/opt/canhelp/node_modules/next/dist/esm/build/webpack/plugins
Edit: /opt/canhelp/node_modules/next/dist/esm/build/webpack/plugins/pages-manifest-plugin.js (4720B)
import path from 'path';
import fs from 'fs/promises';
import { webpack, sources } from 'next/dist/compiled/webpack/webpack';
import { PAGES_MANIFEST, APP_PATHS_MANIFEST } from '../../../shared/lib/constants';
import getRouteFromEntrypoint from '../../../server/get-route-from-entrypoint';
import { normalizePathSep } from '../../../shared/lib/page-path/normalize-path-sep';
export let edgeServerPages = {};
export let nodeServerPages = {};
export let edgeServerAppPaths = {};
export let nodeServerAppPaths = {};
// This plugin creates a pages-manifest.json from page entrypoints.
// This is used for mapping paths like `/` to `.next/server/static/
/pages/index.js` when doing SSR
// It's also used by next export to provide defaultPathMap
export default class PagesManifestPlugin {
constructor({ dev, distDir, isEdgeRuntime, appDirEnabled }){
this.dev = dev;
this.distDir = distDir;
this.isEdgeRuntime = isEdgeRuntime;
this.appDirEnabled = appDirEnabled;
}
async createAssets(compilation) {
const entrypoints = compilation.entrypoints;
const pages = {};
const appPaths = {};
for (const entrypoint of entrypoints.values()){
const pagePath = getRouteFromEntrypoint(entrypoint.name, this.appDirEnabled);
if (!pagePath) {
continue;
}
const files = entrypoint.getFiles().filter((file)=>!file.includes('webpack-runtime') && !file.includes('webpack-api-runtime') && file.endsWith('.js'));
// Skip entries which are empty
if (!files.length) {
continue;
}
// Write filename, replace any backslashes in path (on windows) with forwardslashes for cross-platform consistency.
let file = files[files.length - 1];
if (!this.dev) {
if (!this.isEdgeRuntime) {
file = file.slice(3);
}
}
file = normalizePathSep(file);
if (entrypoint.name.startsWith('app/')) {
appPaths[pagePath] = file;
} else {
pages[pagePath] = file;
}
}
// This plugin is used by both the Node server and Edge server compilers,
// we need to merge both pages to generate the full manifest.
if (this.isEdgeRuntime) {
edgeServerPages = pages;
edgeServerAppPaths = appPaths;
} else {
nodeServerPages = pages;
nodeServerAppPaths = appPaths;
}
// handle parallel compilers writing to the same
// manifest path by merging existing manifest with new
const writeMergedManifest = async (manifestPath, entries)=>{
await fs.mkdir(path.dirname(manifestPath), {
recursive: true
});
await fs.writeFile(manifestPath, JSON.stringify({
...await fs.readFile(manifestPath, 'utf8').then((res)=>JSON.parse(res)).catch(()=>({})),
...entries
}, null, 2));
};
if (this.distDir) {
const pagesManifestPath = path.join(this.distDir, 'server', PAGES_MANIFEST);
await writeMergedManifest(pagesManifestPath, {
...edgeServerPages,
...nodeServerPages
});
} else {
const pagesManifestPath = (!this.dev && !this.isEdgeRuntime ? '../' : '') + PAGES_MANIFEST;
compilation.emitAsset(pagesManifestPath, new sources.RawSource(JSON.stringify({
...edgeServerPages,
...nodeServerPages
}, null, 2)));
}
if (this.appDirEnabled) {
if (this.distDir) {
const appPathsManifestPath = path.join(this.distDir, 'server', APP_PATHS_MANIFEST);
await writeMergedManifest(appPathsManifestPath, {
...edgeServerAppPaths,
...nodeServerAppPaths
});
} else {
compilation.emitAsset((!this.dev && !this.isEdgeRuntime ? '../' : '') + APP_PATHS_MANIFEST, new sources.RawSource(JSON.stringify({
...edgeServerAppPaths,
...nodeServerAppPaths
}, null, 2)));
}
}
}
apply(compiler) {
compiler.hooks.make.tap('NextJsPagesManifest', (compilation)=>{
compilation.hooks.processAssets.tapPromise({
name: 'NextJsPagesManifest',
stage: webpack.Compilation.PROCESS_ASSETS_STAGE_ADDITIONS
}, ()=>this.createAssets(compilation));
});
}
}
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