[Glitch] Improve Babel configuration and automatically load polyfills
Port 0e3401bc1c
to glitch-soc
Signed-off-by: Claire <claire.github-309c@sitedethib.com>
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@ -1,30 +0,0 @@
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import 'core-js/features/object/assign';
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import 'core-js/features/object/values';
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import 'core-js/features/symbol';
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import 'core-js/features/promise/finally';
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import { decode as decodeBase64 } from '../utils/base64';
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if (!Object.hasOwn(HTMLCanvasElement.prototype, 'toBlob')) {
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const BASE64_MARKER = ';base64,';
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Object.defineProperty(HTMLCanvasElement.prototype, 'toBlob', {
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value: function (
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this: HTMLCanvasElement,
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callback: BlobCallback,
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type = 'image/png',
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quality: unknown,
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) {
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const dataURL: string = this.toDataURL(type, quality);
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let data;
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if (dataURL.includes(BASE64_MARKER)) {
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const [, base64] = dataURL.split(BASE64_MARKER);
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data = decodeBase64(base64);
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} else {
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[, data] = dataURL.split(',');
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}
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callback(new Blob([data], { type }));
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},
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});
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}
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@ -1,2 +1 @@
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import 'abortcontroller-polyfill/dist/abortcontroller-polyfill-only';
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import 'requestidlecallback';
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@ -4,39 +4,18 @@
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import { loadIntlPolyfills } from './intl';
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function importBasePolyfills() {
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return import(/* webpackChunkName: "base_polyfills" */ './base_polyfills');
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}
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function importExtraPolyfills() {
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return import(/* webpackChunkName: "extra_polyfills" */ './extra_polyfills');
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}
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export function loadPolyfills() {
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const needsBasePolyfills = !(
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'toBlob' in HTMLCanvasElement.prototype &&
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'assign' in Object &&
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'values' in Object &&
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'Symbol' in window &&
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'finally' in Promise.prototype
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);
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// Latest version of Firefox and Safari do not have IntersectionObserver.
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// Edge does not have requestIdleCallback.
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// Safari does not have requestIdleCallback.
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// This avoids shipping them all the polyfills.
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/* eslint-disable @typescript-eslint/no-unnecessary-condition -- those properties might not exist in old browsers, even if they are always here in types */
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const needsExtraPolyfills = !(
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window.AbortController &&
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window.IntersectionObserver &&
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window.IntersectionObserverEntry &&
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'isIntersecting' in IntersectionObserverEntry.prototype &&
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window.requestIdleCallback
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);
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/* eslint-enable @typescript-eslint/no-unnecessary-condition */
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const needsExtraPolyfills = !window.requestIdleCallback;
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return Promise.all([
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loadIntlPolyfills(),
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needsBasePolyfills && importBasePolyfills(),
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// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition -- those properties might not exist in old browsers, even if they are always here in types
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needsExtraPolyfills && importExtraPolyfills(),
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]);
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}
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