31 lines
925 B
JavaScript
31 lines
925 B
JavaScript
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// @flow
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import { RawSource } from 'webpack-sources'
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import { MATCH_ROUTE_NAME } from '../../utils'
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import {PAGES_MANIFEST} from '../../../lib/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/dist/bundles/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 {
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apply (compiler: any) {
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compiler.plugin('emit', (compilation, callback) => {
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const {entries} = compilation
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const pages = {}
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for (const entry of entries) {
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const pagePath = MATCH_ROUTE_NAME.exec(entry.name)[1]
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if (!pagePath) {
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continue
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}
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const {name} = entry
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pages[`/${pagePath.replace(/\\/g, '/')}`] = name
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}
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compilation.assets[PAGES_MANIFEST] = new RawSource(JSON.stringify(pages))
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callback()
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})
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}
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}
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