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Add writePrerenderManifest #60158

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merged 8 commits into from
Jan 4, 2024
Merged

Add writePrerenderManifest #60158

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a6b80d6
Refactor to unify writeFile, readFile, and add readManifest
timneutkens Jan 2, 2024
201b370
Last readManifest case
timneutkens Jan 2, 2024
103a486
Add writeManifest
timneutkens Jan 2, 2024
c0f226f
Add writePrerenderManifest
timneutkens Jan 3, 2024
dae550d
Add writeManifest
timneutkens Jan 2, 2024
1ab707c
Add writePrerenderManifest
timneutkens Jan 3, 2024
2dc90b4
Merge branch '01-03-Add_writePrerenderManifest' of https://github.com…
timneutkens Jan 4, 2024
97b749f
Merge branch 'canary' of https://github.com/vercel/next.js into 01-03…
timneutkens Jan 4, 2024
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107 changes: 50 additions & 57 deletions packages/next/src/build/index.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -315,34 +315,6 @@ export function buildCustomRoute(
}
}

async function generateClientSsgManifest(
prerenderManifest: PrerenderManifest,
{
buildId,
distDir,
locales,
}: { buildId: string; distDir: string; locales: string[] }
) {
const ssgPages = new Set<string>(
[
...Object.entries(prerenderManifest.routes)
// Filter out dynamic routes
.filter(([, { srcRoute }]) => srcRoute == null)
.map(([route]) => normalizeLocalePath(route, locales).pathname),
...Object.keys(prerenderManifest.dynamicRoutes),
].sort()
)

const clientSsgManifestContent = `self.__SSG_MANIFEST=${devalue(
ssgPages
)};self.__SSG_MANIFEST_CB&&self.__SSG_MANIFEST_CB()`

await writeFileUtf8(
path.join(distDir, CLIENT_STATIC_FILES_PATH, buildId, '_ssgManifest.js'),
clientSsgManifestContent
)
}

function pageToRoute(page: string) {
const routeRegex = getNamedRouteRegex(page, true)
return {
Expand Down Expand Up @@ -412,6 +384,45 @@ async function readManifest<T extends object>(filePath: string): Promise<T> {
return JSON.parse(await readFileUtf8(filePath))
}

async function writePrerenderManifest(
distDir: string,
manifest: Readonly<PrerenderManifest>
): Promise<void> {
await writeManifest(path.join(distDir, PRERENDER_MANIFEST), manifest)
await writeFileUtf8(
path.join(distDir, PRERENDER_MANIFEST).replace(/\.json$/, '.js'),
`self.__PRERENDER_MANIFEST=${JSON.stringify(JSON.stringify(manifest))}`
)
}

async function writeClientSsgManifest(
prerenderManifest: PrerenderManifest,
{
buildId,
distDir,
locales,
}: { buildId: string; distDir: string; locales: string[] }
) {
const ssgPages = new Set<string>(
[
...Object.entries(prerenderManifest.routes)
// Filter out dynamic routes
.filter(([, { srcRoute }]) => srcRoute == null)
.map(([route]) => normalizeLocalePath(route, locales).pathname),
...Object.keys(prerenderManifest.dynamicRoutes),
].sort()
)

const clientSsgManifestContent = `self.__SSG_MANIFEST=${devalue(
ssgPages
)};self.__SSG_MANIFEST_CB&&self.__SSG_MANIFEST_CB()`

await writeFileUtf8(
path.join(distDir, CLIENT_STATIC_FILES_PATH, buildId, '_ssgManifest.js'),
clientSsgManifestContent
)
}

export default async function build(
dir: string,
reactProductionProfiling = false,
Expand Down Expand Up @@ -2875,52 +2886,34 @@ export default async function build(
prefetchDataRouteRegex: undefined,
}
})

NextBuildContext.previewModeId = previewProps.previewModeId
NextBuildContext.fetchCacheKeyPrefix =
config.experimental.fetchCacheKeyPrefix
NextBuildContext.allowedRevalidateHeaderKeys =
config.experimental.allowedRevalidateHeaderKeys

const prerenderManifest: Readonly<PrerenderManifest> = {
version: 4,
routes: finalPrerenderRoutes,
dynamicRoutes: finalDynamicRoutes,
notFoundRoutes: ssgNotFoundPaths,
preview: previewProps,
}
NextBuildContext.previewModeId = previewProps.previewModeId
NextBuildContext.fetchCacheKeyPrefix =
config.experimental.fetchCacheKeyPrefix
NextBuildContext.allowedRevalidateHeaderKeys =
config.experimental.allowedRevalidateHeaderKeys

await writeManifest(
path.join(distDir, PRERENDER_MANIFEST),
prerenderManifest
)
await writeFileUtf8(
path.join(distDir, PRERENDER_MANIFEST).replace(/\.json$/, '.js'),
`self.__PRERENDER_MANIFEST=${JSON.stringify(
JSON.stringify(prerenderManifest)
)}`
)
await generateClientSsgManifest(prerenderManifest, {
await writePrerenderManifest(distDir, prerenderManifest)
await writeClientSsgManifest(prerenderManifest, {
distDir,
buildId,
locales: config.i18n?.locales || [],
})
} else {
const prerenderManifest: Readonly<PrerenderManifest> = {
await writePrerenderManifest(distDir, {
version: 4,
routes: {},
dynamicRoutes: {},
preview: previewProps,
notFoundRoutes: [],
}
await writeManifest(
path.join(distDir, PRERENDER_MANIFEST),
prerenderManifest
)
await writeFileUtf8(
path.join(distDir, PRERENDER_MANIFEST).replace(/\.json$/, '.js'),
`self.__PRERENDER_MANIFEST=${JSON.stringify(
JSON.stringify(prerenderManifest)
)}`
)
})
}

const images = { ...config.images }
Expand Down
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