WordPress/wp-includes/js/dist/blob.js

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/************************************************************************/
var __webpack_exports__ = {};
__webpack_require__.r(__webpack_exports__);
/* harmony export */ __webpack_require__.d(__webpack_exports__, {
/* harmony export */   "createBlobURL": function() { return /* binding */ createBlobURL; },
/* harmony export */   "getBlobByURL": function() { return /* binding */ getBlobByURL; },
/* harmony export */   "getBlobTypeByURL": function() { return /* binding */ getBlobTypeByURL; },
/* harmony export */   "isBlobURL": function() { return /* binding */ isBlobURL; },
/* harmony export */   "revokeBlobURL": function() { return /* binding */ revokeBlobURL; }
/* harmony export */ });
/**
 * @type {Record<string, File|undefined>}
 */
const cache = {};
/**
 * Create a blob URL from a file.
 *
 * @param {File} file The file to create a blob URL for.
 *
 * @return {string} The blob URL.
 */

function createBlobURL(file) {
  const url = window.URL.createObjectURL(file);
  cache[url] = file;
  return url;
}
/**
 * Retrieve a file based on a blob URL. The file must have been created by
 * `createBlobURL` and not removed by `revokeBlobURL`, otherwise it will return
 * `undefined`.
 *
 * @param {string} url The blob URL.
 *
 * @return {File|undefined} The file for the blob URL.
 */

function getBlobByURL(url) {
  return cache[url];
}
/**
 * Retrieve a blob type based on URL. The file must have been created by
 * `createBlobURL` and not removed by `revokeBlobURL`, otherwise it will return
 * `undefined`.
 *
 * @param {string} url The blob URL.
 *
 * @return {string|undefined} The blob type.
 */

function getBlobTypeByURL(url) {
  var _getBlobByURL;

  return (_getBlobByURL = getBlobByURL(url)) === null || _getBlobByURL === void 0 ? void 0 : _getBlobByURL.type.split('/')[0]; // 0: media type , 1: file extension eg ( type: 'image/jpeg' ).
}
/**
 * Remove the resource and file cache from memory.
 *
 * @param {string} url The blob URL.
 */

function revokeBlobURL(url) {
  if (cache[url]) {
    window.URL.revokeObjectURL(url);
  }

  delete cache[url];
}
/**
 * Check whether a url is a blob url.
 *
 * @param {string} url The URL.
 *
 * @return {boolean} Is the url a blob url?
 */

function isBlobURL(url) {
  if (!url || !url.indexOf) {
    return false;
  }

  return url.indexOf('blob:') === 0;
}

(window.wp = window.wp || {}).blob = __webpack_exports__;
/******/ })()
;