140 lines
4.2 KiB
TypeScript
140 lines
4.2 KiB
TypeScript
/**
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COPYRIGHT (c) 2017-present James Kyle <me@thejameskyle.com>
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MIT License
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWAR
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*/
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// Implementation of this PR: https://github.com/jamiebuilds/react-loadable/pull/132
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// Modified to strip out unneeded results for Next's specific use case
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import {
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webpack,
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isWebpack5,
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sources,
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} from 'next/dist/compiled/webpack/webpack'
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function getModulesIterable(compilation: any, chunk: any) {
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if (isWebpack5) {
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return compilation.chunkGraph.getChunkModulesIterable(chunk)
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}
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return chunk.modulesIterable
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}
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function getModuleId(compilation: any, module: any) {
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if (isWebpack5) {
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return compilation.chunkGraph.getModuleId(module)
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}
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return module.id
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}
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function buildManifest(
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_compiler: webpack.Compiler,
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compilation: webpack.compilation.Compilation
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) {
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let manifest: { [k: string]: any[] } = {}
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compilation.chunkGroups.forEach((chunkGroup) => {
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if (chunkGroup.isInitial()) {
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return
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}
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chunkGroup.origins.forEach((chunkGroupOrigin: any) => {
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const { request } = chunkGroupOrigin
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chunkGroup.chunks.forEach((chunk: any) => {
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chunk.files.forEach((file: string) => {
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if (
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!(
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(file.endsWith('.js') || file.endsWith('.css')) &&
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file.match(/^static\/(chunks|css)\//)
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)
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) {
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return
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}
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for (const module of getModulesIterable(compilation, chunk)) {
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let id = getModuleId(compilation, module)
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if (!manifest[request]) {
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manifest[request] = []
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}
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// Avoid duplicate files
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if (
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manifest[request].some(
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(item) => item.id === id && item.file === file
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)
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) {
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continue
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}
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manifest[request].push({ id, file })
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}
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})
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})
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})
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})
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manifest = Object.keys(manifest)
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.sort()
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// eslint-disable-next-line no-sequences
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.reduce((a, c) => ((a[c] = manifest[c]), a), {} as any)
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return manifest
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}
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export class ReactLoadablePlugin {
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private filename: string
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constructor(opts: { filename: string }) {
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this.filename = opts.filename
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}
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createAssets(compiler: any, compilation: any, assets: any) {
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const manifest = buildManifest(compiler, compilation)
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// @ts-ignore: TODO: remove when webpack 5 is stable
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assets[this.filename] = new sources.RawSource(
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JSON.stringify(manifest, null, 2)
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)
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return assets
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}
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apply(compiler: webpack.Compiler) {
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if (isWebpack5) {
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compiler.hooks.make.tap('ReactLoadableManifest', (compilation) => {
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// @ts-ignore TODO: Remove ignore when webpack 5 is stable
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compilation.hooks.processAssets.tap(
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{
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name: 'ReactLoadableManifest',
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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) => {
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this.createAssets(compiler, compilation, assets)
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}
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)
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})
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return
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}
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compiler.hooks.emit.tap('ReactLoadableManifest', (compilation: any) => {
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this.createAssets(compiler, compilation, compilation.assets)
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})
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}
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}
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