mirror of https://github.com/webpack/webpack.git
1153 lines
32 KiB
JavaScript
1153 lines
32 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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var async = require("async");
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var Tapable = require("tapable");
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var EntryModuleNotFoundError = require("./EntryModuleNotFoundError");
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var ModuleNotFoundError = require("./ModuleNotFoundError");
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var ModuleDependencyWarning = require("./ModuleDependencyWarning");
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var Module = require("./Module");
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var ArrayMap = require("./ArrayMap");
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var Chunk = require("./Chunk");
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var Entrypoint = require("./Entrypoint");
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var Stats = require("./Stats");
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var MainTemplate = require("./MainTemplate");
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var ChunkTemplate = require("./ChunkTemplate");
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var HotUpdateChunkTemplate = require("./HotUpdateChunkTemplate");
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var ModuleTemplate = require("./ModuleTemplate");
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var Dependency = require("./Dependency");
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var ChunkRenderError = require("./ChunkRenderError");
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var CachedSource = require("webpack-sources").CachedSource;
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function Compilation(compiler) {
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Tapable.call(this);
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this.compiler = compiler;
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this.resolvers = compiler.resolvers;
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this.inputFileSystem = compiler.inputFileSystem;
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var 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(this.outputOptions);
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this.moduleTemplate = new ModuleTemplate(this.outputOptions);
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this.entries = [];
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this.preparedChunks = [];
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this.entrypoints = {};
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this.chunks = [];
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this.namedChunks = {};
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this.modules = [];
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this._modules = {};
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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 ArrayMap();
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this.dependencyTemplates = new ArrayMap();
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}
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module.exports = Compilation;
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Compilation.prototype = Object.create(Tapable.prototype);
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Compilation.prototype.constructor = Compilation;
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Compilation.prototype.templatesPlugin = function(name, fn) {
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this.mainTemplate.plugin(name, fn);
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this.chunkTemplate.plugin(name, fn);
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};
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Compilation.prototype.addModule = function(module, cacheGroup) {
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cacheGroup = cacheGroup || "m";
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var identifier = module.identifier();
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if(this._modules[identifier]) {
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return false;
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}
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if(this.cache && this.cache[cacheGroup + identifier]) {
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var cacheModule = this.cache[cacheGroup + identifier];
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var rebuild = true;
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if(!cacheModule.error && cacheModule.cacheable && this.fileTimestamps && this.contextTimestamps) {
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rebuild = cacheModule.needRebuild(this.fileTimestamps, this.contextTimestamps);
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}
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if(!rebuild) {
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cacheModule.disconnect();
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this._modules[identifier] = cacheModule;
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this.modules.push(cacheModule);
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cacheModule.errors.forEach(function(err) {
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this.errors.push(err);
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}, this);
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cacheModule.warnings.forEach(function(err) {
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this.warnings.push(err);
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}, this);
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return cacheModule;
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} else {
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module.lastId = cacheModule.id;
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}
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}
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module.unbuild();
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this._modules[identifier] = module;
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if(this.cache) {
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this.cache[cacheGroup + identifier] = module;
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}
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this.modules.push(module);
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return true;
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};
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Compilation.prototype.getModule = function(module) {
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var identifier = module.identifier();
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return this._modules[identifier];
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};
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Compilation.prototype.findModule = function(identifier) {
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return this._modules[identifier];
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};
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Compilation.prototype.buildModule = function(module, optional, origin, dependencies, thisCallback) {
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var _this = this;
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_this.applyPlugins1("build-module", module);
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if(module.building) return module.building.push(thisCallback);
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var building = module.building = [thisCallback];
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function callback(err) {
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module.building = undefined;
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building.forEach(function(cb) {
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cb(err);
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});
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}
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module.build(_this.options, this, _this.resolvers.normal, _this.inputFileSystem, function(err) {
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module.errors.forEach(function(err) {
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err.origin = origin;
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err.dependencies = dependencies;
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if(optional)
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_this.warnings.push(err);
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else
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_this.errors.push(err);
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}, this);
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module.warnings.forEach(function(err) {
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err.origin = origin;
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err.dependencies = dependencies;
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_this.warnings.push(err);
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}, this);
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module.dependencies.sort(Dependency.compare);
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if(err) {
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_this.applyPlugins2("failed-module", module, err);
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return callback(err);
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}
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_this.applyPlugins1("succeed-module", module);
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return callback();
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});
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};
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Compilation.prototype.processModuleDependencies = function(module, callback) {
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var dependencies = [];
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function addDependency(dep) {
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for(var i = 0; i < dependencies.length; i++) {
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if(dep.isEqualResource(dependencies[i][0])) {
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return dependencies[i].push(dep);
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}
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}
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dependencies.push([dep]);
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}
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function addDependenciesBlock(block) {
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if(block.dependencies) {
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block.dependencies.forEach(addDependency);
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}
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if(block.blocks) {
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block.blocks.forEach(addDependenciesBlock);
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}
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if(block.variables) {
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block.variables.forEach(function(v) {
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v.dependencies.forEach(addDependency);
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});
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}
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}
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addDependenciesBlock(module);
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this.addModuleDependencies(module, dependencies, this.bail, null, true, callback);
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};
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Compilation.prototype.addModuleDependencies = function(module, dependencies, bail, cacheGroup, recursive, callback) {
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var _this = this;
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var start = _this.profile && +new Date();
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var factories = [];
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for(var i = 0; i < dependencies.length; i++) {
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var factory = _this.dependencyFactories.get(dependencies[i][0].constructor);
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if(!factory) {
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return callback(new Error("No module factory available for dependency type: " + dependencies[i][0].constructor.name));
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}
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factories[i] = [factory, dependencies[i]];
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}
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async.forEach(factories, function iteratorFactory(item, callback) {
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var dependencies = item[1];
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var errorAndCallback = function 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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var warningAndCallback = function 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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var factory = item[0];
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factory.create({
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contextInfo: {
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issuer: module.nameForCondition && module.nameForCondition()
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},
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context: module.context,
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dependencies: dependencies
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}, function factoryCallback(err, dependentModule) {
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function isOptional() {
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return dependencies.filter(function(d) {
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return !d.optional;
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}).length === 0;
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}
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function 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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if(err) {
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return errorOrWarningAndCallback(new ModuleNotFoundError(module, err, dependencies));
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}
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if(!dependentModule) {
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return process.nextTick(callback);
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}
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if(_this.profile) {
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if(!dependentModule.profile) {
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dependentModule.profile = {};
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}
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var afterFactory = +new Date();
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dependentModule.profile.factory = afterFactory - start;
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}
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dependentModule.issuer = module;
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var newModule = _this.addModule(dependentModule, cacheGroup);
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if(!newModule) { // from cache
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dependentModule = _this.getModule(dependentModule);
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if(dependentModule.optional) {
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dependentModule.optional = isOptional();
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}
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dependencies.forEach(function(dep) {
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dep.module = dependentModule;
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dependentModule.addReason(module, dep);
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});
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if(_this.profile) {
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if(!module.profile) {
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module.profile = {};
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}
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var time = +new Date() - start;
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if(!module.profile.dependencies || time > module.profile.dependencies) {
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module.profile.dependencies = time;
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}
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}
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return process.nextTick(callback);
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}
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if(newModule instanceof Module) {
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if(_this.profile) {
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newModule.profile = dependentModule.profile;
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}
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newModule.optional = isOptional();
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newModule.issuer = dependentModule.issuer;
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dependentModule = newModule;
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dependencies.forEach(function(dep) {
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dep.module = dependentModule;
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dependentModule.addReason(module, dep);
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});
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if(_this.profile) {
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var afterBuilding = +new Date();
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module.profile.building = afterBuilding - afterFactory;
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}
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if(recursive) {
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return process.nextTick(_this.processModuleDependencies.bind(_this, dependentModule, callback));
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} else {
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return process.nextTick(callback);
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}
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}
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dependentModule.optional = isOptional();
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dependencies.forEach(function(dep) {
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dep.module = dependentModule;
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dependentModule.addReason(module, dep);
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});
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_this.buildModule(dependentModule, isOptional(), module, dependencies, function(err) {
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if(err) {
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return errorOrWarningAndCallback(err);
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}
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if(_this.profile) {
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var afterBuilding = +new Date();
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dependentModule.profile.building = afterBuilding - afterFactory;
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}
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if(recursive) {
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_this.processModuleDependencies(dependentModule, callback);
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} else {
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return callback();
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}
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});
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});
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}, function finalCallbackAddModuleDependencies(err) {
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// In V8, the Error objects keep a reference to the functions on the stack. These warnings &
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// errors are created inside closures that keep a reference to the Compilation, so errors are
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// leaking the Compilation object. Setting _this to null workarounds the following issue in V8.
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// https://bugs.chromium.org/p/chromium/issues/detail?id=612191
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_this = null;
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if(err) {
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return callback(err);
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}
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return process.nextTick(callback);
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});
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};
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Compilation.prototype._addModuleChain = function process(context, dependency, onModule, callback) {
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var start = this.profile && +new Date();
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var errorAndCallback = this.bail ? function errorAndCallback(err) {
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callback(err);
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} : function errorAndCallback(err) {
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err.dependencies = [dependency];
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this.errors.push(err);
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callback();
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}.bind(this);
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if(typeof dependency !== "object" || dependency === null || !dependency.constructor) {
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throw new Error("Parameter 'dependency' must be a Dependency");
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}
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var moduleFactory = this.dependencyFactories.get(dependency.constructor);
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if(!moduleFactory) {
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throw new Error("No dependency factory available for this dependency type: " + dependency.constructor.name);
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}
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moduleFactory.create({
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context: context,
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dependencies: [dependency]
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}, function(err, module) {
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if(err) {
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return errorAndCallback(new EntryModuleNotFoundError(err));
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}
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if(this.profile) {
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if(!module.profile) {
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module.profile = {};
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}
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var afterFactory = +new Date();
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module.profile.factory = afterFactory - start;
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}
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var result = this.addModule(module);
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if(!result) {
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module = this.getModule(module);
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onModule(module);
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if(this.profile) {
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var afterBuilding = +new Date();
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module.profile.building = afterBuilding - afterFactory;
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}
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return callback(null, module);
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}
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if(result instanceof Module) {
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if(this.profile) {
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result.profile = module.profile;
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}
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module = result;
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onModule(module);
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moduleReady.call(this);
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return;
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}
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onModule(module);
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this.buildModule(module, false, null, null, function(err) {
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if(err) {
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return errorAndCallback(err);
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}
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if(this.profile) {
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var afterBuilding = +new Date();
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module.profile.building = afterBuilding - afterFactory;
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}
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moduleReady.call(this);
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}.bind(this));
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function moduleReady() {
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this.processModuleDependencies(module, function(err) {
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if(err) {
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return callback(err);
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}
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return callback(null, module);
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});
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}
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}.bind(this));
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};
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Compilation.prototype.addEntry = function process(context, entry, name, callback) {
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var slot = {
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name: name,
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module: null
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};
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this.preparedChunks.push(slot);
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this._addModuleChain(context, entry, function(module) {
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entry.module = module;
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this.entries.push(module);
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module.issuer = null;
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}.bind(this), function(err, module) {
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if(err) {
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return callback(err);
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}
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if(module) {
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slot.module = module;
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} else {
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var idx = this.preparedChunks.indexOf(slot);
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this.preparedChunks.splice(idx, 1);
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}
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return callback();
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}.bind(this));
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};
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Compilation.prototype.prefetch = function process(context, dependency, callback) {
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this._addModuleChain(context, dependency, function(module) {
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module.prefetched = true;
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module.issuer = null;
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}, callback);
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};
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Compilation.prototype.rebuildModule = function(module, thisCallback) {
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if(module.variables.length || module.blocks.length)
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throw new Error("Cannot rebuild a complex module with variables or blocks");
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if(module.rebuilding) {
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return module.rebuilding.push(thisCallback);
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}
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var rebuilding = module.rebuilding = [thisCallback];
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function callback(err) {
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module.rebuilding = undefined;
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rebuilding.forEach(function(cb) {
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cb(err);
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});
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}
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var deps = module.dependencies.slice();
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this.buildModule(module, false, module, null, function(err) {
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if(err) return callback(err);
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this.processModuleDependencies(module, function(err) {
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if(err) return callback(err);
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deps.forEach(function(d) {
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if(d.module && d.module.removeReason(module, d)) {
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module.chunks.forEach(function(chunk) {
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if(!d.module.hasReasonForChunk(chunk)) {
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if(d.module.removeChunk(chunk)) {
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this.removeChunkFromDependencies(d.module, chunk);
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}
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}
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}, this);
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}
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}, this);
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callback();
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}.bind(this));
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}.bind(this));
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};
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Compilation.prototype.finish = function finish() {
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this.applyPlugins1("finish-modules", this.modules);
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this.modules.forEach(function(m) {
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this.reportDependencyWarnings(m, [m]);
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}, this);
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};
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Compilation.prototype.unseal = function unseal() {
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this.applyPlugins0("unseal");
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this.chunks.length = 0;
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this.namedChunks = {};
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this.additionalChunkAssets.length = 0;
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this.assets = {};
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this.modules.forEach(function(module) {
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module.unseal();
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});
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};
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Compilation.prototype.seal = function seal(callback) {
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var self = this;
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self.applyPlugins0("seal");
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self.nextFreeModuleIndex = 0;
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self.nextFreeModuleIndex2 = 0;
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self.preparedChunks.forEach(function(preparedChunk) {
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var module = preparedChunk.module;
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var chunk = self.addChunk(preparedChunk.name, module);
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var entrypoint = self.entrypoints[chunk.name] = new Entrypoint(chunk.name);
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entrypoint.unshiftChunk(chunk);
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chunk.addModule(module);
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module.addChunk(chunk);
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chunk.entryModule = module;
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self.assignIndex(module);
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self.assignDepth(module);
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self.processDependenciesBlockForChunk(module, chunk);
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}, self);
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self.sortModules(self.modules);
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self.applyPlugins0("optimize");
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while(self.applyPluginsBailResult1("optimize-modules-basic", self.modules) ||
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self.applyPluginsBailResult1("optimize-modules", self.modules) ||
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self.applyPluginsBailResult1("optimize-modules-advanced", self.modules)); // eslint-disable-line no-extra-semi
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self.applyPlugins1("after-optimize-modules", self.modules);
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while(self.applyPluginsBailResult1("optimize-chunks-basic", self.chunks) ||
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self.applyPluginsBailResult1("optimize-chunks", self.chunks) ||
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self.applyPluginsBailResult1("optimize-chunks-advanced", self.chunks)); // eslint-disable-line no-extra-semi
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self.applyPlugins1("after-optimize-chunks", self.chunks);
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self.applyPluginsAsyncSeries("optimize-tree", self.chunks, self.modules, function sealPart2(err) {
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if(err) {
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return callback(err);
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}
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self.applyPlugins2("after-optimize-tree", self.chunks, self.modules);
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|
|
var shouldRecord = self.applyPluginsBailResult("should-record") !== false;
|
|
|
|
self.sortItemsBeforeIds();
|
|
|
|
self.applyPlugins2("revive-modules", self.modules, self.records);
|
|
self.applyPlugins1("optimize-module-order", self.modules);
|
|
self.applyPlugins1("advanced-optimize-module-order", self.modules);
|
|
self.applyPlugins1("before-module-ids", self.modules);
|
|
self.applyPlugins1("module-ids", self.modules);
|
|
self.applyModuleIds();
|
|
self.applyPlugins1("optimize-module-ids", self.modules);
|
|
self.applyPlugins1("after-optimize-module-ids", self.modules);
|
|
|
|
self.sortItemsWithModuleIds();
|
|
|
|
self.applyPlugins2("revive-chunks", self.chunks, self.records);
|
|
self.applyPlugins1("optimize-chunk-order", self.chunks);
|
|
self.applyPlugins1("before-chunk-ids", self.chunks);
|
|
self.applyChunkIds();
|
|
self.applyPlugins1("optimize-chunk-ids", self.chunks);
|
|
self.applyPlugins1("after-optimize-chunk-ids", self.chunks);
|
|
|
|
self.sortItemsWithChunkIds();
|
|
|
|
if(shouldRecord)
|
|
self.applyPlugins2("record-modules", self.modules, self.records);
|
|
if(shouldRecord)
|
|
self.applyPlugins2("record-chunks", self.chunks, self.records);
|
|
|
|
self.applyPlugins0("before-hash");
|
|
self.createHash();
|
|
self.applyPlugins0("after-hash");
|
|
|
|
if(shouldRecord)
|
|
self.applyPlugins1("record-hash", self.records);
|
|
|
|
self.applyPlugins0("before-module-assets");
|
|
self.createModuleAssets();
|
|
if(self.applyPluginsBailResult("should-generate-chunk-assets") !== false) {
|
|
self.applyPlugins0("before-chunk-assets");
|
|
self.createChunkAssets();
|
|
}
|
|
self.applyPlugins1("additional-chunk-assets", self.chunks);
|
|
self.summarizeDependencies();
|
|
if(shouldRecord)
|
|
self.applyPlugins2("record", self, self.records);
|
|
|
|
self.applyPluginsAsync("additional-assets", function(err) {
|
|
if(err) {
|
|
return callback(err);
|
|
}
|
|
self.applyPluginsAsync("optimize-chunk-assets", self.chunks, function(err) {
|
|
if(err) {
|
|
return callback(err);
|
|
}
|
|
self.applyPlugins1("after-optimize-chunk-assets", self.chunks);
|
|
self.applyPluginsAsync("optimize-assets", self.assets, function(err) {
|
|
if(err) {
|
|
return callback(err);
|
|
}
|
|
self.applyPlugins1("after-optimize-assets", self.assets);
|
|
if(self.applyPluginsBailResult("need-additional-seal")) {
|
|
self.unseal();
|
|
return self.seal(callback);
|
|
}
|
|
return self.applyPluginsAsync("after-seal", callback);
|
|
});
|
|
});
|
|
});
|
|
});
|
|
};
|
|
|
|
Compilation.prototype.sortModules = function sortModules(modules) {
|
|
modules.sort(function(a, b) {
|
|
if(a.index < b.index) return -1;
|
|
if(a.index > b.index) return 1;
|
|
return 0;
|
|
});
|
|
};
|
|
|
|
Compilation.prototype.reportDependencyWarnings = function reportDependencyWarnings(module, blocks) {
|
|
var _this = this;
|
|
blocks.forEach(function(block) {
|
|
block.dependencies.forEach(function(d) {
|
|
var warnings = d.getWarnings();
|
|
if(warnings) {
|
|
warnings.forEach(function(w) {
|
|
var warning = new ModuleDependencyWarning(module, w, d.loc);
|
|
_this.warnings.push(warning);
|
|
});
|
|
}
|
|
});
|
|
_this.reportDependencyWarnings(module, block.blocks);
|
|
});
|
|
};
|
|
|
|
Compilation.prototype.addChunk = function addChunk(name, module, loc) {
|
|
var chunk;
|
|
if(name) {
|
|
if(Object.prototype.hasOwnProperty.call(this.namedChunks, name)) {
|
|
chunk = this.namedChunks[name];
|
|
if(module) {
|
|
chunk.addOrigin(module, loc);
|
|
}
|
|
return chunk;
|
|
}
|
|
}
|
|
chunk = new Chunk(name, module, loc);
|
|
this.chunks.push(chunk);
|
|
if(name) {
|
|
this.namedChunks[name] = chunk;
|
|
}
|
|
return chunk;
|
|
};
|
|
|
|
Compilation.prototype.assignIndex = function assignIndex(module) {
|
|
var _this = this;
|
|
|
|
function assignIndexToModule(module) {
|
|
// enter module
|
|
if(typeof module.index !== "number") {
|
|
module.index = _this.nextFreeModuleIndex++;
|
|
|
|
queue.push(function() {
|
|
// leave module
|
|
module.index2 = _this.nextFreeModuleIndex2++;
|
|
});
|
|
|
|
// enter it as block
|
|
assignIndexToDependencyBlock(module);
|
|
}
|
|
}
|
|
|
|
function assignIndexToDependency(dependency) {
|
|
if(dependency.module) {
|
|
queue.push(function() {
|
|
assignIndexToModule(dependency.module);
|
|
});
|
|
}
|
|
}
|
|
|
|
function assignIndexToDependencyBlock(block) {
|
|
var allDependencies = [];
|
|
|
|
function iteratorDependency(d) {
|
|
allDependencies.push(d);
|
|
}
|
|
|
|
function iteratorBlock(b) {
|
|
queue.push(function() {
|
|
assignIndexToDependencyBlock(b);
|
|
});
|
|
}
|
|
|
|
if(block.variables) {
|
|
block.variables.forEach(function(v) {
|
|
v.dependencies.forEach(iteratorDependency);
|
|
});
|
|
}
|
|
if(block.dependencies) {
|
|
block.dependencies.forEach(iteratorDependency);
|
|
}
|
|
if(block.blocks) {
|
|
block.blocks.slice().reverse().forEach(iteratorBlock, this);
|
|
}
|
|
|
|
allDependencies.reverse();
|
|
allDependencies.forEach(function(d) {
|
|
queue.push(function() {
|
|
assignIndexToDependency(d);
|
|
});
|
|
});
|
|
}
|
|
|
|
var queue = [function() {
|
|
assignIndexToModule(module);
|
|
}];
|
|
while(queue.length) {
|
|
queue.pop()();
|
|
}
|
|
};
|
|
|
|
Compilation.prototype.assignDepth = function assignDepth(module) {
|
|
function 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);
|
|
}
|
|
|
|
function assignDepthToDependency(dependency, depth) {
|
|
if(dependency.module) {
|
|
queue.push(function() {
|
|
assignDepthToModule(dependency.module, depth);
|
|
});
|
|
}
|
|
}
|
|
|
|
function assignDepthToDependencyBlock(block, depth) {
|
|
function iteratorDependency(d) {
|
|
assignDepthToDependency(d, depth);
|
|
}
|
|
|
|
function iteratorBlock(b) {
|
|
assignDepthToDependencyBlock(b, depth);
|
|
}
|
|
|
|
if(block.variables) {
|
|
block.variables.forEach(function(v) {
|
|
v.dependencies.forEach(iteratorDependency);
|
|
});
|
|
}
|
|
if(block.dependencies) {
|
|
block.dependencies.forEach(iteratorDependency);
|
|
}
|
|
if(block.blocks) {
|
|
block.blocks.forEach(iteratorBlock, this);
|
|
}
|
|
}
|
|
|
|
var queue = [function() {
|
|
assignDepthToModule(module, 0);
|
|
}];
|
|
while(queue.length) {
|
|
queue.pop()();
|
|
}
|
|
};
|
|
|
|
Compilation.prototype.processDependenciesBlockForChunk = function processDependenciesBlockForChunk(block, chunk) {
|
|
var queue = [
|
|
[block, chunk]
|
|
];
|
|
while(queue.length) {
|
|
var queueItem = queue.pop();
|
|
block = queueItem[0];
|
|
chunk = queueItem[1];
|
|
if(block.variables) {
|
|
block.variables.forEach(function(v) {
|
|
v.dependencies.forEach(iteratorDependency, this);
|
|
}, this);
|
|
}
|
|
if(block.dependencies) {
|
|
block.dependencies.forEach(iteratorDependency, this);
|
|
}
|
|
if(block.blocks) {
|
|
block.blocks.forEach(iteratorBlock, this);
|
|
}
|
|
}
|
|
|
|
function iteratorBlock(b) {
|
|
var c;
|
|
if(!b.chunks) {
|
|
c = this.addChunk(b.chunkName, b.module, b.loc);
|
|
b.chunks = [c];
|
|
c.addBlock(b);
|
|
} else {
|
|
c = b.chunks[0];
|
|
}
|
|
chunk.addChunk(c);
|
|
c.addParent(chunk);
|
|
queue.push([b, c]);
|
|
}
|
|
|
|
function iteratorDependency(d) {
|
|
if(!d.module) {
|
|
return;
|
|
}
|
|
if(d.weak) {
|
|
return;
|
|
}
|
|
if(chunk.addModule(d.module)) {
|
|
d.module.addChunk(chunk);
|
|
queue.push([d.module, chunk]);
|
|
}
|
|
}
|
|
};
|
|
|
|
Compilation.prototype.removeChunkFromDependencies = function removeChunkFromDependencies(block, chunk) {
|
|
block.blocks.forEach(function(b) {
|
|
b.chunks.forEach(function(c) {
|
|
chunk.removeChunk(c);
|
|
c.removeParent(chunk);
|
|
this.removeChunkFromDependencies(b, c);
|
|
}, this);
|
|
}, this);
|
|
|
|
function iteratorDependency(d) {
|
|
if(!d.module) {
|
|
return;
|
|
}
|
|
if(!d.module.hasReasonForChunk(chunk)) {
|
|
if(d.module.removeChunk(chunk)) {
|
|
this.removeChunkFromDependencies(d.module, chunk);
|
|
}
|
|
}
|
|
}
|
|
block.dependencies.forEach(iteratorDependency, this);
|
|
block.variables.forEach(function(v) {
|
|
v.dependencies.forEach(iteratorDependency, this);
|
|
}, this);
|
|
|
|
};
|
|
|
|
Compilation.prototype.applyModuleIds = function applyModuleIds() {
|
|
var unusedIds = [];
|
|
var nextFreeModuleId = 0;
|
|
var usedIds = [];
|
|
var usedIdMap = {};
|
|
if(this.usedModuleIds) {
|
|
Object.keys(this.usedModuleIds).forEach(function(key) {
|
|
var id = this.usedModuleIds[key];
|
|
if(typeof usedIdMap[id] === "undefined") {
|
|
usedIds.push(id);
|
|
usedIdMap[id] = id;
|
|
}
|
|
}, this);
|
|
}
|
|
this.modules.forEach(function(module) {
|
|
if(module.id !== null && typeof usedIdMap[module.id] === "undefined") {
|
|
usedIds.push(module.id);
|
|
usedIdMap[module.id] = module.id;
|
|
}
|
|
});
|
|
if(usedIds.length > 0) {
|
|
var usedNumberIds = usedIds.filter(function(id) {
|
|
return typeof id === "number";
|
|
});
|
|
nextFreeModuleId = usedNumberIds.reduce(function(a, b) {
|
|
return Math.max(a, b);
|
|
}, -1) + 1;
|
|
for(var i = 0; i < nextFreeModuleId; i++) {
|
|
if(usedIdMap[i] !== i)
|
|
unusedIds.push(i);
|
|
}
|
|
unusedIds.reverse();
|
|
}
|
|
this.modules.forEach(function(module) {
|
|
if(module.id === null) {
|
|
if(unusedIds.length > 0)
|
|
module.id = unusedIds.pop();
|
|
else
|
|
module.id = nextFreeModuleId++;
|
|
}
|
|
}, this);
|
|
};
|
|
|
|
Compilation.prototype.applyChunkIds = function applyChunkIds() {
|
|
var unusedIds = [];
|
|
var nextFreeChunkId = 0;
|
|
if(this.usedChunkIds) {
|
|
var usedIds = Object.keys(this.usedChunkIds).map(function(key) {
|
|
return this.usedChunkIds[key];
|
|
}, this).sort();
|
|
var usedNumberIds = usedIds.filter(function(id) {
|
|
return typeof id === "number";
|
|
});
|
|
nextFreeChunkId = usedNumberIds.reduce(function(a, b) {
|
|
return Math.max(a, b);
|
|
}, -1) + 1;
|
|
for(var i = 0; i < nextFreeChunkId; i++) {
|
|
if(this.usedChunkIds[i] !== i)
|
|
unusedIds.push(i);
|
|
}
|
|
unusedIds.reverse();
|
|
}
|
|
this.chunks.forEach(function(chunk) {
|
|
if(chunk.id === null) {
|
|
if(unusedIds.length > 0)
|
|
chunk.id = unusedIds.pop();
|
|
else
|
|
chunk.id = nextFreeChunkId++;
|
|
}
|
|
if(!chunk.ids) {
|
|
chunk.ids = [chunk.id];
|
|
}
|
|
}, this);
|
|
};
|
|
|
|
function byId(a, b) {
|
|
if(a.id < b.id) return -1;
|
|
if(a.id > b.id) return 1;
|
|
return 0;
|
|
}
|
|
|
|
Compilation.prototype.sortItemsBeforeIds = function sortItemsBeforeIds() {
|
|
|
|
};
|
|
|
|
Compilation.prototype.sortItemsWithModuleIds = function sortItemsWithModuleIds() {
|
|
this.modules.sort(byId);
|
|
this.modules.forEach(function(module) {
|
|
module.sortItems();
|
|
});
|
|
this.chunks.forEach(function(chunk) {
|
|
chunk.sortItems();
|
|
});
|
|
};
|
|
|
|
Compilation.prototype.sortItemsWithChunkIds = function sortItemsWithChunkIds() {
|
|
this.chunks.sort(byId);
|
|
this.modules.forEach(function(module) {
|
|
module.sortItems();
|
|
});
|
|
this.chunks.forEach(function(chunk) {
|
|
chunk.sortItems();
|
|
});
|
|
};
|
|
|
|
Compilation.prototype.summarizeDependencies = function summarizeDependencies() {
|
|
function filterDups(array) {
|
|
var newArray = [];
|
|
for(var i = 0; i < array.length; i++) {
|
|
if(i === 0 || array[i - 1] !== array[i])
|
|
newArray.push(array[i]);
|
|
}
|
|
return newArray;
|
|
}
|
|
this.fileDependencies = (this.compilationDependencies || []).slice();
|
|
this.contextDependencies = [];
|
|
this.missingDependencies = [];
|
|
this.children.forEach(function(child) {
|
|
this.fileDependencies = this.fileDependencies.concat(child.fileDependencies);
|
|
this.contextDependencies = this.contextDependencies.concat(child.contextDependencies);
|
|
this.missingDependencies = this.missingDependencies.concat(child.missingDependencies);
|
|
}.bind(this));
|
|
this.modules.forEach(function(module) {
|
|
if(module.fileDependencies) {
|
|
module.fileDependencies.forEach(function(item) {
|
|
this.fileDependencies.push(item);
|
|
}, this);
|
|
}
|
|
if(module.contextDependencies) {
|
|
module.contextDependencies.forEach(function(item) {
|
|
this.contextDependencies.push(item);
|
|
}, this);
|
|
}
|
|
}, this);
|
|
this.errors.forEach(function(error) {
|
|
if(Array.isArray(error.missing)) {
|
|
error.missing.forEach(function(item) {
|
|
this.missingDependencies.push(item);
|
|
}, this);
|
|
}
|
|
}, this);
|
|
this.fileDependencies.sort();
|
|
this.fileDependencies = filterDups(this.fileDependencies);
|
|
this.contextDependencies.sort();
|
|
this.contextDependencies = filterDups(this.contextDependencies);
|
|
this.missingDependencies.sort();
|
|
this.missingDependencies = filterDups(this.missingDependencies);
|
|
};
|
|
|
|
Compilation.prototype.createHash = function createHash() {
|
|
var outputOptions = this.outputOptions;
|
|
var hashFunction = outputOptions.hashFunction;
|
|
var hashDigest = outputOptions.hashDigest;
|
|
var hashDigestLength = outputOptions.hashDigestLength;
|
|
var hash = require("crypto").createHash(hashFunction);
|
|
if(outputOptions.hashSalt)
|
|
hash.update(outputOptions.hashSalt);
|
|
this.mainTemplate.updateHash(hash);
|
|
this.chunkTemplate.updateHash(hash);
|
|
this.moduleTemplate.updateHash(hash);
|
|
var i, chunk;
|
|
var chunks = this.chunks.slice();
|
|
chunks.sort(function(a, b) {
|
|
var aEntry = a.hasRuntime();
|
|
var bEntry = b.hasRuntime();
|
|
if(aEntry && !bEntry) return 1;
|
|
if(!aEntry && bEntry) return -1;
|
|
return 0;
|
|
});
|
|
for(i = 0; i < chunks.length; i++) {
|
|
chunk = chunks[i];
|
|
var chunkHash = require("crypto").createHash(hashFunction);
|
|
if(outputOptions.hashSalt)
|
|
hash.update(outputOptions.hashSalt);
|
|
chunk.updateHash(chunkHash);
|
|
if(chunk.hasRuntime()) {
|
|
this.mainTemplate.updateHashForChunk(chunkHash, chunk);
|
|
} else {
|
|
this.chunkTemplate.updateHashForChunk(chunkHash);
|
|
}
|
|
this.applyPlugins2("chunk-hash", 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);
|
|
};
|
|
|
|
Compilation.prototype.modifyHash = function modifyHash(update) {
|
|
var outputOptions = this.outputOptions;
|
|
var hashFunction = outputOptions.hashFunction;
|
|
var hashDigest = outputOptions.hashDigest;
|
|
var hashDigestLength = outputOptions.hashDigestLength;
|
|
var hash = require("crypto").createHash(hashFunction);
|
|
hash.update(this.fullHash);
|
|
hash.update(update);
|
|
this.fullHash = hash.digest(hashDigest);
|
|
this.hash = this.fullHash.substr(0, hashDigestLength);
|
|
};
|
|
|
|
Compilation.prototype.createModuleAssets = function createModuleAssets() {
|
|
var cacheAssetsAndApplyPlugins = function cacheAssetsAndApplyPlugins(name) {
|
|
var file = this.getPath(name);
|
|
this.assets[file] = module.assets[name];
|
|
this.applyPlugins2("module-asset", module, file);
|
|
}
|
|
|
|
for(var i = 0; i < this.modules.length; i++) {
|
|
var module = this.modules[i];
|
|
if(module.assets) {
|
|
Object.keys(module.assets).forEach(cacheAssetsAndApplyPlugins, this);
|
|
}
|
|
}
|
|
};
|
|
|
|
Compilation.prototype.createChunkAssets = function createChunkAssets() {
|
|
var outputOptions = this.outputOptions;
|
|
var filename = outputOptions.filename;
|
|
var chunkFilename = outputOptions.chunkFilename;
|
|
for(var i = 0; i < this.chunks.length; i++) {
|
|
var chunk = this.chunks[i];
|
|
chunk.files = [];
|
|
var chunkHash = chunk.hash;
|
|
var source;
|
|
var file;
|
|
var filenameTemplate = chunk.filenameTemplate ? chunk.filenameTemplate :
|
|
chunk.isInitial() ? filename :
|
|
chunkFilename;
|
|
try {
|
|
var useChunkHash = !chunk.hasRuntime() || (this.mainTemplate.useChunkHash && this.mainTemplate.useChunkHash(chunk));
|
|
var usedHash = useChunkHash ? chunkHash : this.fullHash;
|
|
if(this.cache && this.cache["c" + chunk.id] && this.cache["c" + chunk.id].hash === usedHash) {
|
|
source = this.cache["c" + chunk.id].source;
|
|
} else {
|
|
if(chunk.hasRuntime()) {
|
|
source = this.mainTemplate.render(this.hash, chunk, this.moduleTemplate, this.dependencyTemplates);
|
|
} else {
|
|
source = this.chunkTemplate.render(chunk, this.moduleTemplate, this.dependencyTemplates);
|
|
}
|
|
if(this.cache) {
|
|
this.cache["c" + chunk.id] = {
|
|
hash: usedHash,
|
|
source: source = (source instanceof CachedSource ? source : new CachedSource(source))
|
|
};
|
|
}
|
|
}
|
|
file = this.getPath(filenameTemplate, {
|
|
noChunkHash: !useChunkHash,
|
|
chunk: chunk
|
|
});
|
|
if(this.assets[file])
|
|
throw new Error("Conflict: Multiple assets emit to the same filename '" + file + "'");
|
|
this.assets[file] = source;
|
|
chunk.files.push(file);
|
|
this.applyPlugins2("chunk-asset", chunk, file);
|
|
} catch(err) {
|
|
this.errors.push(new ChunkRenderError(chunk, file || filenameTemplate, err));
|
|
}
|
|
}
|
|
};
|
|
|
|
Compilation.prototype.getPath = function(filename, data) {
|
|
data = data || {};
|
|
data.hash = data.hash || this.hash;
|
|
return this.mainTemplate.applyPluginsWaterfall("asset-path", filename, data);
|
|
};
|
|
|
|
Compilation.prototype.getStats = function() {
|
|
return new Stats(this);
|
|
};
|
|
|
|
Compilation.prototype.createChildCompiler = function(name, outputOptions) {
|
|
return this.compiler.createChildCompiler(this, name, outputOptions);
|
|
};
|
|
|
|
Compilation.prototype.checkConstraints = function() {
|
|
var usedIds = {};
|
|
this.modules.forEach(function(module) {
|
|
if(usedIds[module.id])
|
|
throw new Error("checkConstraints: duplicate module id " + module.id);
|
|
});
|
|
this.chunks.forEach(function(chunk, idx) {
|
|
if(this.chunks.indexOf(chunk) !== idx)
|
|
throw new Error("checkConstraints: duplicate chunk in compilation " + chunk.debugId);
|
|
chunk.checkConstraints();
|
|
}.bind(this));
|
|
};
|