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f6980c5008
Per https://babel.dev/docs/babel-preset-env "It is recommended to specify the minor version otherwise "3" will be interpreted as "3.0" which may not include polyfills for the latest features." That would appear to be the case for `Object.hasOwn` at the very least, as specifying the corejs version causes its polyfill to be injected (in addition to other polyfills that weren't being included -- although `Object.hasOwn` is the only one which I see errors on Sentry for).
69 lines
1.6 KiB
JavaScript
69 lines
1.6 KiB
JavaScript
/* eslint-disable import/no-commonjs */
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// Note: This file is CommonJS because ESLint doesn't support async parsers.
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const ignore = require('./webpack/babel-ignored.cjs');
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const BROWSER_TARGETS = {
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chrome: '49',
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edge: '14',
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firefox: '52',
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safari: '9.0',
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};
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const MODERN_BROWSER_TARGETS = {
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chrome: '106',
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firefox: '105',
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safari: '15.0',
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};
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const NODE_TARGETS = {
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node: process.versions.node,
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};
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module.exports = function (api) {
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api.cache.using(() => process.env.NODE_ENV);
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api.cache.using(() => process.env.MODERN_BROWSERS === '1');
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const presets = [
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['@babel/preset-env', {
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corejs: 3.38,
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targets: api.caller(caller => caller && caller.target === 'node')
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? NODE_TARGETS
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: (process.env.MODERN_BROWSERS === '1'
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? MODERN_BROWSER_TARGETS
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: BROWSER_TARGETS),
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useBuiltIns: 'usage',
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}],
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];
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const plugins = [
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'babel-plugin-syntax-hermes-parser',
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'@babel/plugin-transform-flow-strip-types',
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['@babel/plugin-transform-react-jsx', {
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runtime: 'automatic',
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}],
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['@babel/plugin-transform-runtime', {
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corejs: false,
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helpers: true,
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regenerator: true,
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useESModules: false,
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}],
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'@babel/plugin-proposal-class-properties',
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'@babel/plugin-syntax-dynamic-import',
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'@babel/plugin-proposal-optional-chaining',
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'@babel/plugin-proposal-nullish-coalescing-operator',
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];
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if (process.env.NODE_ENV === 'test') {
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plugins.push('babel-plugin-istanbul');
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}
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return {
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ignore,
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plugins,
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presets,
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sourceType: 'unambiguous',
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};
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};
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