
+    });
+    return expanded;
+  }
+
+  function expandBoundsLTR(width, bounds) {
+    bounds.sort(function (a, b) {
+      return a.x1 - b.x1 || a.index - b.index;
+    });
+    var fakeBoundary = {
+      x1: -Infinity,
+      y1: -Infinity,
+      x2: 0,
+      y2: Infinity,
+      index: -1,
+      x1New: 0,
+      x2New: 0
+    };
+    var horizon = [{
+      start: -Infinity,
+      end: Infinity,
+      boundary: fakeBoundary
+    }];
+    bounds.forEach(function (boundary) {
+      var i = 0;
+
+      while (i < horizon.length && horizon[i].end <= boundary.y1) {
+        i++;
+      }
+
+      var j = horizon.length - 1;
+
+      while (j >= 0 && horizon[j].start >= boundary.y2) {
+        j--;
+      }
+
+      var horizonPart, affectedBoundary;
+      var q,
+          k,
+          maxXNew = -Infinity;
+
+      for (q = i; q <= j; q++) {
+        horizonPart = horizon[q];
+        affectedBoundary = horizonPart.boundary;
+        var xNew;
+
+        if (affectedBoundary.x2 > boundary.x1) {
+          xNew = affectedBoundary.index > boundary.index ? affectedBoundary.x1New : boundary.x1;
+        } else if (affectedBoundary.x2New === undefined) {
+          xNew = (affectedBoundary.x2 + boundary.x1) / 2;
+        } else {
+          xNew = affectedBoundary.x2New;
+        }
+
+        if (xNew > maxXNew) {
+          maxXNew = xNew;
+        }
+      }
+
+      boundary.x1New = maxXNew;
+
+      for (q = i; q <= j; q++) {
+        horizonPart = horizon[q];
+        affectedBoundary = horizonPart.boundary;
+
+        if (affectedBoundary.x2New === undefined) {
+          if (affectedBoundary.x2 > boundary.x1) {
+            if (affectedBoundary.index > boundary.index) {
+              affectedBoundary.x2New = affectedBoundary.x2;
+            }
+          } else {
+            affectedBoundary.x2New = maxXNew;
+          }
+        } else if (affectedBoundary.x2New > maxXNew) {
+          affectedBoundary.x2New = Math.max(maxXNew, affectedBoundary.x2);
+        }
+      }
+
+      var changedHorizon = [],
+          lastBoundary = null;
+
+      for (q = i; q <= j; q++) {
+        horizonPart = horizon[q];
+        affectedBoundary = horizonPart.boundary;
+        var useBoundary = affectedBoundary.x2 > boundary.x2 ? affectedBoundary : boundary;
+
+        if (lastBoundary === useBoundary) {
+          changedHorizon[changedHorizon.length - 1].end = horizonPart.end;
+        } else {
+          changedHorizon.push({
+            start: horizonPart.start,
+            end: horizonPart.end,
+            boundary: useBoundary
+          });
+          lastBoundary = useBoundary;
+        }
+      }
+
+      if (horizon[i].start < boundary.y1) {
+        changedHorizon[0].start = boundary.y1;
+        changedHorizon.unshift({
+          start: horizon[i].start,
+          end: boundary.y1,
+          boundary: horizon[i].boundary
+        });
+      }
+
+      if (boundary.y2 < horizon[j].end) {
+        changedHorizon[changedHorizon.length - 1].end = boundary.y2;
+        changedHorizon.push({
+          start: boundary.y2,
+          end: horizon[j].end,
+          boundary: horizon[j].boundary
+        });
+      }
+
+      for (q = i; q <= j; q++) {
+        horizonPart = horizon[q];
+        affectedBoundary = horizonPart.boundary;
+
+        if (affectedBoundary.x2New !== undefined) {
+          continue;
+        }
+
+        var used = false;
+
+        for (k = i - 1; !used && k >= 0 && horizon[k].start >= affectedBoundary.y1; k--) {
+          used = horizon[k].boundary === affectedBoundary;
+        }
+
+        for (k = j + 1; !used && k < horizon.length && horizon[k].end <= affectedBoundary.y2; k++) {
+          used = horizon[k].boundary === affectedBoundary;
+        }
+
+        for (k = 0; !used && k < changedHorizon.length; k++) {
+          used = changedHorizon[k].boundary === affectedBoundary;
+        }
+
+        if (!used) {
+          affectedBoundary.x2New = maxXNew;
+        }
+      }
+
+      Array.prototype.splice.apply(horizon, [i, j - i + 1].concat(changedHorizon));
+    });
+    horizon.forEach(function (horizonPart) {
+      var affectedBoundary = horizonPart.boundary;
+
+      if (affectedBoundary.x2New === undefined) {
+        affectedBoundary.x2New = Math.max(width, affectedBoundary.x2);
+      }
+    });
+  }
+
+  function TextLayerRenderTask(_ref) {
+    var _this = this;
+
+    var textContent = _ref.textContent,
+        textContentStream = _ref.textContentStream,
+        container = _ref.container,
+        viewport = _ref.viewport,
+        textDivs = _ref.textDivs,
+        textContentItemsStr = _ref.textContentItemsStr,
+        enhanceTextSelection = _ref.enhanceTextSelection;
+    this._textContent = textContent;
+    this._textContentStream = textContentStream;
+    this._container = container;
+    this._viewport = viewport;
+    this._textDivs = textDivs || [];
+    this._textContentItemsStr = textContentItemsStr || [];
+    this._enhanceTextSelection = !!enhanceTextSelection;
+    this._fontInspectorEnabled = !!(_global_scope["default"].FontInspector && _global_scope["default"].FontInspector.enabled);
+    this._reader = null;
+    this._layoutTextLastFontSize = null;
+    this._layoutTextLastFontFamily = null;
+    this._layoutTextCtx = null;
+    this._textDivProperties = new WeakMap();
+    this._renderingDone = false;
+    this._canceled = false;
+    this._capability = (0, _util.createPromiseCapability)();
+    this._renderTimer = null;
+    this._bounds = [];
+
+    this._capability.promise["finally"](function () {
+      if (_this._layoutTextCtx) {
+        _this._layoutTextCtx.canvas.width = 0;
+        _this._layoutTextCtx.canvas.height = 0;
+        _this._layoutTextCtx = null;
+      }
+    });
+  }
+
+  TextLayerRenderTask.prototype = {
+    get promise() {
+      return this._capability.promise;
+    },
+
+    cancel: function TextLayer_cancel() {
+      this._canceled = true;
+
+      if (this._reader) {
+        this._reader.cancel(new _util.AbortException('TextLayer task cancelled.'));
+
+        this._reader = null;
+      }
+
+      if (this._renderTimer !== null) {
+        clearTimeout(this._renderTimer);
+        this._renderTimer = null;
+      }
+
+      this._capability.reject(new Error('TextLayer task cancelled.'));
+    },
+    _processItems: function _processItems(items, styleCache) {
+      for (var i = 0, len = items.length; i < len; i++) {
+        this._textContentItemsStr.push(items[i].str);
+
+        appendText(this, items[i], styleCache);
+      }
+    },
+    _layoutText: function _layoutText(textDiv) {
+      var textLayerFrag = this._container;
+
+      var textDivProperties = this._textDivProperties.get(textDiv);
+
+      if (textDivProperties.isWhitespace) {
+        return;
+      }
+
+      var fontSize = textDiv.style.fontSize;
+      var fontFamily = textDiv.style.fontFamily;
+
+      if (fontSize !== this._layoutTextLastFontSize || fontFamily !== this._layoutTextLastFontFamily) {
+        this._layoutTextCtx.font = fontSize + ' ' + fontFamily;
+        this._layoutTextLastFontSize = fontSize;
+        this._layoutTextLastFontFamily = fontFamily;
+      }
+
+      var width = this._layoutTextCtx.measureText(textDiv.textContent).width;
+
+      var transform = '';
+
+      if (textDivProperties.canvasWidth !== 0 && width > 0) {
+        textDivProperties.scale = textDivProperties.canvasWidth / width;
+        transform = "scaleX(".concat(textDivProperties.scale, ")");
+      }
+
+      if (textDivProperties.angle !== 0) {
+        transform = "rotate(".concat(textDivProperties.angle, "deg) ").concat(transform);
+      }
+
+      if (transform.length > 0) {
+        textDivProperties.originalTransform = transform;
+        textDiv.style.transform = transform;
+      }
+
+      this._textDivProperties.set(textDiv, textDivProperties);
+
+      textLayerFrag.appendChild(textDiv);
+    },
+    _render: function TextLayer_render(timeout) {
+      var _this2 = this;
+
+      var capability = (0, _util.createPromiseCapability)();
+      var styleCache = Object.create(null);
+      var canvas = document.createElement('canvas');
+      canvas.mozOpaque = true;
+      this._layoutTextCtx = canvas.getContext('2d', {
+        alpha: false
+      });
+
+      if (this._textContent) {
+        var textItems = this._textContent.items;
+        var textStyles = this._textContent.styles;
+
+        this._processItems(textItems, textStyles);
+
+        capability.resolve();
+      } else if (this._textContentStream) {
+        var pump = function pump() {
+          _this2._reader.read().then(function (_ref2) {
+            var value = _ref2.value,
+                done = _ref2.done;
+
+            if (done) {
+              capability.resolve();
+              return;
+            }
+
+            Object.assign(styleCache, value.styles);
+
+            _this2._processItems(value.items, styleCache);
+
+            pump();
+          }, capability.reject);
+        };
+
+        this._reader = this._textContentStream.getReader();
+        pump();
+      } else {
+        throw new Error('Neither "textContent" nor "textContentStream"' + ' parameters specified.');
+      }
+
+      capability.promise.then(function () {
+        styleCache = null;
+
+        if (!timeout) {
+          render(_this2);
+        } else {
+          _this2._renderTimer = setTimeout(function () {
+            render(_this2);
+            _this2._renderTimer = null;
+          }, timeout);
+        }
+      }, this._capability.reject);
+    },
+    expandTextDivs: function TextLayer_expandTextDivs(expandDivs) {
+      if (!this._enhanceTextSelection || !this._renderingDone) {
+        return;
+      }
+
+      if (this._bounds !== null) {
+        expand(this);
+        this._bounds = null;
+      }
+
+      for (var i = 0, ii = this._textDivs.length; i < ii; i++) {
+        var div = this._textDivs[i];
+
+        var divProperties = this._textDivProperties.get(div);
+
+        if (divProperties.isWhitespace) {
+          continue;
+        }
+
+        if (expandDivs) {
+          var transform = '',
+              padding = '';
+
+          if (divProperties.scale !== 1) {
+            transform = 'scaleX(' + divProperties.scale + ')';
+          }
+
+          if (divProperties.angle !== 0) {
+            transform = 'rotate(' + divProperties.angle + 'deg) ' + transform;
+          }
+
+          if (divProperties.paddingLeft !== 0) {
+            padding += ' padding-left: ' + divProperties.paddingLeft / divProperties.scale + 'px;';
+            transform += ' translateX(' + -divProperties.paddingLeft / divProperties.scale + 'px)';
+          }
+
+          if (divProperties.paddingTop !== 0) {
+            padding += ' padding-top: ' + divProperties.paddingTop + 'px;';
+            transform += ' translateY(' + -divProperties.paddingTop + 'px)';
+          }
+
+          if (divProperties.paddingRight !== 0) {
+            padding += ' padding-right: ' + divProperties.paddingRight / divProperties.scale + 'px;';
+          }
+
+          if (divProperties.paddingBottom !== 0) {
+            padding += ' padding-bottom: ' + divProperties.paddingBottom + 'px;';
+          }
+
+          if (padding !== '') {
+            div.setAttribute('style', divProperties.style + padding);
+          }
+
+          if (transform !== '') {
+            div.style.transform = transform;
+          }
+        } else {
+          div.style.padding = 0;
+          div.style.transform = divProperties.originalTransform || '';
+        }
+      }
+    }
+  };
+
+  function renderTextLayer(renderParameters) {
+    var task = new TextLayerRenderTask({
+      textContent: renderParameters.textContent,
+      textContentStream: renderParameters.textContentStream,
+      container: renderParameters.container,
+      viewport: renderParameters.viewport,
+      textDivs: renderParameters.textDivs,
+      textContentItemsStr: renderParameters.textContentItemsStr,
+      enhanceTextSelection: renderParameters.enhanceTextSelection
+    });
+
+    task._render(renderParameters.timeout);
+
+    return task;
+  }
+
+  return renderTextLayer;
+}();
+
+exports.renderTextLayer = renderTextLayer;
+
+/***/ }),
+/* 163 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.AnnotationLayer = void 0;
+
+var _display_utils = __w_pdfjs_require__(151);
+
+var _util = __w_pdfjs_require__(1);
+
+function _get(target, property, receiver) { if (typeof Reflect !== "undefined" && Reflect.get) { _get = Reflect.get; } else { _get = function _get(target, property, receiver) { var base = _superPropBase(target, property); if (!base) return; var desc = Object.getOwnPropertyDescriptor(base, property); if (desc.get) { return desc.get.call(receiver); } return desc.value; }; } return _get(target, property, receiver || target); }
+
+function _superPropBase(object, property) { while (!Object.prototype.hasOwnProperty.call(object, property)) { object = _getPrototypeOf(object); if (object === null) break; } return object; }
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var AnnotationElementFactory =
+/*#__PURE__*/
+function () {
+  function AnnotationElementFactory() {
+    _classCallCheck(this, AnnotationElementFactory);
+  }
+
+  _createClass(AnnotationElementFactory, null, [{
+    key: "create",
+    value: function create(parameters) {
+      var subtype = parameters.data.annotationType;
+
+      switch (subtype) {
+        case _util.AnnotationType.LINK:
+          return new LinkAnnotationElement(parameters);
+
+        case _util.AnnotationType.TEXT:
+          return new TextAnnotationElement(parameters);
+
+        case _util.AnnotationType.WIDGET:
+          var fieldType = parameters.data.fieldType;
+
+          switch (fieldType) {
+            case 'Tx':
+              return new TextWidgetAnnotationElement(parameters);
+
+            case 'Btn':
+              if (parameters.data.radioButton) {
+                return new RadioButtonWidgetAnnotationElement(parameters);
+              } else if (parameters.data.checkBox) {
+                return new CheckboxWidgetAnnotationElement(parameters);
+              }
+
+              return new PushButtonWidgetAnnotationElement(parameters);
+
+            case 'Ch':
+              return new ChoiceWidgetAnnotationElement(parameters);
+          }
+
+          return new WidgetAnnotationElement(parameters);
+
+        case _util.AnnotationType.POPUP:
+          return new PopupAnnotationElement(parameters);
+
+        case _util.AnnotationType.FREETEXT:
+          return new FreeTextAnnotationElement(parameters);
+
+        case _util.AnnotationType.LINE:
+          return new LineAnnotationElement(parameters);
+
+        case _util.AnnotationType.SQUARE:
+          return new SquareAnnotationElement(parameters);
+
+        case _util.AnnotationType.CIRCLE:
+          return new CircleAnnotationElement(parameters);
+
+        case _util.AnnotationType.POLYLINE:
+          return new PolylineAnnotationElement(parameters);
+
+        case _util.AnnotationType.CARET:
+          return new CaretAnnotationElement(parameters);
+
+        case _util.AnnotationType.INK:
+          return new InkAnnotationElement(parameters);
+
+        case _util.AnnotationType.POLYGON:
+          return new PolygonAnnotationElement(parameters);
+
+        case _util.AnnotationType.HIGHLIGHT:
+          return new HighlightAnnotationElement(parameters);
+
+        case _util.AnnotationType.UNDERLINE:
+          return new UnderlineAnnotationElement(parameters);
+
+        case _util.AnnotationType.SQUIGGLY:
+          return new SquigglyAnnotationElement(parameters);
+
+        case _util.AnnotationType.STRIKEOUT:
+          return new StrikeOutAnnotationElement(parameters);
+
+        case _util.AnnotationType.STAMP:
+          return new StampAnnotationElement(parameters);
+
+        case _util.AnnotationType.FILEATTACHMENT:
+          return new FileAttachmentAnnotationElement(parameters);
+
+        default:
+          return new AnnotationElement(parameters);
+      }
+    }
+  }]);
+
+  return AnnotationElementFactory;
+}();
+
+var AnnotationElement =
+/*#__PURE__*/
+function () {
+  function AnnotationElement(parameters) {
+    var isRenderable = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : false;
+    var ignoreBorder = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
+    _classCallCheck(this, AnnotationElement);
+
+    this.isRenderable = isRenderable;
+    this.data = parameters.data;
+    this.layer = parameters.layer;
+    this.page = parameters.page;
+    this.viewport = parameters.viewport;
+    this.linkService = parameters.linkService;
+    this.downloadManager = parameters.downloadManager;
+    this.imageResourcesPath = parameters.imageResourcesPath;
+    this.renderInteractiveForms = parameters.renderInteractiveForms;
+    this.svgFactory = parameters.svgFactory;
+
+    if (isRenderable) {
+      this.container = this._createContainer(ignoreBorder);
+    }
+  }
+
+  _createClass(AnnotationElement, [{
+    key: "_createContainer",
+    value: function _createContainer() {
+      var ignoreBorder = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+      var data = this.data,
+          page = this.page,
+          viewport = this.viewport;
+      var container = document.createElement('section');
+      var width = data.rect[2] - data.rect[0];
+      var height = data.rect[3] - data.rect[1];
+      container.setAttribute('data-annotation-id', data.id);
+
+      var rect = _util.Util.normalizeRect([data.rect[0], page.view[3] - data.rect[1] + page.view[1], data.rect[2], page.view[3] - data.rect[3] + page.view[1]]);
+
+      container.style.transform = 'matrix(' + viewport.transform.join(',') + ')';
+      container.style.transformOrigin = -rect[0] + 'px ' + -rect[1] + 'px';
+
+      if (!ignoreBorder && data.borderStyle.width > 0) {
+        container.style.borderWidth = data.borderStyle.width + 'px';
+
+        if (data.borderStyle.style !== _util.AnnotationBorderStyleType.UNDERLINE) {
+          width = width - 2 * data.borderStyle.width;
+          height = height - 2 * data.borderStyle.width;
+        }
+
+        var horizontalRadius = data.borderStyle.horizontalCornerRadius;
+        var verticalRadius = data.borderStyle.verticalCornerRadius;
+
+        if (horizontalRadius > 0 || verticalRadius > 0) {
+          var radius = horizontalRadius + 'px / ' + verticalRadius + 'px';
+          container.style.borderRadius = radius;
+        }
+
+        switch (data.borderStyle.style) {
+          case _util.AnnotationBorderStyleType.SOLID:
+            container.style.borderStyle = 'solid';
+            break;
+
+          case _util.AnnotationBorderStyleType.DASHED:
+            container.style.borderStyle = 'dashed';
+            break;
+
+          case _util.AnnotationBorderStyleType.BEVELED:
+            (0, _util.warn)('Unimplemented border style: beveled');
+            break;
+
+          case _util.AnnotationBorderStyleType.INSET:
+            (0, _util.warn)('Unimplemented border style: inset');
+            break;
+
+          case _util.AnnotationBorderStyleType.UNDERLINE:
+            container.style.borderBottomStyle = 'solid';
+            break;
+
+          default:
+            break;
+        }
+
+        if (data.color) {
+          container.style.borderColor = _util.Util.makeCssRgb(data.color[0] | 0, data.color[1] | 0, data.color[2] | 0);
+        } else {
+          container.style.borderWidth = 0;
+        }
+      }
+
+      container.style.left = rect[0] + 'px';
+      container.style.top = rect[1] + 'px';
+      container.style.width = width + 'px';
+      container.style.height = height + 'px';
+      return container;
+    }
+  }, {
+    key: "_createPopup",
+    value: function _createPopup(container, trigger, data) {
+      if (!trigger) {
+        trigger = document.createElement('div');
+        trigger.style.height = container.style.height;
+        trigger.style.width = container.style.width;
+        container.appendChild(trigger);
+      }
+
+      var popupElement = new PopupElement({
+        container: container,
+        trigger: trigger,
+        color: data.color,
+        title: data.title,
+        modificationDate: data.modificationDate,
+        contents: data.contents,
+        hideWrapper: true
+      });
+      var popup = popupElement.render();
+      popup.style.left = container.style.width;
+      container.appendChild(popup);
+    }
+  }, {
+    key: "render",
+    value: function render() {
+      (0, _util.unreachable)('Abstract method `AnnotationElement.render` called');
+    }
+  }]);
+
+  return AnnotationElement;
+}();
+
+var LinkAnnotationElement =
+/*#__PURE__*/
+function (_AnnotationElement) {
+  _inherits(LinkAnnotationElement, _AnnotationElement);
+
+  function LinkAnnotationElement(parameters) {
+    _classCallCheck(this, LinkAnnotationElement);
+
+    var isRenderable = !!(parameters.data.url || parameters.data.dest || parameters.data.action);
+    return _possibleConstructorReturn(this, _getPrototypeOf(LinkAnnotationElement).call(this, parameters, isRenderable));
+  }
+
+  _createClass(LinkAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = 'linkAnnotation';
+      var data = this.data,
+          linkService = this.linkService;
+      var link = document.createElement('a');
+      (0, _display_utils.addLinkAttributes)(link, {
+        url: data.url,
+        target: data.newWindow ? _display_utils.LinkTarget.BLANK : linkService.externalLinkTarget,
+        rel: linkService.externalLinkRel
+      });
+
+      if (!data.url) {
+        if (data.action) {
+          this._bindNamedAction(link, data.action);
+        } else {
+          this._bindLink(link, data.dest);
+        }
+      }
+
+      this.container.appendChild(link);
+      return this.container;
+    }
+  }, {
+    key: "_bindLink",
+    value: function _bindLink(link, destination) {
+      var _this = this;
+
+      link.href = this.linkService.getDestinationHash(destination);
+
+      link.onclick = function () {
+        if (destination) {
+          _this.linkService.navigateTo(destination);
+        }
+
+        return false;
+      };
+
+      if (destination) {
+        link.className = 'internalLink';
+      }
+    }
+  }, {
+    key: "_bindNamedAction",
+    value: function _bindNamedAction(link, action) {
+      var _this2 = this;
+
+      link.href = this.linkService.getAnchorUrl('');
+
+      link.onclick = function () {
+        _this2.linkService.executeNamedAction(action);
+
+        return false;
+      };
+
+      link.className = 'internalLink';
+    }
+  }]);
+
+  return LinkAnnotationElement;
+}(AnnotationElement);
+
+var TextAnnotationElement =
+/*#__PURE__*/
+function (_AnnotationElement2) {
+  _inherits(TextAnnotationElement, _AnnotationElement2);
+
+  function TextAnnotationElement(parameters) {
+    _classCallCheck(this, TextAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _possibleConstructorReturn(this, _getPrototypeOf(TextAnnotationElement).call(this, parameters, isRenderable));
+  }
+
+  _createClass(TextAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = 'textAnnotation';
+      var image = document.createElement('img');
+      image.style.height = this.container.style.height;
+      image.style.width = this.container.style.width;
+      image.src = this.imageResourcesPath + 'annotation-' + this.data.name.toLowerCase() + '.svg';
+      image.alt = '[{{type}} Annotation]';
+      image.dataset.l10nId = 'text_annotation_type';
+      image.dataset.l10nArgs = JSON.stringify({
+        type: this.data.name
+      });
+
+      if (!this.data.hasPopup) {
+        this._createPopup(this.container, image, this.data);
+      }
+
+      this.container.appendChild(image);
+      return this.container;
+    }
+  }]);
+
+  return TextAnnotationElement;
+}(AnnotationElement);
+
+var WidgetAnnotationElement =
+/*#__PURE__*/
+function (_AnnotationElement3) {
+  _inherits(WidgetAnnotationElement, _AnnotationElement3);
+
+  function WidgetAnnotationElement() {
+    _classCallCheck(this, WidgetAnnotationElement);
+
+    return _possibleConstructorReturn(this, _getPrototypeOf(WidgetAnnotationElement).apply(this, arguments));
+  }
+
+  _createClass(WidgetAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      return this.container;
+    }
+  }]);
+
+  return WidgetAnnotationElement;
+}(AnnotationElement);
+
+var TextWidgetAnnotationElement =
+/*#__PURE__*/
+function (_WidgetAnnotationElem) {
+  _inherits(TextWidgetAnnotationElement, _WidgetAnnotationElem);
+
+  function TextWidgetAnnotationElement(parameters) {
+    _classCallCheck(this, TextWidgetAnnotationElement);
+
+    var isRenderable = parameters.renderInteractiveForms || !parameters.data.hasAppearance && !!parameters.data.fieldValue;
+    return _possibleConstructorReturn(this, _getPrototypeOf(TextWidgetAnnotationElement).call(this, parameters, isRenderable));
+  }
+
+  _createClass(TextWidgetAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      var TEXT_ALIGNMENT = ['left', 'center', 'right'];
+      this.container.className = 'textWidgetAnnotation';
+      var element = null;
+
+      if (this.renderInteractiveForms) {
+        if (this.data.multiLine) {
+          element = document.createElement('textarea');
+          element.textContent = this.data.fieldValue;
+        } else {
+          element = document.createElement('input');
+          element.type = 'text';
+          element.setAttribute('value', this.data.fieldValue);
+        }
+
+        element.disabled = this.data.readOnly;
+
+        if (this.data.maxLen !== null) {
+          element.maxLength = this.data.maxLen;
+        }
+
+        if (this.data.comb) {
+          var fieldWidth = this.data.rect[2] - this.data.rect[0];
+          var combWidth = fieldWidth / this.data.maxLen;
+          element.classList.add('comb');
+          element.style.letterSpacing = 'calc(' + combWidth + 'px - 1ch)';
+        }
+      } else {
+        element = document.createElement('div');
+        element.textContent = this.data.fieldValue;
+        element.style.verticalAlign = 'middle';
+        element.style.display = 'table-cell';
+        var font = null;
+
+        if (this.data.fontRefName && this.page.commonObjs.has(this.data.fontRefName)) {
+          font = this.page.commonObjs.get(this.data.fontRefName);
+        }
+
+        this._setTextStyle(element, font);
+      }
+
+      if (this.data.textAlignment !== null) {
+        element.style.textAlign = TEXT_ALIGNMENT[this.data.textAlignment];
+      }
+
+      this.container.appendChild(element);
+      return this.container;
+    }
+  }, {
+    key: "_setTextStyle",
+    value: function _setTextStyle(element, font) {
+      var style = element.style;
+      style.fontSize = this.data.fontSize + 'px';
+      style.direction = this.data.fontDirection < 0 ? 'rtl' : 'ltr';
+
+      if (!font) {
+        return;
+      }
+
+      style.fontWeight = font.black ? font.bold ? '900' : 'bold' : font.bold ? 'bold' : 'normal';
+      style.fontStyle = font.italic ? 'italic' : 'normal';
+      var fontFamily = font.loadedName ? '"' + font.loadedName + '", ' : '';
+      var fallbackName = font.fallbackName || 'Helvetica, sans-serif';
+      style.fontFamily = fontFamily + fallbackName;
+    }
+  }]);
+
+  return TextWidgetAnnotationElement;
+}(WidgetAnnotationElement);
+
+var CheckboxWidgetAnnotationElement =
+/*#__PURE__*/
+function (_WidgetAnnotationElem2) {
+  _inherits(CheckboxWidgetAnnotationElement, _WidgetAnnotationElem2);
+
+  function CheckboxWidgetAnnotationElement(parameters) {
+    _classCallCheck(this, CheckboxWidgetAnnotationElement);
+
+    return _possibleConstructorReturn(this, _getPrototypeOf(CheckboxWidgetAnnotationElement).call(this, parameters, parameters.renderInteractiveForms));
+  }
+
+  _createClass(CheckboxWidgetAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = 'buttonWidgetAnnotation checkBox';
+      var element = document.createElement('input');
+      element.disabled = this.data.readOnly;
+      element.type = 'checkbox';
+
+      if (this.data.fieldValue && this.data.fieldValue !== 'Off') {
+        element.setAttribute('checked', true);
+      }
+
+      this.container.appendChild(element);
+      return this.container;
+    }
+  }]);
+
+  return CheckboxWidgetAnnotationElement;
+}(WidgetAnnotationElement);
+
+var RadioButtonWidgetAnnotationElement =
+/*#__PURE__*/
+function (_WidgetAnnotationElem3) {
+  _inherits(RadioButtonWidgetAnnotationElement, _WidgetAnnotationElem3);
+
+  function RadioButtonWidgetAnnotationElement(parameters) {
+    _classCallCheck(this, RadioButtonWidgetAnnotationElement);
+
+    return _possibleConstructorReturn(this, _getPrototypeOf(RadioButtonWidgetAnnotationElement).call(this, parameters, parameters.renderInteractiveForms));
+  }
+
+  _createClass(RadioButtonWidgetAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = 'buttonWidgetAnnotation radioButton';
+      var element = document.createElement('input');
+      element.disabled = this.data.readOnly;
+      element.type = 'radio';
+      element.name = this.data.fieldName;
+
+      if (this.data.fieldValue === this.data.buttonValue) {
+        element.setAttribute('checked', true);
+      }
+
+      this.container.appendChild(element);
+      return this.container;
+    }
+  }]);
+
+  return RadioButtonWidgetAnnotationElement;
+}(WidgetAnnotationElement);
+
+var PushButtonWidgetAnnotationElement =
+/*#__PURE__*/
+function (_LinkAnnotationElemen) {
+  _inherits(PushButtonWidgetAnnotationElement, _LinkAnnotationElemen);
+
+  function PushButtonWidgetAnnotationElement() {
+    _classCallCheck(this, PushButtonWidgetAnnotationElement);
+
+    return _possibleConstructorReturn(this, _getPrototypeOf(PushButtonWidgetAnnotationElement).apply(this, arguments));
+  }
+
+  _createClass(PushButtonWidgetAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      var container = _get(_getPrototypeOf(PushButtonWidgetAnnotationElement.prototype), "render", this).call(this);
+
+      container.className = 'buttonWidgetAnnotation pushButton';
+      return container;
+    }
+  }]);
+
+  return PushButtonWidgetAnnotationElement;
+}(LinkAnnotationElement);
+
+var ChoiceWidgetAnnotationElement =
+/*#__PURE__*/
+function (_WidgetAnnotationElem4) {
+  _inherits(ChoiceWidgetAnnotationElement, _WidgetAnnotationElem4);
+
+  function ChoiceWidgetAnnotationElement(parameters) {
+    _classCallCheck(this, ChoiceWidgetAnnotationElement);
+
+    return _possibleConstructorReturn(this, _getPrototypeOf(ChoiceWidgetAnnotationElement).call(this, parameters, parameters.renderInteractiveForms));
+  }
+
+  _createClass(ChoiceWidgetAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = 'choiceWidgetAnnotation';
+      var selectElement = document.createElement('select');
+      selectElement.disabled = this.data.readOnly;
+
+      if (!this.data.combo) {
+        selectElement.size = this.data.options.length;
+
+        if (this.data.multiSelect) {
+          selectElement.multiple = true;
+        }
+      }
+
+      for (var i = 0, ii = this.data.options.length; i < ii; i++) {
+        var option = this.data.options[i];
+        var optionElement = document.createElement('option');
+        optionElement.textContent = option.displayValue;
+        optionElement.value = option.exportValue;
+
+        if (this.data.fieldValue.includes(option.displayValue)) {
+          optionElement.setAttribute('selected', true);
+        }
+
+        selectElement.appendChild(optionElement);
+      }
+
+      this.container.appendChild(selectElement);
+      return this.container;
+    }
+  }]);
+
+  return ChoiceWidgetAnnotationElement;
+}(WidgetAnnotationElement);
+
+var PopupAnnotationElement =
+/*#__PURE__*/
+function (_AnnotationElement4) {
+  _inherits(PopupAnnotationElement, _AnnotationElement4);
+
+  function PopupAnnotationElement(parameters) {
+    _classCallCheck(this, PopupAnnotationElement);
+
+    var isRenderable = !!(parameters.data.title || parameters.data.contents);
+    return _possibleConstructorReturn(this, _getPrototypeOf(PopupAnnotationElement).call(this, parameters, isRenderable));
+  }
+
+  _createClass(PopupAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      var IGNORE_TYPES = ['Line', 'Square', 'Circle', 'PolyLine', 'Polygon', 'Ink'];
+      this.container.className = 'popupAnnotation';
+
+      if (IGNORE_TYPES.includes(this.data.parentType)) {
+        return this.container;
+      }
+
+      var selector = '[data-annotation-id="' + this.data.parentId + '"]';
+      var parentElement = this.layer.querySelector(selector);
+
+      if (!parentElement) {
+        return this.container;
+      }
+
+      var popup = new PopupElement({
+        container: this.container,
+        trigger: parentElement,
+        color: this.data.color,
+        title: this.data.title,
+        modificationDate: this.data.modificationDate,
+        contents: this.data.contents
+      });
+      var parentLeft = parseFloat(parentElement.style.left);
+      var parentWidth = parseFloat(parentElement.style.width);
+      this.container.style.transformOrigin = -(parentLeft + parentWidth) + 'px -' + parentElement.style.top;
+      this.container.style.left = parentLeft + parentWidth + 'px';
+      this.container.appendChild(popup.render());
+      return this.container;
+    }
+  }]);
+
+  return PopupAnnotationElement;
+}(AnnotationElement);
+
+var PopupElement =
+/*#__PURE__*/
+function () {
+  function PopupElement(parameters) {
+    _classCallCheck(this, PopupElement);
+
+    this.container = parameters.container;
+    this.trigger = parameters.trigger;
+    this.color = parameters.color;
+    this.title = parameters.title;
+    this.modificationDate = parameters.modificationDate;
+    this.contents = parameters.contents;
+    this.hideWrapper = parameters.hideWrapper || false;
+    this.pinned = false;
+  }
+
+  _createClass(PopupElement, [{
+    key: "render",
+    value: function render() {
+      var BACKGROUND_ENLIGHT = 0.7;
+      var wrapper = document.createElement('div');
+      wrapper.className = 'popupWrapper';
+      this.hideElement = this.hideWrapper ? wrapper : this.container;
+      this.hideElement.setAttribute('hidden', true);
+      var popup = document.createElement('div');
+      popup.className = 'popup';
+      var color = this.color;
+
+      if (color) {
+        var r = BACKGROUND_ENLIGHT * (255 - color[0]) + color[0];
+        var g = BACKGROUND_ENLIGHT * (255 - color[1]) + color[1];
+        var b = BACKGROUND_ENLIGHT * (255 - color[2]) + color[2];
+        popup.style.backgroundColor = _util.Util.makeCssRgb(r | 0, g | 0, b | 0);
+      }
+
+      var title = document.createElement('h1');
+      title.textContent = this.title;
+      popup.appendChild(title);
+
+      var dateObject = _display_utils.PDFDateString.toDateObject(this.modificationDate);
+
+      if (dateObject) {
+        var modificationDate = document.createElement('span');
+        modificationDate.textContent = '{{date}}, {{time}}';
+        modificationDate.dataset.l10nId = 'annotation_date_string';
+        modificationDate.dataset.l10nArgs = JSON.stringify({
+          date: dateObject.toLocaleDateString(),
+          time: dateObject.toLocaleTimeString()
+        });
+        popup.appendChild(modificationDate);
+      }
+
+      var contents = this._formatContents(this.contents);
+
+      popup.appendChild(contents);
+      this.trigger.addEventListener('click', this._toggle.bind(this));
+      this.trigger.addEventListener('mouseover', this._show.bind(this, false));
+      this.trigger.addEventListener('mouseout', this._hide.bind(this, false));
+      popup.addEventListener('click', this._hide.bind(this, true));
+      wrapper.appendChild(popup);
+      return wrapper;
+    }
+  }, {
+    key: "_formatContents",
+    value: function _formatContents(contents) {
+      var p = document.createElement('p');
+      var lines = contents.split(/(?:\r\n?|\n)/);
+
+      for (var i = 0, ii = lines.length; i < ii; ++i) {
+        var line = lines[i];
+        p.appendChild(document.createTextNode(line));
+
+        if (i < ii - 1) {
+          p.appendChild(document.createElement('br'));
+        }
+      }
+
+      return p;
+    }
+  }, {
+    key: "_toggle",
+    value: function _toggle() {
+      if (this.pinned) {
+        this._hide(true);
+      } else {
+        this._show(true);
+      }
+    }
+  }, {
+    key: "_show",
+    value: function _show() {
+      var pin = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : false;
+
+      if (pin) {
+        this.pinned = true;
+      }
+
+      if (this.hideElement.hasAttribute('hidden')) {
+        this.hideElement.removeAttribute('hidden');
+        this.container.style.zIndex += 1;
+      }
+    }
+  }, {
+    key: "_hide",
+    value: function _hide() {
+      var unpin = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : true;
+
+      if (unpin) {
+        this.pinned = false;
+      }
+
+      if (!this.hideElement.hasAttribute('hidden') && !this.pinned) {
+        this.hideElement.setAttribute('hidden', true);
+        this.container.style.zIndex -= 1;
+      }
+    }
+  }]);
+
+  return PopupElement;
+}();
+
+var FreeTextAnnotationElement =
+/*#__PURE__*/
+function (_AnnotationElement5) {
+  _inherits(FreeTextAnnotationElement, _AnnotationElement5);
+
+  function FreeTextAnnotationElement(parameters) {
+    _classCallCheck(this, FreeTextAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _possibleConstructorReturn(this, _getPrototypeOf(FreeTextAnnotationElement).call(this, parameters, isRenderable, true));
+  }
+
+  _createClass(FreeTextAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = 'freeTextAnnotation';
+
+      if (!this.data.hasPopup) {
+        this._createPopup(this.container, null, this.data);
+      }
+
+      return this.container;
+    }
+  }]);
+
+  return FreeTextAnnotationElement;
+}(AnnotationElement);
+
+var LineAnnotationElement =
+/*#__PURE__*/
+function (_AnnotationElement6) {
+  _inherits(LineAnnotationElement, _AnnotationElement6);
+
+  function LineAnnotationElement(parameters) {
+    _classCallCheck(this, LineAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _possibleConstructorReturn(this, _getPrototypeOf(LineAnnotationElement).call(this, parameters, isRenderable, true));
+  }
+
+  _createClass(LineAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = 'lineAnnotation';
+      var data = this.data;
+      var width = data.rect[2] - data.rect[0];
+      var height = data.rect[3] - data.rect[1];
+      var svg = this.svgFactory.create(width, height);
+      var line = this.svgFactory.createElement('svg:line');
+      line.setAttribute('x1', data.rect[2] - data.lineCoordinates[0]);
+      line.setAttribute('y1', data.rect[3] - data.lineCoordinates[1]);
+      line.setAttribute('x2', data.rect[2] - data.lineCoordinates[2]);
+      line.setAttribute('y2', data.rect[3] - data.lineCoordinates[3]);
+      line.setAttribute('stroke-width', data.borderStyle.width);
+      line.setAttribute('stroke', 'transparent');
+      svg.appendChild(line);
+      this.container.append(svg);
+
+      this._createPopup(this.container, line, data);
+
+      return this.container;
+    }
+  }]);
+
+  return LineAnnotationElement;
+}(AnnotationElement);
+
+var SquareAnnotationElement =
+/*#__PURE__*/
+function (_AnnotationElement7) {
+  _inherits(SquareAnnotationElement, _AnnotationElement7);
+
+  function SquareAnnotationElement(parameters) {
+    _classCallCheck(this, SquareAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _possibleConstructorReturn(this, _getPrototypeOf(SquareAnnotationElement).call(this, parameters, isRenderable, true));
+  }
+
+  _createClass(SquareAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = 'squareAnnotation';
+      var data = this.data;
+      var width = data.rect[2] - data.rect[0];
+      var height = data.rect[3] - data.rect[1];
+      var svg = this.svgFactory.create(width, height);
+      var borderWidth = data.borderStyle.width;
+      var square = this.svgFactory.createElement('svg:rect');
+      square.setAttribute('x', borderWidth / 2);
+      square.setAttribute('y', borderWidth / 2);
+      square.setAttribute('width', width - borderWidth);
+      square.setAttribute('height', height - borderWidth);
+      square.setAttribute('stroke-width', borderWidth);
+      square.setAttribute('stroke', 'transparent');
+      square.setAttribute('fill', 'none');
+      svg.appendChild(square);
+      this.container.append(svg);
+
+      this._createPopup(this.container, square, data);
+
+      return this.container;
+    }
+  }]);
+
+  return SquareAnnotationElement;
+}(AnnotationElement);
+
+var CircleAnnotationElement =
+/*#__PURE__*/
+function (_AnnotationElement8) {
+  _inherits(CircleAnnotationElement, _AnnotationElement8);
+
+  function CircleAnnotationElement(parameters) {
+    _classCallCheck(this, CircleAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _possibleConstructorReturn(this, _getPrototypeOf(CircleAnnotationElement).call(this, parameters, isRenderable, true));
+  }
+
+  _createClass(CircleAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = 'circleAnnotation';
+      var data = this.data;
+      var width = data.rect[2] - data.rect[0];
+      var height = data.rect[3] - data.rect[1];
+      var svg = this.svgFactory.create(width, height);
+      var borderWidth = data.borderStyle.width;
+      var circle = this.svgFactory.createElement('svg:ellipse');
+      circle.setAttribute('cx', width / 2);
+      circle.setAttribute('cy', height / 2);
+      circle.setAttribute('rx', width / 2 - borderWidth / 2);
+      circle.setAttribute('ry', height / 2 - borderWidth / 2);
+      circle.setAttribute('stroke-width', borderWidth);
+      circle.setAttribute('stroke', 'transparent');
+      circle.setAttribute('fill', 'none');
+      svg.appendChild(circle);
+      this.container.append(svg);
+
+      this._createPopup(this.container, circle, data);
+
+      return this.container;
+    }
+  }]);
+
+  return CircleAnnotationElement;
+}(AnnotationElement);
+
+var PolylineAnnotationElement =
+/*#__PURE__*/
+function (_AnnotationElement9) {
+  _inherits(PolylineAnnotationElement, _AnnotationElement9);
+
+  function PolylineAnnotationElement(parameters) {
+    var _this3;
+
+    _classCallCheck(this, PolylineAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    _this3 = _possibleConstructorReturn(this, _getPrototypeOf(PolylineAnnotationElement).call(this, parameters, isRenderable, true));
+    _this3.containerClassName = 'polylineAnnotation';
+    _this3.svgElementName = 'svg:polyline';
+    return _this3;
+  }
+
+  _createClass(PolylineAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = this.containerClassName;
+      var data = this.data;
+      var width = data.rect[2] - data.rect[0];
+      var height = data.rect[3] - data.rect[1];
+      var svg = this.svgFactory.create(width, height);
+      var vertices = data.vertices;
+      var points = [];
+
+      for (var i = 0, ii = vertices.length; i < ii; i++) {
+        var x = vertices[i].x - data.rect[0];
+        var y = data.rect[3] - vertices[i].y;
+        points.push(x + ',' + y);
+      }
+
+      points = points.join(' ');
+      var borderWidth = data.borderStyle.width;
+      var polyline = this.svgFactory.createElement(this.svgElementName);
+      polyline.setAttribute('points', points);
+      polyline.setAttribute('stroke-width', borderWidth);
+      polyline.setAttribute('stroke', 'transparent');
+      polyline.setAttribute('fill', 'none');
+      svg.appendChild(polyline);
+      this.container.append(svg);
+
+      this._createPopup(this.container, polyline, data);
+
+      return this.container;
+    }
+  }]);
+
+  return PolylineAnnotationElement;
+}(AnnotationElement);
+
+var PolygonAnnotationElement =
+/*#__PURE__*/
+function (_PolylineAnnotationEl) {
+  _inherits(PolygonAnnotationElement, _PolylineAnnotationEl);
+
+  function PolygonAnnotationElement(parameters) {
+    var _this4;
+
+    _classCallCheck(this, PolygonAnnotationElement);
+
+    _this4 = _possibleConstructorReturn(this, _getPrototypeOf(PolygonAnnotationElement).call(this, parameters));
+    _this4.containerClassName = 'polygonAnnotation';
+    _this4.svgElementName = 'svg:polygon';
+    return _this4;
+  }
+
+  return PolygonAnnotationElement;
+}(PolylineAnnotationElement);
+
+var CaretAnnotationElement =
+/*#__PURE__*/
+function (_AnnotationElement10) {
+  _inherits(CaretAnnotationElement, _AnnotationElement10);
+
+  function CaretAnnotationElement(parameters) {
+    _classCallCheck(this, CaretAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _possibleConstructorReturn(this, _getPrototypeOf(CaretAnnotationElement).call(this, parameters, isRenderable, true));
+  }
+
+  _createClass(CaretAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = 'caretAnnotation';
+
+      if (!this.data.hasPopup) {
+        this._createPopup(this.container, null, this.data);
+      }
+
+      return this.container;
+    }
+  }]);
+
+  return CaretAnnotationElement;
+}(AnnotationElement);
+
+var InkAnnotationElement =
+/*#__PURE__*/
+function (_AnnotationElement11) {
+  _inherits(InkAnnotationElement, _AnnotationElement11);
+
+  function InkAnnotationElement(parameters) {
+    var _this5;
+
+    _classCallCheck(this, InkAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    _this5 = _possibleConstructorReturn(this, _getPrototypeOf(InkAnnotationElement).call(this, parameters, isRenderable, true));
+    _this5.containerClassName = 'inkAnnotation';
+    _this5.svgElementName = 'svg:polyline';
+    return _this5;
+  }
+
+  _createClass(InkAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = this.containerClassName;
+      var data = this.data;
+      var width = data.rect[2] - data.rect[0];
+      var height = data.rect[3] - data.rect[1];
+      var svg = this.svgFactory.create(width, height);
+      var inkLists = data.inkLists;
+
+      for (var i = 0, ii = inkLists.length; i < ii; i++) {
+        var inkList = inkLists[i];
+        var points = [];
+
+        for (var j = 0, jj = inkList.length; j < jj; j++) {
+          var x = inkList[j].x - data.rect[0];
+          var y = data.rect[3] - inkList[j].y;
+          points.push(x + ',' + y);
+        }
+
+        points = points.join(' ');
+        var borderWidth = data.borderStyle.width;
+        var polyline = this.svgFactory.createElement(this.svgElementName);
+        polyline.setAttribute('points', points);
+        polyline.setAttribute('stroke-width', borderWidth);
+        polyline.setAttribute('stroke', 'transparent');
+        polyline.setAttribute('fill', 'none');
+
+        this._createPopup(this.container, polyline, data);
+
+        svg.appendChild(polyline);
+      }
+
+      this.container.append(svg);
+      return this.container;
+    }
+  }]);
+
+  return InkAnnotationElement;
+}(AnnotationElement);
+
+var HighlightAnnotationElement =
+/*#__PURE__*/
+function (_AnnotationElement12) {
+  _inherits(HighlightAnnotationElement, _AnnotationElement12);
+
+  function HighlightAnnotationElement(parameters) {
+    _classCallCheck(this, HighlightAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _possibleConstructorReturn(this, _getPrototypeOf(HighlightAnnotationElement).call(this, parameters, isRenderable, true));
+  }
+
+  _createClass(HighlightAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = 'highlightAnnotation';
+
+      if (!this.data.hasPopup) {
+        this._createPopup(this.container, null, this.data);
+      }
+
+      return this.container;
+    }
+  }]);
+
+  return HighlightAnnotationElement;
+}(AnnotationElement);
+
+var UnderlineAnnotationElement =
+/*#__PURE__*/
+function (_AnnotationElement13) {
+  _inherits(UnderlineAnnotationElement, _AnnotationElement13);
+
+  function UnderlineAnnotationElement(parameters) {
+    _classCallCheck(this, UnderlineAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _possibleConstructorReturn(this, _getPrototypeOf(UnderlineAnnotationElement).call(this, parameters, isRenderable, true));
+  }
+
+  _createClass(UnderlineAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = 'underlineAnnotation';
+
+      if (!this.data.hasPopup) {
+        this._createPopup(this.container, null, this.data);
+      }
+
+      return this.container;
+    }
+  }]);
+
+  return UnderlineAnnotationElement;
+}(AnnotationElement);
+
+var SquigglyAnnotationElement =
+/*#__PURE__*/
+function (_AnnotationElement14) {
+  _inherits(SquigglyAnnotationElement, _AnnotationElement14);
+
+  function SquigglyAnnotationElement(parameters) {
+    _classCallCheck(this, SquigglyAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _possibleConstructorReturn(this, _getPrototypeOf(SquigglyAnnotationElement).call(this, parameters, isRenderable, true));
+  }
+
+  _createClass(SquigglyAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = 'squigglyAnnotation';
+
+      if (!this.data.hasPopup) {
+        this._createPopup(this.container, null, this.data);
+      }
+
+      return this.container;
+    }
+  }]);
+
+  return SquigglyAnnotationElement;
+}(AnnotationElement);
+
+var StrikeOutAnnotationElement =
+/*#__PURE__*/
+function (_AnnotationElement15) {
+  _inherits(StrikeOutAnnotationElement, _AnnotationElement15);
+
+  function StrikeOutAnnotationElement(parameters) {
+    _classCallCheck(this, StrikeOutAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _possibleConstructorReturn(this, _getPrototypeOf(StrikeOutAnnotationElement).call(this, parameters, isRenderable, true));
+  }
+
+  _createClass(StrikeOutAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = 'strikeoutAnnotation';
+
+      if (!this.data.hasPopup) {
+        this._createPopup(this.container, null, this.data);
+      }
+
+      return this.container;
+    }
+  }]);
+
+  return StrikeOutAnnotationElement;
+}(AnnotationElement);
+
+var StampAnnotationElement =
+/*#__PURE__*/
+function (_AnnotationElement16) {
+  _inherits(StampAnnotationElement, _AnnotationElement16);
+
+  function StampAnnotationElement(parameters) {
+    _classCallCheck(this, StampAnnotationElement);
+
+    var isRenderable = !!(parameters.data.hasPopup || parameters.data.title || parameters.data.contents);
+    return _possibleConstructorReturn(this, _getPrototypeOf(StampAnnotationElement).call(this, parameters, isRenderable, true));
+  }
+
+  _createClass(StampAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = 'stampAnnotation';
+
+      if (!this.data.hasPopup) {
+        this._createPopup(this.container, null, this.data);
+      }
+
+      return this.container;
+    }
+  }]);
+
+  return StampAnnotationElement;
+}(AnnotationElement);
+
+var FileAttachmentAnnotationElement =
+/*#__PURE__*/
+function (_AnnotationElement17) {
+  _inherits(FileAttachmentAnnotationElement, _AnnotationElement17);
+
+  function FileAttachmentAnnotationElement(parameters) {
+    var _this6;
+
+    _classCallCheck(this, FileAttachmentAnnotationElement);
+
+    _this6 = _possibleConstructorReturn(this, _getPrototypeOf(FileAttachmentAnnotationElement).call(this, parameters, true));
+    var _this6$data$file = _this6.data.file,
+        filename = _this6$data$file.filename,
+        content = _this6$data$file.content;
+    _this6.filename = (0, _display_utils.getFilenameFromUrl)(filename);
+    _this6.content = content;
+
+    if (_this6.linkService.eventBus) {
+      _this6.linkService.eventBus.dispatch('fileattachmentannotation', {
+        source: _assertThisInitialized(_this6),
+        id: (0, _util.stringToPDFString)(filename),
+        filename: filename,
+        content: content
+      });
+    }
+
+    return _this6;
+  }
+
+  _createClass(FileAttachmentAnnotationElement, [{
+    key: "render",
+    value: function render() {
+      this.container.className = 'fileAttachmentAnnotation';
+      var trigger = document.createElement('div');
+      trigger.style.height = this.container.style.height;
+      trigger.style.width = this.container.style.width;
+      trigger.addEventListener('dblclick', this._download.bind(this));
+
+      if (!this.data.hasPopup && (this.data.title || this.data.contents)) {
+        this._createPopup(this.container, trigger, this.data);
+      }
+
+      this.container.appendChild(trigger);
+      return this.container;
+    }
+  }, {
+    key: "_download",
+    value: function _download() {
+      if (!this.downloadManager) {
+        (0, _util.warn)('Download cannot be started due to unavailable download manager');
+        return;
+      }
+
+      this.downloadManager.downloadData(this.content, this.filename, '');
+    }
+  }]);
+
+  return FileAttachmentAnnotationElement;
+}(AnnotationElement);
+
+var AnnotationLayer =
+/*#__PURE__*/
+function () {
+  function AnnotationLayer() {
+    _classCallCheck(this, AnnotationLayer);
+  }
+
+  _createClass(AnnotationLayer, null, [{
+    key: "render",
+    value: function render(parameters) {
+      for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {
+        var data = parameters.annotations[i];
+
+        if (!data) {
+          continue;
+        }
+
+        var element = AnnotationElementFactory.create({
+          data: data,
+          layer: parameters.div,
+          page: parameters.page,
+          viewport: parameters.viewport,
+          linkService: parameters.linkService,
+          downloadManager: parameters.downloadManager,
+          imageResourcesPath: parameters.imageResourcesPath || '',
+          renderInteractiveForms: parameters.renderInteractiveForms || false,
+          svgFactory: new _display_utils.DOMSVGFactory()
+        });
+
+        if (element.isRenderable) {
+          parameters.div.appendChild(element.render());
+        }
+      }
+    }
+  }, {
+    key: "update",
+    value: function update(parameters) {
+      for (var i = 0, ii = parameters.annotations.length; i < ii; i++) {
+        var data = parameters.annotations[i];
+        var element = parameters.div.querySelector('[data-annotation-id="' + data.id + '"]');
+
+        if (element) {
+          element.style.transform = 'matrix(' + parameters.viewport.transform.join(',') + ')';
+        }
+      }
+
+      parameters.div.removeAttribute('hidden');
+    }
+  }]);
+
+  return AnnotationLayer;
+}();
+
+exports.AnnotationLayer = AnnotationLayer;
+
+/***/ }),
+/* 164 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.SVGGraphics = void 0;
+
+var _util = __w_pdfjs_require__(1);
+
+var _display_utils = __w_pdfjs_require__(151);
+
+var _is_node = _interopRequireDefault(__w_pdfjs_require__(4));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _nonIterableSpread(); }
+
+function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance"); }
+
+function _iterableToArray(iter) { if (Symbol.iterator in Object(iter) || Object.prototype.toString.call(iter) === "[object Arguments]") return Array.from(iter); }
+
+function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = new Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } }
+
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
+
+function _iterableToArrayLimit(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var SVGGraphics = function SVGGraphics() {
+  throw new Error('Not implemented: SVGGraphics');
+};
+
+exports.SVGGraphics = SVGGraphics;
+{
+  var opListToTree = function opListToTree(opList) {
+    var opTree = [];
+    var tmp = [];
+    var _iteratorNormalCompletion = true;
+    var _didIteratorError = false;
+    var _iteratorError = undefined;
+
+    try {
+      for (var _iterator = opList[Symbol.iterator](), _step; !(_iteratorNormalCompletion = (_step = _iterator.next()).done); _iteratorNormalCompletion = true) {
+        var opListElement = _step.value;
+
+        if (opListElement.fn === 'save') {
+          opTree.push({
+            'fnId': 92,
+            'fn': 'group',
+            'items': []
+          });
+          tmp.push(opTree);
+          opTree = opTree[opTree.length - 1].items;
+          continue;
+        }
+
+        if (opListElement.fn === 'restore') {
+          opTree = tmp.pop();
+        } else {
+          opTree.push(opListElement);
+        }
+      }
+    } catch (err) {
+      _didIteratorError = true;
+      _iteratorError = err;
+    } finally {
+      try {
+        if (!_iteratorNormalCompletion && _iterator["return"] != null) {
+          _iterator["return"]();
+        }
+      } finally {
+        if (_didIteratorError) {
+          throw _iteratorError;
+        }
+      }
+    }
+
+    return opTree;
+  };
+
+  var pf = function pf(value) {
+    if (Number.isInteger(value)) {
+      return value.toString();
+    }
+
+    var s = value.toFixed(10);
+    var i = s.length - 1;
+
+    if (s[i] !== '0') {
+      return s;
+    }
+
+    do {
+      i--;
+    } while (s[i] === '0');
+
+    return s.substring(0, s[i] === '.' ? i : i + 1);
+  };
+
+  var pm = function pm(m) {
+    if (m[4] === 0 && m[5] === 0) {
+      if (m[1] === 0 && m[2] === 0) {
+        if (m[0] === 1 && m[3] === 1) {
+          return '';
+        }
+
+        return "scale(".concat(pf(m[0]), " ").concat(pf(m[3]), ")");
+      }
+
+      if (m[0] === m[3] && m[1] === -m[2]) {
+        var a = Math.acos(m[0]) * 180 / Math.PI;
+        return "rotate(".concat(pf(a), ")");
+      }
+    } else {
+      if (m[0] === 1 && m[1] === 0 && m[2] === 0 && m[3] === 1) {
+        return "translate(".concat(pf(m[4]), " ").concat(pf(m[5]), ")");
+      }
+    }
+
+    return "matrix(".concat(pf(m[0]), " ").concat(pf(m[1]), " ").concat(pf(m[2]), " ").concat(pf(m[3]), " ").concat(pf(m[4]), " ") + "".concat(pf(m[5]), ")");
+  };
+
+  var SVG_DEFAULTS = {
+    fontStyle: 'normal',
+    fontWeight: 'normal',
+    fillColor: '#000000'
+  };
+  var XML_NS = 'http://www.w3.org/XML/1998/namespace';
+  var XLINK_NS = 'http://www.w3.org/1999/xlink';
+  var LINE_CAP_STYLES = ['butt', 'round', 'square'];
+  var LINE_JOIN_STYLES = ['miter', 'round', 'bevel'];
+
+  var convertImgDataToPng = function () {
+    var PNG_HEADER = new Uint8Array([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]);
+    var CHUNK_WRAPPER_SIZE = 12;
+    var crcTable = new Int32Array(256);
+
+    for (var i = 0; i < 256; i++) {
+      var c = i;
+
+      for (var h = 0; h < 8; h++) {
+        if (c & 1) {
+          c = 0xedB88320 ^ c >> 1 & 0x7fffffff;
+        } else {
+          c = c >> 1 & 0x7fffffff;
+        }
+      }
+
+      crcTable[i] = c;
+    }
+
+    function crc32(data, start, end) {
+      var crc = -1;
+
+      for (var _i = start; _i < end; _i++) {
+        var a = (crc ^ data[_i]) & 0xff;
+        var b = crcTable[a];
+        crc = crc >>> 8 ^ b;
+      }
+
+      return crc ^ -1;
+    }
+
+    function writePngChunk(type, body, data, offset) {
+      var p = offset;
+      var len = body.length;
+      data[p] = len >> 24 & 0xff;
+      data[p + 1] = len >> 16 & 0xff;
+      data[p + 2] = len >> 8 & 0xff;
+      data[p + 3] = len & 0xff;
+      p += 4;
+      data[p] = type.charCodeAt(0) & 0xff;
+      data[p + 1] = type.charCodeAt(1) & 0xff;
+      data[p + 2] = type.charCodeAt(2) & 0xff;
+      data[p + 3] = type.charCodeAt(3) & 0xff;
+      p += 4;
+      data.set(body, p);
+      p += body.length;
+      var crc = crc32(data, offset + 4, p);
+      data[p] = crc >> 24 & 0xff;
+      data[p + 1] = crc >> 16 & 0xff;
+      data[p + 2] = crc >> 8 & 0xff;
+      data[p + 3] = crc & 0xff;
+    }
+
+    function adler32(data, start, end) {
+      var a = 1;
+      var b = 0;
+
+      for (var _i2 = start; _i2 < end; ++_i2) {
+        a = (a + (data[_i2] & 0xff)) % 65521;
+        b = (b + a) % 65521;
+      }
+
+      return b << 16 | a;
+    }
+
+    function deflateSync(literals) {
+      if (!(0, _is_node["default"])()) {
+        return deflateSyncUncompressed(literals);
+      }
+
+      try {
+        var input;
+
+        if (parseInt(process.versions.node) >= 8) {
+          input = literals;
+        } else {
+          input = new Buffer(literals);
+        }
+
+        var output = require('zlib').deflateSync(input, {
+          level: 9
+        });
+
+        return output instanceof Uint8Array ? output : new Uint8Array(output);
+      } catch (e) {
+        (0, _util.warn)('Not compressing PNG because zlib.deflateSync is unavailable: ' + e);
+      }
+
+      return deflateSyncUncompressed(literals);
+    }
+
+    function deflateSyncUncompressed(literals) {
+      var len = literals.length;
+      var maxBlockLength = 0xFFFF;
+      var deflateBlocks = Math.ceil(len / maxBlockLength);
+      var idat = new Uint8Array(2 + len + deflateBlocks * 5 + 4);
+      var pi = 0;
+      idat[pi++] = 0x78;
+      idat[pi++] = 0x9c;
+      var pos = 0;
+
+      while (len > maxBlockLength) {
+        idat[pi++] = 0x00;
+        idat[pi++] = 0xff;
+        idat[pi++] = 0xff;
+        idat[pi++] = 0x00;
+        idat[pi++] = 0x00;
+        idat.set(literals.subarray(pos, pos + maxBlockLength), pi);
+        pi += maxBlockLength;
+        pos += maxBlockLength;
+        len -= maxBlockLength;
+      }
+
+      idat[pi++] = 0x01;
+      idat[pi++] = len & 0xff;
+      idat[pi++] = len >> 8 & 0xff;
+      idat[pi++] = ~len & 0xffff & 0xff;
+      idat[pi++] = (~len & 0xffff) >> 8 & 0xff;
+      idat.set(literals.subarray(pos), pi);
+      pi += literals.length - pos;
+      var adler = adler32(literals, 0, literals.length);
+      idat[pi++] = adler >> 24 & 0xff;
+      idat[pi++] = adler >> 16 & 0xff;
+      idat[pi++] = adler >> 8 & 0xff;
+      idat[pi++] = adler & 0xff;
+      return idat;
+    }
+
+    function encode(imgData, kind, forceDataSchema, isMask) {
+      var width = imgData.width;
+      var height = imgData.height;
+      var bitDepth, colorType, lineSize;
+      var bytes = imgData.data;
+
+      switch (kind) {
+        case _util.ImageKind.GRAYSCALE_1BPP:
+          colorType = 0;
+          bitDepth = 1;
+          lineSize = width + 7 >> 3;
+          break;
+
+        case _util.ImageKind.RGB_24BPP:
+          colorType = 2;
+          bitDepth = 8;
+          lineSize = width * 3;
+          break;
+
+        case _util.ImageKind.RGBA_32BPP:
+          colorType = 6;
+          bitDepth = 8;
+          lineSize = width * 4;
+          break;
+
+        default:
+          throw new Error('invalid format');
+      }
+
+      var literals = new Uint8Array((1 + lineSize) * height);
+      var offsetLiterals = 0,
+          offsetBytes = 0;
+
+      for (var y = 0; y < height; ++y) {
+        literals[offsetLiterals++] = 0;
+        literals.set(bytes.subarray(offsetBytes, offsetBytes + lineSize), offsetLiterals);
+        offsetBytes += lineSize;
+        offsetLiterals += lineSize;
+      }
+
+      if (kind === _util.ImageKind.GRAYSCALE_1BPP && isMask) {
+        offsetLiterals = 0;
+
+        for (var _y = 0; _y < height; _y++) {
+          offsetLiterals++;
+
+          for (var _i3 = 0; _i3 < lineSize; _i3++) {
+            literals[offsetLiterals++] ^= 0xFF;
+          }
+        }
+      }
+
+      var ihdr = new Uint8Array([width >> 24 & 0xff, width >> 16 & 0xff, width >> 8 & 0xff, width & 0xff, height >> 24 & 0xff, height >> 16 & 0xff, height >> 8 & 0xff, height & 0xff, bitDepth, colorType, 0x00, 0x00, 0x00]);
+      var idat = deflateSync(literals);
+      var pngLength = PNG_HEADER.length + CHUNK_WRAPPER_SIZE * 3 + ihdr.length + idat.length;
+      var data = new Uint8Array(pngLength);
+      var offset = 0;
+      data.set(PNG_HEADER, offset);
+      offset += PNG_HEADER.length;
+      writePngChunk('IHDR', ihdr, data, offset);
+      offset += CHUNK_WRAPPER_SIZE + ihdr.length;
+      writePngChunk('IDATA', idat, data, offset);
+      offset += CHUNK_WRAPPER_SIZE + idat.length;
+      writePngChunk('IEND', new Uint8Array(0), data, offset);
+      return (0, _util.createObjectURL)(data, 'image/png', forceDataSchema);
+    }
+
+    return function convertImgDataToPng(imgData, forceDataSchema, isMask) {
+      var kind = imgData.kind === undefined ? _util.ImageKind.GRAYSCALE_1BPP : imgData.kind;
+      return encode(imgData, kind, forceDataSchema, isMask);
+    };
+  }();
+
+  var SVGExtraState =
+  /*#__PURE__*/
+  function () {
+    function SVGExtraState() {
+      _classCallCheck(this, SVGExtraState);
+
+      this.fontSizeScale = 1;
+      this.fontWeight = SVG_DEFAULTS.fontWeight;
+      this.fontSize = 0;
+      this.textMatrix = _util.IDENTITY_MATRIX;
+      this.fontMatrix = _util.FONT_IDENTITY_MATRIX;
+      this.leading = 0;
+      this.textRenderingMode = _util.TextRenderingMode.FILL;
+      this.textMatrixScale = 1;
+      this.x = 0;
+      this.y = 0;
+      this.lineX = 0;
+      this.lineY = 0;
+      this.charSpacing = 0;
+      this.wordSpacing = 0;
+      this.textHScale = 1;
+      this.textRise = 0;
+      this.fillColor = SVG_DEFAULTS.fillColor;
+      this.strokeColor = '#000000';
+      this.fillAlpha = 1;
+      this.strokeAlpha = 1;
+      this.lineWidth = 1;
+      this.lineJoin = '';
+      this.lineCap = '';
+      this.miterLimit = 0;
+      this.dashArray = [];
+      this.dashPhase = 0;
+      this.dependencies = [];
+      this.activeClipUrl = null;
+      this.clipGroup = null;
+      this.maskId = '';
+    }
+
+    _createClass(SVGExtraState, [{
+      key: "clone",
+      value: function clone() {
+        return Object.create(this);
+      }
+    }, {
+      key: "setCurrentPoint",
+      value: function setCurrentPoint(x, y) {
+        this.x = x;
+        this.y = y;
+      }
+    }]);
+
+    return SVGExtraState;
+  }();
+
+  var clipCount = 0;
+  var maskCount = 0;
+  var shadingCount = 0;
+
+  exports.SVGGraphics = SVGGraphics =
+  /*#__PURE__*/
+  function () {
+    function SVGGraphics(commonObjs, objs, forceDataSchema) {
+      _classCallCheck(this, SVGGraphics);
+
+      this.svgFactory = new _display_utils.DOMSVGFactory();
+      this.current = new SVGExtraState();
+      this.transformMatrix = _util.IDENTITY_MATRIX;
+      this.transformStack = [];
+      this.extraStack = [];
+      this.commonObjs = commonObjs;
+      this.objs = objs;
+      this.pendingClip = null;
+      this.pendingEOFill = false;
+      this.embedFonts = false;
+      this.embeddedFonts = Object.create(null);
+      this.cssStyle = null;
+      this.forceDataSchema = !!forceDataSchema;
+      this._operatorIdMapping = [];
+
+      for (var op in _util.OPS) {
+        this._operatorIdMapping[_util.OPS[op]] = op;
+      }
+    }
+
+    _createClass(SVGGraphics, [{
+      key: "save",
+      value: function save() {
+        this.transformStack.push(this.transformMatrix);
+        var old = this.current;
+        this.extraStack.push(old);
+        this.current = old.clone();
+      }
+    }, {
+      key: "restore",
+      value: function restore() {
+        this.transformMatrix = this.transformStack.pop();
+        this.current = this.extraStack.pop();
+        this.pendingClip = null;
+        this.tgrp = null;
+      }
+    }, {
+      key: "group",
+      value: function group(items) {
+        this.save();
+        this.executeOpTree(items);
+        this.restore();
+      }
+    }, {
+      key: "loadDependencies",
+      value: function loadDependencies(operatorList) {
+        var _this = this;
+
+        var fnArray = operatorList.fnArray;
+        var argsArray = operatorList.argsArray;
+
+        for (var i = 0, ii = fnArray.length; i < ii; i++) {
+          if (fnArray[i] !== _util.OPS.dependency) {
+            continue;
+          }
+
+          var _iteratorNormalCompletion2 = true;
+          var _didIteratorError2 = false;
+          var _iteratorError2 = undefined;
+
+          try {
+            var _loop = function _loop() {
+              var obj = _step2.value;
+              var objsPool = obj.startsWith('g_') ? _this.commonObjs : _this.objs;
+              var promise = new Promise(function (resolve) {
+                objsPool.get(obj, resolve);
+              });
+
+              _this.current.dependencies.push(promise);
+            };
+
+            for (var _iterator2 = argsArray[i][Symbol.iterator](), _step2; !(_iteratorNormalCompletion2 = (_step2 = _iterator2.next()).done); _iteratorNormalCompletion2 = true) {
+              _loop();
+            }
+          } catch (err) {
+            _didIteratorError2 = true;
+            _iteratorError2 = err;
+          } finally {
+            try {
+              if (!_iteratorNormalCompletion2 && _iterator2["return"] != null) {
+                _iterator2["return"]();
+              }
+            } finally {
+              if (_didIteratorError2) {
+                throw _iteratorError2;
+              }
+            }
+          }
+        }
+
+        return Promise.all(this.current.dependencies);
+      }
+    }, {
+      key: "transform",
+      value: function transform(a, b, c, d, e, f) {
+        var transformMatrix = [a, b, c, d, e, f];
+        this.transformMatrix = _util.Util.transform(this.transformMatrix, transformMatrix);
+        this.tgrp = null;
+      }
+    }, {
+      key: "getSVG",
+      value: function getSVG(operatorList, viewport) {
+        var _this2 = this;
+
+        this.viewport = viewport;
+
+        var svgElement = this._initialize(viewport);
+
+        return this.loadDependencies(operatorList).then(function () {
+          _this2.transformMatrix = _util.IDENTITY_MATRIX;
+
+          _this2.executeOpTree(_this2.convertOpList(operatorList));
+
+          return svgElement;
+        });
+      }
+    }, {
+      key: "convertOpList",
+      value: function convertOpList(operatorList) {
+        var operatorIdMapping = this._operatorIdMapping;
+        var argsArray = operatorList.argsArray;
+        var fnArray = operatorList.fnArray;
+        var opList = [];
+
+        for (var i = 0, ii = fnArray.length; i < ii; i++) {
+          var fnId = fnArray[i];
+          opList.push({
+            'fnId': fnId,
+            'fn': operatorIdMapping[fnId],
+            'args': argsArray[i]
+          });
+        }
+
+        return opListToTree(opList);
+      }
+    }, {
+      key: "executeOpTree",
+      value: function executeOpTree(opTree) {
+        var _iteratorNormalCompletion3 = true;
+        var _didIteratorError3 = false;
+        var _iteratorError3 = undefined;
+
+        try {
+          for (var _iterator3 = opTree[Symbol.iterator](), _step3; !(_iteratorNormalCompletion3 = (_step3 = _iterator3.next()).done); _iteratorNormalCompletion3 = true) {
+            var opTreeElement = _step3.value;
+            var fn = opTreeElement.fn;
+            var fnId = opTreeElement.fnId;
+            var args = opTreeElement.args;
+
+            switch (fnId | 0) {
+              case _util.OPS.beginText:
+                this.beginText();
+                break;
+
+              case _util.OPS.dependency:
+                break;
+
+              case _util.OPS.setLeading:
+                this.setLeading(args);
+                break;
+
+              case _util.OPS.setLeadingMoveText:
+                this.setLeadingMoveText(args[0], args[1]);
+                break;
+
+              case _util.OPS.setFont:
+                this.setFont(args);
+                break;
+
+              case _util.OPS.showText:
+                this.showText(args[0]);
+                break;
+
+              case _util.OPS.showSpacedText:
+                this.showText(args[0]);
+                break;
+
+              case _util.OPS.endText:
+                this.endText();
+                break;
+
+              case _util.OPS.moveText:
+                this.moveText(args[0], args[1]);
+                break;
+
+              case _util.OPS.setCharSpacing:
+                this.setCharSpacing(args[0]);
+                break;
+
+              case _util.OPS.setWordSpacing:
+                this.setWordSpacing(args[0]);
+                break;
+
+              case _util.OPS.setHScale:
+                this.setHScale(args[0]);
+                break;
+
+              case _util.OPS.setTextMatrix:
+                this.setTextMatrix(args[0], args[1], args[2], args[3], args[4], args[5]);
+                break;
+
+              case _util.OPS.setTextRise:
+                this.setTextRise(args[0]);
+                break;
+
+              case _util.OPS.setTextRenderingMode:
+                this.setTextRenderingMode(args[0]);
+                break;
+
+              case _util.OPS.setLineWidth:
+                this.setLineWidth(args[0]);
+                break;
+
+              case _util.OPS.setLineJoin:
+                this.setLineJoin(args[0]);
+                break;
+
+              case _util.OPS.setLineCap:
+                this.setLineCap(args[0]);
+                break;
+
+              case _util.OPS.setMiterLimit:
+                this.setMiterLimit(args[0]);
+                break;
+
+              case _util.OPS.setFillRGBColor:
+                this.setFillRGBColor(args[0], args[1], args[2]);
+                break;
+
+              case _util.OPS.setStrokeRGBColor:
+                this.setStrokeRGBColor(args[0], args[1], args[2]);
+                break;
+
+              case _util.OPS.setStrokeColorN:
+                this.setStrokeColorN(args);
+                break;
+
+              case _util.OPS.setFillColorN:
+                this.setFillColorN(args);
+                break;
+
+              case _util.OPS.shadingFill:
+                this.shadingFill(args[0]);
+                break;
+
+              case _util.OPS.setDash:
+                this.setDash(args[0], args[1]);
+                break;
+
+              case _util.OPS.setRenderingIntent:
+                this.setRenderingIntent(args[0]);
+                break;
+
+              case _util.OPS.setFlatness:
+                this.setFlatness(args[0]);
+                break;
+
+              case _util.OPS.setGState:
+                this.setGState(args[0]);
+                break;
+
+              case _util.OPS.fill:
+                this.fill();
+                break;
+
+              case _util.OPS.eoFill:
+                this.eoFill();
+                break;
+
+              case _util.OPS.stroke:
+                this.stroke();
+                break;
+
+              case _util.OPS.fillStroke:
+                this.fillStroke();
+                break;
+
+              case _util.OPS.eoFillStroke:
+                this.eoFillStroke();
+                break;
+
+              case _util.OPS.clip:
+                this.clip('nonzero');
+                break;
+
+              case _util.OPS.eoClip:
+                this.clip('evenodd');
+                break;
+
+              case _util.OPS.paintSolidColorImageMask:
+                this.paintSolidColorImageMask();
+                break;
+
+              case _util.OPS.paintJpegXObject:
+                this.paintJpegXObject(args[0], args[1], args[2]);
+                break;
+
+              case _util.OPS.paintImageXObject:
+                this.paintImageXObject(args[0]);
+                break;
+
+              case _util.OPS.paintInlineImageXObject:
+                this.paintInlineImageXObject(args[0]);
+                break;
+
+              case _util.OPS.paintImageMaskXObject:
+                this.paintImageMaskXObject(args[0]);
+                break;
+
+              case _util.OPS.paintFormXObjectBegin:
+                this.paintFormXObjectBegin(args[0], args[1]);
+                break;
+
+              case _util.OPS.paintFormXObjectEnd:
+                this.paintFormXObjectEnd();
+                break;
+
+              case _util.OPS.closePath:
+                this.closePath();
+                break;
+
+              case _util.OPS.closeStroke:
+                this.closeStroke();
+                break;
+
+              case _util.OPS.closeFillStroke:
+                this.closeFillStroke();
+                break;
+
+              case _util.OPS.closeEOFillStroke:
+                this.closeEOFillStroke();
+                break;
+
+              case _util.OPS.nextLine:
+                this.nextLine();
+                break;
+
+              case _util.OPS.transform:
+                this.transform(args[0], args[1], args[2], args[3], args[4], args[5]);
+                break;
+
+              case _util.OPS.constructPath:
+                this.constructPath(args[0], args[1]);
+                break;
+
+              case _util.OPS.endPath:
+                this.endPath();
+                break;
+
+              case 92:
+                this.group(opTreeElement.items);
+                break;
+
+              default:
+                (0, _util.warn)("Unimplemented operator ".concat(fn));
+                break;
+            }
+          }
+        } catch (err) {
+          _didIteratorError3 = true;
+          _iteratorError3 = err;
+        } finally {
+          try {
+            if (!_iteratorNormalCompletion3 && _iterator3["return"] != null) {
+              _iterator3["return"]();
+            }
+          } finally {
+            if (_didIteratorError3) {
+              throw _iteratorError3;
+            }
+          }
+        }
+      }
+    }, {
+      key: "setWordSpacing",
+      value: function setWordSpacing(wordSpacing) {
+        this.current.wordSpacing = wordSpacing;
+      }
+    }, {
+      key: "setCharSpacing",
+      value: function setCharSpacing(charSpacing) {
+        this.current.charSpacing = charSpacing;
+      }
+    }, {
+      key: "nextLine",
+      value: function nextLine() {
+        this.moveText(0, this.current.leading);
+      }
+    }, {
+      key: "setTextMatrix",
+      value: function setTextMatrix(a, b, c, d, e, f) {
+        var current = this.current;
+        current.textMatrix = current.lineMatrix = [a, b, c, d, e, f];
+        current.textMatrixScale = Math.sqrt(a * a + b * b);
+        current.x = current.lineX = 0;
+        current.y = current.lineY = 0;
+        current.xcoords = [];
+        current.tspan = this.svgFactory.createElement('svg:tspan');
+        current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
+        current.tspan.setAttributeNS(null, 'font-size', "".concat(pf(current.fontSize), "px"));
+        current.tspan.setAttributeNS(null, 'y', pf(-current.y));
+        current.txtElement = this.svgFactory.createElement('svg:text');
+        current.txtElement.appendChild(current.tspan);
+      }
+    }, {
+      key: "beginText",
+      value: function beginText() {
+        var current = this.current;
+        current.x = current.lineX = 0;
+        current.y = current.lineY = 0;
+        current.textMatrix = _util.IDENTITY_MATRIX;
+        current.lineMatrix = _util.IDENTITY_MATRIX;
+        current.textMatrixScale = 1;
+        current.tspan = this.svgFactory.createElement('svg:tspan');
+        current.txtElement = this.svgFactory.createElement('svg:text');
+        current.txtgrp = this.svgFactory.createElement('svg:g');
+        current.xcoords = [];
+      }
+    }, {
+      key: "moveText",
+      value: function moveText(x, y) {
+        var current = this.current;
+        current.x = current.lineX += x;
+        current.y = current.lineY += y;
+        current.xcoords = [];
+        current.tspan = this.svgFactory.createElement('svg:tspan');
+        current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
+        current.tspan.setAttributeNS(null, 'font-size', "".concat(pf(current.fontSize), "px"));
+        current.tspan.setAttributeNS(null, 'y', pf(-current.y));
+      }
+    }, {
+      key: "showText",
+      value: function showText(glyphs) {
+        var current = this.current;
+        var font = current.font;
+        var fontSize = current.fontSize;
+
+        if (fontSize === 0) {
+          return;
+        }
+
+        var charSpacing = current.charSpacing;
+        var wordSpacing = current.wordSpacing;
+        var fontDirection = current.fontDirection;
+        var textHScale = current.textHScale * fontDirection;
+        var vertical = font.vertical;
+        var widthAdvanceScale = fontSize * current.fontMatrix[0];
+        var x = 0;
+        var _iteratorNormalCompletion4 = true;
+        var _didIteratorError4 = false;
+        var _iteratorError4 = undefined;
+
+        try {
+          for (var _iterator4 = glyphs[Symbol.iterator](), _step4; !(_iteratorNormalCompletion4 = (_step4 = _iterator4.next()).done); _iteratorNormalCompletion4 = true) {
+            var glyph = _step4.value;
+
+            if (glyph === null) {
+              x += fontDirection * wordSpacing;
+              continue;
+            } else if ((0, _util.isNum)(glyph)) {
+              x += -glyph * fontSize * 0.001;
+              continue;
+            }
+
+            var width = glyph.width;
+            var character = glyph.fontChar;
+            var spacing = (glyph.isSpace ? wordSpacing : 0) + charSpacing;
+            var charWidth = width * widthAdvanceScale + spacing * fontDirection;
+
+            if (!glyph.isInFont && !font.missingFile) {
+              x += charWidth;
+              continue;
+            }
+
+            current.xcoords.push(current.x + x * textHScale);
+            current.tspan.textContent += character;
+            x += charWidth;
+          }
+        } catch (err) {
+          _didIteratorError4 = true;
+          _iteratorError4 = err;
+        } finally {
+          try {
+            if (!_iteratorNormalCompletion4 && _iterator4["return"] != null) {
+              _iterator4["return"]();
+            }
+          } finally {
+            if (_didIteratorError4) {
+              throw _iteratorError4;
+            }
+          }
+        }
+
+        if (vertical) {
+          current.y -= x * textHScale;
+        } else {
+          current.x += x * textHScale;
+        }
+
+        current.tspan.setAttributeNS(null, 'x', current.xcoords.map(pf).join(' '));
+        current.tspan.setAttributeNS(null, 'y', pf(-current.y));
+        current.tspan.setAttributeNS(null, 'font-family', current.fontFamily);
+        current.tspan.setAttributeNS(null, 'font-size', "".concat(pf(current.fontSize), "px"));
+
+        if (current.fontStyle !== SVG_DEFAULTS.fontStyle) {
+          current.tspan.setAttributeNS(null, 'font-style', current.fontStyle);
+        }
+
+        if (current.fontWeight !== SVG_DEFAULTS.fontWeight) {
+          current.tspan.setAttributeNS(null, 'font-weight', current.fontWeight);
+        }
+
+        var fillStrokeMode = current.textRenderingMode & _util.TextRenderingMode.FILL_STROKE_MASK;
+
+        if (fillStrokeMode === _util.TextRenderingMode.FILL || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          if (current.fillColor !== SVG_DEFAULTS.fillColor) {
+            current.tspan.setAttributeNS(null, 'fill', current.fillColor);
+          }
+
+          if (current.fillAlpha < 1) {
+            current.tspan.setAttributeNS(null, 'fill-opacity', current.fillAlpha);
+          }
+        } else if (current.textRenderingMode === _util.TextRenderingMode.ADD_TO_PATH) {
+          current.tspan.setAttributeNS(null, 'fill', 'transparent');
+        } else {
+          current.tspan.setAttributeNS(null, 'fill', 'none');
+        }
+
+        if (fillStrokeMode === _util.TextRenderingMode.STROKE || fillStrokeMode === _util.TextRenderingMode.FILL_STROKE) {
+          var lineWidthScale = 1 / (current.textMatrixScale || 1);
+
+          this._setStrokeAttributes(current.tspan, lineWidthScale);
+        }
+
+        var textMatrix = current.textMatrix;
+
+        if (current.textRise !== 0) {
+          textMatrix = textMatrix.slice();
+          textMatrix[5] += current.textRise;
+        }
+
+        current.txtElement.setAttributeNS(null, 'transform', "".concat(pm(textMatrix), " scale(1, -1)"));
+        current.txtElement.setAttributeNS(XML_NS, 'xml:space', 'preserve');
+        current.txtElement.appendChild(current.tspan);
+        current.txtgrp.appendChild(current.txtElement);
+
+        this._ensureTransformGroup().appendChild(current.txtElement);
+      }
+    }, {
+      key: "setLeadingMoveText",
+      value: function setLeadingMoveText(x, y) {
+        this.setLeading(-y);
+        this.moveText(x, y);
+      }
+    }, {
+      key: "addFontStyle",
+      value: function addFontStyle(fontObj) {
+        if (!this.cssStyle) {
+          this.cssStyle = this.svgFactory.createElement('svg:style');
+          this.cssStyle.setAttributeNS(null, 'type', 'text/css');
+          this.defs.appendChild(this.cssStyle);
+        }
+
+        var url = (0, _util.createObjectURL)(fontObj.data, fontObj.mimetype, this.forceDataSchema);
+        this.cssStyle.textContent += "@font-face { font-family: \"".concat(fontObj.loadedName, "\";") + " src: url(".concat(url, "); }\n");
+      }
+    }, {
+      key: "setFont",
+      value: function setFont(details) {
+        var current = this.current;
+        var fontObj = this.commonObjs.get(details[0]);
+        var size = details[1];
+        current.font = fontObj;
+
+        if (this.embedFonts && fontObj.data && !this.embeddedFonts[fontObj.loadedName]) {
+          this.addFontStyle(fontObj);
+          this.embeddedFonts[fontObj.loadedName] = fontObj;
+        }
+
+        current.fontMatrix = fontObj.fontMatrix ? fontObj.fontMatrix : _util.FONT_IDENTITY_MATRIX;
+        var bold = fontObj.black ? fontObj.bold ? 'bolder' : 'bold' : fontObj.bold ? 'bold' : 'normal';
+        var italic = fontObj.italic ? 'italic' : 'normal';
+
+        if (size < 0) {
+          size = -size;
+          current.fontDirection = -1;
+        } else {
+          current.fontDirection = 1;
+        }
+
+        current.fontSize = size;
+        current.fontFamily = fontObj.loadedName;
+        current.fontWeight = bold;
+        current.fontStyle = italic;
+        current.tspan = this.svgFactory.createElement('svg:tspan');
+        current.tspan.setAttributeNS(null, 'y', pf(-current.y));
+        current.xcoords = [];
+      }
+    }, {
+      key: "endText",
+      value: function endText() {
+        var current = this.current;
+
+        if (current.textRenderingMode & _util.TextRenderingMode.ADD_TO_PATH_FLAG && current.txtElement && current.txtElement.hasChildNodes()) {
+          current.element = current.txtElement;
+          this.clip('nonzero');
+          this.endPath();
+        }
+      }
+    }, {
+      key: "setLineWidth",
+      value: function setLineWidth(width) {
+        if (width > 0) {
+          this.current.lineWidth = width;
+        }
+      }
+    }, {
+      key: "setLineCap",
+      value: function setLineCap(style) {
+        this.current.lineCap = LINE_CAP_STYLES[style];
+      }
+    }, {
+      key: "setLineJoin",
+      value: function setLineJoin(style) {
+        this.current.lineJoin = LINE_JOIN_STYLES[style];
+      }
+    }, {
+      key: "setMiterLimit",
+      value: function setMiterLimit(limit) {
+        this.current.miterLimit = limit;
+      }
+    }, {
+      key: "setStrokeAlpha",
+      value: function setStrokeAlpha(strokeAlpha) {
+        this.current.strokeAlpha = strokeAlpha;
+      }
+    }, {
+      key: "setStrokeRGBColor",
+      value: function setStrokeRGBColor(r, g, b) {
+        this.current.strokeColor = _util.Util.makeCssRgb(r, g, b);
+      }
+    }, {
+      key: "setFillAlpha",
+      value: function setFillAlpha(fillAlpha) {
+        this.current.fillAlpha = fillAlpha;
+      }
+    }, {
+      key: "setFillRGBColor",
+      value: function setFillRGBColor(r, g, b) {
+        this.current.fillColor = _util.Util.makeCssRgb(r, g, b);
+        this.current.tspan = this.svgFactory.createElement('svg:tspan');
+        this.current.xcoords = [];
+      }
+    }, {
+      key: "setStrokeColorN",
+      value: function setStrokeColorN(args) {
+        this.current.strokeColor = this._makeColorN_Pattern(args);
+      }
+    }, {
+      key: "setFillColorN",
+      value: function setFillColorN(args) {
+        this.current.fillColor = this._makeColorN_Pattern(args);
+      }
+    }, {
+      key: "shadingFill",
+      value: function shadingFill(args) {
+        var width = this.viewport.width;
+        var height = this.viewport.height;
+
+        var inv = _util.Util.inverseTransform(this.transformMatrix);
+
+        var bl = _util.Util.applyTransform([0, 0], inv);
+
+        var br = _util.Util.applyTransform([0, height], inv);
+
+        var ul = _util.Util.applyTransform([width, 0], inv);
+
+        var ur = _util.Util.applyTransform([width, height], inv);
+
+        var x0 = Math.min(bl[0], br[0], ul[0], ur[0]);
+        var y0 = Math.min(bl[1], br[1], ul[1], ur[1]);
+        var x1 = Math.max(bl[0], br[0], ul[0], ur[0]);
+        var y1 = Math.max(bl[1], br[1], ul[1], ur[1]);
+        var rect = this.svgFactory.createElement('svg:rect');
+        rect.setAttributeNS(null, 'x', x0);
+        rect.setAttributeNS(null, 'y', y0);
+        rect.setAttributeNS(null, 'width', x1 - x0);
+        rect.setAttributeNS(null, 'height', y1 - y0);
+        rect.setAttributeNS(null, 'fill', this._makeShadingPattern(args));
+
+        this._ensureTransformGroup().appendChild(rect);
+      }
+    }, {
+      key: "_makeColorN_Pattern",
+      value: function _makeColorN_Pattern(args) {
+        if (args[0] === 'TilingPattern') {
+          return this._makeTilingPattern(args);
+        }
+
+        return this._makeShadingPattern(args);
+      }
+    }, {
+      key: "_makeTilingPattern",
+      value: function _makeTilingPattern(args) {
+        var color = args[1];
+        var operatorList = args[2];
+        var matrix = args[3] || _util.IDENTITY_MATRIX;
+
+        var _args$ = _slicedToArray(args[4], 4),
+            x0 = _args$[0],
+            y0 = _args$[1],
+            x1 = _args$[2],
+            y1 = _args$[3];
+
+        var xstep = args[5];
+        var ystep = args[6];
+        var paintType = args[7];
+        var tilingId = "shading".concat(shadingCount++);
+
+        var _Util$applyTransform = _util.Util.applyTransform([x0, y0], matrix),
+            _Util$applyTransform2 = _slicedToArray(_Util$applyTransform, 2),
+            tx0 = _Util$applyTransform2[0],
+            ty0 = _Util$applyTransform2[1];
+
+        var _Util$applyTransform3 = _util.Util.applyTransform([x1, y1], matrix),
+            _Util$applyTransform4 = _slicedToArray(_Util$applyTransform3, 2),
+            tx1 = _Util$applyTransform4[0],
+            ty1 = _Util$applyTransform4[1];
+
+        var _Util$singularValueDe = _util.Util.singularValueDecompose2dScale(matrix),
+            _Util$singularValueDe2 = _slicedToArray(_Util$singularValueDe, 2),
+            xscale = _Util$singularValueDe2[0],
+            yscale = _Util$singularValueDe2[1];
+
+        var txstep = xstep * xscale;
+        var tystep = ystep * yscale;
+        var tiling = this.svgFactory.createElement('svg:pattern');
+        tiling.setAttributeNS(null, 'id', tilingId);
+        tiling.setAttributeNS(null, 'patternUnits', 'userSpaceOnUse');
+        tiling.setAttributeNS(null, 'width', txstep);
+        tiling.setAttributeNS(null, 'height', tystep);
+        tiling.setAttributeNS(null, 'x', "".concat(tx0));
+        tiling.setAttributeNS(null, 'y', "".concat(ty0));
+        var svg = this.svg;
+        var transformMatrix = this.transformMatrix;
+        var fillColor = this.current.fillColor;
+        var strokeColor = this.current.strokeColor;
+        var bbox = this.svgFactory.create(tx1 - tx0, ty1 - ty0);
+        this.svg = bbox;
+        this.transformMatrix = matrix;
+
+        if (paintType === 2) {
+          var cssColor = _util.Util.makeCssRgb.apply(_util.Util, _toConsumableArray(color));
+
+          this.current.fillColor = cssColor;
+          this.current.strokeColor = cssColor;
+        }
+
+        this.executeOpTree(this.convertOpList(operatorList));
+        this.svg = svg;
+        this.transformMatrix = transformMatrix;
+        this.current.fillColor = fillColor;
+        this.current.strokeColor = strokeColor;
+        tiling.appendChild(bbox.childNodes[0]);
+        this.defs.appendChild(tiling);
+        return "url(#".concat(tilingId, ")");
+      }
+    }, {
+      key: "_makeShadingPattern",
+      value: function _makeShadingPattern(args) {
+        switch (args[0]) {
+          case 'RadialAxial':
+            var shadingId = "shading".concat(shadingCount++);
+            var colorStops = args[2];
+            var gradient;
+
+            switch (args[1]) {
+              case 'axial':
+                var point0 = args[3];
+                var point1 = args[4];
+                gradient = this.svgFactory.createElement('svg:linearGradient');
+                gradient.setAttributeNS(null, 'id', shadingId);
+                gradient.setAttributeNS(null, 'gradientUnits', 'userSpaceOnUse');
+                gradient.setAttributeNS(null, 'x1', point0[0]);
+                gradient.setAttributeNS(null, 'y1', point0[1]);
+                gradient.setAttributeNS(null, 'x2', point1[0]);
+                gradient.setAttributeNS(null, 'y2', point1[1]);
+                break;
+
+              case 'radial':
+                var focalPoint = args[3];
+                var circlePoint = args[4];
+                var focalRadius = args[5];
+                var circleRadius = args[6];
+                gradient = this.svgFactory.createElement('svg:radialGradient');
+                gradient.setAttributeNS(null, 'id', shadingId);
+                gradient.setAttributeNS(null, 'gradientUnits', 'userSpaceOnUse');
+                gradient.setAttributeNS(null, 'cx', circlePoint[0]);
+                gradient.setAttributeNS(null, 'cy', circlePoint[1]);
+                gradient.setAttributeNS(null, 'r', circleRadius);
+                gradient.setAttributeNS(null, 'fx', focalPoint[0]);
+                gradient.setAttributeNS(null, 'fy', focalPoint[1]);
+                gradient.setAttributeNS(null, 'fr', focalRadius);
+                break;
+
+              default:
+                throw new Error("Unknown RadialAxial type: ".concat(args[1]));
+            }
+
+            var _iteratorNormalCompletion5 = true;
+            var _didIteratorError5 = false;
+            var _iteratorError5 = undefined;
+
+            try {
+              for (var _iterator5 = colorStops[Symbol.iterator](), _step5; !(_iteratorNormalCompletion5 = (_step5 = _iterator5.next()).done); _iteratorNormalCompletion5 = true) {
+                var colorStop = _step5.value;
+                var stop = this.svgFactory.createElement('svg:stop');
+                stop.setAttributeNS(null, 'offset', colorStop[0]);
+                stop.setAttributeNS(null, 'stop-color', colorStop[1]);
+                gradient.appendChild(stop);
+              }
+            } catch (err) {
+              _didIteratorError5 = true;
+              _iteratorError5 = err;
+            } finally {
+              try {
+                if (!_iteratorNormalCompletion5 && _iterator5["return"] != null) {
+                  _iterator5["return"]();
+                }
+              } finally {
+                if (_didIteratorError5) {
+                  throw _iteratorError5;
+                }
+              }
+            }
+
+            this.defs.appendChild(gradient);
+            return "url(#".concat(shadingId, ")");
+
+          case 'Mesh':
+            (0, _util.warn)('Unimplemented pattern Mesh');
+            return null;
+
+          case 'Dummy':
+            return 'hotpink';
+
+          default:
+            throw new Error("Unknown IR type: ".concat(args[0]));
+        }
+      }
+    }, {
+      key: "setDash",
+      value: function setDash(dashArray, dashPhase) {
+        this.current.dashArray = dashArray;
+        this.current.dashPhase = dashPhase;
+      }
+    }, {
+      key: "constructPath",
+      value: function constructPath(ops, args) {
+        var current = this.current;
+        var x = current.x,
+            y = current.y;
+        var d = [];
+        var j = 0;
+        var _iteratorNormalCompletion6 = true;
+        var _didIteratorError6 = false;
+        var _iteratorError6 = undefined;
+
+        try {
+          for (var _iterator6 = ops[Symbol.iterator](), _step6; !(_iteratorNormalCompletion6 = (_step6 = _iterator6.next()).done); _iteratorNormalCompletion6 = true) {
+            var op = _step6.value;
+
+            switch (op | 0) {
+              case _util.OPS.rectangle:
+                x = args[j++];
+                y = args[j++];
+                var width = args[j++];
+                var height = args[j++];
+                var xw = x + width;
+                var yh = y + height;
+                d.push('M', pf(x), pf(y), 'L', pf(xw), pf(y), 'L', pf(xw), pf(yh), 'L', pf(x), pf(yh), 'Z');
+                break;
+
+              case _util.OPS.moveTo:
+                x = args[j++];
+                y = args[j++];
+                d.push('M', pf(x), pf(y));
+                break;
+
+              case _util.OPS.lineTo:
+                x = args[j++];
+                y = args[j++];
+                d.push('L', pf(x), pf(y));
+                break;
+
+              case _util.OPS.curveTo:
+                x = args[j + 4];
+                y = args[j + 5];
+                d.push('C', pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]), pf(x), pf(y));
+                j += 6;
+                break;
+
+              case _util.OPS.curveTo2:
+                x = args[j + 2];
+                y = args[j + 3];
+                d.push('C', pf(x), pf(y), pf(args[j]), pf(args[j + 1]), pf(args[j + 2]), pf(args[j + 3]));
+                j += 4;
+                break;
+
+              case _util.OPS.curveTo3:
+                x = args[j + 2];
+                y = args[j + 3];
+                d.push('C', pf(args[j]), pf(args[j + 1]), pf(x), pf(y), pf(x), pf(y));
+                j += 4;
+                break;
+
+              case _util.OPS.closePath:
+                d.push('Z');
+                break;
+            }
+          }
+        } catch (err) {
+          _didIteratorError6 = true;
+          _iteratorError6 = err;
+        } finally {
+          try {
+            if (!_iteratorNormalCompletion6 && _iterator6["return"] != null) {
+              _iterator6["return"]();
+            }
+          } finally {
+            if (_didIteratorError6) {
+              throw _iteratorError6;
+            }
+          }
+        }
+
+        d = d.join(' ');
+
+        if (current.path && ops.length > 0 && ops[0] !== _util.OPS.rectangle && ops[0] !== _util.OPS.moveTo) {
+          d = current.path.getAttributeNS(null, 'd') + d;
+        } else {
+          current.path = this.svgFactory.createElement('svg:path');
+
+          this._ensureTransformGroup().appendChild(current.path);
+        }
+
+        current.path.setAttributeNS(null, 'd', d);
+        current.path.setAttributeNS(null, 'fill', 'none');
+        current.element = current.path;
+        current.setCurrentPoint(x, y);
+      }
+    }, {
+      key: "endPath",
+      value: function endPath() {
+        var current = this.current;
+        current.path = null;
+
+        if (!this.pendingClip) {
+          return;
+        }
+
+        if (!current.element) {
+          this.pendingClip = null;
+          return;
+        }
+
+        var clipId = "clippath".concat(clipCount++);
+        var clipPath = this.svgFactory.createElement('svg:clipPath');
+        clipPath.setAttributeNS(null, 'id', clipId);
+        clipPath.setAttributeNS(null, 'transform', pm(this.transformMatrix));
+        var clipElement = current.element.cloneNode(true);
+
+        if (this.pendingClip === 'evenodd') {
+          clipElement.setAttributeNS(null, 'clip-rule', 'evenodd');
+        } else {
+          clipElement.setAttributeNS(null, 'clip-rule', 'nonzero');
+        }
+
+        this.pendingClip = null;
+        clipPath.appendChild(clipElement);
+        this.defs.appendChild(clipPath);
+
+        if (current.activeClipUrl) {
+          current.clipGroup = null;
+          this.extraStack.forEach(function (prev) {
+            prev.clipGroup = null;
+          });
+          clipPath.setAttributeNS(null, 'clip-path', current.activeClipUrl);
+        }
+
+        current.activeClipUrl = "url(#".concat(clipId, ")");
+        this.tgrp = null;
+      }
+    }, {
+      key: "clip",
+      value: function clip(type) {
+        this.pendingClip = type;
+      }
+    }, {
+      key: "closePath",
+      value: function closePath() {
+        var current = this.current;
+
+        if (current.path) {
+          var d = "".concat(current.path.getAttributeNS(null, 'd'), "Z");
+          current.path.setAttributeNS(null, 'd', d);
+        }
+      }
+    }, {
+      key: "setLeading",
+      value: function setLeading(leading) {
+        this.current.leading = -leading;
+      }
+    }, {
+      key: "setTextRise",
+      value: function setTextRise(textRise) {
+        this.current.textRise = textRise;
+      }
+    }, {
+      key: "setTextRenderingMode",
+      value: function setTextRenderingMode(textRenderingMode) {
+        this.current.textRenderingMode = textRenderingMode;
+      }
+    }, {
+      key: "setHScale",
+      value: function setHScale(scale) {
+        this.current.textHScale = scale / 100;
+      }
+    }, {
+      key: "setRenderingIntent",
+      value: function setRenderingIntent(intent) {}
+    }, {
+      key: "setFlatness",
+      value: function setFlatness(flatness) {}
+    }, {
+      key: "setGState",
+      value: function setGState(states) {
+        var _iteratorNormalCompletion7 = true;
+        var _didIteratorError7 = false;
+        var _iteratorError7 = undefined;
+
+        try {
+          for (var _iterator7 = states[Symbol.iterator](), _step7; !(_iteratorNormalCompletion7 = (_step7 = _iterator7.next()).done); _iteratorNormalCompletion7 = true) {
+            var _step7$value = _slicedToArray(_step7.value, 2),
+                key = _step7$value[0],
+                value = _step7$value[1];
+
+            switch (key) {
+              case 'LW':
+                this.setLineWidth(value);
+                break;
+
+              case 'LC':
+                this.setLineCap(value);
+                break;
+
+              case 'LJ':
+                this.setLineJoin(value);
+                break;
+
+              case 'ML':
+                this.setMiterLimit(value);
+                break;
+
+              case 'D':
+                this.setDash(value[0], value[1]);
+                break;
+
+              case 'RI':
+                this.setRenderingIntent(value);
+                break;
+
+              case 'FL':
+                this.setFlatness(value);
+                break;
+
+              case 'Font':
+                this.setFont(value);
+                break;
+
+              case 'CA':
+                this.setStrokeAlpha(value);
+                break;
+
+              case 'ca':
+                this.setFillAlpha(value);
+                break;
+
+              default:
+                (0, _util.warn)("Unimplemented graphic state operator ".concat(key));
+                break;
+            }
+          }
+        } catch (err) {
+          _didIteratorError7 = true;
+          _iteratorError7 = err;
+        } finally {
+          try {
+            if (!_iteratorNormalCompletion7 && _iterator7["return"] != null) {
+              _iterator7["return"]();
+            }
+          } finally {
+            if (_didIteratorError7) {
+              throw _iteratorError7;
+            }
+          }
+        }
+      }
+    }, {
+      key: "fill",
+      value: function fill() {
+        var current = this.current;
+
+        if (current.element) {
+          current.element.setAttributeNS(null, 'fill', current.fillColor);
+          current.element.setAttributeNS(null, 'fill-opacity', current.fillAlpha);
+          this.endPath();
+        }
+      }
+    }, {
+      key: "stroke",
+      value: function stroke() {
+        var current = this.current;
+
+        if (current.element) {
+          this._setStrokeAttributes(current.element);
+
+          current.element.setAttributeNS(null, 'fill', 'none');
+          this.endPath();
+        }
+      }
+    }, {
+      key: "_setStrokeAttributes",
+      value: function _setStrokeAttributes(element) {
+        var lineWidthScale = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
+        var current = this.current;
+        var dashArray = current.dashArray;
+
+        if (lineWidthScale !== 1 && dashArray.length > 0) {
+          dashArray = dashArray.map(function (value) {
+            return lineWidthScale * value;
+          });
+        }
+
+        element.setAttributeNS(null, 'stroke', current.strokeColor);
+        element.setAttributeNS(null, 'stroke-opacity', current.strokeAlpha);
+        element.setAttributeNS(null, 'stroke-miterlimit', pf(current.miterLimit));
+        element.setAttributeNS(null, 'stroke-linecap', current.lineCap);
+        element.setAttributeNS(null, 'stroke-linejoin', current.lineJoin);
+        element.setAttributeNS(null, 'stroke-width', pf(lineWidthScale * current.lineWidth) + 'px');
+        element.setAttributeNS(null, 'stroke-dasharray', dashArray.map(pf).join(' '));
+        element.setAttributeNS(null, 'stroke-dashoffset', pf(lineWidthScale * current.dashPhase) + 'px');
+      }
+    }, {
+      key: "eoFill",
+      value: function eoFill() {
+        if (this.current.element) {
+          this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd');
+        }
+
+        this.fill();
+      }
+    }, {
+      key: "fillStroke",
+      value: function fillStroke() {
+        this.stroke();
+        this.fill();
+      }
+    }, {
+      key: "eoFillStroke",
+      value: function eoFillStroke() {
+        if (this.current.element) {
+          this.current.element.setAttributeNS(null, 'fill-rule', 'evenodd');
+        }
+
+        this.fillStroke();
+      }
+    }, {
+      key: "closeStroke",
+      value: function closeStroke() {
+        this.closePath();
+        this.stroke();
+      }
+    }, {
+      key: "closeFillStroke",
+      value: function closeFillStroke() {
+        this.closePath();
+        this.fillStroke();
+      }
+    }, {
+      key: "closeEOFillStroke",
+      value: function closeEOFillStroke() {
+        this.closePath();
+        this.eoFillStroke();
+      }
+    }, {
+      key: "paintSolidColorImageMask",
+      value: function paintSolidColorImageMask() {
+        var rect = this.svgFactory.createElement('svg:rect');
+        rect.setAttributeNS(null, 'x', '0');
+        rect.setAttributeNS(null, 'y', '0');
+        rect.setAttributeNS(null, 'width', '1px');
+        rect.setAttributeNS(null, 'height', '1px');
+        rect.setAttributeNS(null, 'fill', this.current.fillColor);
+
+        this._ensureTransformGroup().appendChild(rect);
+      }
+    }, {
+      key: "paintJpegXObject",
+      value: function paintJpegXObject(objId, w, h) {
+        var imgObj = this.objs.get(objId);
+        var imgEl = this.svgFactory.createElement('svg:image');
+        imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgObj.src);
+        imgEl.setAttributeNS(null, 'width', pf(w));
+        imgEl.setAttributeNS(null, 'height', pf(h));
+        imgEl.setAttributeNS(null, 'x', '0');
+        imgEl.setAttributeNS(null, 'y', pf(-h));
+        imgEl.setAttributeNS(null, 'transform', "scale(".concat(pf(1 / w), " ").concat(pf(-1 / h), ")"));
+
+        this._ensureTransformGroup().appendChild(imgEl);
+      }
+    }, {
+      key: "paintImageXObject",
+      value: function paintImageXObject(objId) {
+        var imgData = this.objs.get(objId);
+
+        if (!imgData) {
+          (0, _util.warn)("Dependent image with object ID ".concat(objId, " is not ready yet"));
+          return;
+        }
+
+        this.paintInlineImageXObject(imgData);
+      }
+    }, {
+      key: "paintInlineImageXObject",
+      value: function paintInlineImageXObject(imgData, mask) {
+        var width = imgData.width;
+        var height = imgData.height;
+        var imgSrc = convertImgDataToPng(imgData, this.forceDataSchema, !!mask);
+        var cliprect = this.svgFactory.createElement('svg:rect');
+        cliprect.setAttributeNS(null, 'x', '0');
+        cliprect.setAttributeNS(null, 'y', '0');
+        cliprect.setAttributeNS(null, 'width', pf(width));
+        cliprect.setAttributeNS(null, 'height', pf(height));
+        this.current.element = cliprect;
+        this.clip('nonzero');
+        var imgEl = this.svgFactory.createElement('svg:image');
+        imgEl.setAttributeNS(XLINK_NS, 'xlink:href', imgSrc);
+        imgEl.setAttributeNS(null, 'x', '0');
+        imgEl.setAttributeNS(null, 'y', pf(-height));
+        imgEl.setAttributeNS(null, 'width', pf(width) + 'px');
+        imgEl.setAttributeNS(null, 'height', pf(height) + 'px');
+        imgEl.setAttributeNS(null, 'transform', "scale(".concat(pf(1 / width), " ").concat(pf(-1 / height), ")"));
+
+        if (mask) {
+          mask.appendChild(imgEl);
+        } else {
+          this._ensureTransformGroup().appendChild(imgEl);
+        }
+      }
+    }, {
+      key: "paintImageMaskXObject",
+      value: function paintImageMaskXObject(imgData) {
+        var current = this.current;
+        var width = imgData.width;
+        var height = imgData.height;
+        var fillColor = current.fillColor;
+        current.maskId = "mask".concat(maskCount++);
+        var mask = this.svgFactory.createElement('svg:mask');
+        mask.setAttributeNS(null, 'id', current.maskId);
+        var rect = this.svgFactory.createElement('svg:rect');
+        rect.setAttributeNS(null, 'x', '0');
+        rect.setAttributeNS(null, 'y', '0');
+        rect.setAttributeNS(null, 'width', pf(width));
+        rect.setAttributeNS(null, 'height', pf(height));
+        rect.setAttributeNS(null, 'fill', fillColor);
+        rect.setAttributeNS(null, 'mask', "url(#".concat(current.maskId, ")"));
+        this.defs.appendChild(mask);
+
+        this._ensureTransformGroup().appendChild(rect);
+
+        this.paintInlineImageXObject(imgData, mask);
+      }
+    }, {
+      key: "paintFormXObjectBegin",
+      value: function paintFormXObjectBegin(matrix, bbox) {
+        if (Array.isArray(matrix) && matrix.length === 6) {
+          this.transform(matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
+        }
+
+        if (bbox) {
+          var width = bbox[2] - bbox[0];
+          var height = bbox[3] - bbox[1];
+          var cliprect = this.svgFactory.createElement('svg:rect');
+          cliprect.setAttributeNS(null, 'x', bbox[0]);
+          cliprect.setAttributeNS(null, 'y', bbox[1]);
+          cliprect.setAttributeNS(null, 'width', pf(width));
+          cliprect.setAttributeNS(null, 'height', pf(height));
+          this.current.element = cliprect;
+          this.clip('nonzero');
+          this.endPath();
+        }
+      }
+    }, {
+      key: "paintFormXObjectEnd",
+      value: function paintFormXObjectEnd() {}
+    }, {
+      key: "_initialize",
+      value: function _initialize(viewport) {
+        var svg = this.svgFactory.create(viewport.width, viewport.height);
+        var definitions = this.svgFactory.createElement('svg:defs');
+        svg.appendChild(definitions);
+        this.defs = definitions;
+        var rootGroup = this.svgFactory.createElement('svg:g');
+        rootGroup.setAttributeNS(null, 'transform', pm(viewport.transform));
+        svg.appendChild(rootGroup);
+        this.svg = rootGroup;
+        return svg;
+      }
+    }, {
+      key: "_ensureClipGroup",
+      value: function _ensureClipGroup() {
+        if (!this.current.clipGroup) {
+          var clipGroup = this.svgFactory.createElement('svg:g');
+          clipGroup.setAttributeNS(null, 'clip-path', this.current.activeClipUrl);
+          this.svg.appendChild(clipGroup);
+          this.current.clipGroup = clipGroup;
+        }
+
+        return this.current.clipGroup;
+      }
+    }, {
+      key: "_ensureTransformGroup",
+      value: function _ensureTransformGroup() {
+        if (!this.tgrp) {
+          this.tgrp = this.svgFactory.createElement('svg:g');
+          this.tgrp.setAttributeNS(null, 'transform', pm(this.transformMatrix));
+
+          if (this.current.activeClipUrl) {
+            this._ensureClipGroup().appendChild(this.tgrp);
+          } else {
+            this.svg.appendChild(this.tgrp);
+          }
+        }
+
+        return this.tgrp;
+      }
+    }]);
+
+    return SVGGraphics;
+  }();
+}
+
+/***/ }),
+/* 165 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFNodeStream = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(148));
+
+var _util = __w_pdfjs_require__(1);
+
+var _network_utils = __w_pdfjs_require__(166);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
+
+function _typeof(obj) { if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }
+
+function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }
+
+function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }
+
+function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }
+
+function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }
+
+function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+var fs = require('fs');
+
+var http = require('http');
+
+var https = require('https');
+
+var url = require('url');
+
+var fileUriRegex = /^file:\/\/\/[a-zA-Z]:\//;
+
+function parseUrl(sourceUrl) {
+  var parsedUrl = url.parse(sourceUrl);
+
+  if (parsedUrl.protocol === 'file:' || parsedUrl.host) {
+    return parsedUrl;
+  }
+
+  if (/^[a-z]:[/\\]/i.test(sourceUrl)) {
+    return url.parse("file:///".concat(sourceUrl));
+  }
+
+  if (!parsedUrl.host) {
+    parsedUrl.protocol = 'file:';
+  }
+
+  return parsedUrl;
+}
+
+var PDFNodeStream =
+/*#__PURE__*/
+function () {
+  function PDFNodeStream(source) {
+    _classCallCheck(this, PDFNodeStream);
+
+    this.source = source;
+    this.url = parseUrl(source.url);
+    this.isHttp = this.url.protocol === 'http:' || this.url.protocol === 'https:';
+    this.isFsUrl = this.url.protocol === 'file:';
+    this.httpHeaders = this.isHttp && source.httpHeaders || {};
+    this._fullRequestReader = null;
+    this._rangeRequestReaders = [];
+  }
+
+  _createClass(PDFNodeStream, [{
+    key: "getFullReader",
+    value: function getFullReader() {
+      (0, _util.assert)(!this._fullRequestReader);
+      this._fullRequestReader = this.isFsUrl ? new PDFNodeStreamFsFullReader(this) : new PDFNodeStreamFullReader(this);
+      return this._fullRequestReader;
+    }
+  }, {
+    key: "getRangeReader",
+    value: function getRangeReader(start, end) {
+      if (end <= this._progressiveDataLength) {
+        return null;
+      }
+
+      var rangeReader = this.isFsUrl ? new PDFNodeStreamFsRangeReader(this, start, end) : new PDFNodeStreamRangeReader(this, start, end);
+
+      this._rangeRequestReaders.push(rangeReader);
+
+      return rangeReader;
+    }
+  }, {
+    key: "cancelAllRequests",
+    value: function cancelAllRequests(reason) {
+      if (this._fullRequestReader) {
+        this._fullRequestReader.cancel(reason);
+      }
+
+      var readers = this._rangeRequestReaders.slice(0);
+
+      readers.forEach(function (reader) {
+        reader.cancel(reason);
+      });
+    }
+  }, {
+    key: "_progressiveDataLength",
+    get: function get() {
+      return this._fullRequestReader ? this._fullRequestReader._loaded : 0;
+    }
+  }]);
+
+  return PDFNodeStream;
+}();
+
+exports.PDFNodeStream = PDFNodeStream;
+
+var BaseFullReader =
+/*#__PURE__*/
+function () {
+  function BaseFullReader(stream) {
+    _classCallCheck(this, BaseFullReader);
+
+    this._url = stream.url;
+    this._done = false;
+    this._storedError = null;
+    this.onProgress = null;
+    var source = stream.source;
+    this._contentLength = source.length;
+    this._loaded = 0;
+    this._filename = null;
+    this._disableRange = source.disableRange || false;
+    this._rangeChunkSize = source.rangeChunkSize;
+
+    if (!this._rangeChunkSize && !this._disableRange) {
+      this._disableRange = true;
+    }
+
+    this._isStreamingSupported = !source.disableStream;
+    this._isRangeSupported = !source.disableRange;
+    this._readableStream = null;
+    this._readCapability = (0, _util.createPromiseCapability)();
+    this._headersCapability = (0, _util.createPromiseCapability)();
+  }
+
+  _createClass(BaseFullReader, [{
+    key: "read",
+    value: function () {
+      var _read = _asyncToGenerator(
+      /*#__PURE__*/
+      _regenerator["default"].mark(function _callee() {
+        var chunk, buffer;
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                _context.next = 2;
+                return this._readCapability.promise;
+
+              case 2:
+                if (!this._done) {
+                  _context.next = 4;
+                  break;
+                }
+
+                return _context.abrupt("return", {
+                  value: undefined,
+                  done: true
+                });
+
+              case 4:
+                if (!this._storedError) {
+                  _context.next = 6;
+                  break;
+                }
+
+                throw this._storedError;
+
+              case 6:
+                chunk = this._readableStream.read();
+
+                if (!(chunk === null)) {
+                  _context.next = 10;
+                  break;
+                }
+
+                this._readCapability = (0, _util.createPromiseCapability)();
+                return _context.abrupt("return", this.read());
+
+              case 10:
+                this._loaded += chunk.length;
+
+                if (this.onProgress) {
+                  this.onProgress({
+                    loaded: this._loaded,
+                    total: this._contentLength
+                  });
+                }
+
+                buffer = new Uint8Array(chunk).buffer;
+                return _context.abrupt("return", {
+                  value: buffer,
+                  done: false
+                });
+
+              case 14:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee, this);
+      }));
+
+      function read() {
+        return _read.apply(this, arguments);
+      }
+
+      return read;
+    }()
+  }, {
+    key: "cancel",
+    value: function cancel(reason) {
+      if (!this._readableStream) {
+        this._error(reason);
+
+        return;
+      }
+
+      this._readableStream.destroy(reason);
+    }
+  }, {
+    key: "_error",
+    value: function _error(reason) {
+      this._storedError = reason;
+
+      this._readCapability.resolve();
+    }
+  }, {
+    key: "_setReadableStream",
+    value: function _setReadableStream(readableStream) {
+      var _this = this;
+
+      this._readableStream = readableStream;
+      readableStream.on('readable', function () {
+        _this._readCapability.resolve();
+      });
+      readableStream.on('end', function () {
+        readableStream.destroy();
+        _this._done = true;
+
+        _this._readCapability.resolve();
+      });
+      readableStream.on('error', function (reason) {
+        _this._error(reason);
+      });
+
+      if (!this._isStreamingSupported && this._isRangeSupported) {
+        this._error(new _util.AbortException('streaming is disabled'));
+      }
+
+      if (this._storedError) {
+        this._readableStream.destroy(this._storedError);
+      }
+    }
+  }, {
+    key: "headersReady",
+    get: function get() {
+      return this._headersCapability.promise;
+    }
+  }, {
+    key: "filename",
+    get: function get() {
+      return this._filename;
+    }
+  }, {
+    key: "contentLength",
+    get: function get() {
+      return this._contentLength;
+    }
+  }, {
+    key: "isRangeSupported",
+    get: function get() {
+      return this._isRangeSupported;
+    }
+  }, {
+    key: "isStreamingSupported",
+    get: function get() {
+      return this._isStreamingSupported;
+    }
+  }]);
+
+  return BaseFullReader;
+}();
+
+var BaseRangeReader =
+/*#__PURE__*/
+function () {
+  function BaseRangeReader(stream) {
+    _classCallCheck(this, BaseRangeReader);
+
+    this._url = stream.url;
+    this._done = false;
+    this._storedError = null;
+    this.onProgress = null;
+    this._loaded = 0;
+    this._readableStream = null;
+    this._readCapability = (0, _util.createPromiseCapability)();
+    var source = stream.source;
+    this._isStreamingSupported = !source.disableStream;
+  }
+
+  _createClass(BaseRangeReader, [{
+    key: "read",
+    value: function () {
+      var _read2 = _asyncToGenerator(
+      /*#__PURE__*/
+      _regenerator["default"].mark(function _callee2() {
+        var chunk, buffer;
+        return _regenerator["default"].wrap(function _callee2$(_context2) {
+          while (1) {
+            switch (_context2.prev = _context2.next) {
+              case 0:
+                _context2.next = 2;
+                return this._readCapability.promise;
+
+              case 2:
+                if (!this._done) {
+                  _context2.next = 4;
+                  break;
+                }
+
+                return _context2.abrupt("return", {
+                  value: undefined,
+                  done: true
+                });
+
+              case 4:
+                if (!this._storedError) {
+                  _context2.next = 6;
+                  break;
+                }
+
+                throw this._storedError;
+
+              case 6:
+                chunk = this._readableStream.read();
+
+                if (!(chunk === null)) {
+                  _context2.next = 10;
+                  break;
+                }
+
+                this._readCapability = (0, _util.createPromiseCapability)();
+                return _context2.abrupt("return", this.read());
+
+              case 10:
+                this._loaded += chunk.length;
+
+                if (this.onProgress) {
+                  this.onProgress({
+                    loaded: this._loaded
+                  });
+                }
+
+                buffer = new Uint8Array(chunk).buffer;
+                return _context2.abrupt("return", {
+                  value: buffer,
+                  done: false
+                });
+
+              case 14:
+              case "end":
+                return _context2.stop();
+            }
+          }
+        }, _callee2, this);
+      }));
+
+      function read() {
+        return _read2.apply(this, arguments);
+      }
+
+      return read;
+    }()
+  }, {
+    key: "cancel",
+    value: function cancel(reason) {
+      if (!this._readableStream) {
+        this._error(reason);
+
+        return;
+      }
+
+      this._readableStream.destroy(reason);
+    }
+  }, {
+    key: "_error",
+    value: function _error(reason) {
+      this._storedError = reason;
+
+      this._readCapability.resolve();
+    }
+  }, {
+    key: "_setReadableStream",
+    value: function _setReadableStream(readableStream) {
+      var _this2 = this;
+
+      this._readableStream = readableStream;
+      readableStream.on('readable', function () {
+        _this2._readCapability.resolve();
+      });
+      readableStream.on('end', function () {
+        readableStream.destroy();
+        _this2._done = true;
+
+        _this2._readCapability.resolve();
+      });
+      readableStream.on('error', function (reason) {
+        _this2._error(reason);
+      });
+
+      if (this._storedError) {
+        this._readableStream.destroy(this._storedError);
+      }
+    }
+  }, {
+    key: "isStreamingSupported",
+    get: function get() {
+      return this._isStreamingSupported;
+    }
+  }]);
+
+  return BaseRangeReader;
+}();
+
+function createRequestOptions(url, headers) {
+  return {
+    protocol: url.protocol,
+    auth: url.auth,
+    host: url.hostname,
+    port: url.port,
+    path: url.path,
+    method: 'GET',
+    headers: headers
+  };
+}
+
+var PDFNodeStreamFullReader =
+/*#__PURE__*/
+function (_BaseFullReader) {
+  _inherits(PDFNodeStreamFullReader, _BaseFullReader);
+
+  function PDFNodeStreamFullReader(stream) {
+    var _this3;
+
+    _classCallCheck(this, PDFNodeStreamFullReader);
+
+    _this3 = _possibleConstructorReturn(this, _getPrototypeOf(PDFNodeStreamFullReader).call(this, stream));
+
+    var handleResponse = function handleResponse(response) {
+      if (response.statusCode === 404) {
+        var error = new _util.MissingPDFException("Missing PDF \"".concat(_this3._url, "\"."));
+        _this3._storedError = error;
+
+        _this3._headersCapability.reject(error);
+
+        return;
+      }
+
+      _this3._headersCapability.resolve();
+
+      _this3._setReadableStream(response);
+
+      var getResponseHeader = function getResponseHeader(name) {
+        return _this3._readableStream.headers[name.toLowerCase()];
+      };
+
+      var _validateRangeRequest = (0, _network_utils.validateRangeRequestCapabilities)({
+        getResponseHeader: getResponseHeader,
+        isHttp: stream.isHttp,
+        rangeChunkSize: _this3._rangeChunkSize,
+        disableRange: _this3._disableRange
+      }),
+          allowRangeRequests = _validateRangeRequest.allowRangeRequests,
+          suggestedLength = _validateRangeRequest.suggestedLength;
+
+      _this3._isRangeSupported = allowRangeRequests;
+      _this3._contentLength = suggestedLength || _this3._contentLength;
+      _this3._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
+    };
+
+    _this3._request = null;
+
+    if (_this3._url.protocol === 'http:') {
+      _this3._request = http.request(createRequestOptions(_this3._url, stream.httpHeaders), handleResponse);
+    } else {
+      _this3._request = https.request(createRequestOptions(_this3._url, stream.httpHeaders), handleResponse);
+    }
+
+    _this3._request.on('error', function (reason) {
+      _this3._storedError = reason;
+
+      _this3._headersCapability.reject(reason);
+    });
+
+    _this3._request.end();
+
+    return _this3;
+  }
+
+  return PDFNodeStreamFullReader;
+}(BaseFullReader);
+
+var PDFNodeStreamRangeReader =
+/*#__PURE__*/
+function (_BaseRangeReader) {
+  _inherits(PDFNodeStreamRangeReader, _BaseRangeReader);
+
+  function PDFNodeStreamRangeReader(stream, start, end) {
+    var _this4;
+
+    _classCallCheck(this, PDFNodeStreamRangeReader);
+
+    _this4 = _possibleConstructorReturn(this, _getPrototypeOf(PDFNodeStreamRangeReader).call(this, stream));
+    _this4._httpHeaders = {};
+
+    for (var property in stream.httpHeaders) {
+      var value = stream.httpHeaders[property];
+
+      if (typeof value === 'undefined') {
+        continue;
+      }
+
+      _this4._httpHeaders[property] = value;
+    }
+
+    _this4._httpHeaders['Range'] = "bytes=".concat(start, "-").concat(end - 1);
+
+    var handleResponse = function handleResponse(response) {
+      if (response.statusCode === 404) {
+        var error = new _util.MissingPDFException("Missing PDF \"".concat(_this4._url, "\"."));
+        _this4._storedError = error;
+        return;
+      }
+
+      _this4._setReadableStream(response);
+    };
+
+    _this4._request = null;
+
+    if (_this4._url.protocol === 'http:') {
+      _this4._request = http.request(createRequestOptions(_this4._url, _this4._httpHeaders), handleResponse);
+    } else {
+      _this4._request = https.request(createRequestOptions(_this4._url, _this4._httpHeaders), handleResponse);
+    }
+
+    _this4._request.on('error', function (reason) {
+      _this4._storedError = reason;
+    });
+
+    _this4._request.end();
+
+    return _this4;
+  }
+
+  return PDFNodeStreamRangeReader;
+}(BaseRangeReader);
+
+var PDFNodeStreamFsFullReader =
+/*#__PURE__*/
+function (_BaseFullReader2) {
+  _inherits(PDFNodeStreamFsFullReader, _BaseFullReader2);
+
+  function PDFNodeStreamFsFullReader(stream) {
+    var _this5;
+
+    _classCallCheck(this, PDFNodeStreamFsFullReader);
+
+    _this5 = _possibleConstructorReturn(this, _getPrototypeOf(PDFNodeStreamFsFullReader).call(this, stream));
+    var path = decodeURIComponent(_this5._url.path);
+
+    if (fileUriRegex.test(_this5._url.href)) {
+      path = path.replace(/^\//, '');
+    }
+
+    fs.lstat(path, function (error, stat) {
+      if (error) {
+        if (error.code === 'ENOENT') {
+          error = new _util.MissingPDFException("Missing PDF \"".concat(path, "\"."));
+        }
+
+        _this5._storedError = error;
+
+        _this5._headersCapability.reject(error);
+
+        return;
+      }
+
+      _this5._contentLength = stat.size;
+
+      _this5._setReadableStream(fs.createReadStream(path));
+
+      _this5._headersCapability.resolve();
+    });
+    return _this5;
+  }
+
+  return PDFNodeStreamFsFullReader;
+}(BaseFullReader);
+
+var PDFNodeStreamFsRangeReader =
+/*#__PURE__*/
+function (_BaseRangeReader2) {
+  _inherits(PDFNodeStreamFsRangeReader, _BaseRangeReader2);
+
+  function PDFNodeStreamFsRangeReader(stream, start, end) {
+    var _this6;
+
+    _classCallCheck(this, PDFNodeStreamFsRangeReader);
+
+    _this6 = _possibleConstructorReturn(this, _getPrototypeOf(PDFNodeStreamFsRangeReader).call(this, stream));
+    var path = decodeURIComponent(_this6._url.path);
+
+    if (fileUriRegex.test(_this6._url.href)) {
+      path = path.replace(/^\//, '');
+    }
+
+    _this6._setReadableStream(fs.createReadStream(path, {
+      start: start,
+      end: end - 1
+    }));
+
+    return _this6;
+  }
+
+  return PDFNodeStreamFsRangeReader;
+}(BaseRangeReader);
+
+/***/ }),
+/* 166 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.createResponseStatusError = createResponseStatusError;
+exports.extractFilenameFromHeader = extractFilenameFromHeader;
+exports.validateRangeRequestCapabilities = validateRangeRequestCapabilities;
+exports.validateResponseStatus = validateResponseStatus;
+
+var _util = __w_pdfjs_require__(1);
+
+var _content_disposition = __w_pdfjs_require__(167);
+
+function validateRangeRequestCapabilities(_ref) {
+  var getResponseHeader = _ref.getResponseHeader,
+      isHttp = _ref.isHttp,
+      rangeChunkSize = _ref.rangeChunkSize,
+      disableRange = _ref.disableRange;
+  (0, _util.assert)(rangeChunkSize > 0, 'Range chunk size must be larger than zero');
+  var returnValues = {
+    allowRangeRequests: false,
+    suggestedLength: undefined
+  };
+  var length = parseInt(getResponseHeader('Content-Length'), 10);
+
+  if (!Number.isInteger(length)) {
+    return returnValues;
+  }
+
+  returnValues.suggestedLength = length;
+
+  if (length <= 2 * rangeChunkSize) {
+    return returnValues;
+  }
+
+  if (disableRange || !isHttp) {
+    return returnValues;
+  }
+
+  if (getResponseHeader('Accept-Ranges') !== 'bytes') {
+    return returnValues;
+  }
+
+  var contentEncoding = getResponseHeader('Content-Encoding') || 'identity';
+
+  if (contentEncoding !== 'identity') {
+    return returnValues;
+  }
+
+  returnValues.allowRangeRequests = true;
+  return returnValues;
+}
+
+function extractFilenameFromHeader(getResponseHeader) {
+  var contentDisposition = getResponseHeader('Content-Disposition');
+
+  if (contentDisposition) {
+    var filename = (0, _content_disposition.getFilenameFromContentDispositionHeader)(contentDisposition);
+
+    if (/\.pdf$/i.test(filename)) {
+      return filename;
+    }
+  }
+
+  return null;
+}
+
+function createResponseStatusError(status, url) {
+  if (status === 404 || status === 0 && /^file:/.test(url)) {
+    return new _util.MissingPDFException('Missing PDF "' + url + '".');
+  }
+
+  return new _util.UnexpectedResponseException('Unexpected server response (' + status + ') while retrieving PDF "' + url + '".', status);
+}
+
+function validateResponseStatus(status) {
+  return status === 200 || status === 206;
+}
+
+/***/ }),
+/* 167 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.getFilenameFromContentDispositionHeader = getFilenameFromContentDispositionHeader;
+
+function _slicedToArray(arr, i) { return _arrayWithHoles(arr) || _iterableToArrayLimit(arr, i) || _nonIterableRest(); }
+
+function _nonIterableRest() { throw new TypeError("Invalid attempt to destructure non-iterable instance"); }
+
+function _iterableToArrayLimit(arr, i) { var _arr = []; var _n = true; var _d = false; var _e = undefined; try { for (var _i = arr[Symbol.iterator](), _s; !(_n = (_s = _i.next()).done); _n = true) { _arr.push(_s.value); if (i && _arr.length === i) break; } } catch (err) { _d = true; _e = err; } finally { try { if (!_n && _i["return"] != null) _i["return"](); } finally { if (_d) throw _e; } } return _arr; }
+
+function _arrayWithHoles(arr) { if (Array.isArray(arr)) return arr; }
+
+function getFilenameFromContentDispositionHeader(contentDisposition) {
+  var needsEncodingFixup = true;
+  var tmp = toParamRegExp('filename\\*', 'i').exec(contentDisposition);
+
+  if (tmp) {
+    tmp = tmp[1];
+    var filename = rfc2616unquote(tmp);
+    filename = unescape(filename);
+    filename = rfc5987decode(filename);
+    filename = rfc2047decode(filename);
+    return fixupEncoding(filename);
+  }
+
+  tmp = rfc2231getparam(contentDisposition);
+
+  if (tmp) {
+    var _filename = rfc2047decode(tmp);
+
+    return fixupEncoding(_filename);
+  }
+
+  tmp = toParamRegExp('filename', 'i').exec(contentDisposition);
+
+  if (tmp) {
+    tmp = tmp[1];
+
+    var _filename2 = rfc2616unquote(tmp);
+
+    _filename2 = rfc2047decode(_filename2);
+    return fixupEncoding(_filename2);
+  }
+
+  function toParamRegExp(attributePattern, flags) {
+    return new RegExp('(?:^|;)\\s*' + attributePattern + '\\s*=\\s*' + '(' + '[^";\\s][^;\\s]*' + '|' + '"(?:[^"\\\\]|\\\\"?)+"?' + ')', flags);
+  }
+
+  function textdecode(encoding, value) {
+    if (encoding) {
+      if (!/^[\x00-\xFF]+$/.test(value)) {
+        return value;
+      }
+
+      try {
+        var decoder = new TextDecoder(encoding, {
+          fatal: true
+        });
+        var bytes = Array.from(value, function (ch) {
+          return ch.charCodeAt(0) & 0xFF;
+        });
+        value = decoder.decode(new Uint8Array(bytes));
+        needsEncodingFixup = false;
+      } catch (e) {
+        if (/^utf-?8$/i.test(encoding)) {
+          try {
+            value = decodeURIComponent(escape(value));
+            needsEncodingFixup = false;
+          } catch (err) {}
+        }
+      }
+    }
+
+    return value;
+  }
+
+  function fixupEncoding(value) {
+    if (needsEncodingFixup && /[\x80-\xff]/.test(value)) {
+      value = textdecode('utf-8', value);
+
+      if (needsEncodingFixup) {
+        value = textdecode('iso-8859-1', value);
+      }
+    }
+
+    return value;
+  }
+
+  function rfc2231getparam(contentDisposition) {
+    var matches = [],
+        match;
+    var iter = toParamRegExp('filename\\*((?!0\\d)\\d+)(\\*?)', 'ig');
+
+    while ((match = iter.exec(contentDisposition)) !== null) {
+      var _match = match,
+          _match2 = _slicedToArray(_match, 4),
+          n = _match2[1],
+          quot = _match2[2],
+          part = _match2[3];
+
+      n = parseInt(n, 10);
+
+      if (n in matches) {
+        if (n === 0) {
+          break;
+        }
+
+        continue;
+      }
+
+      matches[n] = [quot, part];
+    }
+
+    var parts = [];
+
+    for (var n = 0; n < matches.length; ++n) {
+      if (!(n in matches)) {
+        break;
+      }
+
+      var _matches$n = _slicedToArray(matches[n], 2),
+          quot = _matches$n[0],
+          part = _matches$n[1];
+
+      part = rfc2616unquote(part);
+
+      if (quot) {
+        part = unescape(part);
+
+        if (n === 0) {
+          part = rfc5987decode(part);
+        }
+      }
+
+      parts.push(part);
+    }
+
+    return parts.join('');
+  }
+
+  function rfc2616unquote(value) {
+    if (value.startsWith('"')) {
+      var parts = value.slice(1).split('\\"');
+
+      for (var i = 0; i < parts.length; ++i) {
+        var quotindex = parts[i].indexOf('"');
+
+        if (quotindex !== -1) {
+          parts[i] = parts[i].slice(0, quotindex);
+          parts.length = i + 1;
+        }
+
+        parts[i] = parts[i].replace(/\\(.)/g, '$1');
+      }
+
+      value = parts.join('"');
+    }
+
+    return value;
+  }
+
+  function rfc5987decode(extvalue) {
+    var encodingend = extvalue.indexOf('\'');
+
+    if (encodingend === -1) {
+      return extvalue;
+    }
+
+    var encoding = extvalue.slice(0, encodingend);
+    var langvalue = extvalue.slice(encodingend + 1);
+    var value = langvalue.replace(/^[^']*'/, '');
+    return textdecode(encoding, value);
+  }
+
+  function rfc2047decode(value) {
+    if (!value.startsWith('=?') || /[\x00-\x19\x80-\xff]/.test(value)) {
+      return value;
+    }
+
+    return value.replace(/=\?([\w-]*)\?([QqBb])\?((?:[^?]|\?(?!=))*)\?=/g, function (_, charset, encoding, text) {
+      if (encoding === 'q' || encoding === 'Q') {
+        text = text.replace(/_/g, ' ');
+        text = text.replace(/=([0-9a-fA-F]{2})/g, function (_, hex) {
+          return String.fromCharCode(parseInt(hex, 16));
+        });
+        return textdecode(charset, text);
+      }
+
+      try {
+        text = atob(text);
+      } catch (e) {}
+
+      return textdecode(charset, text);
+    });
+  }
+
+  return '';
+}
+
+/***/ }),
+/* 168 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFNetworkStream = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(148));
+
+var _util = __w_pdfjs_require__(1);
+
+var _network_utils = __w_pdfjs_require__(166);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+;
+var OK_RESPONSE = 200;
+var PARTIAL_CONTENT_RESPONSE = 206;
+
+function getArrayBuffer(xhr) {
+  var data = xhr.response;
+
+  if (typeof data !== 'string') {
+    return data;
+  }
+
+  var array = (0, _util.stringToBytes)(data);
+  return array.buffer;
+}
+
+var NetworkManager =
+/*#__PURE__*/
+function () {
+  function NetworkManager(url, args) {
+    _classCallCheck(this, NetworkManager);
+
+    this.url = url;
+    args = args || {};
+    this.isHttp = /^https?:/i.test(url);
+    this.httpHeaders = this.isHttp && args.httpHeaders || {};
+    this.withCredentials = args.withCredentials || false;
+
+    this.getXhr = args.getXhr || function NetworkManager_getXhr() {
+      return new XMLHttpRequest();
+    };
+
+    this.currXhrId = 0;
+    this.pendingRequests = Object.create(null);
+  }
+
+  _createClass(NetworkManager, [{
+    key: "requestRange",
+    value: function requestRange(begin, end, listeners) {
+      var args = {
+        begin: begin,
+        end: end
+      };
+
+      for (var prop in listeners) {
+        args[prop] = listeners[prop];
+      }
+
+      return this.request(args);
+    }
+  }, {
+    key: "requestFull",
+    value: function requestFull(listeners) {
+      return this.request(listeners);
+    }
+  }, {
+    key: "request",
+    value: function request(args) {
+      var xhr = this.getXhr();
+      var xhrId = this.currXhrId++;
+      var pendingRequest = this.pendingRequests[xhrId] = {
+        xhr: xhr
+      };
+      xhr.open('GET', this.url);
+      xhr.withCredentials = this.withCredentials;
+
+      for (var property in this.httpHeaders) {
+        var value = this.httpHeaders[property];
+
+        if (typeof value === 'undefined') {
+          continue;
+        }
+
+        xhr.setRequestHeader(property, value);
+      }
+
+      if (this.isHttp && 'begin' in args && 'end' in args) {
+        xhr.setRequestHeader('Range', "bytes=".concat(args.begin, "-").concat(args.end - 1));
+        pendingRequest.expectedStatus = PARTIAL_CONTENT_RESPONSE;
+      } else {
+        pendingRequest.expectedStatus = OK_RESPONSE;
+      }
+
+      xhr.responseType = 'arraybuffer';
+
+      if (args.onError) {
+        xhr.onerror = function (evt) {
+          args.onError(xhr.status);
+        };
+      }
+
+      xhr.onreadystatechange = this.onStateChange.bind(this, xhrId);
+      xhr.onprogress = this.onProgress.bind(this, xhrId);
+      pendingRequest.onHeadersReceived = args.onHeadersReceived;
+      pendingRequest.onDone = args.onDone;
+      pendingRequest.onError = args.onError;
+      pendingRequest.onProgress = args.onProgress;
+      xhr.send(null);
+      return xhrId;
+    }
+  }, {
+    key: "onProgress",
+    value: function onProgress(xhrId, evt) {
+      var pendingRequest = this.pendingRequests[xhrId];
+
+      if (!pendingRequest) {
+        return;
+      }
+
+      if (pendingRequest.onProgress) {
+        pendingRequest.onProgress(evt);
+      }
+    }
+  }, {
+    key: "onStateChange",
+    value: function onStateChange(xhrId, evt) {
+      var pendingRequest = this.pendingRequests[xhrId];
+
+      if (!pendingRequest) {
+        return;
+      }
+
+      var xhr = pendingRequest.xhr;
+
+      if (xhr.readyState >= 2 && pendingRequest.onHeadersReceived) {
+        pendingRequest.onHeadersReceived();
+        delete pendingRequest.onHeadersReceived;
+      }
+
+      if (xhr.readyState !== 4) {
+        return;
+      }
+
+      if (!(xhrId in this.pendingRequests)) {
+        return;
+      }
+
+      delete this.pendingRequests[xhrId];
+
+      if (xhr.status === 0 && this.isHttp) {
+        if (pendingRequest.onError) {
+          pendingRequest.onError(xhr.status);
+        }
+
+        return;
+      }
+
+      var xhrStatus = xhr.status || OK_RESPONSE;
+      var ok_response_on_range_request = xhrStatus === OK_RESPONSE && pendingRequest.expectedStatus === PARTIAL_CONTENT_RESPONSE;
+
+      if (!ok_response_on_range_request && xhrStatus !== pendingRequest.expectedStatus) {
+        if (pendingRequest.onError) {
+          pendingRequest.onError(xhr.status);
+        }
+
+        return;
+      }
+
+      var chunk = getArrayBuffer(xhr);
+
+      if (xhrStatus === PARTIAL_CONTENT_RESPONSE) {
+        var rangeHeader = xhr.getResponseHeader('Content-Range');
+        var matches = /bytes (\d+)-(\d+)\/(\d+)/.exec(rangeHeader);
+        pendingRequest.onDone({
+          begin: parseInt(matches[1], 10),
+          chunk: chunk
+        });
+      } else if (chunk) {
+        pendingRequest.onDone({
+          begin: 0,
+          chunk: chunk
+        });
+      } else if (pendingRequest.onError) {
+        pendingRequest.onError(xhr.status);
+      }
+    }
+  }, {
+    key: "hasPendingRequests",
+    value: function hasPendingRequests() {
+      for (var xhrId in this.pendingRequests) {
+        return true;
+      }
+
+      return false;
+    }
+  }, {
+    key: "getRequestXhr",
+    value: function getRequestXhr(xhrId) {
+      return this.pendingRequests[xhrId].xhr;
+    }
+  }, {
+    key: "isPendingRequest",
+    value: function isPendingRequest(xhrId) {
+      return xhrId in this.pendingRequests;
+    }
+  }, {
+    key: "abortAllRequests",
+    value: function abortAllRequests() {
+      for (var xhrId in this.pendingRequests) {
+        this.abortRequest(xhrId | 0);
+      }
+    }
+  }, {
+    key: "abortRequest",
+    value: function abortRequest(xhrId) {
+      var xhr = this.pendingRequests[xhrId].xhr;
+      delete this.pendingRequests[xhrId];
+      xhr.abort();
+    }
+  }]);
+
+  return NetworkManager;
+}();
+
+var PDFNetworkStream =
+/*#__PURE__*/
+function () {
+  function PDFNetworkStream(source) {
+    _classCallCheck(this, PDFNetworkStream);
+
+    this._source = source;
+    this._manager = new NetworkManager(source.url, {
+      httpHeaders: source.httpHeaders,
+      withCredentials: source.withCredentials
+    });
+    this._rangeChunkSize = source.rangeChunkSize;
+    this._fullRequestReader = null;
+    this._rangeRequestReaders = [];
+  }
+
+  _createClass(PDFNetworkStream, [{
+    key: "_onRangeRequestReaderClosed",
+    value: function _onRangeRequestReaderClosed(reader) {
+      var i = this._rangeRequestReaders.indexOf(reader);
+
+      if (i >= 0) {
+        this._rangeRequestReaders.splice(i, 1);
+      }
+    }
+  }, {
+    key: "getFullReader",
+    value: function getFullReader() {
+      (0, _util.assert)(!this._fullRequestReader);
+      this._fullRequestReader = new PDFNetworkStreamFullRequestReader(this._manager, this._source);
+      return this._fullRequestReader;
+    }
+  }, {
+    key: "getRangeReader",
+    value: function getRangeReader(begin, end) {
+      var reader = new PDFNetworkStreamRangeRequestReader(this._manager, begin, end);
+      reader.onClosed = this._onRangeRequestReaderClosed.bind(this);
+
+      this._rangeRequestReaders.push(reader);
+
+      return reader;
+    }
+  }, {
+    key: "cancelAllRequests",
+    value: function cancelAllRequests(reason) {
+      if (this._fullRequestReader) {
+        this._fullRequestReader.cancel(reason);
+      }
+
+      var readers = this._rangeRequestReaders.slice(0);
+
+      readers.forEach(function (reader) {
+        reader.cancel(reason);
+      });
+    }
+  }]);
+
+  return PDFNetworkStream;
+}();
+
+exports.PDFNetworkStream = PDFNetworkStream;
+
+var PDFNetworkStreamFullRequestReader =
+/*#__PURE__*/
+function () {
+  function PDFNetworkStreamFullRequestReader(manager, source) {
+    _classCallCheck(this, PDFNetworkStreamFullRequestReader);
+
+    this._manager = manager;
+    var args = {
+      onHeadersReceived: this._onHeadersReceived.bind(this),
+      onDone: this._onDone.bind(this),
+      onError: this._onError.bind(this),
+      onProgress: this._onProgress.bind(this)
+    };
+    this._url = source.url;
+    this._fullRequestId = manager.requestFull(args);
+    this._headersReceivedCapability = (0, _util.createPromiseCapability)();
+    this._disableRange = source.disableRange || false;
+    this._contentLength = source.length;
+    this._rangeChunkSize = source.rangeChunkSize;
+
+    if (!this._rangeChunkSize && !this._disableRange) {
+      this._disableRange = true;
+    }
+
+    this._isStreamingSupported = false;
+    this._isRangeSupported = false;
+    this._cachedChunks = [];
+    this._requests = [];
+    this._done = false;
+    this._storedError = undefined;
+    this._filename = null;
+    this.onProgress = null;
+  }
+
+  _createClass(PDFNetworkStreamFullRequestReader, [{
+    key: "_onHeadersReceived",
+    value: function _onHeadersReceived() {
+      var fullRequestXhrId = this._fullRequestId;
+
+      var fullRequestXhr = this._manager.getRequestXhr(fullRequestXhrId);
+
+      var getResponseHeader = function getResponseHeader(name) {
+        return fullRequestXhr.getResponseHeader(name);
+      };
+
+      var _validateRangeRequest = (0, _network_utils.validateRangeRequestCapabilities)({
+        getResponseHeader: getResponseHeader,
+        isHttp: this._manager.isHttp,
+        rangeChunkSize: this._rangeChunkSize,
+        disableRange: this._disableRange
+      }),
+          allowRangeRequests = _validateRangeRequest.allowRangeRequests,
+          suggestedLength = _validateRangeRequest.suggestedLength;
+
+      if (allowRangeRequests) {
+        this._isRangeSupported = true;
+      }
+
+      this._contentLength = suggestedLength || this._contentLength;
+      this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
+
+      if (this._isRangeSupported) {
+        this._manager.abortRequest(fullRequestXhrId);
+      }
+
+      this._headersReceivedCapability.resolve();
+    }
+  }, {
+    key: "_onDone",
+    value: function _onDone(args) {
+      if (args) {
+        if (this._requests.length > 0) {
+          var requestCapability = this._requests.shift();
+
+          requestCapability.resolve({
+            value: args.chunk,
+            done: false
+          });
+        } else {
+          this._cachedChunks.push(args.chunk);
+        }
+      }
+
+      this._done = true;
+
+      if (this._cachedChunks.length > 0) {
+        return;
+      }
+
+      this._requests.forEach(function (requestCapability) {
+        requestCapability.resolve({
+          value: undefined,
+          done: true
+        });
+      });
+
+      this._requests = [];
+    }
+  }, {
+    key: "_onError",
+    value: function _onError(status) {
+      var url = this._url;
+      var exception = (0, _network_utils.createResponseStatusError)(status, url);
+      this._storedError = exception;
+
+      this._headersReceivedCapability.reject(exception);
+
+      this._requests.forEach(function (requestCapability) {
+        requestCapability.reject(exception);
+      });
+
+      this._requests = [];
+      this._cachedChunks = [];
+    }
+  }, {
+    key: "_onProgress",
+    value: function _onProgress(data) {
+      if (this.onProgress) {
+        this.onProgress({
+          loaded: data.loaded,
+          total: data.lengthComputable ? data.total : this._contentLength
+        });
+      }
+    }
+  }, {
+    key: "read",
+    value: function () {
+      var _read = _asyncToGenerator(
+      /*#__PURE__*/
+      _regenerator["default"].mark(function _callee() {
+        var chunk, requestCapability;
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                if (!this._storedError) {
+                  _context.next = 2;
+                  break;
+                }
+
+                throw this._storedError;
+
+              case 2:
+                if (!(this._cachedChunks.length > 0)) {
+                  _context.next = 5;
+                  break;
+                }
+
+                chunk = this._cachedChunks.shift();
+                return _context.abrupt("return", {
+                  value: chunk,
+                  done: false
+                });
+
+              case 5:
+                if (!this._done) {
+                  _context.next = 7;
+                  break;
+                }
+
+                return _context.abrupt("return", {
+                  value: undefined,
+                  done: true
+                });
+
+              case 7:
+                requestCapability = (0, _util.createPromiseCapability)();
+
+                this._requests.push(requestCapability);
+
+                return _context.abrupt("return", requestCapability.promise);
+
+              case 10:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee, this);
+      }));
+
+      function read() {
+        return _read.apply(this, arguments);
+      }
+
+      return read;
+    }()
+  }, {
+    key: "cancel",
+    value: function cancel(reason) {
+      this._done = true;
+
+      this._headersReceivedCapability.reject(reason);
+
+      this._requests.forEach(function (requestCapability) {
+        requestCapability.resolve({
+          value: undefined,
+          done: true
+        });
+      });
+
+      this._requests = [];
+
+      if (this._manager.isPendingRequest(this._fullRequestId)) {
+        this._manager.abortRequest(this._fullRequestId);
+      }
+
+      this._fullRequestReader = null;
+    }
+  }, {
+    key: "filename",
+    get: function get() {
+      return this._filename;
+    }
+  }, {
+    key: "isRangeSupported",
+    get: function get() {
+      return this._isRangeSupported;
+    }
+  }, {
+    key: "isStreamingSupported",
+    get: function get() {
+      return this._isStreamingSupported;
+    }
+  }, {
+    key: "contentLength",
+    get: function get() {
+      return this._contentLength;
+    }
+  }, {
+    key: "headersReady",
+    get: function get() {
+      return this._headersReceivedCapability.promise;
+    }
+  }]);
+
+  return PDFNetworkStreamFullRequestReader;
+}();
+
+var PDFNetworkStreamRangeRequestReader =
+/*#__PURE__*/
+function () {
+  function PDFNetworkStreamRangeRequestReader(manager, begin, end) {
+    _classCallCheck(this, PDFNetworkStreamRangeRequestReader);
+
+    this._manager = manager;
+    var args = {
+      onDone: this._onDone.bind(this),
+      onProgress: this._onProgress.bind(this)
+    };
+    this._requestId = manager.requestRange(begin, end, args);
+    this._requests = [];
+    this._queuedChunk = null;
+    this._done = false;
+    this.onProgress = null;
+    this.onClosed = null;
+  }
+
+  _createClass(PDFNetworkStreamRangeRequestReader, [{
+    key: "_close",
+    value: function _close() {
+      if (this.onClosed) {
+        this.onClosed(this);
+      }
+    }
+  }, {
+    key: "_onDone",
+    value: function _onDone(data) {
+      var chunk = data.chunk;
+
+      if (this._requests.length > 0) {
+        var requestCapability = this._requests.shift();
+
+        requestCapability.resolve({
+          value: chunk,
+          done: false
+        });
+      } else {
+        this._queuedChunk = chunk;
+      }
+
+      this._done = true;
+
+      this._requests.forEach(function (requestCapability) {
+        requestCapability.resolve({
+          value: undefined,
+          done: true
+        });
+      });
+
+      this._requests = [];
+
+      this._close();
+    }
+  }, {
+    key: "_onProgress",
+    value: function _onProgress(evt) {
+      if (!this.isStreamingSupported && this.onProgress) {
+        this.onProgress({
+          loaded: evt.loaded
+        });
+      }
+    }
+  }, {
+    key: "read",
+    value: function () {
+      var _read2 = _asyncToGenerator(
+      /*#__PURE__*/
+      _regenerator["default"].mark(function _callee2() {
+        var chunk, requestCapability;
+        return _regenerator["default"].wrap(function _callee2$(_context2) {
+          while (1) {
+            switch (_context2.prev = _context2.next) {
+              case 0:
+                if (!(this._queuedChunk !== null)) {
+                  _context2.next = 4;
+                  break;
+                }
+
+                chunk = this._queuedChunk;
+                this._queuedChunk = null;
+                return _context2.abrupt("return", {
+                  value: chunk,
+                  done: false
+                });
+
+              case 4:
+                if (!this._done) {
+                  _context2.next = 6;
+                  break;
+                }
+
+                return _context2.abrupt("return", {
+                  value: undefined,
+                  done: true
+                });
+
+              case 6:
+                requestCapability = (0, _util.createPromiseCapability)();
+
+                this._requests.push(requestCapability);
+
+                return _context2.abrupt("return", requestCapability.promise);
+
+              case 9:
+              case "end":
+                return _context2.stop();
+            }
+          }
+        }, _callee2, this);
+      }));
+
+      function read() {
+        return _read2.apply(this, arguments);
+      }
+
+      return read;
+    }()
+  }, {
+    key: "cancel",
+    value: function cancel(reason) {
+      this._done = true;
+
+      this._requests.forEach(function (requestCapability) {
+        requestCapability.resolve({
+          value: undefined,
+          done: true
+        });
+      });
+
+      this._requests = [];
+
+      if (this._manager.isPendingRequest(this._requestId)) {
+        this._manager.abortRequest(this._requestId);
+      }
+
+      this._close();
+    }
+  }, {
+    key: "isStreamingSupported",
+    get: function get() {
+      return false;
+    }
+  }]);
+
+  return PDFNetworkStreamRangeRequestReader;
+}();
+
+/***/ }),
+/* 169 */
+/***/ (function(module, exports, __w_pdfjs_require__) {
+
+"use strict";
+
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.PDFFetchStream = void 0;
+
+var _regenerator = _interopRequireDefault(__w_pdfjs_require__(148));
+
+var _util = __w_pdfjs_require__(1);
+
+var _network_utils = __w_pdfjs_require__(166);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
+
+function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
+
+function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
+
+function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
+
+function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
+
+function createFetchOptions(headers, withCredentials, abortController) {
+  return {
+    method: 'GET',
+    headers: headers,
+    signal: abortController && abortController.signal,
+    mode: 'cors',
+    credentials: withCredentials ? 'include' : 'same-origin',
+    redirect: 'follow'
+  };
+}
+
+var PDFFetchStream =
+/*#__PURE__*/
+function () {
+  function PDFFetchStream(source) {
+    _classCallCheck(this, PDFFetchStream);
+
+    this.source = source;
+    this.isHttp = /^https?:/i.test(source.url);
+    this.httpHeaders = this.isHttp && source.httpHeaders || {};
+    this._fullRequestReader = null;
+    this._rangeRequestReaders = [];
+  }
+
+  _createClass(PDFFetchStream, [{
+    key: "getFullReader",
+    value: function getFullReader() {
+      (0, _util.assert)(!this._fullRequestReader);
+      this._fullRequestReader = new PDFFetchStreamReader(this);
+      return this._fullRequestReader;
+    }
+  }, {
+    key: "getRangeReader",
+    value: function getRangeReader(begin, end) {
+      if (end <= this._progressiveDataLength) {
+        return null;
+      }
+
+      var reader = new PDFFetchStreamRangeReader(this, begin, end);
+
+      this._rangeRequestReaders.push(reader);
+
+      return reader;
+    }
+  }, {
+    key: "cancelAllRequests",
+    value: function cancelAllRequests(reason) {
+      if (this._fullRequestReader) {
+        this._fullRequestReader.cancel(reason);
+      }
+
+      var readers = this._rangeRequestReaders.slice(0);
+
+      readers.forEach(function (reader) {
+        reader.cancel(reason);
+      });
+    }
+  }, {
+    key: "_progressiveDataLength",
+    get: function get() {
+      return this._fullRequestReader ? this._fullRequestReader._loaded : 0;
+    }
+  }]);
+
+  return PDFFetchStream;
+}();
+
+exports.PDFFetchStream = PDFFetchStream;
+
+var PDFFetchStreamReader =
+/*#__PURE__*/
+function () {
+  function PDFFetchStreamReader(stream) {
+    var _this = this;
+
+    _classCallCheck(this, PDFFetchStreamReader);
+
+    this._stream = stream;
+    this._reader = null;
+    this._loaded = 0;
+    this._filename = null;
+    var source = stream.source;
+    this._withCredentials = source.withCredentials || false;
+    this._contentLength = source.length;
+    this._headersCapability = (0, _util.createPromiseCapability)();
+    this._disableRange = source.disableRange || false;
+    this._rangeChunkSize = source.rangeChunkSize;
+
+    if (!this._rangeChunkSize && !this._disableRange) {
+      this._disableRange = true;
+    }
+
+    if (typeof AbortController !== 'undefined') {
+      this._abortController = new AbortController();
+    }
+
+    this._isStreamingSupported = !source.disableStream;
+    this._isRangeSupported = !source.disableRange;
+    this._headers = new Headers();
+
+    for (var property in this._stream.httpHeaders) {
+      var value = this._stream.httpHeaders[property];
+
+      if (typeof value === 'undefined') {
+        continue;
+      }
+
+      this._headers.append(property, value);
+    }
+
+    var url = source.url;
+    fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(function (response) {
+      if (!(0, _network_utils.validateResponseStatus)(response.status)) {
+        throw (0, _network_utils.createResponseStatusError)(response.status, url);
+      }
+
+      _this._reader = response.body.getReader();
+
+      _this._headersCapability.resolve();
+
+      var getResponseHeader = function getResponseHeader(name) {
+        return response.headers.get(name);
+      };
+
+      var _validateRangeRequest = (0, _network_utils.validateRangeRequestCapabilities)({
+        getResponseHeader: getResponseHeader,
+        isHttp: _this._stream.isHttp,
+        rangeChunkSize: _this._rangeChunkSize,
+        disableRange: _this._disableRange
+      }),
+          allowRangeRequests = _validateRangeRequest.allowRangeRequests,
+          suggestedLength = _validateRangeRequest.suggestedLength;
+
+      _this._isRangeSupported = allowRangeRequests;
+      _this._contentLength = suggestedLength || _this._contentLength;
+      _this._filename = (0, _network_utils.extractFilenameFromHeader)(getResponseHeader);
+
+      if (!_this._isStreamingSupported && _this._isRangeSupported) {
+        _this.cancel(new _util.AbortException('Streaming is disabled.'));
+      }
+    })["catch"](this._headersCapability.reject);
+    this.onProgress = null;
+  }
+
+  _createClass(PDFFetchStreamReader, [{
+    key: "read",
+    value: function () {
+      var _read = _asyncToGenerator(
+      /*#__PURE__*/
+      _regenerator["default"].mark(function _callee() {
+        var _ref, value, done, buffer;
+
+        return _regenerator["default"].wrap(function _callee$(_context) {
+          while (1) {
+            switch (_context.prev = _context.next) {
+              case 0:
+                _context.next = 2;
+                return this._headersCapability.promise;
+
+              case 2:
+                _context.next = 4;
+                return this._reader.read();
+
+              case 4:
+                _ref = _context.sent;
+                value = _ref.value;
+                done = _ref.done;
+
+                if (!done) {
+                  _context.next = 9;
+                  break;
+                }
+
+                return _context.abrupt("return", {
+                  value: value,
+                  done: done
+                });
+
+              case 9:
+                this._loaded += value.byteLength;
+
+                if (this.onProgress) {
+                  this.onProgress({
+                    loaded: this._loaded,
+                    total: this._contentLength
+                  });
+                }
+
+                buffer = new Uint8Array(value).buffer;
+                return _context.abrupt("return", {
+                  value: buffer,
+                  done: false
+                });
+
+              case 13:
+              case "end":
+                return _context.stop();
+            }
+          }
+        }, _callee, this);
+      }));
+
+      function read() {
+        return _read.apply(this, arguments);
+      }
+
+      return read;
+    }()
+  }, {
+    key: "cancel",
+    value: function cancel(reason) {
+      if (this._reader) {
+        this._reader.cancel(reason);
+      }
+
+      if (this._abortController) {
+        this._abortController.abort();
+      }
+    }
+  }, {
+    key: "headersReady",
+    get: function get() {
+      return this._headersCapability.promise;
+    }
+  }, {
+    key: "filename",
+    get: function get() {
+      return this._filename;
+    }
+  }, {
+    key: "contentLength",
+    get: function get() {
+      return this._contentLength;
+    }
+  }, {
+    key: "isRangeSupported",
+    get: function get() {
+      return this._isRangeSupported;
+    }
+  }, {
+    key: "isStreamingSupported",
+    get: function get() {
+      return this._isStreamingSupported;
+    }
+  }]);
+
+  return PDFFetchStreamReader;
+}();
+
+var PDFFetchStreamRangeReader =
+/*#__PURE__*/
+function () {
+  function PDFFetchStreamRangeReader(stream, begin, end) {
+    var _this2 = this;
+
+    _classCallCheck(this, PDFFetchStreamRangeReader);
+
+    this._stream = stream;
+    this._reader = null;
+    this._loaded = 0;
+    var source = stream.source;
+    this._withCredentials = source.withCredentials || false;
+    this._readCapability = (0, _util.createPromiseCapability)();
+    this._isStreamingSupported = !source.disableStream;
+
+    if (typeof AbortController !== 'undefined') {
+      this._abortController = new AbortController();
+    }
+
+    this._headers = new Headers();
+
+    for (var property in this._stream.httpHeaders) {
+      var value = this._stream.httpHeaders[property];
+
+      if (typeof value === 'undefined') {
+        continue;
+      }
+
+      this._headers.append(property, value);
+    }
+
+    this._headers.append('Range', "bytes=".concat(begin, "-").concat(end - 1));
+
+    var url = source.url;
+    fetch(url, createFetchOptions(this._headers, this._withCredentials, this._abortController)).then(function (response) {
+      if (!(0, _network_utils.validateResponseStatus)(response.status)) {
+        throw (0, _network_utils.createResponseStatusError)(response.status, url);
+      }
+
+      _this2._readCapability.resolve();
+
+      _this2._reader = response.body.getReader();
+    });
+    this.onProgress = null;
+  }
+
+  _createClass(PDFFetchStreamRangeReader, [{
+    key: "read",
+    value: function () {
+      var _read2 = _asyncToGenerator(
+      /*#__PURE__*/
+      _regenerator["default"].mark(function _callee2() {
+        var _ref2, value, done, buffer;
+
+        return _regenerator["default"].wrap(function _callee2$(_context2) {
+          while (1) {
+            switch (_context2.prev = _context2.next) {
+              case 0:
+                _context2.next = 2;
+                return this._readCapability.promise;
+
+              case 2:
+                _context2.next = 4;
+                return this._reader.read();
+
+              case 4:
+                _ref2 = _context2.sent;
+                value = _ref2.value;
+                done = _ref2.done;
+
+                if (!done) {
+                  _context2.next = 9;
+                  break;
+                }
+
+                return _context2.abrupt("return", {
+                  value: value,
+                  done: done
+                });
+
+              case 9:
+                this._loaded += value.byteLength;
+
+                if (this.onProgress) {
+                  this.onProgress({
+                    loaded: this._loaded
+                  });
+                }
+
+                buffer = new Uint8Array(value).buffer;
+                return _context2.abrupt("return", {
+                  value: buffer,
+                  done: false
+                });
+
+              case 13:
+              case "end":
+                return _context2.stop();
+            }
+          }
+        }, _callee2, this);
+      }));
+
+      function read() {
+        return _read2.apply(this, arguments);
+      }
+
+      return read;
+    }()
+  }, {
+    key: "cancel",
+    value: function cancel(reason) {
+      if (this._reader) {
+        this._reader.cancel(reason);
+      }
+
+      if (this._abortController) {
+        this._abortController.abort();
+      }
+    }
+  }, {
+    key: "isStreamingSupported",
+    get: function get() {
+      return this._isStreamingSupported;
+    }
+  }]);
+
+  return PDFFetchStreamRangeReader;
+}();
+
+/***/ })
+/******/ ]);
+});
+//# sourceMappingURL=pdf.js.map
+\ No newline at end of file
author	stephanchrst <stephanchrst@gmail.com>	2022-05-10 21:51:50 +0700
committer	stephanchrst <stephanchrst@gmail.com>	2022-05-10 21:51:50 +0700
commit	3751379f1e9a4c215fb6eb898b4ccc67659b9ace (patch)
tree	a44932296ef4a9b71d5f010906253d8c53727726 /addons/web/static/lib/pdfjs/build/pdf.js
parent	0a15094050bfde69a06d6eff798e9a8ddf2b8c21 (diff)