create project

kitabcitab/node_modules/next/dist/build/webpack/plugins/build-manifest-plugin.js

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+"use strict";
+Object.defineProperty(exports, "__esModule", {
+    value: true
+});
+exports.getEntrypointFiles = getEntrypointFiles;
+exports.default = void 0;
+var _devalue = _interopRequireDefault(require("next/dist/compiled/devalue"));
+var _webpack = require("next/dist/compiled/webpack/webpack");
+var _constants = require("../../../shared/lib/constants");
+var _getRouteFromEntrypoint = _interopRequireDefault(require("../../../server/get-route-from-entrypoint"));
+var _nextDropClientPagePlugin = require("./next-drop-client-page-plugin");
+var _utils = require("../../../shared/lib/router/utils");
+var _profilingPlugin = require("./profiling-plugin");
+class BuildManifestPlugin {
+    constructor(options){
+        this.buildId = options.buildId;
+        this.isDevFallback = !!options.isDevFallback;
+        this.rewrites = {
+            beforeFiles: [],
+            afterFiles: [],
+            fallback: []
+        };
+        this.appDirEnabled = options.appDirEnabled;
+        this.rewrites.beforeFiles = options.rewrites.beforeFiles.map(processRoute);
+        this.rewrites.afterFiles = options.rewrites.afterFiles.map(processRoute);
+        this.rewrites.fallback = options.rewrites.fallback.map(processRoute);
+        this.exportRuntime = !!options.exportRuntime;
+    }
+    createAssets(compiler, compilation, assets) {
+        const compilationSpan = _profilingPlugin.spans.get(compilation) || _profilingPlugin.spans.get(compiler);
+        const createAssetsSpan = compilationSpan == null ? void 0 : compilationSpan.traceChild("NextJsBuildManifest-createassets");
+        return createAssetsSpan == null ? void 0 : createAssetsSpan.traceFn(()=>{
+            const entrypoints = compilation.entrypoints;
+            const assetMap = {
+                polyfillFiles: [],
+                devFiles: [],
+                ampDevFiles: [],
+                lowPriorityFiles: [],
+                rootMainFiles: [],
+                pages: {
+                    "/_app": []
+                },
+                ampFirstPages: []
+            };
+            const ampFirstEntryNames = _nextDropClientPagePlugin.ampFirstEntryNamesMap.get(compilation);
+            if (ampFirstEntryNames) {
+                for (const entryName of ampFirstEntryNames){
+                    const pagePath = (0, _getRouteFromEntrypoint).default(entryName);
+                    if (!pagePath) {
+                        continue;
+                    }
+                    assetMap.ampFirstPages.push(pagePath);
+                }
+            }
+            const mainFiles = new Set(getEntrypointFiles(entrypoints.get(_constants.CLIENT_STATIC_FILES_RUNTIME_MAIN)));
+            if (this.appDirEnabled) {
+                assetMap.rootMainFiles = [
+                    ...new Set(getEntrypointFiles(entrypoints.get(_constants.CLIENT_STATIC_FILES_RUNTIME_MAIN_APP))), 
+                ];
+            }
+            const compilationAssets = compilation.getAssets();
+            assetMap.polyfillFiles = compilationAssets.filter((p)=>{
+                // Ensure only .js files are passed through
+                if (!p.name.endsWith(".js")) {
+                    return false;
+                }
+                return p.info && _constants.CLIENT_STATIC_FILES_RUNTIME_POLYFILLS_SYMBOL in p.info;
+            }).map((v)=>v.name);
+            assetMap.devFiles = getEntrypointFiles(entrypoints.get(_constants.CLIENT_STATIC_FILES_RUNTIME_REACT_REFRESH)).filter((file)=>!mainFiles.has(file));
+            assetMap.ampDevFiles = getEntrypointFiles(entrypoints.get(_constants.CLIENT_STATIC_FILES_RUNTIME_AMP));
+            const systemEntrypoints = new Set([
+                _constants.CLIENT_STATIC_FILES_RUNTIME_MAIN,
+                _constants.CLIENT_STATIC_FILES_RUNTIME_REACT_REFRESH,
+                _constants.CLIENT_STATIC_FILES_RUNTIME_AMP,
+                ...this.appDirEnabled ? [
+                    _constants.CLIENT_STATIC_FILES_RUNTIME_MAIN_APP
+                ] : [], 
+            ]);
+            for (const entrypoint of compilation.entrypoints.values()){
+                if (systemEntrypoints.has(entrypoint.name)) continue;
+                const pagePath = (0, _getRouteFromEntrypoint).default(entrypoint.name);
+                if (!pagePath) {
+                    continue;
+                }
+                const filesForPage = getEntrypointFiles(entrypoint);
+                assetMap.pages[pagePath] = [
+                    ...new Set([
+                        ...mainFiles,
+                        ...filesForPage
+                    ])
+                ];
+            }
+            if (!this.isDevFallback) {
+                // Add the runtime build manifest file (generated later in this file)
+                // as a dependency for the app. If the flag is false, the file won't be
+                // downloaded by the client.
+                assetMap.lowPriorityFiles.push(`${_constants.CLIENT_STATIC_FILES_PATH}/${this.buildId}/_buildManifest.js`);
+                // Add the runtime ssg manifest file as a lazy-loaded file dependency.
+                // We also stub this file out for development mode (when it is not
+                // generated).
+                const srcEmptySsgManifest = `self.__SSG_MANIFEST=new Set;self.__SSG_MANIFEST_CB&&self.__SSG_MANIFEST_CB()`;
+                const ssgManifestPath = `${_constants.CLIENT_STATIC_FILES_PATH}/${this.buildId}/_ssgManifest.js`;
+                assetMap.lowPriorityFiles.push(ssgManifestPath);
+                assets[ssgManifestPath] = new _webpack.sources.RawSource(srcEmptySsgManifest);
+            }
+            assetMap.pages = Object.keys(assetMap.pages).sort()// eslint-disable-next-line
+            .reduce((a, c)=>(a[c] = assetMap.pages[c], a), {});
+            let buildManifestName = _constants.BUILD_MANIFEST;
+            if (this.isDevFallback) {
+                buildManifestName = `fallback-${_constants.BUILD_MANIFEST}`;
+            }
+            assets[buildManifestName] = new _webpack.sources.RawSource(JSON.stringify(assetMap, null, 2));
+            if (this.exportRuntime) {
+                assets[`server/${_constants.MIDDLEWARE_BUILD_MANIFEST}.js`] = new _webpack.sources.RawSource(`self.__BUILD_MANIFEST=${JSON.stringify(assetMap)}`);
+            }
+            if (!this.isDevFallback) {
+                const clientManifestPath = `${_constants.CLIENT_STATIC_FILES_PATH}/${this.buildId}/_buildManifest.js`;
+                assets[clientManifestPath] = new _webpack.sources.RawSource(`self.__BUILD_MANIFEST = ${generateClientManifest(compiler, compilation, assetMap, this.rewrites)};self.__BUILD_MANIFEST_CB && self.__BUILD_MANIFEST_CB()`);
+            }
+            return assets;
+        });
+    }
+    apply(compiler) {
+        compiler.hooks.make.tap("NextJsBuildManifest", (compilation)=>{
+            compilation.hooks.processAssets.tap({
+                name: "NextJsBuildManifest",
+                stage: _webpack.webpack.Compilation.PROCESS_ASSETS_STAGE_ADDITIONS
+            }, (assets)=>{
+                this.createAssets(compiler, compilation, assets);
+            });
+        });
+        return;
+    }
+}
+exports.default = BuildManifestPlugin;
+function _interopRequireDefault(obj) {
+    return obj && obj.__esModule ? obj : {
+        default: obj
+    };
+}
+// This function takes the asset map generated in BuildManifestPlugin and creates a
+// reduced version to send to the client.
+function generateClientManifest(compiler, compilation, assetMap, rewrites) {
+    const compilationSpan = _profilingPlugin.spans.get(compilation) || _profilingPlugin.spans.get(compiler);
+    const genClientManifestSpan = compilationSpan == null ? void 0 : compilationSpan.traceChild("NextJsBuildManifest-generateClientManifest");
+    return genClientManifestSpan == null ? void 0 : genClientManifestSpan.traceFn(()=>{
+        const clientManifest = {
+            // TODO: update manifest type to include rewrites
+            __rewrites: rewrites
+        };
+        const appDependencies = new Set(assetMap.pages["/_app"]);
+        const sortedPageKeys = (0, _utils).getSortedRoutes(Object.keys(assetMap.pages));
+        sortedPageKeys.forEach((page)=>{
+            const dependencies = assetMap.pages[page];
+            if (page === "/_app") return;
+            // Filter out dependencies in the _app entry, because those will have already
+            // been loaded by the client prior to a navigation event
+            const filteredDeps = dependencies.filter((dep)=>!appDependencies.has(dep));
+            // The manifest can omit the page if it has no requirements
+            if (filteredDeps.length) {
+                clientManifest[page] = filteredDeps;
+            }
+        });
+        // provide the sorted pages as an array so we don't rely on the object's keys
+        // being in order and we don't slow down look-up time for page assets
+        clientManifest.sortedPages = sortedPageKeys;
+        return (0, _devalue).default(clientManifest);
+    });
+}
+function getEntrypointFiles(entrypoint) {
+    return (entrypoint == null ? void 0 : entrypoint.getFiles().filter((file)=>{
+        // We don't want to include `.hot-update.js` files into the initial page
+        return /(?<!\.hot-update)\.(js|css)($|\?)/.test(file);
+    }).map((file)=>file.replace(/\\/g, "/"))) ?? [];
+}
+const processRoute = (r)=>{
+    const rewrite = {
+        ...r
+    };
+    // omit external rewrite destinations since these aren't
+    // handled client-side
+    if (!rewrite.destination.startsWith("/")) {
+        delete rewrite.destination;
+    }
+    return rewrite;
+};
+
+//# sourceMappingURL=build-manifest-plugin.js.map