mirror of https://github.com/webpack/webpack.git
1868 lines
50 KiB
JavaScript
1868 lines
50 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const asyncLib = require("neo-async");
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const util = require("util");
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const { CachedSource } = require("webpack-sources");
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const {
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Tapable,
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SyncHook,
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SyncBailHook,
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SyncWaterfallHook,
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AsyncSeriesHook
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} = require("tapable");
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const EntryModuleNotFoundError = require("./EntryModuleNotFoundError");
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const ModuleNotFoundError = require("./ModuleNotFoundError");
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const ModuleDependencyWarning = require("./ModuleDependencyWarning");
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const ModuleDependencyError = require("./ModuleDependencyError");
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const ChunkGroup = require("./ChunkGroup");
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const Chunk = require("./Chunk");
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const Entrypoint = require("./Entrypoint");
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const MainTemplate = require("./MainTemplate");
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const ChunkTemplate = require("./ChunkTemplate");
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const HotUpdateChunkTemplate = require("./HotUpdateChunkTemplate");
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const ModuleTemplate = require("./ModuleTemplate");
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const RuntimeTemplate = require("./RuntimeTemplate");
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const Dependency = require("./Dependency");
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const ChunkRenderError = require("./ChunkRenderError");
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const AsyncDependencyToInitialChunkError = require("./AsyncDependencyToInitialChunkError");
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const Stats = require("./Stats");
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const Semaphore = require("./util/Semaphore");
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const createHash = require("./util/createHash");
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const Queue = require("./util/Queue");
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const SortableSet = require("./util/SortableSet");
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const GraphHelpers = require("./GraphHelpers");
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const byId = (a, b) => {
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if (a.id < b.id) return -1;
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if (a.id > b.id) return 1;
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return 0;
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};
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const byIdOrIdentifier = (a, b) => {
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if (a.id < b.id) return -1;
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if (a.id > b.id) return 1;
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const identA = a.identifier();
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const identB = b.identifier();
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if (identA < identB) return -1;
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if (identA > identB) return 1;
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return 0;
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};
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const byIndexOrIdentifier = (a, b) => {
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if (a.index < b.index) return -1;
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if (a.index > b.index) return 1;
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const identA = a.identifier();
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const identB = b.identifier();
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if (identA < identB) return -1;
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if (identA > identB) return 1;
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return 0;
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};
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const byNameOrHash = (a, b) => {
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if (a.name < b.name) return -1;
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if (a.name > b.name) return 1;
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if (a.fullHash < b.fullHash) return -1;
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if (a.fullhash > b.fullHash) return 1;
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return 0;
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};
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const iterationBlockVariable = (variables, fn) => {
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for (
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let indexVariable = 0;
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indexVariable < variables.length;
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indexVariable++
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) {
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const varDep = variables[indexVariable].dependencies;
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for (let indexVDep = 0; indexVDep < varDep.length; indexVDep++) {
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fn(varDep[indexVDep]);
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}
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}
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};
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const iterationOfArrayCallback = (arr, fn) => {
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for (let index = 0; index < arr.length; index++) {
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fn(arr[index]);
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}
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};
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function addAllToSet(set, otherSet) {
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for (const item of otherSet) {
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set.add(item);
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}
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}
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class Compilation extends Tapable {
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constructor(compiler) {
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super();
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this.hooks = {
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buildModule: new SyncHook(["module"]),
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rebuildModule: new SyncHook(["module"]),
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failedModule: new SyncHook(["module", "error"]),
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succeedModule: new SyncHook(["module"]),
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finishModules: new SyncHook(["modules"]),
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finishRebuildingModule: new SyncHook(["module"]),
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unseal: new SyncHook([]),
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seal: new SyncHook([]),
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optimizeDependenciesBasic: new SyncBailHook(["modules"]),
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optimizeDependencies: new SyncBailHook(["modules"]),
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optimizeDependenciesAdvanced: new SyncBailHook(["modules"]),
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afterOptimizeDependencies: new SyncHook(["modules"]),
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optimize: new SyncHook([]),
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optimizeModulesBasic: new SyncBailHook(["modules"]),
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optimizeModules: new SyncBailHook(["modules"]),
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optimizeModulesAdvanced: new SyncBailHook(["modules"]),
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afterOptimizeModules: new SyncHook(["modules"]),
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optimizeChunksBasic: new SyncBailHook(["chunks", "chunkGroups"]),
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optimizeChunks: new SyncBailHook(["chunks", "chunkGroups"]),
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optimizeChunksAdvanced: new SyncBailHook(["chunks", "chunkGroups"]),
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afterOptimizeChunks: new SyncHook(["chunks", "chunkGroups"]),
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optimizeTree: new AsyncSeriesHook(["chunks", "modules"]),
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afterOptimizeTree: new SyncHook(["chunks", "modules"]),
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optimizeChunkModulesBasic: new SyncBailHook(["chunks", "modules"]),
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optimizeChunkModules: new SyncBailHook(["chunks", "modules"]),
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optimizeChunkModulesAdvanced: new SyncBailHook(["chunks", "modules"]),
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afterOptimizeChunkModules: new SyncHook(["chunks", "modules"]),
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shouldRecord: new SyncBailHook([]),
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reviveModules: new SyncHook(["modules", "records"]),
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optimizeModuleOrder: new SyncHook(["modules"]),
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advancedOptimizeModuleOrder: new SyncHook(["modules"]),
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beforeModuleIds: new SyncHook(["modules"]),
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moduleIds: new SyncHook(["modules"]),
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optimizeModuleIds: new SyncHook(["modules"]),
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afterOptimizeModuleIds: new SyncHook(["modules"]),
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reviveChunks: new SyncHook(["chunks", "records"]),
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optimizeChunkOrder: new SyncHook(["chunks"]),
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beforeChunkIds: new SyncHook(["chunks"]),
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optimizeChunkIds: new SyncHook(["chunks"]),
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afterOptimizeChunkIds: new SyncHook(["chunks"]),
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recordModules: new SyncHook(["modules", "records"]),
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recordChunks: new SyncHook(["chunks", "records"]),
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beforeHash: new SyncHook([]),
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contentHash: new SyncHook(["chunk"]),
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afterHash: new SyncHook([]),
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recordHash: new SyncHook(["records"]),
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record: new SyncHook(["compilation", "records"]),
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beforeModuleAssets: new SyncHook([]),
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shouldGenerateChunkAssets: new SyncBailHook([]),
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beforeChunkAssets: new SyncHook([]),
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additionalChunkAssets: new SyncHook(["chunks"]),
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additionalAssets: new AsyncSeriesHook([]),
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optimizeChunkAssets: new AsyncSeriesHook(["chunks"]),
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afterOptimizeChunkAssets: new SyncHook(["chunks"]),
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optimizeAssets: new AsyncSeriesHook(["assets"]),
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afterOptimizeAssets: new SyncHook(["assets"]),
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needAdditionalSeal: new SyncBailHook([]),
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afterSeal: new AsyncSeriesHook([]),
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chunkHash: new SyncHook(["chunk", "chunkHash"]),
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moduleAsset: new SyncHook(["module", "filename"]),
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chunkAsset: new SyncHook(["chunk", "filename"]),
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assetPath: new SyncWaterfallHook(["filename", "data"]), // TODO MainTemplate
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needAdditionalPass: new SyncBailHook([]),
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childCompiler: new SyncHook([
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"childCompiler",
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"compilerName",
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"compilerIndex"
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]),
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// TODO the following hooks are weirdly located here
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// TODO move them for webpack 5
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normalModuleLoader: new SyncHook(["loaderContext", "module"]),
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optimizeExtractedChunksBasic: new SyncBailHook(["chunks"]),
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optimizeExtractedChunks: new SyncBailHook(["chunks"]),
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optimizeExtractedChunksAdvanced: new SyncBailHook(["chunks"]),
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afterOptimizeExtractedChunks: new SyncHook(["chunks"])
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};
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this._pluginCompat.tap("Compilation", options => {
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switch (options.name) {
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case "optimize-tree":
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case "additional-assets":
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case "optimize-chunk-assets":
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case "optimize-assets":
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case "after-seal":
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options.async = true;
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break;
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}
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});
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this.compiler = compiler;
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this.resolverFactory = compiler.resolverFactory;
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this.inputFileSystem = compiler.inputFileSystem;
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this.requestShortener = compiler.requestShortener;
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const options = (this.options = compiler.options);
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this.outputOptions = options && options.output;
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this.bail = options && options.bail;
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this.profile = options && options.profile;
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this.performance = options && options.performance;
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this.mainTemplate = new MainTemplate(this.outputOptions);
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this.chunkTemplate = new ChunkTemplate(this.outputOptions);
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this.hotUpdateChunkTemplate = new HotUpdateChunkTemplate(
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this.outputOptions
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);
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this.runtimeTemplate = new RuntimeTemplate(
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this.outputOptions,
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this.requestShortener
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);
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this.moduleTemplates = {
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javascript: new ModuleTemplate(this.runtimeTemplate),
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webassembly: new ModuleTemplate(this.runtimeTemplate)
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};
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this.semaphore = new Semaphore(options.parallelism || 100);
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this.entries = [];
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this._preparedEntrypoints = [];
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this.entrypoints = new Map();
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this.chunks = [];
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this.chunkGroups = [];
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this.namedChunkGroups = new Map();
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this.namedChunks = new Map();
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this.modules = [];
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this._modules = new Map();
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this.cache = null;
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this.records = null;
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this.nextFreeModuleIndex = undefined;
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this.nextFreeModuleIndex2 = undefined;
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this.additionalChunkAssets = [];
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this.assets = {};
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this.errors = [];
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this.warnings = [];
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this.children = [];
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this.dependencyFactories = new Map();
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this.dependencyTemplates = new Map();
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this.dependencyTemplates.set("hash", "");
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this.childrenCounters = {};
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this.usedChunkIds = null;
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this.usedModuleIds = null;
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this.fileTimestamps = undefined;
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this.contextTimestamps = undefined;
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this.compilationDependencies = undefined;
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this._buildingModules = new Map();
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this._rebuildingModules = new Map();
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}
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getStats() {
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return new Stats(this);
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}
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addModule(module, cacheGroup) {
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const identifier = module.identifier();
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const alreadyAddedModule = this._modules.get(identifier);
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if (alreadyAddedModule) {
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return {
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module: alreadyAddedModule,
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issuer: false,
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build: false,
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dependencies: false
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};
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}
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const cacheName = (cacheGroup || "m") + identifier;
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if (this.cache && this.cache[cacheName]) {
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const cacheModule = this.cache[cacheName];
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if (typeof cacheModule.updateCacheModule === "function")
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cacheModule.updateCacheModule(module);
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let rebuild = true;
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if (this.fileTimestamps && this.contextTimestamps) {
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rebuild = cacheModule.needRebuild(
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this.fileTimestamps,
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this.contextTimestamps
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);
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}
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if (!rebuild) {
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cacheModule.disconnect();
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this._modules.set(identifier, cacheModule);
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this.modules.push(cacheModule);
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for (const err of cacheModule.errors) this.errors.push(err);
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for (const err of cacheModule.warnings) this.warnings.push(err);
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return {
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module: cacheModule,
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issuer: true,
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build: false,
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dependencies: true
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};
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}
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cacheModule.unbuild();
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module = cacheModule;
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}
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this._modules.set(identifier, module);
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if (this.cache) {
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this.cache[cacheName] = module;
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}
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this.modules.push(module);
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return {
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module: module,
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issuer: true,
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build: true,
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dependencies: true
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};
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}
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getModule(module) {
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const identifier = module.identifier();
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return this._modules.get(identifier);
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}
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findModule(identifier) {
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return this._modules.get(identifier);
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}
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waitForBuildingFinished(module, callback) {
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let callbackList = this._buildingModules.get(module);
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if (callbackList) {
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callbackList.push(() => callback());
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} else {
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process.nextTick(callback);
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}
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}
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buildModule(module, optional, origin, dependencies, thisCallback) {
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let callbackList = this._buildingModules.get(module);
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if (callbackList) {
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callbackList.push(thisCallback);
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return;
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}
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this._buildingModules.set(module, (callbackList = [thisCallback]));
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const callback = err => {
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this._buildingModules.delete(module);
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for (const cb of callbackList) cb(err);
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};
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this.hooks.buildModule.call(module);
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module.build(
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this.options,
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this,
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this.resolverFactory.get("normal", module.resolveOptions),
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this.inputFileSystem,
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error => {
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const errors = module.errors;
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for (let indexError = 0; indexError < errors.length; indexError++) {
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const err = errors[indexError];
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err.origin = origin;
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err.dependencies = dependencies;
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if (optional) this.warnings.push(err);
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else this.errors.push(err);
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}
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const warnings = module.warnings;
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for (
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let indexWarning = 0;
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indexWarning < warnings.length;
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indexWarning++
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) {
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const war = warnings[indexWarning];
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war.origin = origin;
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war.dependencies = dependencies;
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this.warnings.push(war);
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}
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module.dependencies.sort(Dependency.compare);
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if (error) {
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this.hooks.failedModule.call(module, error);
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return callback(error);
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}
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this.hooks.succeedModule.call(module);
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return callback();
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}
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);
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}
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processModuleDependencies(module, callback) {
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const dependencies = new Map();
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const addDependency = dep => {
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const resourceIdent = dep.getResourceIdentifier();
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if (resourceIdent) {
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const factory = this.dependencyFactories.get(dep.constructor);
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if (factory === undefined)
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throw new Error(
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`No module factory available for dependency type: ${
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dep.constructor.name
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}`
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);
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let innerMap = dependencies.get(factory);
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if (innerMap === undefined)
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dependencies.set(factory, (innerMap = new Map()));
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let list = innerMap.get(resourceIdent);
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if (list === undefined) innerMap.set(resourceIdent, (list = []));
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list.push(dep);
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}
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};
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const addDependenciesBlock = block => {
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if (block.dependencies) {
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iterationOfArrayCallback(block.dependencies, addDependency);
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}
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if (block.blocks) {
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iterationOfArrayCallback(block.blocks, addDependenciesBlock);
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}
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if (block.variables) {
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iterationBlockVariable(block.variables, addDependency);
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}
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};
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try {
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addDependenciesBlock(module);
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} catch (e) {
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callback(e);
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}
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const sortedDependencies = [];
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for (const pair1 of dependencies) {
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for (const pair2 of pair1[1]) {
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sortedDependencies.push({
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factory: pair1[0],
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dependencies: pair2[1]
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});
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}
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}
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this.addModuleDependencies(
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module,
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sortedDependencies,
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this.bail,
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null,
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true,
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callback
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);
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}
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addModuleDependencies(
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module,
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dependencies,
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bail,
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cacheGroup,
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recursive,
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callback
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) {
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let _this = this;
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const start = _this.profile && Date.now();
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const currentProfile = _this.profile && {};
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asyncLib.forEach(
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dependencies,
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(item, callback) => {
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const dependencies = item.dependencies;
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const errorAndCallback = err => {
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err.origin = module;
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_this.errors.push(err);
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if (bail) {
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callback(err);
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} else {
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callback();
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}
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};
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const warningAndCallback = err => {
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err.origin = module;
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_this.warnings.push(err);
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callback();
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};
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const semaphore = _this.semaphore;
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semaphore.acquire(() => {
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if (_this === null) return semaphore.release();
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const factory = item.factory;
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factory.create(
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{
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contextInfo: {
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issuer: module.nameForCondition && module.nameForCondition(),
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compiler: _this.compiler.name
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},
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resolveOptions: module.resolveOptions,
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context: module.context,
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dependencies: dependencies
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},
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(err, dependentModule) => {
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if (_this === null) return semaphore.release();
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let afterFactory;
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const isOptional = () => {
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return dependencies.every(d => d.optional);
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};
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const errorOrWarningAndCallback = err => {
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if (isOptional()) {
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return warningAndCallback(err);
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} else {
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return errorAndCallback(err);
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}
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};
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|
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if (err) {
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semaphore.release();
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return errorOrWarningAndCallback(
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new ModuleNotFoundError(module, err, dependencies)
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);
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}
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if (!dependentModule) {
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semaphore.release();
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return process.nextTick(callback);
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}
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if (currentProfile) {
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afterFactory = Date.now();
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currentProfile.factory = afterFactory - start;
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}
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|
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const iterationDependencies = depend => {
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for (let index = 0; index < depend.length; index++) {
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const dep = depend[index];
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dep.module = dependentModule;
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dependentModule.addReason(module, dep);
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}
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};
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const addModuleResult = _this.addModule(
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dependentModule,
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cacheGroup
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);
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|
dependentModule = addModuleResult.module;
|
|
iterationDependencies(dependencies);
|
|
|
|
const afterBuild = () => {
|
|
if (currentProfile) {
|
|
const afterBuilding = Date.now();
|
|
currentProfile.building = afterBuilding - afterFactory;
|
|
}
|
|
|
|
if (recursive && addModuleResult.dependencies) {
|
|
_this.processModuleDependencies(dependentModule, callback);
|
|
} else {
|
|
return callback();
|
|
}
|
|
};
|
|
|
|
if (addModuleResult.issuer) {
|
|
if (currentProfile) {
|
|
dependentModule.profile = currentProfile;
|
|
}
|
|
|
|
dependentModule.issuer = module;
|
|
} else {
|
|
if (_this.profile) {
|
|
if (module.profile) {
|
|
const time = Date.now() - start;
|
|
if (
|
|
!module.profile.dependencies ||
|
|
time > module.profile.dependencies
|
|
) {
|
|
module.profile.dependencies = time;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (addModuleResult.build) {
|
|
_this.buildModule(
|
|
dependentModule,
|
|
isOptional(),
|
|
module,
|
|
dependencies,
|
|
err => {
|
|
if (_this === null) return semaphore.release();
|
|
|
|
if (err) {
|
|
semaphore.release();
|
|
return errorOrWarningAndCallback(err);
|
|
}
|
|
|
|
if (currentProfile) {
|
|
const afterBuilding = Date.now();
|
|
currentProfile.building = afterBuilding - afterFactory;
|
|
}
|
|
|
|
semaphore.release();
|
|
afterBuild();
|
|
}
|
|
);
|
|
} else {
|
|
semaphore.release();
|
|
_this.waitForBuildingFinished(dependentModule, afterBuild);
|
|
}
|
|
}
|
|
);
|
|
});
|
|
},
|
|
err => {
|
|
// In V8, the Error objects keep a reference to the functions on the stack. These warnings &
|
|
// errors are created inside closures that keep a reference to the Compilation, so errors are
|
|
// leaking the Compilation object.
|
|
|
|
if (err) {
|
|
err.stack = err.stack;
|
|
return callback(err);
|
|
}
|
|
|
|
return process.nextTick(callback);
|
|
}
|
|
);
|
|
}
|
|
|
|
_addModuleChain(context, dependency, onModule, callback) {
|
|
const start = this.profile && Date.now();
|
|
const currentProfile = this.profile && {};
|
|
|
|
const errorAndCallback = this.bail
|
|
? err => {
|
|
callback(err);
|
|
}
|
|
: err => {
|
|
err.dependencies = [dependency];
|
|
this.errors.push(err);
|
|
callback();
|
|
};
|
|
|
|
if (
|
|
typeof dependency !== "object" ||
|
|
dependency === null ||
|
|
!dependency.constructor
|
|
) {
|
|
throw new Error("Parameter 'dependency' must be a Dependency");
|
|
}
|
|
|
|
const moduleFactory = this.dependencyFactories.get(dependency.constructor);
|
|
if (!moduleFactory) {
|
|
throw new Error(
|
|
`No dependency factory available for this dependency type: ${
|
|
dependency.constructor.name
|
|
}`
|
|
);
|
|
}
|
|
|
|
this.semaphore.acquire(() => {
|
|
moduleFactory.create(
|
|
{
|
|
contextInfo: {
|
|
issuer: "",
|
|
compiler: this.compiler.name
|
|
},
|
|
context: context,
|
|
dependencies: [dependency]
|
|
},
|
|
(err, module) => {
|
|
if (err) {
|
|
this.semaphore.release();
|
|
return errorAndCallback(new EntryModuleNotFoundError(err));
|
|
}
|
|
|
|
let afterFactory;
|
|
|
|
if (currentProfile) {
|
|
afterFactory = Date.now();
|
|
currentProfile.factory = afterFactory - start;
|
|
}
|
|
|
|
const addModuleResult = this.addModule(module);
|
|
module = addModuleResult.module;
|
|
|
|
onModule(module);
|
|
|
|
dependency.module = module;
|
|
module.addReason(null, dependency);
|
|
|
|
const afterBuild = () => {
|
|
if (currentProfile) {
|
|
const afterBuilding = Date.now();
|
|
currentProfile.building = afterBuilding - afterFactory;
|
|
}
|
|
|
|
if (addModuleResult.dependencies) {
|
|
this.processModuleDependencies(module, err => {
|
|
if (err) return callback(err);
|
|
callback(null, module);
|
|
});
|
|
} else {
|
|
return callback(null, module);
|
|
}
|
|
};
|
|
|
|
if (addModuleResult.issuer) {
|
|
if (currentProfile) {
|
|
module.profile = currentProfile;
|
|
}
|
|
}
|
|
|
|
if (addModuleResult.build) {
|
|
this.buildModule(module, false, null, null, err => {
|
|
if (err) {
|
|
this.semaphore.release();
|
|
return errorAndCallback(err);
|
|
}
|
|
|
|
if (currentProfile) {
|
|
const afterBuilding = Date.now();
|
|
currentProfile.building = afterBuilding - afterFactory;
|
|
}
|
|
|
|
this.semaphore.release();
|
|
afterBuild();
|
|
});
|
|
} else {
|
|
this.semaphore.release();
|
|
this.waitForBuildingFinished(module, afterBuild);
|
|
}
|
|
}
|
|
);
|
|
});
|
|
}
|
|
|
|
addEntry(context, entry, name, callback) {
|
|
const slot = {
|
|
name: name,
|
|
request: entry.request,
|
|
module: null
|
|
};
|
|
this._preparedEntrypoints.push(slot);
|
|
this._addModuleChain(
|
|
context,
|
|
entry,
|
|
module => {
|
|
this.entries.push(module);
|
|
},
|
|
(err, module) => {
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
|
|
if (module) {
|
|
slot.module = module;
|
|
} else {
|
|
const idx = this._preparedEntrypoints.indexOf(slot);
|
|
this._preparedEntrypoints.splice(idx, 1);
|
|
}
|
|
return callback(null, module);
|
|
}
|
|
);
|
|
}
|
|
|
|
prefetch(context, dependency, callback) {
|
|
this._addModuleChain(
|
|
context,
|
|
dependency,
|
|
module => {
|
|
module.prefetched = true;
|
|
},
|
|
callback
|
|
);
|
|
}
|
|
|
|
rebuildModule(module, thisCallback) {
|
|
let callbackList = this._rebuildingModules.get(module);
|
|
if (callbackList) {
|
|
callbackList.push(thisCallback);
|
|
return;
|
|
}
|
|
this._rebuildingModules.set(module, (callbackList = [thisCallback]));
|
|
|
|
const callback = err => {
|
|
this._rebuildingModules.delete(module);
|
|
for (const cb of callbackList) cb(err);
|
|
};
|
|
|
|
this.hooks.rebuildModule.call(module);
|
|
const oldDependencies = module.dependencies.slice();
|
|
const oldVariables = module.variables.slice();
|
|
const oldBlocks = module.blocks.slice();
|
|
module.unbuild();
|
|
this.buildModule(module, false, module, null, err => {
|
|
if (err) {
|
|
this.hooks.finishRebuildingModule.call(module);
|
|
return callback(err);
|
|
}
|
|
|
|
this.processModuleDependencies(module, err => {
|
|
if (err) return callback(err);
|
|
this.removeReasonsOfDependencyBlock(module, {
|
|
dependencies: oldDependencies,
|
|
variables: oldVariables,
|
|
blocks: oldBlocks
|
|
});
|
|
this.hooks.finishRebuildingModule.call(module);
|
|
callback();
|
|
});
|
|
});
|
|
}
|
|
|
|
finish() {
|
|
const modules = this.modules;
|
|
this.hooks.finishModules.call(modules);
|
|
|
|
for (let index = 0; index < modules.length; index++) {
|
|
const module = modules[index];
|
|
this.reportDependencyErrorsAndWarnings(module, [module]);
|
|
}
|
|
}
|
|
|
|
unseal() {
|
|
this.hooks.unseal.call();
|
|
this.chunks.length = 0;
|
|
this.chunkGroups.length = 0;
|
|
this.namedChunks.clear();
|
|
this.namedChunkGroups.clear();
|
|
this.additionalChunkAssets.length = 0;
|
|
this.assets = {};
|
|
for (const module of this.modules) {
|
|
module.unseal();
|
|
}
|
|
}
|
|
|
|
seal(callback) {
|
|
this.hooks.seal.call();
|
|
|
|
while (
|
|
this.hooks.optimizeDependenciesBasic.call(this.modules) ||
|
|
this.hooks.optimizeDependencies.call(this.modules) ||
|
|
this.hooks.optimizeDependenciesAdvanced.call(this.modules)
|
|
) {
|
|
/* empty */
|
|
}
|
|
this.hooks.afterOptimizeDependencies.call(this.modules);
|
|
|
|
this.nextFreeModuleIndex = 0;
|
|
this.nextFreeModuleIndex2 = 0;
|
|
for (const preparedEntrypoint of this._preparedEntrypoints) {
|
|
const module = preparedEntrypoint.module;
|
|
const name = preparedEntrypoint.name;
|
|
const chunk = this.addChunk(name);
|
|
const entrypoint = new Entrypoint(name);
|
|
entrypoint.setRuntimeChunk(chunk);
|
|
entrypoint.addOrigin(null, name, preparedEntrypoint.request);
|
|
this.namedChunkGroups.set(name, entrypoint);
|
|
this.entrypoints.set(name, entrypoint);
|
|
this.chunkGroups.push(entrypoint);
|
|
|
|
GraphHelpers.connectChunkGroupAndChunk(entrypoint, chunk);
|
|
GraphHelpers.connectChunkAndModule(chunk, module);
|
|
|
|
chunk.entryModule = module;
|
|
chunk.name = name;
|
|
|
|
this.assignIndex(module);
|
|
this.assignDepth(module);
|
|
}
|
|
this.processDependenciesBlocksForChunkGroups(this.chunkGroups);
|
|
this.sortModules(this.modules);
|
|
this.hooks.optimize.call();
|
|
|
|
while (
|
|
this.hooks.optimizeModulesBasic.call(this.modules) ||
|
|
this.hooks.optimizeModules.call(this.modules) ||
|
|
this.hooks.optimizeModulesAdvanced.call(this.modules)
|
|
) {
|
|
/* empty */
|
|
}
|
|
this.hooks.afterOptimizeModules.call(this.modules);
|
|
|
|
while (
|
|
this.hooks.optimizeChunksBasic.call(this.chunks, this.chunkGroups) ||
|
|
this.hooks.optimizeChunks.call(this.chunks, this.chunkGroups) ||
|
|
this.hooks.optimizeChunksAdvanced.call(this.chunks, this.chunkGroups)
|
|
) {
|
|
/* empty */
|
|
}
|
|
this.hooks.afterOptimizeChunks.call(this.chunks, this.chunkGroups);
|
|
|
|
this.hooks.optimizeTree.callAsync(this.chunks, this.modules, err => {
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
|
|
this.hooks.afterOptimizeTree.call(this.chunks, this.modules);
|
|
|
|
while (
|
|
this.hooks.optimizeChunkModulesBasic.call(this.chunks, this.modules) ||
|
|
this.hooks.optimizeChunkModules.call(this.chunks, this.modules) ||
|
|
this.hooks.optimizeChunkModulesAdvanced.call(this.chunks, this.modules)
|
|
) {
|
|
/* empty */
|
|
}
|
|
this.hooks.afterOptimizeChunkModules.call(this.chunks, this.modules);
|
|
|
|
const shouldRecord = this.hooks.shouldRecord.call() !== false;
|
|
|
|
this.hooks.reviveModules.call(this.modules, this.records);
|
|
this.hooks.optimizeModuleOrder.call(this.modules);
|
|
this.hooks.advancedOptimizeModuleOrder.call(this.modules);
|
|
this.hooks.beforeModuleIds.call(this.modules);
|
|
this.hooks.moduleIds.call(this.modules);
|
|
this.applyModuleIds();
|
|
this.hooks.optimizeModuleIds.call(this.modules);
|
|
this.hooks.afterOptimizeModuleIds.call(this.modules);
|
|
|
|
this.sortItemsWithModuleIds();
|
|
|
|
this.hooks.reviveChunks.call(this.chunks, this.records);
|
|
this.hooks.optimizeChunkOrder.call(this.chunks);
|
|
this.hooks.beforeChunkIds.call(this.chunks);
|
|
this.applyChunkIds();
|
|
this.hooks.optimizeChunkIds.call(this.chunks);
|
|
this.hooks.afterOptimizeChunkIds.call(this.chunks);
|
|
|
|
this.sortItemsWithChunkIds();
|
|
|
|
if (shouldRecord)
|
|
this.hooks.recordModules.call(this.modules, this.records);
|
|
if (shouldRecord) this.hooks.recordChunks.call(this.chunks, this.records);
|
|
|
|
this.hooks.beforeHash.call();
|
|
this.createHash();
|
|
this.hooks.afterHash.call();
|
|
|
|
if (shouldRecord) this.hooks.recordHash.call(this.records);
|
|
|
|
this.hooks.beforeModuleAssets.call();
|
|
this.createModuleAssets();
|
|
if (this.hooks.shouldGenerateChunkAssets.call() !== false) {
|
|
this.hooks.beforeChunkAssets.call();
|
|
this.createChunkAssets();
|
|
}
|
|
this.hooks.additionalChunkAssets.call(this.chunks);
|
|
this.summarizeDependencies();
|
|
if (shouldRecord) this.hooks.record.call(this, this.records);
|
|
|
|
this.hooks.additionalAssets.callAsync(err => {
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
this.hooks.optimizeChunkAssets.callAsync(this.chunks, err => {
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
this.hooks.afterOptimizeChunkAssets.call(this.chunks);
|
|
this.hooks.optimizeAssets.callAsync(this.assets, err => {
|
|
if (err) {
|
|
return callback(err);
|
|
}
|
|
this.hooks.afterOptimizeAssets.call(this.assets);
|
|
if (this.hooks.needAdditionalSeal.call()) {
|
|
this.unseal();
|
|
return this.seal(callback);
|
|
}
|
|
return this.hooks.afterSeal.callAsync(callback);
|
|
});
|
|
});
|
|
});
|
|
});
|
|
}
|
|
|
|
sortModules(modules) {
|
|
modules.sort(byIndexOrIdentifier);
|
|
}
|
|
|
|
reportDependencyErrorsAndWarnings(module, blocks) {
|
|
for (let indexBlock = 0; indexBlock < blocks.length; indexBlock++) {
|
|
const block = blocks[indexBlock];
|
|
const dependencies = block.dependencies;
|
|
|
|
for (let indexDep = 0; indexDep < dependencies.length; indexDep++) {
|
|
const d = dependencies[indexDep];
|
|
|
|
const warnings = d.getWarnings();
|
|
if (warnings) {
|
|
for (let indexWar = 0; indexWar < warnings.length; indexWar++) {
|
|
const w = warnings[indexWar];
|
|
|
|
const warning = new ModuleDependencyWarning(module, w, d.loc);
|
|
this.warnings.push(warning);
|
|
}
|
|
}
|
|
const errors = d.getErrors();
|
|
if (errors) {
|
|
for (let indexErr = 0; indexErr < errors.length; indexErr++) {
|
|
const e = errors[indexErr];
|
|
|
|
const error = new ModuleDependencyError(module, e, d.loc);
|
|
this.errors.push(error);
|
|
}
|
|
}
|
|
}
|
|
|
|
this.reportDependencyErrorsAndWarnings(module, block.blocks);
|
|
}
|
|
}
|
|
|
|
addChunkInGroup(name, module, loc, request) {
|
|
if (name) {
|
|
const chunkGroup = this.namedChunkGroups.get(name);
|
|
if (chunkGroup !== undefined) {
|
|
if (module) {
|
|
chunkGroup.addOrigin(module, loc, request);
|
|
}
|
|
return chunkGroup;
|
|
}
|
|
}
|
|
const chunkGroup = new ChunkGroup(name);
|
|
if (module) chunkGroup.addOrigin(module, loc, request);
|
|
const chunk = this.addChunk(name);
|
|
|
|
GraphHelpers.connectChunkGroupAndChunk(chunkGroup, chunk);
|
|
|
|
this.chunkGroups.push(chunkGroup);
|
|
if (name) {
|
|
this.namedChunkGroups.set(name, chunkGroup);
|
|
}
|
|
return chunkGroup;
|
|
}
|
|
|
|
addChunk(name) {
|
|
if (name) {
|
|
const chunk = this.namedChunks.get(name);
|
|
if (chunk !== undefined) {
|
|
return chunk;
|
|
}
|
|
}
|
|
const chunk = new Chunk(name);
|
|
this.chunks.push(chunk);
|
|
if (name) {
|
|
this.namedChunks.set(name, chunk);
|
|
}
|
|
return chunk;
|
|
}
|
|
|
|
assignIndex(module) {
|
|
const _this = this;
|
|
|
|
const assignIndexToModule = module => {
|
|
// enter module
|
|
if (typeof module.index !== "number") {
|
|
module.index = _this.nextFreeModuleIndex++;
|
|
|
|
// leave module
|
|
queue.push(() => (module.index2 = _this.nextFreeModuleIndex2++));
|
|
|
|
// enter it as block
|
|
assignIndexToDependencyBlock(module);
|
|
}
|
|
};
|
|
|
|
const assignIndexToDependency = dependency => {
|
|
if (dependency.module) {
|
|
queue.push(() => assignIndexToModule(dependency.module));
|
|
}
|
|
};
|
|
|
|
const assignIndexToDependencyBlock = block => {
|
|
let allDependencies = [];
|
|
|
|
const iteratorDependency = d => allDependencies.push(d);
|
|
|
|
const iteratorBlock = b =>
|
|
queue.push(() => assignIndexToDependencyBlock(b));
|
|
|
|
if (block.variables) {
|
|
iterationBlockVariable(block.variables, iteratorDependency);
|
|
}
|
|
|
|
if (block.dependencies) {
|
|
iterationOfArrayCallback(block.dependencies, iteratorDependency);
|
|
}
|
|
if (block.blocks) {
|
|
const blocks = block.blocks;
|
|
let indexBlock = blocks.length;
|
|
while (indexBlock--) {
|
|
iteratorBlock(blocks[indexBlock]);
|
|
}
|
|
}
|
|
|
|
let indexAll = allDependencies.length;
|
|
while (indexAll--) {
|
|
iteratorAllDependencies(allDependencies[indexAll]);
|
|
}
|
|
};
|
|
|
|
const queue = [
|
|
() => {
|
|
assignIndexToModule(module);
|
|
}
|
|
];
|
|
|
|
const iteratorAllDependencies = d => {
|
|
queue.push(() => assignIndexToDependency(d));
|
|
};
|
|
|
|
while (queue.length) {
|
|
queue.pop()();
|
|
}
|
|
}
|
|
|
|
assignDepth(module) {
|
|
const queue = new Set([module]);
|
|
let depth;
|
|
|
|
module.depth = 0;
|
|
|
|
const enqueueJob = module => {
|
|
const d = module.depth;
|
|
if (typeof d === "number" && d <= depth) return;
|
|
queue.add(module);
|
|
module.depth = depth;
|
|
};
|
|
|
|
const assignDepthToDependency = (dependency, depth) => {
|
|
if (dependency.module) {
|
|
enqueueJob(dependency.module);
|
|
}
|
|
};
|
|
|
|
const assignDepthToDependencyBlock = block => {
|
|
if (block.variables) {
|
|
iterationBlockVariable(block.variables, assignDepthToDependency);
|
|
}
|
|
|
|
if (block.dependencies) {
|
|
iterationOfArrayCallback(block.dependencies, assignDepthToDependency);
|
|
}
|
|
|
|
if (block.blocks) {
|
|
iterationOfArrayCallback(block.blocks, assignDepthToDependencyBlock);
|
|
}
|
|
};
|
|
|
|
for (module of queue) {
|
|
queue.delete(module);
|
|
depth = module.depth;
|
|
|
|
depth++;
|
|
assignDepthToDependencyBlock(module);
|
|
}
|
|
}
|
|
|
|
// This method creates the Chunk graph from the Module graph
|
|
processDependenciesBlocksForChunkGroups(inputChunkGroups) {
|
|
// Process is splitting into two parts:
|
|
// Part one traverse the module graph and builds a very basic chunks graph
|
|
// in chunkDependencies.
|
|
// Part two traverse every possible way through the basic chunk graph and
|
|
// tracks the available modules. While traversing it connects chunks with
|
|
// eachother and Blocks with Chunks. It stops traversing when all modules
|
|
// for a chunk are already available. So it doesn't connect unneeded chunks.
|
|
|
|
const chunkDependencies = new Map(); // Map<Chunk, Array<{Module, Chunk}>>
|
|
const allCreatedChunkGroups = new Set();
|
|
|
|
// PART ONE
|
|
|
|
const blockChunkGroups = new Map();
|
|
|
|
// Start with the provided modules/chunks
|
|
const queue = inputChunkGroups.map(chunkGroup => ({
|
|
block: chunkGroup.chunks[0].entryModule,
|
|
module: chunkGroup.chunks[0].entryModule,
|
|
chunk: chunkGroup.chunks[0],
|
|
chunkGroup
|
|
}));
|
|
|
|
let module, block, chunk, chunkGroup;
|
|
|
|
// For each async Block in graph
|
|
const iteratorBlock = b => {
|
|
// 1. We create a chunk for this Block
|
|
// but only once (blockChunkGroups map)
|
|
let c = blockChunkGroups.get(b);
|
|
if (c === undefined) {
|
|
c = this.namedChunkGroups.get(b.chunkName);
|
|
if (c && c.isInitial()) {
|
|
this.errors.push(
|
|
new AsyncDependencyToInitialChunkError(b.chunkName, module, b.loc)
|
|
);
|
|
c = chunkGroup;
|
|
} else {
|
|
c = this.addChunkInGroup(b.chunkName, module, b.loc, b.request);
|
|
blockChunkGroups.set(b, c);
|
|
allCreatedChunkGroups.add(c);
|
|
}
|
|
} else {
|
|
c.addOrigin(module, b.loc, b.request);
|
|
}
|
|
|
|
// 2. We store the Block+Chunk mapping as dependency for the chunk
|
|
let deps = chunkDependencies.get(chunkGroup);
|
|
if (!deps) chunkDependencies.set(chunkGroup, (deps = []));
|
|
deps.push({
|
|
block: b,
|
|
chunkGroup: c
|
|
});
|
|
|
|
// 3. We enqueue the DependenciesBlock for traversal
|
|
queue.push({
|
|
block: b,
|
|
module: module,
|
|
chunk: c.chunks[0],
|
|
chunkGroup: c
|
|
});
|
|
};
|
|
|
|
// For each Dependency in the graph
|
|
const iteratorDependency = d => {
|
|
// We skip Dependencies without Reference
|
|
const ref = d.getReference();
|
|
if (!ref) {
|
|
return;
|
|
}
|
|
// We skip Dependencies without Module pointer
|
|
const refModule = ref.module;
|
|
if (!refModule) {
|
|
return;
|
|
}
|
|
// We skip weak Dependencies
|
|
if (ref.weak) {
|
|
return;
|
|
}
|
|
// We connect Module and Chunk when not already done
|
|
if (chunk.addModule(refModule)) {
|
|
refModule.addChunk(chunk);
|
|
|
|
// And enqueue the Module for traversal
|
|
queue.push({
|
|
block: refModule,
|
|
module: refModule,
|
|
chunk,
|
|
chunkGroup
|
|
});
|
|
}
|
|
};
|
|
|
|
// Iterative traversal of the Module graph
|
|
// Recursive would be simpler to write but could result in Stack Overflows
|
|
while (queue.length) {
|
|
const queueItem = queue.pop();
|
|
module = queueItem.module;
|
|
block = queueItem.block;
|
|
chunk = queueItem.chunk;
|
|
chunkGroup = queueItem.chunkGroup;
|
|
|
|
// Traverse all variables, Dependencies and Blocks
|
|
if (block.variables) {
|
|
iterationBlockVariable(block.variables, iteratorDependency);
|
|
}
|
|
|
|
if (block.dependencies) {
|
|
iterationOfArrayCallback(block.dependencies, iteratorDependency);
|
|
}
|
|
|
|
if (block.blocks) {
|
|
iterationOfArrayCallback(block.blocks, iteratorBlock);
|
|
}
|
|
}
|
|
|
|
// PART TWO
|
|
|
|
let availableModules;
|
|
let newAvailableModules;
|
|
const queue2 = new Queue(
|
|
inputChunkGroups.map(chunkGroup => ({
|
|
chunkGroup,
|
|
availableModules: new Set()
|
|
}))
|
|
);
|
|
|
|
// Helper function to check if all modules of a chunk are available
|
|
const areModulesAvailable = (chunkGroup, availableModules) => {
|
|
for (const chunk of chunkGroup.chunks) {
|
|
for (const module of chunk.modulesIterable) {
|
|
if (!availableModules.has(module)) return false;
|
|
}
|
|
}
|
|
return true;
|
|
};
|
|
|
|
// For each edge in the basic chunk graph
|
|
const filterFn = dep => {
|
|
// Filter egdes that are not needed because all modules are already available
|
|
// This also filters circular dependencies in the chunks graph
|
|
const depChunkGroup = dep.chunkGroup;
|
|
if (areModulesAvailable(depChunkGroup, newAvailableModules)) return false; // break all modules are already available
|
|
return true;
|
|
};
|
|
|
|
const minAvailableModulesMap = new Map();
|
|
|
|
// Iterative traversing of the basic chunk graph
|
|
while (queue2.length) {
|
|
const queueItem = queue2.dequeue();
|
|
chunkGroup = queueItem.chunkGroup;
|
|
availableModules = queueItem.availableModules;
|
|
|
|
// 1. Get minimal available modules
|
|
// It doesn't make sense to traverse a chunk again with more available modules.
|
|
// This step calculates the minimal available modules and skips traversal when
|
|
// the list didn't shrink.
|
|
let minAvailableModules = minAvailableModulesMap.get(chunkGroup);
|
|
if (minAvailableModules === undefined) {
|
|
minAvailableModulesMap.set(chunkGroup, new Set(availableModules));
|
|
} else {
|
|
let deletedModules = false;
|
|
for (const m of minAvailableModules) {
|
|
if (!availableModules.has(m)) {
|
|
minAvailableModules.delete(m);
|
|
deletedModules = true;
|
|
}
|
|
}
|
|
if (!deletedModules) continue;
|
|
availableModules = minAvailableModules;
|
|
}
|
|
|
|
// 2. Get the edges at this point of the graph
|
|
const deps = chunkDependencies.get(chunkGroup);
|
|
if (!deps) continue;
|
|
if (deps.length === 0) continue;
|
|
|
|
// 3. Create a new Set of available modules at this points
|
|
newAvailableModules = new Set(availableModules);
|
|
for (const chunk of chunkGroup.chunks)
|
|
for (const m of chunk.modulesIterable) newAvailableModules.add(m);
|
|
|
|
// 4. Filter edges with available modules
|
|
const filteredDeps = deps.filter(filterFn);
|
|
|
|
// 5. Foreach remaining edge
|
|
const nextChunkGroups = new Set();
|
|
for (let i = 0; i < filteredDeps.length; i++) {
|
|
const dep = filteredDeps[i];
|
|
const depChunkGroup = dep.chunkGroup;
|
|
const depBlock = dep.block;
|
|
|
|
// 6. Connect block with chunk
|
|
GraphHelpers.connectDependenciesBlockAndChunkGroup(
|
|
depBlock,
|
|
depChunkGroup
|
|
);
|
|
|
|
// 7. Connect chunk with parent
|
|
GraphHelpers.connectChunkGroupParentAndChild(chunkGroup, depChunkGroup);
|
|
|
|
nextChunkGroups.add(depChunkGroup);
|
|
}
|
|
|
|
// 8. Enqueue further traversal
|
|
for (const nextChunkGroup of nextChunkGroups) {
|
|
queue2.enqueue({
|
|
chunkGroup: nextChunkGroup,
|
|
availableModules: newAvailableModules
|
|
});
|
|
}
|
|
}
|
|
|
|
// Remove all unconnected chunk groups
|
|
for (const chunkGroup of allCreatedChunkGroups) {
|
|
if (chunkGroup.getNumberOfParents() === 0) {
|
|
for (const chunk of chunkGroup.chunks) {
|
|
const idx = this.chunks.indexOf(chunk);
|
|
if (idx >= 0) this.chunks.splice(idx, 1);
|
|
chunk.remove("unconnected");
|
|
}
|
|
chunkGroup.remove("unconnected");
|
|
}
|
|
}
|
|
}
|
|
|
|
removeReasonsOfDependencyBlock(module, block) {
|
|
const iteratorDependency = d => {
|
|
if (!d.module) {
|
|
return;
|
|
}
|
|
if (d.module.removeReason(module, d)) {
|
|
for (const chunk of d.module.chunksIterable) {
|
|
this.patchChunksAfterReasonRemoval(d.module, chunk);
|
|
}
|
|
}
|
|
};
|
|
|
|
if (block.blocks) {
|
|
iterationOfArrayCallback(block.blocks, block =>
|
|
this.removeReasonsOfDependencyBlock(module, block)
|
|
);
|
|
}
|
|
|
|
if (block.dependencies) {
|
|
iterationOfArrayCallback(block.dependencies, iteratorDependency);
|
|
}
|
|
|
|
if (block.variables) {
|
|
iterationBlockVariable(block.variables, iteratorDependency);
|
|
}
|
|
}
|
|
|
|
patchChunksAfterReasonRemoval(module, chunk) {
|
|
if (!module.hasReasons()) {
|
|
this.removeReasonsOfDependencyBlock(module, module);
|
|
}
|
|
if (!module.hasReasonForChunk(chunk)) {
|
|
if (module.removeChunk(chunk)) {
|
|
this.removeChunkFromDependencies(module, chunk);
|
|
}
|
|
}
|
|
}
|
|
|
|
removeChunkFromDependencies(block, chunk) {
|
|
const iteratorDependency = d => {
|
|
if (!d.module) {
|
|
return;
|
|
}
|
|
this.patchChunksAfterReasonRemoval(d.module, chunk);
|
|
};
|
|
|
|
const blocks = block.blocks;
|
|
for (let indexBlock = 0; indexBlock < blocks.length; indexBlock++) {
|
|
const chunks = blocks[indexBlock].chunks;
|
|
for (let indexChunk = 0; indexChunk < chunks.length; indexChunk++) {
|
|
const blockChunk = chunks[indexChunk];
|
|
chunk.removeChunk(blockChunk);
|
|
blockChunk.removeParent(chunk);
|
|
this.removeChunkFromDependencies(chunks, blockChunk);
|
|
}
|
|
}
|
|
|
|
if (block.dependencies) {
|
|
iterationOfArrayCallback(block.dependencies, iteratorDependency);
|
|
}
|
|
|
|
if (block.variables) {
|
|
iterationBlockVariable(block.variables, iteratorDependency);
|
|
}
|
|
}
|
|
|
|
applyModuleIds() {
|
|
const unusedIds = [];
|
|
let nextFreeModuleId = 0;
|
|
const usedIds = new Set();
|
|
if (this.usedModuleIds) {
|
|
for (const id of this.usedModuleIds) {
|
|
usedIds.add(id);
|
|
}
|
|
}
|
|
|
|
const modules1 = this.modules;
|
|
for (let indexModule1 = 0; indexModule1 < modules1.length; indexModule1++) {
|
|
const module1 = modules1[indexModule1];
|
|
if (module1.id !== null) {
|
|
usedIds.add(module1.id);
|
|
}
|
|
}
|
|
|
|
if (usedIds.size > 0) {
|
|
let usedIdMax = -1;
|
|
for (const usedIdKey of usedIds) {
|
|
if (typeof usedIdKey !== "number") {
|
|
continue;
|
|
}
|
|
|
|
usedIdMax = Math.max(usedIdMax, usedIdKey);
|
|
}
|
|
|
|
let lengthFreeModules = (nextFreeModuleId = usedIdMax + 1);
|
|
|
|
while (lengthFreeModules--) {
|
|
if (!usedIds.has(lengthFreeModules)) {
|
|
unusedIds.push(lengthFreeModules);
|
|
}
|
|
}
|
|
}
|
|
|
|
const modules2 = this.modules;
|
|
for (let indexModule2 = 0; indexModule2 < modules2.length; indexModule2++) {
|
|
const module2 = modules2[indexModule2];
|
|
if (module2.id === null) {
|
|
if (unusedIds.length > 0) module2.id = unusedIds.pop();
|
|
else module2.id = nextFreeModuleId++;
|
|
}
|
|
}
|
|
}
|
|
|
|
applyChunkIds() {
|
|
const usedIds = new Set();
|
|
|
|
// Get used ids from usedChunkIds property (i. e. from records)
|
|
if (this.usedChunkIds) {
|
|
for (const id of this.usedChunkIds) {
|
|
if (typeof id !== "number") {
|
|
continue;
|
|
}
|
|
|
|
usedIds.add(id);
|
|
}
|
|
}
|
|
|
|
// Get used ids from existing chunks
|
|
const chunks = this.chunks;
|
|
for (let indexChunk = 0; indexChunk < chunks.length; indexChunk++) {
|
|
const chunk = chunks[indexChunk];
|
|
const usedIdValue = chunk.id;
|
|
|
|
if (typeof usedIdValue !== "number") {
|
|
continue;
|
|
}
|
|
|
|
usedIds.add(usedIdValue);
|
|
}
|
|
|
|
// Calculate maximum assigned chunk id
|
|
let nextFreeChunkId = -1;
|
|
for (const id of usedIds) {
|
|
nextFreeChunkId = Math.max(nextFreeChunkId, id);
|
|
}
|
|
nextFreeChunkId++;
|
|
|
|
// Determine free chunk ids from 0 to maximum
|
|
const unusedIds = [];
|
|
if (nextFreeChunkId > 0) {
|
|
let index = nextFreeChunkId;
|
|
while (index--) {
|
|
if (!usedIds.has(index)) {
|
|
unusedIds.push(index);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Assign ids to chunk which has no id
|
|
for (let indexChunk = 0; indexChunk < chunks.length; indexChunk++) {
|
|
const chunk = chunks[indexChunk];
|
|
if (chunk.id === null) {
|
|
if (unusedIds.length > 0) chunk.id = unusedIds.pop();
|
|
else chunk.id = nextFreeChunkId++;
|
|
}
|
|
if (!chunk.ids) {
|
|
chunk.ids = [chunk.id];
|
|
}
|
|
}
|
|
}
|
|
|
|
sortItemsWithModuleIds() {
|
|
this.modules.sort(byIdOrIdentifier);
|
|
|
|
const modules = this.modules;
|
|
for (let indexModule = 0; indexModule < modules.length; indexModule++) {
|
|
modules[indexModule].sortItems(false);
|
|
}
|
|
|
|
const chunks = this.chunks;
|
|
for (let indexChunk = 0; indexChunk < chunks.length; indexChunk++) {
|
|
chunks[indexChunk].sortItems(false);
|
|
}
|
|
}
|
|
|
|
sortItemsWithChunkIds() {
|
|
for (const chunkGroup of this.chunkGroups) {
|
|
chunkGroup.sortItems();
|
|
}
|
|
|
|
this.chunks.sort(byId);
|
|
|
|
for (
|
|
let indexModule = 0;
|
|
indexModule < this.modules.length;
|
|
indexModule++
|
|
) {
|
|
this.modules[indexModule].sortItems(true);
|
|
}
|
|
|
|
const chunks = this.chunks;
|
|
for (let indexChunk = 0; indexChunk < chunks.length; indexChunk++) {
|
|
chunks[indexChunk].sortItems(true);
|
|
}
|
|
|
|
const byMessage = (a, b) => {
|
|
const ma = `${a.message}`;
|
|
const mb = `${b.message}`;
|
|
if (ma < mb) return -1;
|
|
if (mb < ma) return 1;
|
|
return 0;
|
|
};
|
|
|
|
this.errors.sort(byMessage);
|
|
this.warnings.sort(byMessage);
|
|
this.children.sort(byNameOrHash);
|
|
}
|
|
|
|
summarizeDependencies() {
|
|
this.fileDependencies = new SortableSet(this.compilationDependencies);
|
|
this.contextDependencies = new SortableSet();
|
|
this.missingDependencies = new SortableSet();
|
|
|
|
for (
|
|
let indexChildren = 0;
|
|
indexChildren < this.children.length;
|
|
indexChildren++
|
|
) {
|
|
const child = this.children[indexChildren];
|
|
|
|
addAllToSet(this.fileDependencies, child.fileDependencies);
|
|
addAllToSet(this.contextDependencies, child.contextDependencies);
|
|
addAllToSet(this.missingDependencies, child.missingDependencies);
|
|
}
|
|
|
|
for (
|
|
let indexModule = 0;
|
|
indexModule < this.modules.length;
|
|
indexModule++
|
|
) {
|
|
const module = this.modules[indexModule];
|
|
|
|
if (module.buildInfo.fileDependencies) {
|
|
addAllToSet(this.fileDependencies, module.buildInfo.fileDependencies);
|
|
}
|
|
if (module.buildInfo.contextDependencies) {
|
|
addAllToSet(
|
|
this.contextDependencies,
|
|
module.buildInfo.contextDependencies
|
|
);
|
|
}
|
|
}
|
|
for (const error of this.errors) {
|
|
if (
|
|
typeof error.missing === "object" &&
|
|
error.missing &&
|
|
error.missing[Symbol.iterator]
|
|
) {
|
|
addAllToSet(this.missingDependencies, error.missing);
|
|
}
|
|
}
|
|
this.fileDependencies.sort();
|
|
this.contextDependencies.sort();
|
|
this.missingDependencies.sort();
|
|
}
|
|
|
|
createHash() {
|
|
const outputOptions = this.outputOptions;
|
|
const hashFunction = outputOptions.hashFunction;
|
|
const hashDigest = outputOptions.hashDigest;
|
|
const hashDigestLength = outputOptions.hashDigestLength;
|
|
const hash = createHash(hashFunction);
|
|
if (outputOptions.hashSalt) hash.update(outputOptions.hashSalt);
|
|
this.mainTemplate.updateHash(hash);
|
|
this.chunkTemplate.updateHash(hash);
|
|
for (const key of Object.keys(this.moduleTemplates).sort())
|
|
this.moduleTemplates[key].updateHash(hash);
|
|
for (const child of this.children) hash.update(child.hash);
|
|
for (const warning of this.warnings) hash.update(`${warning.message}`);
|
|
for (const error of this.errors) hash.update(`${error.message}`);
|
|
const modules = this.modules;
|
|
for (let i = 0; i < modules.length; i++) {
|
|
const module = modules[i];
|
|
const moduleHash = createHash(hashFunction);
|
|
module.updateHash(moduleHash);
|
|
module.hash = moduleHash.digest(hashDigest);
|
|
module.renderedHash = module.hash.substr(0, hashDigestLength);
|
|
}
|
|
// clone needed as sort below is inplace mutation
|
|
const chunks = this.chunks.slice();
|
|
/**
|
|
* sort here will bring all "falsy" values to the beginning
|
|
* this is needed as the "hasRuntime()" chunks are dependent on the
|
|
* hashes of the non-runtime chunks.
|
|
*/
|
|
chunks.sort((a, b) => {
|
|
const aEntry = a.hasRuntime();
|
|
const bEntry = b.hasRuntime();
|
|
if (aEntry && !bEntry) return 1;
|
|
if (!aEntry && bEntry) return -1;
|
|
return byId(a, b);
|
|
});
|
|
for (let i = 0; i < chunks.length; i++) {
|
|
const chunk = chunks[i];
|
|
const chunkHash = createHash(hashFunction);
|
|
if (outputOptions.hashSalt) chunkHash.update(outputOptions.hashSalt);
|
|
chunk.updateHash(chunkHash);
|
|
const template = chunk.hasRuntime()
|
|
? this.mainTemplate
|
|
: this.chunkTemplate;
|
|
template.updateHashForChunk(chunkHash, chunk);
|
|
this.hooks.chunkHash.call(chunk, chunkHash);
|
|
chunk.hash = chunkHash.digest(hashDigest);
|
|
hash.update(chunk.hash);
|
|
chunk.renderedHash = chunk.hash.substr(0, hashDigestLength);
|
|
this.hooks.contentHash.call(chunk);
|
|
}
|
|
this.fullHash = hash.digest(hashDigest);
|
|
this.hash = this.fullHash.substr(0, hashDigestLength);
|
|
}
|
|
|
|
modifyHash(update) {
|
|
const outputOptions = this.outputOptions;
|
|
const hashFunction = outputOptions.hashFunction;
|
|
const hashDigest = outputOptions.hashDigest;
|
|
const hashDigestLength = outputOptions.hashDigestLength;
|
|
const hash = createHash(hashFunction);
|
|
hash.update(this.fullHash);
|
|
hash.update(update);
|
|
this.fullHash = hash.digest(hashDigest);
|
|
this.hash = this.fullHash.substr(0, hashDigestLength);
|
|
}
|
|
|
|
createModuleAssets() {
|
|
for (let i = 0; i < this.modules.length; i++) {
|
|
const module = this.modules[i];
|
|
if (module.buildInfo.assets) {
|
|
for (const assetName of Object.keys(module.buildInfo.assets)) {
|
|
const fileName = this.getPath(assetName);
|
|
this.assets[fileName] = module.buildInfo.assets[assetName];
|
|
this.hooks.moduleAsset.call(module, fileName);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
createChunkAssets() {
|
|
const outputOptions = this.outputOptions;
|
|
const cachedSourceMap = new Map();
|
|
for (let i = 0; i < this.chunks.length; i++) {
|
|
const chunk = this.chunks[i];
|
|
chunk.files = [];
|
|
let source;
|
|
let file;
|
|
let filenameTemplate;
|
|
try {
|
|
const template = chunk.hasRuntime()
|
|
? this.mainTemplate
|
|
: this.chunkTemplate;
|
|
const manifest = template.getRenderManifest({
|
|
chunk,
|
|
hash: this.hash,
|
|
fullHash: this.fullHash,
|
|
outputOptions,
|
|
moduleTemplates: this.moduleTemplates,
|
|
dependencyTemplates: this.dependencyTemplates
|
|
}); // [{ render(), filenameTemplate, pathOptions, identifier, hash }]
|
|
for (const fileManifest of manifest) {
|
|
const cacheName = fileManifest.identifier;
|
|
const usedHash = fileManifest.hash;
|
|
filenameTemplate = fileManifest.filenameTemplate;
|
|
if (
|
|
this.cache &&
|
|
this.cache[cacheName] &&
|
|
this.cache[cacheName].hash === usedHash
|
|
) {
|
|
source = this.cache[cacheName].source;
|
|
} else {
|
|
source = fileManifest.render();
|
|
// Ensure that source is a cached source to avoid additional cost because of repeated access
|
|
if (!(source instanceof CachedSource)) {
|
|
const cacheEntry = cachedSourceMap.get(source);
|
|
if (cacheEntry) {
|
|
source = cacheEntry;
|
|
} else {
|
|
const cachedSource = new CachedSource(source);
|
|
cachedSourceMap.set(source, cachedSource);
|
|
source = cachedSource;
|
|
}
|
|
}
|
|
if (this.cache) {
|
|
this.cache[cacheName] = {
|
|
hash: usedHash,
|
|
source
|
|
};
|
|
}
|
|
}
|
|
file = this.getPath(filenameTemplate, fileManifest.pathOptions);
|
|
if (this.assets[file] && this.assets[file] !== source)
|
|
throw new Error(
|
|
`Conflict: Multiple assets emit to the same filename ${file}`
|
|
);
|
|
this.assets[file] = source;
|
|
chunk.files.push(file);
|
|
this.hooks.chunkAsset.call(chunk, file);
|
|
}
|
|
} catch (err) {
|
|
this.errors.push(
|
|
new ChunkRenderError(chunk, file || filenameTemplate, err)
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
getPath(filename, data) {
|
|
data = data || {};
|
|
data.hash = data.hash || this.hash;
|
|
return this.mainTemplate.getAssetPath(filename, data);
|
|
}
|
|
|
|
createChildCompiler(name, outputOptions, plugins) {
|
|
const idx = this.childrenCounters[name] || 0;
|
|
this.childrenCounters[name] = idx + 1;
|
|
return this.compiler.createChildCompiler(
|
|
this,
|
|
name,
|
|
idx,
|
|
outputOptions,
|
|
plugins
|
|
);
|
|
}
|
|
|
|
checkConstraints() {
|
|
const usedIds = new Set();
|
|
|
|
const modules = this.modules;
|
|
for (let indexModule = 0; indexModule < modules.length; indexModule++) {
|
|
const moduleId = modules[indexModule].id;
|
|
if (moduleId === null) continue;
|
|
if (usedIds.has(moduleId))
|
|
throw new Error(`checkConstraints: duplicate module id ${moduleId}`);
|
|
usedIds.add(moduleId);
|
|
}
|
|
|
|
const chunks = this.chunks;
|
|
for (let indexChunk = 0; indexChunk < chunks.length; indexChunk++) {
|
|
const chunk = chunks[indexChunk];
|
|
if (chunks.indexOf(chunk) !== indexChunk)
|
|
throw new Error(
|
|
`checkConstraints: duplicate chunk in compilation ${chunk.debugId}`
|
|
);
|
|
}
|
|
|
|
for (const chunkGroup of this.chunkGroups) {
|
|
chunkGroup.checkConstraints();
|
|
}
|
|
}
|
|
}
|
|
|
|
// TODO remove in webpack 5
|
|
Compilation.prototype.applyPlugins = util.deprecate(function(name, ...args) {
|
|
this.hooks[
|
|
name.replace(/[- ]([a-z])/g, match => match[1].toUpperCase())
|
|
].call(...args);
|
|
}, "Compilation.applyPlugins is deprecated. Use new API on `.hooks` instead");
|
|
|
|
// TODO remove in webpack 5
|
|
Object.defineProperty(Compilation.prototype, "moduleTemplate", {
|
|
configurable: false,
|
|
get: util.deprecate(function() {
|
|
return this.moduleTemplates.javascript;
|
|
}, "Compilation.moduleTemplate: Use Compilation.moduleTemplates.javascript instead"),
|
|
set: util.deprecate(function(value) {
|
|
this.moduleTemplates.javascript = value;
|
|
}, "Compilation.moduleTemplate: Use Compilation.moduleTemplates.javascript instead.")
|
|
});
|
|
|
|
module.exports = Compilation;
|