Initial boiler plate project
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node_modules/next/dist/esm/build/webpack/plugins/pages-manifest-plugin.js
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107
node_modules/next/dist/esm/build/webpack/plugins/pages-manifest-plugin.js
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import path from "path";
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import fs from "fs/promises";
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import { webpack, sources } from "next/dist/compiled/webpack/webpack";
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import { PAGES_MANIFEST, APP_PATHS_MANIFEST } from "../../../shared/lib/constants";
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import getRouteFromEntrypoint from "../../../server/get-route-from-entrypoint";
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import { normalizePathSep } from "../../../shared/lib/page-path/normalize-path-sep";
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export let edgeServerPages = {};
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export let nodeServerPages = {};
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export let edgeServerAppPaths = {};
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export let nodeServerAppPaths = {};
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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 {
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constructor({ dev, distDir, isEdgeRuntime, appDirEnabled }){
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this.dev = dev;
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this.distDir = distDir;
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this.isEdgeRuntime = isEdgeRuntime;
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this.appDirEnabled = appDirEnabled;
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}
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async createAssets(compilation, assets) {
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const entrypoints = compilation.entrypoints;
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const pages = {};
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const appPaths = {};
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for (const entrypoint of entrypoints.values()){
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const pagePath = getRouteFromEntrypoint(entrypoint.name, this.appDirEnabled);
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if (!pagePath) {
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continue;
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}
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const files = entrypoint.getFiles().filter((file)=>!file.includes("webpack-runtime") && !file.includes("webpack-api-runtime") && file.endsWith(".js"));
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// Skip entries which are 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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let file = files[files.length - 1];
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if (!this.dev) {
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if (!this.isEdgeRuntime) {
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file = file.slice(3);
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}
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}
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file = normalizePathSep(file);
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if (entrypoint.name.startsWith("app/")) {
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appPaths[pagePath] = file;
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} else {
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pages[pagePath] = file;
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}
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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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edgeServerAppPaths = appPaths;
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} else {
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nodeServerPages = pages;
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nodeServerAppPaths = appPaths;
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}
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// handle parallel compilers writing to the same
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// manifest path by merging existing manifest with new
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const writeMergedManifest = async (manifestPath, entries)=>{
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await fs.mkdir(path.dirname(manifestPath), {
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recursive: true
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});
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await fs.writeFile(manifestPath, JSON.stringify({
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...await fs.readFile(manifestPath, "utf8").then((res)=>JSON.parse(res)).catch(()=>({})),
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...entries
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}, null, 2));
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};
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if (this.distDir) {
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const pagesManifestPath = path.join(this.distDir, "server", PAGES_MANIFEST);
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await writeMergedManifest(pagesManifestPath, {
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...edgeServerPages,
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...nodeServerPages
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});
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} else {
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const pagesManifestPath = (!this.dev && !this.isEdgeRuntime ? "../" : "") + PAGES_MANIFEST;
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assets[pagesManifestPath] = new sources.RawSource(JSON.stringify({
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...edgeServerPages,
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...nodeServerPages
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}, null, 2));
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}
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if (this.appDirEnabled) {
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if (this.distDir) {
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const appPathsManifestPath = path.join(this.distDir, "server", APP_PATHS_MANIFEST);
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await writeMergedManifest(appPathsManifestPath, {
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...edgeServerAppPaths,
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...nodeServerAppPaths
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});
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} else {
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assets[(!this.dev && !this.isEdgeRuntime ? "../" : "") + APP_PATHS_MANIFEST] = new sources.RawSource(JSON.stringify({
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...edgeServerAppPaths,
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...nodeServerAppPaths
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}, null, 2));
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}
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}
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}
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apply(compiler) {
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compiler.hooks.make.tap("NextJsPagesManifest", (compilation)=>{
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compilation.hooks.processAssets.tapPromise({
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name: "NextJsPagesManifest",
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stage: webpack.Compilation.PROCESS_ASSETS_STAGE_ADDITIONS
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}, (assets)=>this.createAssets(compilation, assets));
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});
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}
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}
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//# sourceMappingURL=pages-manifest-plugin.js.map
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