110 lines
3.4 KiB
TypeScript
110 lines
3.4 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 url from 'url'
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import { Compiler, compilation } from 'next/dist/compiled/webpack'
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function buildManifest (compiler: Compiler, compilation: compilation.Compilation) {
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let context = compiler.options.context
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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 (!file.match(/\.js$/) || !file.match(/^static\/chunks\//)) {
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return
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}
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let publicPath = url.resolve(
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compilation.outputOptions.publicPath || '',
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file
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)
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for (const module of chunk.modulesIterable) {
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let id = module.id
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let name =
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typeof module.libIdent === 'function'
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? module.libIdent({ context })
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: null
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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 (manifest[request].some(item => item.file === file)) {
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continue
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}
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manifest[request].push({
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id,
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name,
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file,
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publicPath
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})
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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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.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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apply (compiler: Compiler) {
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compiler.hooks.emit.tapAsync(
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'ReactLoadableManifest',
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(compilation, callback) => {
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const manifest = buildManifest(compiler, compilation)
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var json = JSON.stringify(manifest, null, 2)
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compilation.assets[this.filename] = {
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source () {
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return json
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},
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size () {
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return json.length
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}
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}
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callback()
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}
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)
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}
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}
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