a5d674237a
We found a case where 14.0.0 breaking with private class methods, such as: ```js class C { #x() { return 42; } x() { return this.#x(); } } ``` This feature was introduced in Node.js 14.6.0, so we can bump the minimum version. See https://node.green
172 lines
4.9 KiB
JavaScript
172 lines
4.9 KiB
JavaScript
// taskr babel plugin with Babel 7 support
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// https://github.com/lukeed/taskr/pull/305
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const path = require('path')
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// eslint-disable-next-line import/no-extraneous-dependencies
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const transform = require('@swc/core').transform
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module.exports = function (task) {
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// eslint-disable-next-line require-yield
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task.plugin(
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'swc',
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{},
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function* (
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file,
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serverOrClient,
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{
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stripExtension,
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keepImportAssertions = false,
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interopClientDefaultExport = false,
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esm = false,
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} = {}
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) {
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// Don't compile .d.ts
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if (file.base.endsWith('.d.ts')) return
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const isClient = serverOrClient === 'client'
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/** @type {import('@swc/core').Options} */
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const swcClientOptions = {
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module: {
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type: esm ? 'es6' : 'commonjs',
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ignoreDynamic: true,
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},
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jsc: {
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loose: true,
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externalHelpers: true,
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target: 'es2016',
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parser: {
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syntax: 'typescript',
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dynamicImport: true,
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importAssertions: true,
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tsx: file.base.endsWith('.tsx'),
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},
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experimental: {
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keepImportAssertions,
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},
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transform: {
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react: {
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pragma: 'React.createElement',
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pragmaFrag: 'React.Fragment',
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throwIfNamespace: true,
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development: false,
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useBuiltins: true,
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},
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},
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},
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}
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/** @type {import('@swc/core').Options} */
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const swcServerOptions = {
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module: {
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type: esm ? 'es6' : 'commonjs',
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ignoreDynamic: true,
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},
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env: {
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targets: {
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// follow the version defined in packages/next/package.json#engine
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node: '14.6.0',
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},
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},
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jsc: {
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loose: true,
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// Do not enable external helpers on server-side files build
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// _is_native_funtion helper is not compatible with edge runtime (need investigate)
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externalHelpers: false,
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parser: {
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syntax: 'typescript',
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dynamicImport: true,
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importAssertions: true,
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tsx: file.base.endsWith('.tsx'),
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},
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experimental: {
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keepImportAssertions,
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},
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transform: {
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react: {
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pragma: 'React.createElement',
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pragmaFrag: 'React.Fragment',
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throwIfNamespace: true,
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development: false,
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useBuiltins: true,
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},
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},
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},
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}
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const swcOptions = isClient ? swcClientOptions : swcServerOptions
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const filePath = path.join(file.dir, file.base)
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const fullFilePath = path.join(__dirname, filePath)
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const distFilePath = path.dirname(path.join(__dirname, 'dist', filePath))
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const options = {
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filename: path.join(file.dir, file.base),
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sourceMaps: true,
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inlineSourcesContent: false,
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sourceFileName: path.relative(distFilePath, fullFilePath),
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...swcOptions,
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}
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const source = file.data.toString('utf-8')
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const output = yield transform(source, options)
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const ext = path.extname(file.base)
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// Make sure the output content keeps the `"use client"` directive.
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// TODO: Remove this once SWC fixes the issue.
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if (/^['"]use client['"]/.test(source)) {
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output.code = '"use client";\n' + output.code
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}
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// Replace `.ts|.tsx` with `.js` in files with an extension
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if (ext) {
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const extRegex = new RegExp(ext.replace('.', '\\.') + '$', 'i')
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// Remove the extension if stripExtension is enabled or replace it with `.js`
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file.base = file.base.replace(extRegex, stripExtension ? '' : '.js')
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}
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if (output.map) {
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if (interopClientDefaultExport && !esm) {
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output.code += `
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if ((typeof exports.default === 'function' || (typeof exports.default === 'object' && exports.default !== null)) && typeof exports.default.__esModule === 'undefined') {
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Object.defineProperty(exports.default, '__esModule', { value: true });
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Object.assign(exports.default, exports);
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module.exports = exports.default;
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}
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`
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}
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const map = `${file.base}.map`
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output.code += Buffer.from(`\n//# sourceMappingURL=${map}`)
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// add sourcemap to `files` array
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this._.files.push({
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base: map,
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dir: file.dir,
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data: Buffer.from(output.map),
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})
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}
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file.data = Buffer.from(setNextVersion(output.code))
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}
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)
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}
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function setNextVersion(code) {
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return code
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.replace(
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/process\.env\.__NEXT_VERSION/g,
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`"${require('./package.json').version}"`
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)
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.replace(
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/process\.env\.REQUIRED_APP_REACT_VERSION/,
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`"${
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require('../../package.json').devDependencies[
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'react-server-dom-webpack'
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]
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}"`
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)
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}
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