1 files changed, 42 insertions, 0 deletions
diff --git a/addons/web/static/src/js/component_extension.js b/addons/web/static/src/js/component_extension.js
new file mode 100644
index 00000000..4edaee80
--- /dev/null
+++ b/addons/web/static/src/js/component_extension.js
@@ -0,0 +1,42 @@
+(function () {
+    /**
+     * Symbol used in ComponentWrapper to redirect Owl events to Odoo legacy
+     * events.
+     */
+    odoo.widgetSymbol = Symbol('widget');
+
+    /**
+     * Add a new method to owl Components to ensure that no performed RPC is
+     * resolved/rejected when the component is destroyed.
+     */
+    owl.Component.prototype.rpc = function () {
+        return new Promise((resolve, reject) => {
+            return this.env.services.rpc(...arguments)
+                .then(result => {
+                    if (this.__owl__.status !== 5 /* not destroyed */) {
+                        resolve(result);
+                    }
+                })
+                .catch(reason => {
+                    if (this.__owl__.status !== 5) /* not destroyed */ {
+                        reject(reason);
+                    }
+                });
+        });
+    };
+
+    /**
+     * Patch owl.Component.__trigger method to call a hook that adds a listener
+     * for the triggered event just before triggering it. This is useful if
+     * there are legacy widgets in the ancestors. In that case, there would be
+     * a widgetSymbol key in the environment, corresponding to the hook to call
+     * (see ComponentWrapper).
+     */
+    const originalTrigger = owl.Component.prototype.__trigger;
+    owl.Component.prototype.__trigger = function (component, evType, payload) {
+        if (this.env[odoo.widgetSymbol]) {
+            this.env[odoo.widgetSymbol](evType);
+        }
+        originalTrigger.call(this, component, evType, payload);
+    };
+})();