Update poylfills (fixes #662)

This commit is contained in:
Thibaut Girka 2018-08-23 22:02:42 +02:00 committed by ThibG
parent fce248810b
commit 478f70a0e6
3 changed files with 41 additions and 3 deletions

View file

@ -0,0 +1,10 @@
export const decode = base64 => {
const rawData = window.atob(base64);
const outputArray = new Uint8Array(rawData.length);
for (let i = 0; i < rawData.length; ++i) {
outputArray[i] = rawData.charCodeAt(i);
}
return outputArray;
};

View file

@ -3,7 +3,9 @@ import 'intl/locale-data/jsonp/en';
import 'es6-symbol/implement';
import includes from 'array-includes';
import assign from 'object-assign';
import values from 'object.values';
import isNaN from 'is-nan';
import { decode as decodeBase64 } from './base64';
if (!Array.prototype.includes) {
includes.shim();
@ -13,6 +15,30 @@ if (!Object.assign) {
Object.assign = assign;
}
if (!Object.values) {
values.shim();
}
if (!Number.isNaN) {
Number.isNaN = isNaN;
}
if (!HTMLCanvasElement.prototype.toBlob) {
const BASE64_MARKER = ';base64,';
Object.defineProperty(HTMLCanvasElement.prototype, 'toBlob', {
value(callback, type = 'image/png', quality) {
const dataURL = this.toDataURL(type, quality);
let data;
if (dataURL.indexOf(BASE64_MARKER) >= 0) {
const [, base64] = dataURL.split(BASE64_MARKER);
data = decodeBase64(base64);
} else {
[, data] = dataURL.split(',');
}
callback(new Blob([data], { type }));
},
});
}

View file

@ -12,11 +12,13 @@ function importExtraPolyfills() {
function loadPolyfills() {
const needsBasePolyfills = !(
Array.prototype.includes &&
HTMLCanvasElement.prototype.toBlob &&
window.Intl &&
Object.assign &&
Number.isNaN &&
window.Symbol &&
Array.prototype.includes
Object.assign &&
Object.values &&
window.Symbol
);
// Latest version of Firefox and Safari do not have IntersectionObserver.