https://buero.io/js/polyfills.js?version=2.13.2-1770716293

1/*
2 * Safari and Edge polyfill for createImageBitmap
3 * https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/createImageBitmap
4 *
5 * Support source image types Blob and ImageData.
6 *
7 * From: https://dev.to/nektro/createimagebitmap-polyfill-for-safari-and-edge-228
8 * Updated by Yoan Tournade <[email protected]>
9 */
10if (!('createImageBitmap' in window)) {
11	  window.createImageBitmap = async function (data) {
12		    return new Promise((resolve,reject) => {
13			      let dataURL;
14			      if (data instanceof Blob) {
15				        dataURL = URL.createObjectURL(data);
16			      } else if (data instanceof ImageData) {
17				        const canvas = document.createElement('canvas');
18				        const ctx = canvas.getContext('2d');
19				        canvas.width = data.width;
20				        canvas.height = data.height;
21				        ctx.putImageData(data,0,0);
22				        dataURL = canvas.toDataURL();
23			      } else {
24				        throw new Error('createImageBitmap does not handle the provided image source type');
25			      }
26			      const img = document.createElement('img');
27			      img.addEventListener('load',function () {
28				        resolve(this);
29			      });
30			      img.src = dataURL;
31		    });
32	  };
33}
34
35if (!('dynamicImport' in globalThis)) {
36  globalThis.dynamicImport = function(uri) {
37    return import(uri);
38  }
39};
40
41var global = globalThis;
42
43/*
44  MIT License
45
46Copyright (c) 2021 Tobias Buschor
47
48Permission is hereby granted, free of charge, to any person obtaining a copy
49of this software and associated documentation files (the "Software"), to deal
50in the Software without restriction, including without limitation the rights
51to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
52copies of the Software, and to permit persons to whom the Software is
53furnished to do so, subject to the following conditions:
54
55The above copyright notice and this permission notice shall be included in all
56copies or substantial portions of the Software.
57
58THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
59IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
60FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
61AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
62LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
63OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
64SOFTWARE.
65*/
66
67// Polyfill for `scrollIntoViewIfNeeded` function not existing in Firefox.
68// https://github.com/nuxodin/lazyfill
69
70
71;(function() {
72  if (!Element.prototype.scrollIntoViewIfNeeded) {
73    Element.prototype.scrollIntoViewIfNeeded = function ( centerIfNeeded = true ) {
74      const el = this;
75      new IntersectionObserver( function( [entry] ) {
76        const ratio = entry.intersectionRatio;
77        if (ratio < 1) {
78          let place = ratio <= 0 && centerIfNeeded ? 'center' : 'nearest';
79          el.scrollIntoView( {
80            block: place,
81            inline: place,
82          } );
83        }
84        this.disconnect();
85      } ).observe(this);
86    };
87  }
88})()