947 lines
25 KiB
JavaScript
947 lines
25 KiB
JavaScript
/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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Author Tobias Koppers @sokra
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*/
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"use strict";
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const { getContext, runLoaders } = require("loader-runner");
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const { SyncHook } = require("tapable");
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const {
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CachedSource,
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OriginalSource,
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RawSource,
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SourceMapSource
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} = require("webpack-sources");
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const Compilation = require("./Compilation");
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const Module = require("./Module");
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const ModuleBuildError = require("./ModuleBuildError");
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const ModuleError = require("./ModuleError");
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const ModuleParseError = require("./ModuleParseError");
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const ModuleWarning = require("./ModuleWarning");
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const RuntimeGlobals = require("./RuntimeGlobals");
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const WebpackError = require("./WebpackError");
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const {
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compareLocations,
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concatComparators,
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compareSelect,
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keepOriginalOrder
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} = require("./util/comparators");
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const createHash = require("./util/createHash");
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const { contextify } = require("./util/identifier");
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const makeSerializable = require("./util/makeSerializable");
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/** @typedef {import("source-map").RawSourceMap} SourceMap */
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/** @typedef {import("webpack-sources").Source} Source */
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/** @typedef {import("../declarations/WebpackOptions").WebpackOptions} WebpackOptions */
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/** @typedef {import("./ChunkGraph")} ChunkGraph */
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/** @typedef {import("./Compilation")} Compilation */
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/** @typedef {import("./DependencyTemplates")} DependencyTemplates */
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/** @typedef {import("./Generator")} Generator */
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/** @typedef {import("./Module").CodeGenerationContext} CodeGenerationContext */
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/** @typedef {import("./Module").CodeGenerationResult} CodeGenerationResult */
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/** @typedef {import("./Module").LibIdentOptions} LibIdentOptions */
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/** @typedef {import("./Module").NeedBuildContext} NeedBuildContext */
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/** @typedef {import("./RequestShortener")} RequestShortener */
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/** @typedef {import("./ResolverFactory").ResolverWithOptions} ResolverWithOptions */
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/** @typedef {import("./RuntimeTemplate")} RuntimeTemplate */
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/** @typedef {import("./util/Hash")} Hash */
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/** @typedef {import("./util/fs").InputFileSystem} InputFileSystem */
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/**
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* @typedef {Object} ParserState
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* @property {NormalModule} current
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* @property {NormalModule} module
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* @property {Compilation} compilation
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* @property {TODO} options
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*/
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/**
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* @param {string} context absolute context path
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* @param {string} source a source path
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* @param {Object=} associatedObjectForCache an object to which the cache will be attached
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* @returns {string} new source path
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*/
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const contextifySourceUrl = (context, source, associatedObjectForCache) => {
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return `webpack://${contextify(context, source, associatedObjectForCache)}`;
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};
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/**
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* @param {string} context absolute context path
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* @param {SourceMap} sourceMap a source map
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* @param {Object=} associatedObjectForCache an object to which the cache will be attached
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* @returns {SourceMap} new source map
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*/
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const contextifySourceMap = (context, sourceMap, associatedObjectForCache) => {
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if (!Array.isArray(sourceMap.sources)) return sourceMap;
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const newSources = sourceMap.sources.map(source =>
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contextifySourceUrl(context, source, associatedObjectForCache)
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);
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return {
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...sourceMap,
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sources: newSources
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};
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};
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/**
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* @param {string | Buffer} input the input
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* @returns {string} the converted string
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*/
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const asString = input => {
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if (Buffer.isBuffer(input)) {
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return input.toString("utf-8");
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}
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return input;
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};
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/**
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* @param {string | Buffer} input the input
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* @returns {Buffer} the converted buffer
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*/
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const asBuffer = input => {
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if (!Buffer.isBuffer(input)) {
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return Buffer.from(input, "utf-8");
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}
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return input;
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};
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class NonErrorEmittedError extends WebpackError {
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constructor(error) {
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super();
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this.name = "NonErrorEmittedError";
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this.message = "(Emitted value instead of an instance of Error) " + error;
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Error.captureStackTrace(this, this.constructor);
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}
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}
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makeSerializable(
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NonErrorEmittedError,
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"webpack/lib/NormalModule",
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"NonErrorEmittedError"
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);
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/**
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* @typedef {Object} NormalModuleCompilationHooks
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* @property {SyncHook<[object, NormalModule]>} loader
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*/
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/** @type {WeakMap<Compilation, NormalModuleCompilationHooks>} */
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const compilationHooksMap = new WeakMap();
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class NormalModule extends Module {
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/**
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* @param {Compilation} compilation the compilation
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* @returns {NormalModuleCompilationHooks} the attached hooks
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*/
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static getCompilationHooks(compilation) {
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if (!(compilation instanceof Compilation)) {
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throw new TypeError(
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"The 'compilation' argument must be an instance of Compilation"
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);
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}
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let hooks = compilationHooksMap.get(compilation);
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if (hooks === undefined) {
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hooks = {
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loader: new SyncHook(["loaderContext", "module"])
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};
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compilationHooksMap.set(compilation, hooks);
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}
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return hooks;
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}
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/**
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* @param {Object} options options object
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* @param {string} options.type module type
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* @param {string} options.request request string
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* @param {string} options.userRequest request intented by user (without loaders from config)
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* @param {string} options.rawRequest request without resolving
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* @param {TODO[]} options.loaders list of loaders
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* @param {string} options.resource path + query of the real resource
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* @param {string | undefined} options.matchResource path + query of the matched resource (virtuel
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* @param {TODO} options.parser the parser used
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* @param {Generator} options.generator the generator used
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* @param {Object} options.resolveOptions options used for resolving requests from this module
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*/
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constructor({
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type,
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request,
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userRequest,
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rawRequest,
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loaders,
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resource,
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matchResource,
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parser,
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generator,
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resolveOptions
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}) {
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super(type, getContext(resource));
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// Info from Factory
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/** @type {string} */
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this.request = request;
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/** @type {string} */
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this.userRequest = userRequest;
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/** @type {string} */
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this.rawRequest = rawRequest;
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/** @type {boolean} */
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this.binary = /^(asset|webassembly)\b/.test(type);
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this.parser = parser;
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/** @type {Generator} */
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this.generator = generator;
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/** @type {string} */
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this.resource = resource;
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/** @type {string | undefined} */
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this.matchResource = matchResource;
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/** @type {TODO[]} */
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this.loaders = loaders;
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if (resolveOptions !== undefined) {
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// already declared in super class
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this.resolveOptions = resolveOptions;
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}
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// Info from Build
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/** @type {WebpackError=} */
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this.error = null;
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/** @private @type {Source=} */
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this._source = null;
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/** @private @type {Map<string, number> | undefined} **/
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this._sourceSizes = undefined;
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/** @private @type {string} */
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this._cachedCodeGenerationHash = "";
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/** @private @type {CodeGenerationResult} */
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this._cachedCodeGeneration = undefined;
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// Cache
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this._lastSuccessfulBuildMeta = {};
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this._forceBuild = true;
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// TODO refactor this -> options object filled from Factory
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this.useSourceMap = false;
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}
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/**
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* @returns {string} a unique identifier of the module
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*/
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identifier() {
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return this.request;
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}
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/**
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* @param {RequestShortener} requestShortener the request shortener
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* @returns {string} a user readable identifier of the module
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*/
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readableIdentifier(requestShortener) {
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return requestShortener.shorten(this.userRequest);
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}
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/**
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* @param {LibIdentOptions} options options
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* @returns {string | null} an identifier for library inclusion
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*/
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libIdent(options) {
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return contextify(
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options.context,
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this.userRequest,
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options.associatedObjectForCache
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);
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}
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/**
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* @returns {string | null} absolute path which should be used for condition matching (usually the resource path)
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*/
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nameForCondition() {
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const resource = this.matchResource || this.resource;
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const idx = resource.indexOf("?");
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if (idx >= 0) return resource.substr(0, idx);
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return resource;
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}
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/**
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* Assuming this module is in the cache. Update the (cached) module with
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* the fresh module from the factory. Usually updates internal references
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* and properties.
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* @param {Module} module fresh module
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* @returns {void}
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*/
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updateCacheModule(module) {
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super.updateCacheModule(module);
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const m = /** @type {NormalModule} */ (module);
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this.request = m.request;
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this.userRequest = m.userRequest;
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this.rawRequest = m.rawRequest;
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this.parser = m.parser;
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this.generator = m.generator;
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this.resource = m.resource;
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this.matchResource = m.matchResource;
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this.loaders = m.loaders;
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}
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/**
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* @param {string} context the compilation context
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* @param {string} name the asset name
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* @param {string} content the content
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* @param {string | TODO} sourceMap an optional source map
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* @param {Object=} associatedObjectForCache object for caching
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* @returns {Source} the created source
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*/
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createSourceForAsset(
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context,
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name,
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content,
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sourceMap,
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associatedObjectForCache
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) {
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if (!sourceMap) {
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return new RawSource(content);
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}
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if (typeof sourceMap === "string") {
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return new OriginalSource(
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content,
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contextifySourceUrl(context, sourceMap, associatedObjectForCache)
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);
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}
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return new SourceMapSource(
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content,
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name,
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contextifySourceMap(context, sourceMap, associatedObjectForCache)
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);
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}
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/**
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* @param {ResolverWithOptions} resolver a resolver
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* @param {WebpackOptions} options webpack options
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* @param {Compilation} compilation the compilation
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* @param {InputFileSystem} fs file system from reading
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* @returns {any} loader context
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*/
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createLoaderContext(resolver, options, compilation, fs) {
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const requestShortener = compilation.runtimeTemplate.requestShortener;
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const getCurrentLoaderName = () => {
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const currentLoader = this.getCurrentLoader(loaderContext);
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if (!currentLoader) return "(not in loader scope)";
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return requestShortener.shorten(currentLoader.loader);
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};
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const getResolveContext = () => {
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return {
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fileDependencies: {
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add: d => loaderContext.addDependency(d)
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},
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contextDependencies: {
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add: d => loaderContext.addContextDependency(d)
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},
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missingDependencies: {
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add: d => loaderContext.addMissingDependency(d)
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}
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};
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};
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const loaderContext = {
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version: 2,
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emitWarning: warning => {
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if (!(warning instanceof Error)) {
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warning = new NonErrorEmittedError(warning);
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}
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this.addWarning(
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new ModuleWarning(warning, {
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from: getCurrentLoaderName()
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})
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);
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},
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emitError: error => {
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if (!(error instanceof Error)) {
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error = new NonErrorEmittedError(error);
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}
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this.addError(
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new ModuleError(error, {
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from: getCurrentLoaderName()
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})
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);
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},
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getLogger: name => {
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const currentLoader = this.getCurrentLoader(loaderContext);
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return compilation.getLogger(() =>
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[currentLoader && currentLoader.loader, name, this.identifier()]
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.filter(Boolean)
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.join("|")
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);
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},
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resolve(context, request, callback) {
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resolver.resolve({}, context, request, getResolveContext(), callback);
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},
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getResolve(options) {
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const child = options ? resolver.withOptions(options) : resolver;
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return (context, request, callback) => {
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if (callback) {
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child.resolve({}, context, request, getResolveContext(), callback);
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} else {
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return new Promise((resolve, reject) => {
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child.resolve(
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{},
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context,
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request,
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getResolveContext(),
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(err, result) => {
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if (err) reject(err);
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else resolve(result);
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}
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);
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});
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}
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};
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},
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emitFile: (name, content, sourceMap, assetInfo) => {
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if (!this.buildInfo.assets) {
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this.buildInfo.assets = Object.create(null);
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this.buildInfo.assetsInfo = new Map();
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}
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this.buildInfo.assets[name] = this.createSourceForAsset(
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options.context,
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name,
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content,
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sourceMap,
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compilation.compiler.root
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);
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this.buildInfo.assetsInfo.set(name, assetInfo);
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},
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rootContext: options.context,
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webpack: true,
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sourceMap: !!this.useSourceMap,
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mode: options.mode || "production",
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_module: this,
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_compilation: compilation,
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_compiler: compilation.compiler,
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fs: fs
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};
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NormalModule.getCompilationHooks(compilation).loader.call(
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loaderContext,
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this
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);
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if (options.loader) {
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Object.assign(loaderContext, options.loader);
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}
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return loaderContext;
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}
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getCurrentLoader(loaderContext, index = loaderContext.loaderIndex) {
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if (
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this.loaders &&
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this.loaders.length &&
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index < this.loaders.length &&
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index >= 0 &&
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this.loaders[index]
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) {
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return this.loaders[index];
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}
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return null;
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}
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/**
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* @param {string} context the compilation context
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* @param {string | Buffer} content the content
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* @param {string | TODO} sourceMap an optional source map
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* @param {Object=} associatedObjectForCache object for caching
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* @returns {Source} the created source
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*/
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createSource(context, content, sourceMap, associatedObjectForCache) {
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if (Buffer.isBuffer(content)) {
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// @ts-ignore
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// TODO We need to fix @types/webpack-sources to allow RawSource to take a Buffer | string
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return new RawSource(content);
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}
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// if there is no identifier return raw source
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if (!this.identifier) {
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return new RawSource(content);
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}
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// from here on we assume we have an identifier
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const identifier = this.identifier();
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|
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if (this.useSourceMap && sourceMap) {
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return new SourceMapSource(
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content,
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contextifySourceUrl(context, identifier, associatedObjectForCache),
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contextifySourceMap(context, sourceMap, associatedObjectForCache)
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);
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}
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return new OriginalSource(
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content,
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contextifySourceUrl(context, identifier, associatedObjectForCache)
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);
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}
|
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|
|
/**
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* @param {WebpackOptions} options webpack options
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|
* @param {Compilation} compilation the compilation
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|
* @param {ResolverWithOptions} resolver the resolver
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|
* @param {InputFileSystem} fs the file system
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|
* @param {function(WebpackError=): void} callback callback function
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* @returns {void}
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*/
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doBuild(options, compilation, resolver, fs, callback) {
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const loaderContext = this.createLoaderContext(
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resolver,
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options,
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compilation,
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fs
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);
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|
|
|
const startTime = Date.now();
|
|
|
|
const processResult = (err, result) => {
|
|
if (err) {
|
|
if (!(err instanceof Error)) {
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err = new NonErrorEmittedError(err);
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|
}
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|
const currentLoader = this.getCurrentLoader(loaderContext);
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|
const error = new ModuleBuildError(err, {
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|
from:
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currentLoader &&
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compilation.runtimeTemplate.requestShortener.shorten(
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|
currentLoader.loader
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|
)
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});
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return callback(error);
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}
|
|
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|
const source = result[0];
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|
const sourceMap = result.length >= 1 ? result[1] : null;
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|
const extraInfo = result.length >= 2 ? result[2] : null;
|
|
|
|
if (!Buffer.isBuffer(source) && typeof source !== "string") {
|
|
const currentLoader = this.getCurrentLoader(loaderContext, 0);
|
|
const err = new Error(
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|
`Final loader (${
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|
currentLoader
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|
? compilation.runtimeTemplate.requestShortener.shorten(
|
|
currentLoader.loader
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|
)
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: "unknown"
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|
}) didn't return a Buffer or String`
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|
);
|
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const error = new ModuleBuildError(err);
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return callback(error);
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}
|
|
|
|
this._source = this.createSource(
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options.context,
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|
this.binary ? asBuffer(source) : asString(source),
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|
sourceMap,
|
|
compilation.compiler.root
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|
);
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|
if (this._sourceSizes !== undefined) this._sourceSizes.clear();
|
|
this._ast =
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typeof extraInfo === "object" &&
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extraInfo !== null &&
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extraInfo.webpackAST !== undefined
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? extraInfo.webpackAST
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|
: null;
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return callback();
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};
|
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|
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runLoaders(
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|
{
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|
resource: this.resource,
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|
loaders: this.loaders,
|
|
context: loaderContext,
|
|
readResource: fs.readFile.bind(fs)
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|
},
|
|
(err, result) => {
|
|
if (!result) {
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processResult(
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|
err || new Error("No result from loader-runner processing"),
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null
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|
);
|
|
}
|
|
for (const loader of this.loaders) {
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|
compilation.buildDependencies.add(loader.loader);
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|
}
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|
this.buildInfo.fileDependencies = new Set(result.fileDependencies);
|
|
this.buildInfo.contextDependencies = new Set(
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result.contextDependencies
|
|
);
|
|
this.buildInfo.missingDependencies = new Set(
|
|
result.missingDependencies
|
|
);
|
|
if (!result.cacheable) {
|
|
this.buildInfo.cacheable = false;
|
|
processResult(err, result.result);
|
|
return;
|
|
}
|
|
this.buildInfo.cacheable = true;
|
|
compilation.fileSystemInfo.createSnapshot(
|
|
startTime,
|
|
result.fileDependencies,
|
|
result.contextDependencies,
|
|
result.missingDependencies,
|
|
null,
|
|
(err2, snapshot) => {
|
|
this.buildInfo.snapshot = snapshot;
|
|
processResult(err || err2, result.result);
|
|
}
|
|
);
|
|
}
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @param {WebpackError} error the error
|
|
* @returns {void}
|
|
*/
|
|
markModuleAsErrored(error) {
|
|
// Restore build meta from successful build to keep importing state
|
|
this.buildMeta = { ...this._lastSuccessfulBuildMeta };
|
|
this.error = error;
|
|
this.addError(error);
|
|
}
|
|
|
|
applyNoParseRule(rule, content) {
|
|
// must start with "rule" if rule is a string
|
|
if (typeof rule === "string") {
|
|
return content.indexOf(rule) === 0;
|
|
}
|
|
|
|
if (typeof rule === "function") {
|
|
return rule(content);
|
|
}
|
|
// we assume rule is a regexp
|
|
return rule.test(content);
|
|
}
|
|
|
|
// check if module should not be parsed
|
|
// returns "true" if the module should !not! be parsed
|
|
// returns "false" if the module !must! be parsed
|
|
shouldPreventParsing(noParseRule, request) {
|
|
// if no noParseRule exists, return false
|
|
// the module !must! be parsed.
|
|
if (!noParseRule) {
|
|
return false;
|
|
}
|
|
|
|
// we only have one rule to check
|
|
if (!Array.isArray(noParseRule)) {
|
|
// returns "true" if the module is !not! to be parsed
|
|
return this.applyNoParseRule(noParseRule, request);
|
|
}
|
|
|
|
for (let i = 0; i < noParseRule.length; i++) {
|
|
const rule = noParseRule[i];
|
|
// early exit on first truthy match
|
|
// this module is !not! to be parsed
|
|
if (this.applyNoParseRule(rule, request)) {
|
|
return true;
|
|
}
|
|
}
|
|
// no match found, so this module !should! be parsed
|
|
return false;
|
|
}
|
|
|
|
_initBuildHash(compilation) {
|
|
const hash = createHash(compilation.outputOptions.hashFunction);
|
|
if (this._source) {
|
|
hash.update("source");
|
|
this._source.updateHash(/** @type {TODO} */ (hash));
|
|
}
|
|
hash.update("meta");
|
|
hash.update(JSON.stringify(this.buildMeta));
|
|
this.buildInfo.hash = /** @type {string} */ (hash.digest("hex"));
|
|
}
|
|
|
|
/**
|
|
* @param {WebpackOptions} options webpack options
|
|
* @param {Compilation} compilation the compilation
|
|
* @param {ResolverWithOptions} resolver the resolver
|
|
* @param {InputFileSystem} fs the file system
|
|
* @param {function(WebpackError=): void} callback callback function
|
|
* @returns {void}
|
|
*/
|
|
build(options, compilation, resolver, fs, callback) {
|
|
this._forceBuild = false;
|
|
this._source = null;
|
|
if (this._sourceSizes !== undefined) this._sourceSizes.clear();
|
|
this._ast = null;
|
|
this.error = null;
|
|
this.clearWarningsAndErrors();
|
|
this.clearDependenciesAndBlocks();
|
|
this.buildMeta = {};
|
|
this.buildInfo = {
|
|
cacheable: false,
|
|
parsed: true,
|
|
fileDependencies: undefined,
|
|
contextDependencies: undefined,
|
|
missingDependencies: undefined,
|
|
hash: undefined,
|
|
assets: undefined,
|
|
assetsInfo: undefined
|
|
};
|
|
|
|
return this.doBuild(options, compilation, resolver, fs, err => {
|
|
this._cachedCodeGenerationHash = "";
|
|
this._cachedCodeGeneration = undefined;
|
|
|
|
// if we have an error mark module as failed and exit
|
|
if (err) {
|
|
this.markModuleAsErrored(err);
|
|
this._initBuildHash(compilation);
|
|
return callback();
|
|
}
|
|
|
|
// check if this module should !not! be parsed.
|
|
// if so, exit here;
|
|
const noParseRule = options.module && options.module.noParse;
|
|
if (this.shouldPreventParsing(noParseRule, this.request)) {
|
|
// We assume that we need module and exports
|
|
this.buildInfo.parsed = false;
|
|
this._initBuildHash(compilation);
|
|
return callback();
|
|
}
|
|
|
|
const handleParseError = e => {
|
|
const source = /** @type {string} */ (this._source.source());
|
|
const loaders = this.loaders.map(item =>
|
|
contextify(options.context, item.loader)
|
|
);
|
|
const error = new ModuleParseError(source, e, loaders);
|
|
this.markModuleAsErrored(error);
|
|
this._initBuildHash(compilation);
|
|
return callback();
|
|
};
|
|
|
|
const handleParseResult = result => {
|
|
this.dependencies.sort(
|
|
concatComparators(
|
|
compareSelect(a => a.loc, compareLocations),
|
|
keepOriginalOrder(this.dependencies)
|
|
)
|
|
);
|
|
this._lastSuccessfulBuildMeta = this.buildMeta;
|
|
this._initBuildHash(compilation);
|
|
return callback();
|
|
};
|
|
|
|
let inTry = true;
|
|
try {
|
|
const result = this.parser.parse(
|
|
this._ast || this._source.source(),
|
|
{
|
|
current: this,
|
|
module: this,
|
|
compilation: compilation,
|
|
options: options
|
|
},
|
|
(err, result) => {
|
|
inTry = false;
|
|
if (err) {
|
|
handleParseError(err);
|
|
} else {
|
|
handleParseResult(result);
|
|
}
|
|
}
|
|
);
|
|
inTry = false;
|
|
if (result !== undefined) {
|
|
// parse is sync
|
|
handleParseResult(result);
|
|
}
|
|
} catch (e) {
|
|
if (!inTry) throw e;
|
|
handleParseError(e);
|
|
}
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @param {ChunkGraph} chunkGraph the chunk graph
|
|
* @param {DependencyTemplates} dependencyTemplates dependency templates
|
|
* @returns {string} hash
|
|
*/
|
|
_getHashDigest(chunkGraph, dependencyTemplates) {
|
|
const hash = chunkGraph.getModuleHash(this);
|
|
const dtHash = dependencyTemplates.getHash();
|
|
return `${hash}-${dtHash}`;
|
|
}
|
|
|
|
/**
|
|
* @returns {Set<string>} types availiable (do not mutate)
|
|
*/
|
|
getSourceTypes() {
|
|
return this.generator.getTypes(this);
|
|
}
|
|
|
|
/**
|
|
* @param {CodeGenerationContext} context context for code generation
|
|
* @returns {CodeGenerationResult} result
|
|
*/
|
|
codeGeneration({
|
|
dependencyTemplates,
|
|
runtimeTemplate,
|
|
moduleGraph,
|
|
chunkGraph
|
|
}) {
|
|
const hashDigest = this._getHashDigest(chunkGraph, dependencyTemplates);
|
|
if (this._cachedCodeGenerationHash === hashDigest) {
|
|
// We can reuse the cached data
|
|
return this._cachedCodeGeneration;
|
|
}
|
|
|
|
/** @type {Set<string>} */
|
|
const runtimeRequirements = new Set();
|
|
|
|
if (!this.buildInfo.parsed) {
|
|
runtimeRequirements.add(RuntimeGlobals.module);
|
|
runtimeRequirements.add(RuntimeGlobals.exports);
|
|
runtimeRequirements.add(RuntimeGlobals.thisAsExports);
|
|
}
|
|
|
|
const sources = new Map();
|
|
for (const type of this.generator.getTypes(this)) {
|
|
const source = this.error
|
|
? new RawSource(
|
|
"throw new Error(" + JSON.stringify(this.error.message) + ");"
|
|
)
|
|
: this.generator.generate(this, {
|
|
dependencyTemplates,
|
|
runtimeTemplate,
|
|
moduleGraph,
|
|
chunkGraph,
|
|
runtimeRequirements,
|
|
type
|
|
});
|
|
|
|
if (source) {
|
|
sources.set(type, new CachedSource(source));
|
|
}
|
|
}
|
|
|
|
/** @type {CodeGenerationResult} */
|
|
const resultEntry = {
|
|
sources,
|
|
runtimeRequirements
|
|
};
|
|
this._cachedCodeGeneration = resultEntry;
|
|
this._cachedCodeGenerationHash = hashDigest;
|
|
return resultEntry;
|
|
}
|
|
|
|
/**
|
|
* @returns {Source | null} the original source for the module before webpack transformation
|
|
*/
|
|
originalSource() {
|
|
return this._source;
|
|
}
|
|
|
|
/**
|
|
* @returns {void}
|
|
*/
|
|
invalidateBuild() {
|
|
this._forceBuild = true;
|
|
}
|
|
|
|
/**
|
|
* @param {NeedBuildContext} context context info
|
|
* @param {function(WebpackError=, boolean=): void} callback callback function, returns true, if the module needs a rebuild
|
|
* @returns {void}
|
|
*/
|
|
needBuild({ fileSystemInfo }, callback) {
|
|
// build if enforced
|
|
if (this._forceBuild) return callback(null, true);
|
|
|
|
// always try to build in case of an error
|
|
if (this.error) return callback(null, true);
|
|
|
|
// always build when module is not cacheable
|
|
if (!this.buildInfo.cacheable) return callback(null, true);
|
|
|
|
// check snapshot for validity
|
|
fileSystemInfo.checkSnapshotValid(this.buildInfo.snapshot, (err, valid) => {
|
|
callback(err, !valid);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @param {string=} type the source type for which the size should be estimated
|
|
* @returns {number} the estimated size of the module (must be non-zero)
|
|
*/
|
|
size(type) {
|
|
const cachedSize =
|
|
this._sourceSizes === undefined ? undefined : this._sourceSizes.get(type);
|
|
if (cachedSize !== undefined) {
|
|
return cachedSize;
|
|
}
|
|
const size = Math.max(1, this.generator.getSize(this, type));
|
|
if (this._sourceSizes === undefined) {
|
|
this._sourceSizes = new Map();
|
|
}
|
|
this._sourceSizes.set(type, size);
|
|
return size;
|
|
}
|
|
|
|
/**
|
|
* @param {Hash} hash the hash used to track dependencies
|
|
* @param {ChunkGraph} chunkGraph the chunk graph
|
|
* @returns {void}
|
|
*/
|
|
updateHash(hash, chunkGraph) {
|
|
hash.update(this.buildInfo.hash);
|
|
super.updateHash(hash, chunkGraph);
|
|
}
|
|
|
|
serialize(context) {
|
|
const { write } = context;
|
|
// constructor
|
|
write(this.type);
|
|
write(this.resource);
|
|
// deserialize
|
|
write(this._source);
|
|
write(this._sourceSizes);
|
|
write(this.error);
|
|
write(this._cachedCodeGenerationHash);
|
|
write(this._cachedCodeGeneration);
|
|
write(this._lastSuccessfulBuildMeta);
|
|
write(this._forceBuild);
|
|
super.serialize(context);
|
|
}
|
|
|
|
static deserialize(context) {
|
|
const { read } = context;
|
|
const obj = new NormalModule({
|
|
type: read(),
|
|
resource: read(),
|
|
// will be filled by updateCacheModule
|
|
request: null,
|
|
userRequest: null,
|
|
rawRequest: null,
|
|
loaders: null,
|
|
matchResource: null,
|
|
parser: null,
|
|
generator: null,
|
|
resolveOptions: null
|
|
});
|
|
obj.deserialize(context);
|
|
return obj;
|
|
}
|
|
|
|
deserialize(context) {
|
|
const { read } = context;
|
|
this._source = read();
|
|
this._sourceSizes = read();
|
|
this.error = read();
|
|
this._cachedCodeGenerationHash = read();
|
|
this._cachedCodeGeneration = read();
|
|
this._lastSuccessfulBuildMeta = read();
|
|
this._forceBuild = read();
|
|
super.deserialize(context);
|
|
}
|
|
}
|
|
|
|
makeSerializable(NormalModule, "webpack/lib/NormalModule");
|
|
|
|
module.exports = NormalModule;
|