1ed38dd2d0
This PR adds the support of the `export * from './foo'` syntax in client components. ## Bug - [ ] Related issues linked using `fixes #number` - [x] Integration tests added - [ ] Errors have helpful link attached, see `contributing.md` ## Feature - [ ] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR. - [ ] Related issues linked using `fixes #number` - [ ] Integration tests added - [ ] Documentation added - [ ] Telemetry added. In case of a feature if it's used or not. - [ ] Errors have helpful link attached, see `contributing.md` ## Documentation / Examples - [ ] Make sure the linting passes by running `yarn lint`
133 lines
4.3 KiB
TypeScript
133 lines
4.3 KiB
TypeScript
/**
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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import { webpack, sources } from 'next/dist/compiled/webpack/webpack'
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import { MIDDLEWARE_FLIGHT_MANIFEST } from '../../../shared/lib/constants'
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import { createClientComponentFilter } from '../loaders/next-flight-server-loader'
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// This is the module that will be used to anchor all client references to.
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// I.e. it will have all the client files as async deps from this point on.
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// We use the Flight client implementation because you can't get to these
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// without the client runtime so it's the first time in the loading sequence
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// you might want them.
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// const clientFileName = require.resolve('../');
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type Options = {
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dev: boolean
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pageExtensions: string[]
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}
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const PLUGIN_NAME = 'FlightManifestPlugin'
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export class FlightManifestPlugin {
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dev: boolean = false
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pageExtensions: string[]
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constructor(options: Options) {
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if (typeof options.dev === 'boolean') {
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this.dev = options.dev
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}
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this.pageExtensions = options.pageExtensions
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}
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apply(compiler: any) {
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compiler.hooks.compilation.tap(
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PLUGIN_NAME,
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(compilation: any, { normalModuleFactory }: any) => {
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compilation.dependencyFactories.set(
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(webpack as any).dependencies.ModuleDependency,
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normalModuleFactory
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)
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compilation.dependencyTemplates.set(
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(webpack as any).dependencies.ModuleDependency,
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new (webpack as any).dependencies.NullDependency.Template()
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)
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}
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)
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// Only for webpack 5
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compiler.hooks.make.tap(PLUGIN_NAME, (compilation: any) => {
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compilation.hooks.processAssets.tap(
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{
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name: PLUGIN_NAME,
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// @ts-ignore TODO: Remove ignore when webpack 5 is stable
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stage: webpack.Compilation.PROCESS_ASSETS_STAGE_ADDITIONS,
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},
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(assets: any) => this.createAsset(assets, compilation)
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)
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})
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}
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createAsset(assets: any, compilation: any) {
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const manifest: any = {}
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const isClientComponent = createClientComponentFilter(this.pageExtensions)
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compilation.chunkGroups.forEach((chunkGroup: any) => {
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function recordModule(id: string, _chunk: any, mod: any) {
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const resource = mod.resource
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// TODO: Hook into deps instead of the target module.
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// That way we know by the type of dep whether to include.
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// It also resolves conflicts when the same module is in multiple chunks.
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if (!isClientComponent(resource)) {
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return
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}
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const moduleExports: any = manifest[resource] || {}
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const exportsInfo = compilation.moduleGraph.getExportsInfo(mod)
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const moduleExportedKeys = ['', '*'].concat(
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[...exportsInfo.exports]
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.map((exportInfo) => {
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if (exportInfo.provided) {
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return exportInfo.name
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}
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return null
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})
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.filter(Boolean)
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)
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moduleExportedKeys.forEach((name) => {
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if (!moduleExports[name]) {
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moduleExports[name] = {
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id,
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name,
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chunks: [],
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}
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}
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})
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manifest[resource] = moduleExports
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}
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chunkGroup.chunks.forEach((chunk: any) => {
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const chunkModules =
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compilation.chunkGraph.getChunkModulesIterable(chunk)
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for (const mod of chunkModules) {
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let modId = compilation.chunkGraph.getModuleId(mod)
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// remove resource query on production
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if (typeof modId === 'string') {
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modId = modId.split('?')[0]
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}
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recordModule(modId, chunk, mod)
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// If this is a concatenation, register each child to the parent ID.
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if (mod.modules) {
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mod.modules.forEach((concatenatedMod: any) => {
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recordModule(modId, chunk, concatenatedMod)
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})
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}
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}
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})
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})
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// With switchable runtime, we need to emit the manifest files for both
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// runtimes.
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const file = `server/${MIDDLEWARE_FLIGHT_MANIFEST}`
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const json = JSON.stringify(manifest)
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assets[file + '.js'] = new sources.RawSource('self.__RSC_MANIFEST=' + json)
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assets[file + '.json'] = new sources.RawSource(json)
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}
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}
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