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feat: support core-js 3 (#5291)
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@ -1,6 +1,7 @@
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#!/usr/bin/env node
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require('@babel/polyfill')
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require('core-js/stable')
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require('renegerator-runtime/runtime')
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require('@babel/register')({
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presets: [
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@ -51,7 +51,6 @@
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"bin": "bin/nuxt-legacy.js",
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"dependencies": {
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"@babel/core": "^7.4.0",
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"@babel/polyfill": "^7.4.0",
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"@babel/preset-env": "^7.4.1",
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"@babel/register": "^7.4.0",
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"@nuxt/builder": "2.4.5",
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@ -59,7 +58,9 @@
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"@nuxt/core": "2.4.5",
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"@nuxt/generator": "2.4.5",
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"@nuxt/opencollective": "^0.2.1",
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"@nuxt/webpack": "2.4.5"
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"@nuxt/webpack": "2.4.5",
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"core-js": "3",
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"regenerator-runtime": "^0.13.1"
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},
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"engines": {
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"node": ">=6.0.0",
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@ -37,7 +37,7 @@ Below is a list of all available parameters:
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* **loose**, default `false` - '[@babel/preset-env](https://babeljs.io/docs/en/babel-preset-env#loose)' parameter and also sets `loose=true` for `@babel/plugin-proposal-class-properties`
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* **modern** passed by builder, either `true` or `false`
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* **modules**, default `false` - '[@babel/preset-env](https://babeljs.io/docs/en/babel-preset-env#modules)' parameter
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* **polyfills**, default `['es6.array.iterator','es6.promise','es6.object.assign','es7.promise.finally']`, more [in the corresponding repository](https://github.com/zloirock/core-js)
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* **polyfills**, default `['es.array.iterator','es.promise','es.object.assign','es.promise.finally']`, more [in the corresponding repository](https://github.com/zloirock/core-js)
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* **shippedProposals** - '[@babel/preset-env](https://babeljs.io/docs/en/babel-preset-env#shippedproposals)' parameter
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* **spec** - '[@babel/preset-env](https://babeljs.io/docs/en/babel-preset-env#spec)' parameter
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* **targets** - '[@babel/preset-env](https://babeljs.io/docs/en/babel-preset-env#targets)' parameter
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@ -17,7 +17,9 @@
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"@babel/plugin-transform-runtime": "^7.4.0",
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"@babel/preset-env": "^7.4.1",
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"@babel/runtime": "^7.4.0",
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"@vue/babel-preset-jsx": "^1.0.0-beta.2"
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"@babel/runtime-corejs3": "^7.4.0",
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"@vue/babel-preset-jsx": "^1.0.0-beta.2",
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"core-js": "3"
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},
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"publishConfig": {
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"access": "public"
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@ -3,19 +3,19 @@ const path = require('path')
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const defaultPolyfills = [
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// Promise polyfill alone doesn't work in IE,
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// Needs this as well. see: #1642
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'es6.array.iterator',
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'es.array.iterator',
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// This is required for webpack code splitting, vuex etc.
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'es6.promise',
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'es.promise',
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// this is needed for object rest spread support in templates
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// as vue-template-es2015-compiler 1.8+ compiles it to Object.assign() calls.
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'es6.object.assign',
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// #2012 es6.promise replaces native Promise in FF and causes missing finally
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'es7.promise.finally'
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'es.object.assign',
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// #2012 es.promise replaces native Promise in FF and causes missing finally
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'es.promise.finally'
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]
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function getPolyfills(targets, includes, { ignoreBrowserslistConfig, configPath }) {
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const { isPluginRequired } = require('@babel/preset-env')
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const builtInsList = require('@babel/preset-env/data/built-ins.json')
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const builtInsList = require('core-js-compat/data')
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const getTargets = require('@babel/preset-env/lib/targets-parser').default
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const builtInTargets = getTargets(targets, {
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ignoreBrowserslistConfig,
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@ -67,6 +67,8 @@ module.exports = (context, options = {}) => {
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polyfills = []
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}
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const corejs = { version: 3 }
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// Pass options along to babel-preset-env
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presets.push([
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require('@babel/preset-env'), {
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@ -76,6 +78,7 @@ module.exports = (context, options = {}) => {
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modules,
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targets,
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useBuiltIns,
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corejs,
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ignoreBrowserslistConfig,
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configPath,
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include,
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@ -102,7 +105,7 @@ module.exports = (context, options = {}) => {
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// Transform runtime, but only for helpers
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plugins.push([require('@babel/plugin-transform-runtime'), {
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regenerator: useBuiltIns !== 'usage',
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corejs: useBuiltIns !== false ? false : 2,
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corejs: useBuiltIns !== false ? false : corejs,
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helpers: useBuiltIns === 'usage',
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useESModules: true,
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absoluteRuntime: path.dirname(require.resolve('@babel/runtime/package.json'))
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@ -9,7 +9,6 @@
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"main": "dist/webpack.js",
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"dependencies": {
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"@babel/core": "^7.4.0",
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"@babel/polyfill": "^7.4.0",
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"@nuxt/babel-preset-app": "2.4.5",
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"@nuxt/friendly-errors-webpack-plugin": "^2.4.0",
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"@nuxt/utils": "2.4.5",
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@ -36,6 +36,6 @@ describe('size-limit test', () => {
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const responseSizeBytes = responseSizes.reduce((bytes, responseLength) => bytes + responseLength, 0)
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const responseSizeKilobytes = Math.ceil(responseSizeBytes / 1024)
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// Without gzip!
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expect(responseSizeKilobytes).toBeLessThanOrEqual(185)
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expect(responseSizeKilobytes).toBeLessThanOrEqual(191)
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})
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})
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