/**
 * Converts a File object to base64 string using FileReader.
 *
 * @param {File} file - The File object to be converted.
 * @returns {Promise<string>} - A Promise that resolves with the base64 string
 * representing the contents of the File, or rejects with an error if there's
 * any issue with the file reading process.
 */
const getFileBase64 = (file) => {
  return new Promise((resolve, reject) => {
    let reader = new FileReader()
    reader.readAsBinaryString(file)
    reader.onload = () => {
      let result = reader.result
      resolve(btoa(result))
    }
    reader.onerror = (error) => reject(error)
  })
}

export default getFileBase64