soapbox/app/soapbox/base-polyfills.ts

51 wiersze
1.1 KiB
TypeScript

'use strict';
import 'intl';
import 'intl/locale-data/jsonp/en';
import 'es6-symbol/implement';
// @ts-ignore: No types
import includes from 'array-includes';
// @ts-ignore: No types
import isNaN from 'is-nan';
import assign from 'object-assign';
// @ts-ignore: No types
import values from 'object.values';
import { decode as decodeBase64 } from './utils/base64';
if (!Array.prototype.includes) {
includes.shim();
}
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: any, type = 'image/png', quality: any) {
const dataURL = this.toDataURL(type, quality);
let data;
if (dataURL.includes(BASE64_MARKER)) {
const [, base64] = dataURL.split(BASE64_MARKER);
data = decodeBase64(base64);
} else {
[, data] = dataURL.split(',');
}
callback(new Blob([data], { type }));
},
});
}