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   1  /******/ (function() { // webpackBootstrap
   2  /******/     "use strict";
   3  /******/     // The require scope
   4  /******/     var __webpack_require__ = {};
   5  /******/     
   6  /************************************************************************/
   7  /******/     /* webpack/runtime/define property getters */
   8  /******/     !function() {
   9  /******/         // define getter functions for harmony exports
  10  /******/         __webpack_require__.d = function(exports, definition) {
  11  /******/             for(var key in definition) {
  12  /******/                 if(__webpack_require__.o(definition, key) && !__webpack_require__.o(exports, key)) {
  13  /******/                     Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });
  14  /******/                 }
  15  /******/             }
  16  /******/         };
  17  /******/     }();
  18  /******/     
  19  /******/     /* webpack/runtime/hasOwnProperty shorthand */
  20  /******/     !function() {
  21  /******/         __webpack_require__.o = function(obj, prop) { return Object.prototype.hasOwnProperty.call(obj, prop); }
  22  /******/     }();
  23  /******/     
  24  /******/     /* webpack/runtime/make namespace object */
  25  /******/     !function() {
  26  /******/         // define __esModule on exports
  27  /******/         __webpack_require__.r = function(exports) {
  28  /******/             if(typeof Symbol !== 'undefined' && Symbol.toStringTag) {
  29  /******/                 Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });
  30  /******/             }
  31  /******/             Object.defineProperty(exports, '__esModule', { value: true });
  32  /******/         };
  33  /******/     }();
  34  /******/     
  35  /************************************************************************/
  36  var __webpack_exports__ = {};
  37  __webpack_require__.r(__webpack_exports__);
  38  /* harmony export */ __webpack_require__.d(__webpack_exports__, {
  39  /* harmony export */   "createBlobURL": function() { return /* binding */ createBlobURL; },
  40  /* harmony export */   "getBlobByURL": function() { return /* binding */ getBlobByURL; },
  41  /* harmony export */   "getBlobTypeByURL": function() { return /* binding */ getBlobTypeByURL; },
  42  /* harmony export */   "isBlobURL": function() { return /* binding */ isBlobURL; },
  43  /* harmony export */   "revokeBlobURL": function() { return /* binding */ revokeBlobURL; }
  44  /* harmony export */ });
  45  /**
  46   * Browser dependencies
  47   */
  48  const {
  49    createObjectURL,
  50    revokeObjectURL
  51  } = window.URL;
  52  /**
  53   * @type {Record<string, File|undefined>}
  54   */
  55  
  56  const cache = {};
  57  /**
  58   * Create a blob URL from a file.
  59   *
  60   * @param {File} file The file to create a blob URL for.
  61   *
  62   * @return {string} The blob URL.
  63   */
  64  
  65  function createBlobURL(file) {
  66    const url = createObjectURL(file);
  67    cache[url] = file;
  68    return url;
  69  }
  70  /**
  71   * Retrieve a file based on a blob URL. The file must have been created by
  72   * `createBlobURL` and not removed by `revokeBlobURL`, otherwise it will return
  73   * `undefined`.
  74   *
  75   * @param {string} url The blob URL.
  76   *
  77   * @return {File|undefined} The file for the blob URL.
  78   */
  79  
  80  function getBlobByURL(url) {
  81    return cache[url];
  82  }
  83  /**
  84   * Retrieve a blob type based on URL. The file must have been created by
  85   * `createBlobURL` and not removed by `revokeBlobURL`, otherwise it will return
  86   * `undefined`.
  87   *
  88   * @param {string} url The blob URL.
  89   *
  90   * @return {string|undefined} The blob type.
  91   */
  92  
  93  function getBlobTypeByURL(url) {
  94    var _getBlobByURL;
  95  
  96    return (_getBlobByURL = getBlobByURL(url)) === null || _getBlobByURL === void 0 ? void 0 : _getBlobByURL.type.split('/')[0]; // 0: media type , 1: file extension eg ( type: 'image/jpeg' ).
  97  }
  98  /**
  99   * Remove the resource and file cache from memory.
 100   *
 101   * @param {string} url The blob URL.
 102   */
 103  
 104  function revokeBlobURL(url) {
 105    if (cache[url]) {
 106      revokeObjectURL(url);
 107    }
 108  
 109    delete cache[url];
 110  }
 111  /**
 112   * Check whether a url is a blob url.
 113   *
 114   * @param {string} url The URL.
 115   *
 116   * @return {boolean} Is the url a blob url?
 117   */
 118  
 119  function isBlobURL(url) {
 120    if (!url || !url.indexOf) {
 121      return false;
 122    }
 123  
 124    return url.indexOf('blob:') === 0;
 125  }
 126  
 127  (window.wp = window.wp || {}).blob = __webpack_exports__;
 128  /******/ })()
 129  ;