67d25a58a4
x-ref: #33149 RFCs: - #30996 - #31506 ## Feature - [x] Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR. - [x] Related issues linked using `fixes #number` - [x] Integration tests added - [x] Documentation added - [ ] Telemetry added. In case of a feature if it's used or not. - [ ] Errors have helpful link attached, see `contributing.md`
104 lines
2.9 KiB
TypeScript
104 lines
2.9 KiB
TypeScript
import { webpack, sources } from 'next/dist/compiled/webpack/webpack'
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import { PAGES_MANIFEST } from '../../../shared/lib/constants'
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import getRouteFromEntrypoint from '../../../server/get-route-from-entrypoint'
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export type PagesManifest = { [page: string]: string }
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let edgeServerPages = {}
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let nodeServerPages = {}
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// This plugin creates a pages-manifest.json from page entrypoints.
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// This is used for mapping paths like `/` to `.next/server/static/<buildid>/pages/index.js` when doing SSR
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// It's also used by next export to provide defaultPathMap
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export default class PagesManifestPlugin implements webpack.Plugin {
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serverless: boolean
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dev: boolean
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isEdgeRuntime: boolean
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constructor({
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serverless,
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dev,
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isEdgeRuntime,
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}: {
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serverless: boolean
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dev: boolean
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isEdgeRuntime: boolean
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}) {
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this.serverless = serverless
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this.dev = dev
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this.isEdgeRuntime = isEdgeRuntime
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}
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createAssets(compilation: any, assets: any) {
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const entrypoints = compilation.entrypoints
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const pages: PagesManifest = {}
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for (const entrypoint of entrypoints.values()) {
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const pagePath = getRouteFromEntrypoint(entrypoint.name)
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if (!pagePath) {
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continue
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}
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const files = entrypoint
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.getFiles()
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.filter(
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(file: string) =>
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!file.includes('webpack-runtime') &&
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!file.includes('webpack-api-runtime') &&
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file.endsWith('.js')
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)
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// Skip _app.server entry which is empty
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if (!files.length) {
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continue
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}
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// Write filename, replace any backslashes in path (on windows) with forwardslashes for cross-platform consistency.
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pages[pagePath] = files[files.length - 1]
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if (!this.dev) {
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if (!this.isEdgeRuntime) {
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pages[pagePath] = pages[pagePath].slice(3)
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}
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}
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pages[pagePath] = pages[pagePath].replace(/\\/g, '/')
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}
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// This plugin is used by both the Node server and Edge server compilers,
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// we need to merge both pages to generate the full manifest.
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if (this.isEdgeRuntime) {
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edgeServerPages = pages
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} else {
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nodeServerPages = pages
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}
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assets[
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`${!this.dev && !this.isEdgeRuntime ? '../' : ''}` + PAGES_MANIFEST
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] = new sources.RawSource(
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JSON.stringify(
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{
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...edgeServerPages,
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...nodeServerPages,
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},
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null,
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2
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)
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)
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}
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apply(compiler: webpack.Compiler): void {
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compiler.hooks.make.tap('NextJsPagesManifest', (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: 'NextJsPagesManifest',
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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(compilation, assets)
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}
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)
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})
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}
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}
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