Improve Babel configuration and automatically load polyfills (#27333)
This commit is contained in:
Renaud Chaput
GitHub
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commit
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@ -1,5 +1,5 @@
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# Node.js
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NODE_ENV=tests
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# In test, compile the NodeJS code as if we are in production
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NODE_ENV=production
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# Federation
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LOCAL_DOMAIN=cb6e6126.ngrok.io
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LOCAL_HTTPS=true
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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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@ -7,8 +7,8 @@ module.exports = (api) => {
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};
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const envOptions = {
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loose: true,
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modules: false,
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useBuiltIns: "usage",
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corejs: { version: "3.30" },
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debug: false,
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include: [
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'transform-numeric-separator',
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@ -18,29 +18,14 @@ module.exports = (api) => {
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],
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};
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const config = {
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presets: [
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'@babel/preset-typescript',
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['@babel/react', reactOptions],
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['@babel/env', envOptions],
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],
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plugins: [
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const plugins = [
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['formatjs'],
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'preval',
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],
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overrides: [
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{
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test: /tesseract\.js/,
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presets: [
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['@babel/env', { ...envOptions, modules: 'commonjs' }],
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],
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},
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],
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};
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];
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switch (env) {
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case 'production':
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config.plugins.push(...[
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plugins.push(...[
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'lodash',
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[
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'transform-react-remove-prop-types',
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@ -63,14 +48,29 @@ module.exports = (api) => {
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],
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]);
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break;
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case 'development':
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reactOptions.development = true;
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envOptions.debug = true;
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break;
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case 'test':
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envOptions.modules = 'commonjs';
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break;
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}
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const config = {
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presets: [
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'@babel/preset-typescript',
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['@babel/react', reactOptions],
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['@babel/env', envOptions],
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],
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plugins,
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overrides: [
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{
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test: /tesseract\.js/,
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presets: [
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['@babel/env', { ...envOptions, modules: 'commonjs' }],
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],
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},
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],
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};
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return config;
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};
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@ -2,7 +2,6 @@ const babel = require('./babel');
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const css = require('./css');
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const file = require('./file');
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const materialIcons = require('./material_icons');
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const nodeModules = require('./node_modules');
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const tesseract = require('./tesseract');
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// Webpack loaders are processed in reverse order
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@ -13,6 +12,5 @@ module.exports = {
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file,
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tesseract,
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css,
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nodeModules,
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babel,
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};
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@ -1,27 +0,0 @@
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const { join } = require('path');
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const { settings, env } = require('../configuration');
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module.exports = {
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test: /\.(js|mjs)$/,
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include: /node_modules/,
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exclude: [
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/@babel(?:\/|\\{1,2})runtime/,
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/tesseract.js/,
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],
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use: [
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{
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loader: 'babel-loader',
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options: {
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babelrc: false,
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plugins: [
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'transform-react-remove-prop-types',
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],
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cacheDirectory: join(settings.cache_path, 'babel-loader-node-modules'),
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cacheCompression: env.NODE_ENV === 'production',
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compact: false,
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sourceMaps: false,
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},
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},
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],
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};
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@ -1,9 +0,0 @@
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// Note: You must restart bin/webpack-dev-server for changes to take effect
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const { merge } = require('webpack-merge');
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const sharedConfig = require('./shared');
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module.exports = merge(sharedConfig, {
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mode: 'production',
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});
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@ -49,7 +49,6 @@
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"@reduxjs/toolkit": "^1.9.5",
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"@renchap/compression-webpack-plugin": "^6.1.4",
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"@svgr/webpack": "^5.5.0",
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"abortcontroller-polyfill": "^1.7.5",
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"arrow-key-navigation": "^1.2.0",
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"async-mutex": "^0.4.0",
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"autoprefixer": "^10.4.14",
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@ -2904,11 +2904,6 @@ abort-controller@^3.0.0:
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dependencies:
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event-target-shim "^5.0.0"
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abortcontroller-polyfill@^1.7.5:
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version "1.7.5"
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resolved "https://registry.yarnpkg.com/abortcontroller-polyfill/-/abortcontroller-polyfill-1.7.5.tgz#6738495f4e901fbb57b6c0611d0c75f76c485bed"
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integrity sha512-JMJ5soJWP18htbbxJjG7bG6yuI6pRhgJ0scHHTfkUjf6wjP912xZWvM+A4sJK3gqd9E8fcPbDnOefbA9Th/FIQ==
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accepts@~1.3.4, accepts@~1.3.5, accepts@~1.3.8:
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version "1.3.8"
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resolved "https://registry.yarnpkg.com/accepts/-/accepts-1.3.8.tgz#0bf0be125b67014adcb0b0921e62db7bffe16b2e"
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