mirror of https://github.com/webpack/webpack.git
1719 lines
49 KiB
JavaScript
1719 lines
49 KiB
JavaScript
/*
|
|
MIT License http://www.opensource.org/licenses/mit-license.php
|
|
Author Tobias Koppers @sokra
|
|
*/
|
|
"use strict";
|
|
|
|
const asyncLib = require("async");
|
|
const util = require("util");
|
|
const Tapable = require("tapable").Tapable;
|
|
const SyncHook = require("tapable").SyncHook;
|
|
const SyncBailHook = require("tapable").SyncBailHook;
|
|
const SyncWaterfallHook = require("tapable").SyncWaterfallHook;
|
|
const AsyncSeriesHook = require("tapable").AsyncSeriesHook;
|
|
const EntryModuleNotFoundError = require("./EntryModuleNotFoundError");
|
|
const ModuleNotFoundError = require("./ModuleNotFoundError");
|
|
const ModuleDependencyWarning = require("./ModuleDependencyWarning");
|
|
const ModuleDependencyError = require("./ModuleDependencyError");
|
|
const ChunkGroup = require("./ChunkGroup");
|
|
const Chunk = require("./Chunk");
|
|
const Entrypoint = require("./Entrypoint");
|
|
const MainTemplate = require("./MainTemplate");
|
|
const ChunkTemplate = require("./ChunkTemplate");
|
|
const HotUpdateChunkTemplate = require("./HotUpdateChunkTemplate");
|
|
const ModuleTemplate = require("./ModuleTemplate");
|
|
const RuntimeTemplate = require("./RuntimeTemplate");
|
|
const Dependency = require("./Dependency");
|
|
const ChunkRenderError = require("./ChunkRenderError");
|
|
const AsyncDependencyToInitialChunkError = require("./AsyncDependencyToInitialChunkError");
|
|
const CachedSource = require("webpack-sources").CachedSource;
|
|
const Stats = require("./Stats");
|
|
const Semaphore = require("./util/Semaphore");
|
|
const createHash = require("./util/createHash");
|
|
const Queue = require("./util/Queue");
|
|
const SortableSet = require("./util/SortableSet");
|
|
const GraphHelpers = require("./GraphHelpers");
|
|
|
|
const byId = (a, b) => {
|
|
if(a.id < b.id) return -1;
|
|
if(a.id > b.id) return 1;
|
|
return 0;
|
|
};
|
|
|
|
const byIdOrIdentifier = (a, b) => {
|
|
if(a.id < b.id) return -1;
|
|
if(a.id > b.id) return 1;
|
|
const identA = a.identifier();
|
|
const identB = b.identifier();
|
|
if(identA < identB) return -1;
|
|
if(identA > identB) return 1;
|
|
return 0;
|
|
};
|
|
|
|
const byIndexOrIdentifier = (a, b) => {
|
|
if(a.index < b.index) return -1;
|
|
if(a.index > b.index) return 1;
|
|
const identA = a.identifier();
|
|
const identB = b.identifier();
|
|
if(identA < identB) return -1;
|
|
if(identA > identB) return 1;
|
|
return 0;
|
|
};
|
|
|
|
const iterationBlockVariable = (variables, fn) => {
|
|
for(let indexVariable = 0; indexVariable < variables.length; indexVariable++) {
|
|
const varDep = variables[indexVariable].dependencies;
|
|
for(let indexVDep = 0; indexVDep < varDep.length; indexVDep++) {
|
|
fn(varDep[indexVDep]);
|
|
}
|
|
}
|
|
};
|
|
|
|
const iterationOfArrayCallback = (arr, fn) => {
|
|
for(let index = 0; index < arr.length; index++) {
|
|
fn(arr[index]);
|
|
}
|
|
};
|
|
|
|
function addAllToSet(set, otherSet) {
|
|
for(const item of otherSet) {
|
|
set.add(item);
|
|
}
|
|
}
|
|
|
|
class Compilation extends Tapable {
|
|
constructor(compiler) {
|
|
super();
|
|
this.hooks = {
|
|
buildModule: new SyncHook(["module"]),
|
|
rebuildModule: new SyncHook(["module"]),
|
|
failedModule: new SyncHook(["module", "error"]),
|
|
succeedModule: new SyncHook(["module"]),
|
|
|
|
finishModules: new SyncHook(["modules"]),
|
|
finishRebuildingModule: new SyncHook(["module"]),
|
|
|
|
unseal: new SyncHook([]),
|
|
seal: new SyncHook([]),
|
|
|
|
optimizeDependenciesBasic: new SyncBailHook(["modules"]),
|
|
optimizeDependencies: new SyncBailHook(["modules"]),
|
|
optimizeDependenciesAdvanced: new SyncBailHook(["modules"]),
|
|
afterOptimizeDependencies: new SyncHook(["modules"]),
|
|
|
|
optimize: new SyncHook([]),
|
|
|
|
optimizeModulesBasic: new SyncBailHook(["modules"]),
|
|
optimizeModules: new SyncBailHook(["modules"]),
|
|
optimizeModulesAdvanced: new SyncBailHook(["modules"]),
|
|
afterOptimizeModules: new SyncHook(["modules"]),
|
|
|
|
optimizeChunksBasic: new SyncBailHook(["chunks", "chunkGroups"]),
|
|
optimizeChunks: new SyncBailHook(["chunks", "chunkGroups"]),
|
|
optimizeChunksAdvanced: new SyncBailHook(["chunks", "chunkGroups"]),
|
|
afterOptimizeChunks: new SyncHook(["chunks", "chunkGroups"]),
|
|
|
|
optimizeTree: new AsyncSeriesHook(["chunks", "modules"]),
|
|
afterOptimizeTree: new SyncHook(["chunks", "modules"]),
|
|
|
|
optimizeChunkModulesBasic: new SyncBailHook(["chunks", "modules"]),
|
|
optimizeChunkModules: new SyncBailHook(["chunks", "modules"]),
|
|
optimizeChunkModulesAdvanced: new SyncBailHook(["chunks", "modules"]),
|
|
afterOptimizeChunkModules: new SyncHook(["chunks", "modules"]),
|
|
shouldRecord: new SyncBailHook([]),
|
|
|
|
reviveModules: new SyncHook(["modules", "records"]),
|
|
optimizeModuleOrder: new SyncHook(["modules"]),
|
|
advancedOptimizeModuleOrder: new SyncHook(["modules"]),
|
|
beforeModuleIds: new SyncHook(["modules"]),
|
|
moduleIds: new SyncHook(["modules"]),
|
|
optimizeModuleIds: new SyncHook(["modules"]),
|
|
afterOptimizeModuleIds: new SyncHook(["modules"]),
|
|
|
|
reviveChunks: new SyncHook(["chunks", "records"]),
|
|
optimizeChunkOrder: new SyncHook(["chunks"]),
|
|
beforeChunkIds: new SyncHook(["chunks"]),
|
|
optimizeChunkIds: new SyncHook(["chunks"]),
|
|
afterOptimizeChunkIds: new SyncHook(["chunks"]),
|
|
|
|
recordModules: new SyncHook(["modules", "records"]),
|
|
recordChunks: new SyncHook(["chunks", "records"]),
|
|
|
|
beforeHash: new SyncHook([]),
|
|
afterHash: new SyncHook([]),
|
|
|
|
recordHash: new SyncHook(["records"]),
|
|
|
|
record: new SyncHook(["compilation", "records"]),
|
|
|
|
beforeModuleAssets: new SyncHook([]),
|
|
shouldGenerateChunkAssets: new SyncBailHook([]),
|
|
beforeChunkAssets: new SyncHook([]),
|
|
additionalChunkAssets: new SyncHook(["chunks"]),
|
|
|
|
records: new SyncHook(["compilation", "records"]),
|
|
|
|
additionalAssets: new AsyncSeriesHook([]),
|
|
optimizeChunkAssets: new AsyncSeriesHook(["chunks"]),
|
|
afterOptimizeChunkAssets: new SyncHook(["chunks"]),
|
|
optimizeAssets: new AsyncSeriesHook(["assets"]),
|
|
afterOptimizeAssets: new SyncHook(["assets"]),
|
|
|
|
needAdditionalSeal: new SyncBailHook([]),
|
|
afterSeal: new AsyncSeriesHook([]),
|
|
|
|
chunkHash: new SyncHook(["chunk", "chunkHash"]),
|
|
moduleAsset: new SyncHook(["module", "filename"]),
|
|
chunkAsset: new SyncHook(["chunk", "filename"]),
|
|
|
|
assetPath: new SyncWaterfallHook(["filename", "data"]), // TODO MainTemplate
|
|
|
|
needAdditionalPass: new SyncBailHook([]),
|
|
childCompiler: new SyncHook(["childCompiler", "compilerName", "compilerIndex"]),
|
|
|
|
// TODO the following hooks are weirdly located here
|
|
// TODO move them for webpack 5
|
|
normalModuleLoader: new SyncHook(["loaderContext", "module"]),
|
|
|
|
optimizeExtractedChunksBasic: new SyncBailHook(["chunks"]),
|
|
optimizeExtractedChunks: new SyncBailHook(["chunks"]),
|
|
optimizeExtractedChunksAdvanced: new SyncBailHook(["chunks"]),
|
|
afterOptimizeExtractedChunks: new SyncHook(["chunks"]),
|
|
};
|
|
this._pluginCompat.tap("Compilation", options => {
|
|
switch(options.name) {
|
|
case "optimize-tree":
|
|
case "additional-assets":
|
|
case "optimize-chunk-assets":
|
|
case "optimize-assets":
|
|
case "after-seal":
|
|
options.async = true;
|
|
break;
|
|
}
|
|
});
|
|
this.compiler = compiler;
|
|
this.resolverFactory = compiler.resolverFactory;
|
|
this.inputFileSystem = compiler.inputFileSystem;
|
|
this.requestShortener = compiler.requestShortener;
|
|
|
|
const options = this.options = compiler.options;
|
|
this.outputOptions = options && options.output;
|
|
this.bail = options && options.bail;
|
|
this.profile = options && options.profile;
|
|
this.performance = options && options.performance;
|
|
|
|
this.mainTemplate = new MainTemplate(this.outputOptions);
|
|
this.chunkTemplate = new ChunkTemplate(this.outputOptions);
|
|
this.hotUpdateChunkTemplate = new HotUpdateChunkTemplate(this.outputOptions);
|
|
this.runtimeTemplate = new RuntimeTemplate(this.outputOptions, this.requestShortener);
|
|
this.moduleTemplates = {
|
|
javascript: new ModuleTemplate(this.runtimeTemplate),
|
|
webassembly: new ModuleTemplate(this.runtimeTemplate)
|
|
};
|
|
|
|
this.semaphore = new Semaphore(options.parallelism || 100);
|
|
|
|
this.entries = [];
|
|
this._preparedEntrypoints = [];
|
|
this.entrypoints = new Map();
|
|
this.chunks = [];
|
|
this.chunkGroups = [];
|
|
this.namedChunkGroups = new Map();
|
|
this.namedChunks = new Map();
|
|
this.modules = [];
|
|
this._modules = new Map();
|
|
this.cache = null;
|
|
this.records = null;
|
|
this.nextFreeModuleIndex = undefined;
|
|
this.nextFreeModuleIndex2 = undefined;
|
|
this.additionalChunkAssets = [];
|
|
this.assets = {};
|
|
this.errors = [];
|
|
this.warnings = [];
|
|
this.children = [];
|
|
this.dependencyFactories = new Map();
|
|
this.dependencyTemplates = new Map();
|
|
this.dependencyTemplates.set("hash", "");
|
|
this.childrenCounters = {};
|
|
this.usedChunkIds = null;
|
|
this.usedModuleIds = null;
|
|
|
|
this._buildingModules = new Map();
|
|
this._rebuildingModules = new Map();
|
|
}
|
|
|
|
getStats() {
|
|
return new Stats(this);
|
|
}
|
|
|
|
addModule(module, cacheGroup) {
|
|
const identifier = module.identifier();
|
|
const alreadyAddedModule = this._modules.get(identifier);
|
|
if(alreadyAddedModule) {
|
|
return {
|
|
module: alreadyAddedModule,
|
|
issuer: false,
|
|
build: false,
|
|
dependencies: false
|
|
};
|
|
}
|
|
const cacheName = (cacheGroup || "m") + identifier;
|
|
if(this.cache && this.cache[cacheName]) {
|
|
const cacheModule = this.cache[cacheName];
|
|
|
|
let rebuild = true;
|
|
if(this.fileTimestamps && this.contextTimestamps) {
|
|
rebuild = cacheModule.needRebuild(this.fileTimestamps, this.contextTimestamps);
|
|
}
|
|
|
|
if(!rebuild) {
|
|
cacheModule.disconnect();
|
|
this._modules.set(identifier, cacheModule);
|
|
this.modules.push(cacheModule);
|
|
cacheModule.errors.forEach(err => this.errors.push(err));
|
|
cacheModule.warnings.forEach(err => this.warnings.push(err));
|
|
return {
|
|
module: cacheModule,
|
|
issuer: true,
|
|
build: false,
|
|
dependencies: true
|
|
};
|
|
}
|
|
cacheModule.unbuild();
|
|
module = cacheModule;
|
|
}
|
|
this._modules.set(identifier, module);
|
|
if(this.cache) {
|
|
this.cache[cacheName] = module;
|
|
}
|
|
this.modules.push(module);
|
|
return {
|
|
module: module,
|
|
issuer: true,
|
|
build: true,
|
|
dependencies: true
|
|
};
|
|
}
|
|
|
|
getModule(module) {
|
|
const identifier = module.identifier();
|
|
return this._modules.get(identifier);
|
|
}
|
|
|
|
findModule(identifier) {
|
|
return this._modules.get(identifier);
|
|
}
|
|
|
|
waitForBuildingFinished(module, callback) {
|
|
let callbackList = this._buildingModules.get(module);
|
|
if(callbackList) {
|
|
callbackList.push(() => callback());
|
|
} else {
|
|
process.nextTick(callback);
|
|
}
|
|
}
|
|
|
|
buildModule(module, optional, origin, dependencies, thisCallback) {
|
|
let callbackList = this._buildingModules.get(module);
|
|
if(callbackList) {
|
|
callbackList.push(thisCallback);
|
|
return;
|
|
}
|
|
this._buildingModules.set(module, callbackList = [thisCallback]);
|
|
|
|
const callback = err => {
|
|
this._buildingModules.delete(module);
|
|
callbackList.forEach(cb => cb(err));
|
|
};
|
|
|
|
this.hooks.buildModule.call(module);
|
|
module.build(this.options, this, this.resolverFactory.get("normal", module.resolveOptions), this.inputFileSystem, (error) => {
|
|
const errors = module.errors;
|
|
for(let indexError = 0; indexError < errors.length; indexError++) {
|
|
const err = errors[indexError];
|
|
err.origin = origin;
|
|
err.dependencies = dependencies;
|
|
if(optional)
|
|
this.warnings.push(err);
|
|
else
|
|
this.errors.push(err);
|
|
}
|
|
|
|
const warnings = module.warnings;
|
|
for(let indexWarning = 0; indexWarning < warnings.length; indexWarning++) {
|
|
const war = warnings[indexWarning];
|
|
war.origin = origin;
|
|
war.dependencies = dependencies;
|
|
this.warnings.push(war);
|
|
}
|
|
module.dependencies.sort(Dependency.compare);
|
|
if(error) {
|
|
this.hooks.failedModule.call(module, error);
|
|
return callback(error);
|
|
}
|
|
this.hooks.succeedModule.call(module);
|
|
return callback();
|
|
});
|
|
}
|
|
|
|
processModuleDependencies(module, callback) {
|
|
const dependencies = new Map();
|
|
|
|
const addDependency = dep => {
|
|
const resourceIdent = dep.getResourceIdentifier();
|
|
if(resourceIdent) {
|
|
const factory = this.dependencyFactories.get(dep.constructor);
|
|
if(factory === undefined)
|
|
throw new Error(`No module factory available for dependency type: ${dep.constructor.name}`);
|
|
let innerMap = dependencies.get(factory);
|
|
if(innerMap === undefined)
|
|
dependencies.set(factory, innerMap = new Map());
|
|
let list = innerMap.get(resourceIdent);
|
|
if(list === undefined)
|
|
innerMap.set(resourceIdent, list = []);
|
|
list.push(dep);
|
|
}
|
|
};
|
|
|
|
const addDependenciesBlock = block => {
|
|
if(block.dependencies) {
|
|
iterationOfArrayCallback(block.dependencies, addDependency);
|
|
}
|
|
if(block.blocks) {
|
|
iterationOfArrayCallback(block.blocks, addDependenciesBlock);
|
|
}
|
|
if(block.variables) {
|
|
iterationBlockVariable(block.variables, addDependency);
|
|
}
|
|
};
|
|
|
|
try {
|
|
addDependenciesBlock(module);
|
|
} catch(e) {
|
|
callback(e);
|
|
}
|
|
|
|
const sortedDependencies = [];
|
|
|
|
for(const pair1 of dependencies) {
|
|
for(const pair2 of pair1[1]) {
|
|
sortedDependencies.push({
|
|
factory: pair1[0],
|
|
dependencies: pair2[1]
|
|
});
|
|
}
|
|
}
|
|
|
|
this.addModuleDependencies(module, sortedDependencies, this.bail, null, true, callback);
|
|
}
|
|
|
|
addModuleDependencies(module, dependencies, bail, cacheGroup, recursive, callback) {
|
|
let _this = this;
|
|
const start = _this.profile && Date.now();
|
|
const currentProfile = _this.profile && {};
|
|
|
|
asyncLib.forEach(dependencies, (item, callback) => {
|
|
const dependencies = item.dependencies;
|
|
|
|
const errorAndCallback = err => {
|
|
err.origin = module;
|
|
_this.errors.push(err);
|
|
if(bail) {
|
|
callback(err);
|
|
} else {
|
|
callback();
|
|
}
|
|
};
|
|
const warningAndCallback = err => {
|
|
err.origin = module;
|
|
_this.warnings.push(err);
|
|
callback();
|
|
};
|
|
|
|
const semaphore = _this.semaphore;
|
|
semaphore.acquire(() => {
|
|
if(_this === null) return semaphore.release();
|
|
|
|
const factory = item.factory;
|
|
factory.create({
|
|
contextInfo: {
|
|
issuer: module.nameForCondition && module.nameForCondition(),
|
|
compiler: _this.compiler.name
|
|
},
|
|
resolveOptions: module.resolveOptions,
|
|
context: module.context,
|
|
dependencies: dependencies
|
|
}, (err, dependentModule) => {
|
|
if(_this === null) return semaphore.release();
|
|
|
|
let afterFactory;
|
|
|
|
const isOptional = () => {
|
|
return dependencies.every(d => d.optional);
|
|
};
|
|
|
|
const errorOrWarningAndCallback = err => {
|
|
if(isOptional()) {
|
|
return warningAndCallback(err);
|
|
} else {
|
|
return errorAndCallback(err);
|
|
}
|
|
};
|
|
|
|
if(err) {
|
|
semaphore.release();
|
|
return errorOrWarningAndCallback(new ModuleNotFoundError(module, err, dependencies));
|
|
}
|
|
if(!dependentModule) {
|
|
semaphore.release();
|
|
return process.nextTick(callback);
|
|
}
|
|
if(currentProfile) {
|
|
afterFactory = Date.now();
|
|
currentProfile.factory = afterFactory - start;
|
|
}
|
|
|
|
const iterationDependencies = depend => {
|
|
for(let index = 0; index < depend.length; index++) {
|
|
const dep = depend[index];
|
|
dep.module = dependentModule;
|
|
dependentModule.addReason(module, dep);
|
|
}
|
|
};
|
|
|
|
const addModuleResult = _this.addModule(dependentModule, cacheGroup);
|
|
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);
|
|
callbackList.forEach(cb => 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 = {};
|
|
this.modules.forEach(module => 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;
|
|
this._preparedEntrypoints.forEach(preparedEntrypoint => {
|
|
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 assignDepthToModule = (module, depth) => {
|
|
// enter module
|
|
if(typeof module.depth === "number" && module.depth <= depth) return;
|
|
module.depth = depth;
|
|
|
|
// enter it as block
|
|
assignDepthToDependencyBlock(module, depth + 1);
|
|
};
|
|
|
|
const assignDepthToDependency = (dependency, depth) => {
|
|
if(dependency.module) {
|
|
queue.push(() => assignDepthToModule(dependency.module, depth));
|
|
}
|
|
};
|
|
|
|
const assignDepthToDependencyBlock = (block, depth) => {
|
|
const iteratorDependency = d => assignDepthToDependency(d, depth);
|
|
|
|
const iteratorBlock = b => assignDepthToDependencyBlock(b, depth);
|
|
|
|
if(block.variables) {
|
|
iterationBlockVariable(block.variables, iteratorDependency);
|
|
}
|
|
|
|
if(block.dependencies) {
|
|
iterationOfArrayCallback(block.dependencies, iteratorDependency);
|
|
}
|
|
|
|
if(block.blocks) {
|
|
iterationOfArrayCallback(block.blocks, iteratorBlock);
|
|
}
|
|
};
|
|
|
|
const queue = [() => {
|
|
assignDepthToModule(module, 0);
|
|
}];
|
|
|
|
while(queue.length) {
|
|
queue.pop()();
|
|
}
|
|
}
|
|
|
|
// 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. Connnect 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);
|
|
}
|
|
|
|
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);
|
|
}
|
|
}
|
|
this.errors.forEach(error => {
|
|
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);
|
|
Object.keys(this.moduleTemplates).sort().forEach(key => this.moduleTemplates[key].updateHash(hash));
|
|
this.children.forEach(child => hash.update(child.hash));
|
|
this.warnings.forEach(warning => hash.update(`${warning.message}`));
|
|
this.errors.forEach(error => 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 0;
|
|
});
|
|
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);
|
|
if(chunk.hasRuntime()) {
|
|
this.mainTemplate.updateHashForChunk(chunkHash, chunk);
|
|
} else {
|
|
this.chunkTemplate.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.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) {
|
|
Object.keys(module.buildInfo.assets).forEach((assetName) => {
|
|
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;
|