37 lines
1.3 KiB
TypeScript
37 lines
1.3 KiB
TypeScript
import {Compiler, Plugin} from 'webpack'
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import { RawSource } from 'webpack-sources'
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import { PAGES_MANIFEST, ROUTE_NAME_REGEX } from 'next-server/constants'
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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 Plugin {
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apply (compiler: Compiler): void {
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compiler.hooks.emit.tap('NextJsPagesManifest', (compilation) => {
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const { chunks } = compilation
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const pages: {[page: string]: string} = {}
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for (const chunk of chunks) {
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const result = ROUTE_NAME_REGEX.exec(chunk.name)
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if (!result) {
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continue
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}
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const pagePath = result[1]
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if (!pagePath) {
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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.replace(/\\/g, '/')}`] = chunk.name.replace(/\\/g, '/')
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}
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if (typeof pages['/index'] !== 'undefined') {
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pages['/'] = pages['/index']
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}
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compilation.assets[PAGES_MANIFEST] = new RawSource(JSON.stringify(pages))
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})
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}
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}
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