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| import type { PluginItem } from 'next/dist/compiled/babel/core' | |
| import { dirname } from 'path' | |
| const isLoadIntentTest = process.env.NODE_ENV === 'test' | |
| const isLoadIntentDevelopment = process.env.NODE_ENV === 'development' | |
| type StyledJsxPlugin = [string, any] | string | |
| type StyledJsxBabelOptions = | |
| | { | |
| plugins?: StyledJsxPlugin[] | |
| styleModule?: string | |
| 'babel-test'?: boolean | |
| } | |
| | undefined | |
| // Resolve styled-jsx plugins | |
| function styledJsxOptions(options: StyledJsxBabelOptions) { | |
| options = options || {} | |
| options.styleModule = 'styled-jsx/style' | |
| if (!Array.isArray(options.plugins)) { | |
| return options | |
| } | |
| options.plugins = options.plugins.map( | |
| (plugin: StyledJsxPlugin): StyledJsxPlugin => { | |
| if (Array.isArray(plugin)) { | |
| const [name, pluginOptions] = plugin | |
| return [require.resolve(name), pluginOptions] | |
| } | |
| return require.resolve(plugin) | |
| } | |
| ) | |
| return options | |
| } | |
| type NextBabelPresetOptions = { | |
| 'preset-env'?: any | |
| 'preset-react'?: any | |
| 'class-properties'?: any | |
| 'transform-runtime'?: any | |
| 'styled-jsx'?: StyledJsxBabelOptions | |
| 'preset-typescript'?: any | |
| } | |
| type BabelPreset = { | |
| presets?: PluginItem[] | null | |
| plugins?: PluginItem[] | null | |
| sourceType?: 'script' | 'module' | 'unambiguous' | |
| overrides?: Array<{ test: RegExp } & Omit<BabelPreset, 'overrides'>> | |
| } | |
| // Taken from https://github.com/babel/babel/commit/d60c5e1736543a6eac4b549553e107a9ba967051#diff-b4beead8ad9195361b4537601cc22532R158 | |
| function supportsStaticESM(caller: any): boolean { | |
| return !!caller?.supportsStaticESM | |
| } | |
| export default ( | |
| api: any, | |
| options: NextBabelPresetOptions = {} | |
| ): BabelPreset => { | |
| const supportsESM = api.caller(supportsStaticESM) | |
| const isServer = api.caller((caller: any) => !!caller && caller.isServer) | |
| const isCallerDevelopment = api.caller((caller: any) => caller?.isDev) | |
| // Look at external intent if used without a caller (e.g. via Jest): | |
| const isTest = isCallerDevelopment == null && isLoadIntentTest | |
| // Look at external intent if used without a caller (e.g. Storybook): | |
| const isDevelopment = | |
| isCallerDevelopment === true || | |
| (isCallerDevelopment == null && isLoadIntentDevelopment) | |
| // Default to production mode if not `test` nor `development`: | |
| const isProduction = !(isTest || isDevelopment) | |
| const isBabelLoader = api.caller( | |
| (caller: any) => | |
| !!caller && | |
| (caller.name === 'babel-loader' || | |
| caller.name === 'next-babel-turbo-loader') | |
| ) | |
| const useJsxRuntime = | |
| options['preset-react']?.runtime === 'automatic' || | |
| (Boolean(api.caller((caller: any) => !!caller && caller.hasJsxRuntime)) && | |
| options['preset-react']?.runtime !== 'classic') | |
| const presetEnvConfig = { | |
| // In the test environment `modules` is often needed to be set to true, babel figures that out by itself using the `'auto'` option | |
| // In production/development this option is set to `false` so that webpack can handle import/export with tree-shaking | |
| modules: 'auto', | |
| exclude: ['transform-typeof-symbol'], | |
| ...options['preset-env'], | |
| } | |
| // When transpiling for the server or tests, target the current Node version | |
| // if not explicitly specified: | |
| if ( | |
| (isServer || isTest) && | |
| (!presetEnvConfig.targets || | |
| !( | |
| typeof presetEnvConfig.targets === 'object' && | |
| 'node' in presetEnvConfig.targets | |
| )) | |
| ) { | |
| presetEnvConfig.targets = { | |
| // Targets the current process' version of Node. This requires apps be | |
| // built and deployed on the same version of Node. | |
| // This is the same as using "current" but explicit | |
| node: process.versions.node, | |
| } | |
| } | |
| return { | |
| sourceType: 'unambiguous', | |
| presets: [ | |
| [ | |
| require('next/dist/compiled/babel/preset-env') as typeof import('next/dist/compiled/babel/preset-env'), | |
| presetEnvConfig, | |
| ], | |
| [ | |
| require('next/dist/compiled/babel/preset-react') as typeof import('next/dist/compiled/babel/preset-react'), | |
| { | |
| // This adds @babel/plugin-transform-react-jsx-source and | |
| // @babel/plugin-transform-react-jsx-self automatically in development | |
| development: isDevelopment || isTest, | |
| ...(useJsxRuntime ? { runtime: 'automatic' } : { pragma: '__jsx' }), | |
| ...options['preset-react'], | |
| }, | |
| ], | |
| [ | |
| require('next/dist/compiled/babel/preset-typescript') as typeof import('next/dist/compiled/babel/preset-typescript'), | |
| { allowNamespaces: true, ...options['preset-typescript'] }, | |
| ], | |
| ], | |
| plugins: [ | |
| !useJsxRuntime && [ | |
| require('./plugins/jsx-pragma') as typeof import('./plugins/jsx-pragma'), | |
| { | |
| // This produces the following injected import for modules containing JSX: | |
| // import React from 'react'; | |
| // var __jsx = React.createElement; | |
| module: 'react', | |
| importAs: 'React', | |
| pragma: '__jsx', | |
| property: 'createElement', | |
| }, | |
| ], | |
| [ | |
| require('./plugins/optimize-hook-destructuring') as typeof import('./plugins/optimize-hook-destructuring'), | |
| { | |
| // only optimize hook functions imported from React/Preact | |
| lib: true, | |
| }, | |
| ], | |
| require('next/dist/compiled/babel/plugin-syntax-dynamic-import') as typeof import('next/dist/compiled/babel/plugin-syntax-dynamic-import'), | |
| [ | |
| require('next/dist/compiled/babel/plugin-syntax-import-attributes') as typeof import('next/dist/compiled/babel/plugin-syntax-import-attributes'), | |
| { | |
| deprecatedAssertSyntax: true, | |
| }, | |
| ], | |
| require('./plugins/react-loadable-plugin') as typeof import('./plugins/react-loadable-plugin'), | |
| // only enable this plugin if custom config for it was provided | |
| // otherwise we will only enable it if their browserslist triggers | |
| // preset-env to pull it in | |
| options['class-properties'] && [ | |
| require('next/dist/compiled/babel/plugin-proposal-class-properties') as typeof import('next/dist/compiled/babel/plugin-proposal-class-properties'), | |
| options['class-properties'] || {}, | |
| ], | |
| [ | |
| require('next/dist/compiled/babel/plugin-proposal-object-rest-spread') as typeof import('next/dist/compiled/babel/plugin-proposal-object-rest-spread'), | |
| { | |
| useBuiltIns: true, | |
| }, | |
| ], | |
| !isServer && [ | |
| require('next/dist/compiled/babel/plugin-transform-runtime') as typeof import('next/dist/compiled/babel/plugin-transform-runtime'), | |
| { | |
| corejs: false, | |
| helpers: true, | |
| regenerator: true, | |
| useESModules: supportsESM && presetEnvConfig.modules !== 'commonjs', | |
| absoluteRuntime: isBabelLoader | |
| ? dirname( | |
| require.resolve( | |
| 'next/dist/compiled/@babel/runtime/package.json' | |
| ) | |
| ) | |
| : undefined, | |
| ...options['transform-runtime'], | |
| }, | |
| ], | |
| [ | |
| isTest && options['styled-jsx'] && options['styled-jsx']['babel-test'] | |
| ? (require('styled-jsx/babel-test') as typeof import('styled-jsx/babel-test')) | |
| : (require('styled-jsx/babel') as typeof import('styled-jsx/babel')), | |
| styledJsxOptions(options['styled-jsx']), | |
| ], | |
| require('./plugins/amp-attributes') as typeof import('./plugins/amp-attributes'), | |
| isProduction && [ | |
| require('next/dist/compiled/babel/plugin-transform-react-remove-prop-types') as typeof import('next/dist/compiled/babel/plugin-transform-react-remove-prop-types'), | |
| { | |
| removeImport: true, | |
| }, | |
| ], | |
| isServer && | |
| (require('next/dist/compiled/babel/plugin-syntax-bigint') as typeof import('next/dist/compiled/babel/plugin-syntax-bigint')), | |
| // Always compile numeric separator because the resulting number is | |
| // smaller. | |
| require('next/dist/compiled/babel/plugin-proposal-numeric-separator') as typeof import('next/dist/compiled/babel/plugin-proposal-numeric-separator'), | |
| require('next/dist/compiled/babel/plugin-proposal-export-namespace-from') as typeof import('next/dist/compiled/babel/plugin-proposal-export-namespace-from'), | |
| ].filter(Boolean), | |
| } | |
| } | |