mirror of https://github.com/webpack/webpack.git
1425 lines
42 KiB
JavaScript
1425 lines
42 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 parseJson = require("json-parse-even-better-errors");
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const { getContext, runLoaders } = require("loader-runner");
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const querystring = require("querystring");
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const { HookMap, SyncHook, AsyncSeriesBailHook } = 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 HookWebpackError = require("./HookWebpackError");
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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 ModuleGraphConnection = require("./ModuleGraphConnection");
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const ModuleParseError = require("./ModuleParseError");
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const { JAVASCRIPT_MODULE_TYPE_AUTO } = require("./ModuleTypeConstants");
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const ModuleWarning = require("./ModuleWarning");
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const RuntimeGlobals = require("./RuntimeGlobals");
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const UnhandledSchemeError = require("./UnhandledSchemeError");
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const WebpackError = require("./WebpackError");
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const formatLocation = require("./formatLocation");
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const LazySet = require("./util/LazySet");
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const { isSubset } = require("./util/SetHelpers");
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const { getScheme } = require("./util/URLAbsoluteSpecifier");
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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 { createFakeHook } = require("./util/deprecation");
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const { join } = require("./util/fs");
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const {
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contextify,
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absolutify,
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makePathsRelative
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} = require("./util/identifier");
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const makeSerializable = require("./util/makeSerializable");
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const memoize = require("./util/memoize");
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/** @typedef {import("webpack-sources").Source} Source */
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/** @typedef {import("../declarations/LoaderContext").NormalModuleLoaderContext} NormalModuleLoaderContext */
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/** @typedef {import("../declarations/WebpackOptions").Mode} Mode */
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/** @typedef {import("../declarations/WebpackOptions").ResolveOptions} ResolveOptions */
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/** @typedef {import("../declarations/WebpackOptions").WebpackOptionsNormalized} WebpackOptions */
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/** @typedef {import("./ChunkGraph")} ChunkGraph */
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/** @typedef {import("./Compiler")} Compiler */
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/** @typedef {import("./Dependency").UpdateHashContext} UpdateHashContext */
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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").ConcatenationBailoutReasonContext} ConcatenationBailoutReasonContext */
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/** @typedef {import("./Module").LibIdentOptions} LibIdentOptions */
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/** @typedef {import("./Module").NeedBuildContext} NeedBuildContext */
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/** @typedef {import("./ModuleGraph")} ModuleGraph */
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/** @typedef {import("./ModuleGraphConnection").ConnectionState} ConnectionState */
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/** @typedef {import("./ModuleTypeConstants").JavaScriptModuleTypes} JavaScriptModuleTypes */
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/** @typedef {import("./NormalModuleFactory")} NormalModuleFactory */
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/** @typedef {import("./Parser")} Parser */
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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("./logging/Logger").Logger} WebpackLogger */
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/** @typedef {import("./serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */
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/** @typedef {import("./serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */
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/** @typedef {import("./util/Hash")} Hash */
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/** @typedef {import("./util/fs").InputFileSystem} InputFileSystem */
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/** @typedef {import("./util/runtime").RuntimeSpec} RuntimeSpec */
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/**
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* @typedef {Object} SourceMap
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* @property {number} version
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* @property {string[]} sources
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* @property {string} mappings
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* @property {string=} file
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* @property {string=} sourceRoot
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* @property {string[]=} sourcesContent
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* @property {string[]=} names
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*/
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const getInvalidDependenciesModuleWarning = memoize(() =>
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require("./InvalidDependenciesModuleWarning")
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);
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const getValidate = memoize(() => require("schema-utils").validate);
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const ABSOLUTE_PATH_REGEX = /^([a-zA-Z]:\\|\\\\|\/)/;
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/**
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* @typedef {Object} LoaderItem
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* @property {string} loader
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* @property {any} options
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* @property {string?} ident
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* @property {string?} type
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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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if (source.startsWith("webpack://")) return source;
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return `webpack://${makePathsRelative(
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context,
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source,
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associatedObjectForCache
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)}`;
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};
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/**
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* @param {string} context absolute context path
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* @param {SourceMap} sourceMap a source map
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* @param {Object=} associatedObjectForCache an object to which the cache will be attached
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* @returns {SourceMap} new source map
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*/
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const contextifySourceMap = (context, sourceMap, associatedObjectForCache) => {
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if (!Array.isArray(sourceMap.sources)) return sourceMap;
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const { sourceRoot } = sourceMap;
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/** @type {function(string): string} */
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const mapper = !sourceRoot
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? source => source
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: sourceRoot.endsWith("/")
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? source =>
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source.startsWith("/")
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? `${sourceRoot.slice(0, -1)}${source}`
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: `${sourceRoot}${source}`
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: source =>
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source.startsWith("/")
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? `${sourceRoot}${source}`
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: `${sourceRoot}/${source}`;
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const newSources = sourceMap.sources.map(source =>
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contextifySourceUrl(context, mapper(source), associatedObjectForCache)
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);
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return {
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...sourceMap,
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file: "x",
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sourceRoot: undefined,
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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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}
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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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* @property {SyncHook<[LoaderItem[], NormalModule, object]>} beforeLoaders
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* @property {SyncHook<[NormalModule]>} beforeParse
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* @property {SyncHook<[NormalModule]>} beforeSnapshot
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* @property {HookMap<AsyncSeriesBailHook<[string, NormalModule], string | Buffer>>} readResourceForScheme
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* @property {HookMap<AsyncSeriesBailHook<[object], string | Buffer>>} readResource
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* @property {AsyncSeriesBailHook<[NormalModule, NeedBuildContext], boolean>} needBuild
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*/
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/**
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* @typedef {Object} NormalModuleCreateData
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* @property {string=} layer an optional layer in which the module is
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* @property {JavaScriptModuleTypes | ""} type module type
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* @property {string} request request string
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* @property {string} userRequest request intended by user (without loaders from config)
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* @property {string} rawRequest request without resolving
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* @property {LoaderItem[]} loaders list of loaders
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* @property {string} resource path + query of the real resource
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* @property {Record<string, any>=} resourceResolveData resource resolve data
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* @property {string} context context directory for resolving
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* @property {string=} matchResource path + query of the matched resource (virtual)
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* @property {Parser} parser the parser used
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* @property {Record<string, any>=} parserOptions the options of the parser used
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* @property {Generator} generator the generator used
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* @property {Record<string, any>=} generatorOptions the options of the generator used
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* @property {ResolveOptions=} resolveOptions options used for resolving requests from this module
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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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beforeLoaders: new SyncHook(["loaders", "module", "loaderContext"]),
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beforeParse: new SyncHook(["module"]),
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beforeSnapshot: new SyncHook(["module"]),
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// TODO webpack 6 deprecate
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readResourceForScheme: new HookMap(scheme => {
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const hook = hooks.readResource.for(scheme);
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return createFakeHook(
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/** @type {AsyncSeriesBailHook<[string, NormalModule], string | Buffer>} */ ({
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tap: (options, fn) =>
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hook.tap(options, loaderContext =>
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fn(loaderContext.resource, loaderContext._module)
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),
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tapAsync: (options, fn) =>
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hook.tapAsync(options, (loaderContext, callback) =>
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fn(loaderContext.resource, loaderContext._module, callback)
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),
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tapPromise: (options, fn) =>
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hook.tapPromise(options, loaderContext =>
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fn(loaderContext.resource, loaderContext._module)
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)
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})
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);
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}),
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readResource: new HookMap(
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() => new AsyncSeriesBailHook(["loaderContext"])
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),
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needBuild: new AsyncSeriesBailHook(["module", "context"])
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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 {NormalModuleCreateData} options options object
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*/
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constructor({
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layer,
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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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resourceResolveData,
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context,
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matchResource,
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parser,
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parserOptions,
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generator,
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generatorOptions,
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resolveOptions
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}) {
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super(type, context || getContext(resource), layer);
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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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/** @type {Parser} */
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this.parser = parser;
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this.parserOptions = parserOptions;
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/** @type {Generator} */
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this.generator = generator;
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this.generatorOptions = generatorOptions;
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/** @type {string} */
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this.resource = resource;
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this.resourceResolveData = resourceResolveData;
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/** @type {string | undefined} */
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this.matchResource = matchResource;
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/** @type {LoaderItem[]} */
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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 | null)=} */
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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 {Set<string>} */
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this._sourceTypes = undefined;
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// Cache
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this._lastSuccessfulBuildMeta = {};
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this._forceBuild = true;
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this._isEvaluatingSideEffects = false;
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/** @type {WeakSet<ModuleGraph> | undefined} */
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this._addedSideEffectsBailout = undefined;
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/** @type {Map<string, any>} */
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this._codeGeneratorData = new Map();
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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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if (this.layer === null) {
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if (this.type === JAVASCRIPT_MODULE_TYPE_AUTO) {
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return this.request;
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} else {
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return `${this.type}|${this.request}`;
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}
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} else {
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return `${this.type}|${this.request}|${this.layer}`;
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}
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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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let ident = 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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if (this.layer) ident = `(${this.layer})/${ident}`;
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return ident;
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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.slice(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.binary = m.binary;
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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.parserOptions = m.parserOptions;
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this.generator = m.generator;
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this.generatorOptions = m.generatorOptions;
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this.resource = m.resource;
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this.resourceResolveData = m.resourceResolveData;
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this.context = m.context;
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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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* Assuming this module is in the cache. Remove internal references to allow freeing some memory.
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*/
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cleanupForCache() {
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// Make sure to cache types and sizes before cleanup when this module has been built
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// They are accessed by the stats and we don't want them to crash after cleanup
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// TODO reconsider this for webpack 6
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if (this.buildInfo) {
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if (this._sourceTypes === undefined) this.getSourceTypes();
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for (const type of this._sourceTypes) {
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this.size(type);
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}
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}
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super.cleanupForCache();
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this.parser = undefined;
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this.parserOptions = undefined;
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this.generator = undefined;
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this.generatorOptions = undefined;
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}
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/**
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* Module should be unsafe cached. Get data that's needed for that.
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* This data will be passed to restoreFromUnsafeCache later.
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* @returns {object} cached data
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*/
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getUnsafeCacheData() {
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const data = super.getUnsafeCacheData();
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data.parserOptions = this.parserOptions;
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data.generatorOptions = this.generatorOptions;
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return data;
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}
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restoreFromUnsafeCache(unsafeCacheData, normalModuleFactory) {
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this._restoreFromUnsafeCache(unsafeCacheData, normalModuleFactory);
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}
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|
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/**
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* restore unsafe cache data
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* @param {object} unsafeCacheData data from getUnsafeCacheData
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* @param {NormalModuleFactory} normalModuleFactory the normal module factory handling the unsafe caching
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*/
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_restoreFromUnsafeCache(unsafeCacheData, normalModuleFactory) {
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super._restoreFromUnsafeCache(unsafeCacheData, normalModuleFactory);
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this.parserOptions = unsafeCacheData.parserOptions;
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this.parser = normalModuleFactory.getParser(this.type, this.parserOptions);
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this.generatorOptions = unsafeCacheData.generatorOptions;
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this.generator = normalModuleFactory.getGenerator(
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this.type,
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this.generatorOptions
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);
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// we assume the generator behaves identically and keep cached sourceTypes/Sizes
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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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if (
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typeof sourceMap === "string" &&
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(this.useSourceMap || this.useSimpleSourceMap)
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) {
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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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|
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if (this.useSourceMap) {
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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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return new RawSource(content);
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}
|
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|
|
/**
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|
* @param {ResolverWithOptions} resolver a resolver
|
|
* @param {WebpackOptions} options webpack options
|
|
* @param {Compilation} compilation the compilation
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|
* @param {InputFileSystem} fs file system from reading
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* @param {NormalModuleCompilationHooks} hooks the hooks
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|
* @returns {NormalModuleLoaderContext} loader context
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*/
|
|
_createLoaderContext(resolver, options, compilation, fs, hooks) {
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const { requestShortener } = compilation.runtimeTemplate;
|
|
const getCurrentLoaderName = () => {
|
|
const currentLoader = this.getCurrentLoader(loaderContext);
|
|
if (!currentLoader) return "(not in loader scope)";
|
|
return requestShortener.shorten(currentLoader.loader);
|
|
};
|
|
const getResolveContext = () => {
|
|
return {
|
|
fileDependencies: {
|
|
add: d => loaderContext.addDependency(d)
|
|
},
|
|
contextDependencies: {
|
|
add: d => loaderContext.addContextDependency(d)
|
|
},
|
|
missingDependencies: {
|
|
add: d => loaderContext.addMissingDependency(d)
|
|
}
|
|
};
|
|
};
|
|
const getAbsolutify = memoize(() =>
|
|
absolutify.bindCache(compilation.compiler.root)
|
|
);
|
|
const getAbsolutifyInContext = memoize(() =>
|
|
absolutify.bindContextCache(this.context, compilation.compiler.root)
|
|
);
|
|
const getContextify = memoize(() =>
|
|
contextify.bindCache(compilation.compiler.root)
|
|
);
|
|
const getContextifyInContext = memoize(() =>
|
|
contextify.bindContextCache(this.context, compilation.compiler.root)
|
|
);
|
|
const utils = {
|
|
absolutify: (context, request) => {
|
|
return context === this.context
|
|
? getAbsolutifyInContext()(request)
|
|
: getAbsolutify()(context, request);
|
|
},
|
|
contextify: (context, request) => {
|
|
return context === this.context
|
|
? getContextifyInContext()(request)
|
|
: getContextify()(context, request);
|
|
},
|
|
createHash: type => {
|
|
return createHash(type || compilation.outputOptions.hashFunction);
|
|
}
|
|
};
|
|
const loaderContext = {
|
|
version: 2,
|
|
getOptions: schema => {
|
|
const loader = this.getCurrentLoader(loaderContext);
|
|
|
|
let { options } = loader;
|
|
|
|
if (typeof options === "string") {
|
|
if (options.startsWith("{") && options.endsWith("}")) {
|
|
try {
|
|
options = parseJson(options);
|
|
} catch (e) {
|
|
throw new Error(`Cannot parse string options: ${e.message}`);
|
|
}
|
|
} else {
|
|
options = querystring.parse(options, "&", "=", {
|
|
maxKeys: 0
|
|
});
|
|
}
|
|
}
|
|
|
|
if (options === null || options === undefined) {
|
|
options = {};
|
|
}
|
|
|
|
if (schema) {
|
|
let name = "Loader";
|
|
let baseDataPath = "options";
|
|
let match;
|
|
if (schema.title && (match = /^(.+) (.+)$/.exec(schema.title))) {
|
|
[, name, baseDataPath] = match;
|
|
}
|
|
getValidate()(schema, options, {
|
|
name,
|
|
baseDataPath
|
|
});
|
|
}
|
|
|
|
return options;
|
|
},
|
|
emitWarning: warning => {
|
|
if (!(warning instanceof Error)) {
|
|
warning = new NonErrorEmittedError(warning);
|
|
}
|
|
this.addWarning(
|
|
new ModuleWarning(warning, {
|
|
from: getCurrentLoaderName()
|
|
})
|
|
);
|
|
},
|
|
emitError: error => {
|
|
if (!(error instanceof Error)) {
|
|
error = new NonErrorEmittedError(error);
|
|
}
|
|
this.addError(
|
|
new ModuleError(error, {
|
|
from: getCurrentLoaderName()
|
|
})
|
|
);
|
|
},
|
|
getLogger: name => {
|
|
const currentLoader = this.getCurrentLoader(loaderContext);
|
|
return compilation.getLogger(() =>
|
|
[currentLoader && currentLoader.loader, name, this.identifier()]
|
|
.filter(Boolean)
|
|
.join("|")
|
|
);
|
|
},
|
|
resolve(context, request, callback) {
|
|
resolver.resolve({}, context, request, getResolveContext(), callback);
|
|
},
|
|
getResolve(options) {
|
|
const child = options ? resolver.withOptions(options) : resolver;
|
|
return (context, request, callback) => {
|
|
if (callback) {
|
|
child.resolve({}, context, request, getResolveContext(), callback);
|
|
} else {
|
|
return new Promise((resolve, reject) => {
|
|
child.resolve(
|
|
{},
|
|
context,
|
|
request,
|
|
getResolveContext(),
|
|
(err, result) => {
|
|
if (err) reject(err);
|
|
else resolve(result);
|
|
}
|
|
);
|
|
});
|
|
}
|
|
};
|
|
},
|
|
emitFile: (name, content, sourceMap, assetInfo) => {
|
|
if (!this.buildInfo.assets) {
|
|
this.buildInfo.assets = Object.create(null);
|
|
this.buildInfo.assetsInfo = new Map();
|
|
}
|
|
this.buildInfo.assets[name] = this.createSourceForAsset(
|
|
options.context,
|
|
name,
|
|
content,
|
|
sourceMap,
|
|
compilation.compiler.root
|
|
);
|
|
this.buildInfo.assetsInfo.set(name, assetInfo);
|
|
},
|
|
addBuildDependency: dep => {
|
|
if (this.buildInfo.buildDependencies === undefined) {
|
|
this.buildInfo.buildDependencies = new LazySet();
|
|
}
|
|
this.buildInfo.buildDependencies.add(dep);
|
|
},
|
|
utils,
|
|
rootContext: options.context,
|
|
webpack: true,
|
|
sourceMap: !!this.useSourceMap,
|
|
mode: options.mode || "production",
|
|
_module: this,
|
|
_compilation: compilation,
|
|
_compiler: compilation.compiler,
|
|
fs: fs
|
|
};
|
|
|
|
Object.assign(loaderContext, options.loader);
|
|
|
|
hooks.loader.call(loaderContext, this);
|
|
|
|
return loaderContext;
|
|
}
|
|
|
|
getCurrentLoader(loaderContext, index = loaderContext.loaderIndex) {
|
|
if (
|
|
this.loaders &&
|
|
this.loaders.length &&
|
|
index < this.loaders.length &&
|
|
index >= 0 &&
|
|
this.loaders[index]
|
|
) {
|
|
return this.loaders[index];
|
|
}
|
|
return null;
|
|
}
|
|
|
|
/**
|
|
* @param {string} context the compilation context
|
|
* @param {string | Buffer} content the content
|
|
* @param {string | TODO} sourceMap an optional source map
|
|
* @param {Object=} associatedObjectForCache object for caching
|
|
* @returns {Source} the created source
|
|
*/
|
|
createSource(context, content, sourceMap, associatedObjectForCache) {
|
|
if (Buffer.isBuffer(content)) {
|
|
return new RawSource(content);
|
|
}
|
|
|
|
// if there is no identifier return raw source
|
|
if (!this.identifier) {
|
|
return new RawSource(content);
|
|
}
|
|
|
|
// from here on we assume we have an identifier
|
|
const identifier = this.identifier();
|
|
|
|
if (this.useSourceMap && sourceMap) {
|
|
return new SourceMapSource(
|
|
content,
|
|
contextifySourceUrl(context, identifier, associatedObjectForCache),
|
|
contextifySourceMap(context, sourceMap, associatedObjectForCache)
|
|
);
|
|
}
|
|
|
|
if (this.useSourceMap || this.useSimpleSourceMap) {
|
|
return new OriginalSource(
|
|
content,
|
|
contextifySourceUrl(context, identifier, associatedObjectForCache)
|
|
);
|
|
}
|
|
|
|
return new RawSource(content);
|
|
}
|
|
|
|
/**
|
|
* @param {WebpackOptions} options webpack options
|
|
* @param {Compilation} compilation the compilation
|
|
* @param {ResolverWithOptions} resolver the resolver
|
|
* @param {InputFileSystem} fs the file system
|
|
* @param {NormalModuleCompilationHooks} hooks the hooks
|
|
* @param {function((WebpackError | null)=): void} callback callback function
|
|
* @returns {void}
|
|
*/
|
|
_doBuild(options, compilation, resolver, fs, hooks, callback) {
|
|
const loaderContext = this._createLoaderContext(
|
|
resolver,
|
|
options,
|
|
compilation,
|
|
fs,
|
|
hooks
|
|
);
|
|
|
|
const processResult = (err, result) => {
|
|
if (err) {
|
|
if (!(err instanceof Error)) {
|
|
err = new NonErrorEmittedError(err);
|
|
}
|
|
const currentLoader = this.getCurrentLoader(loaderContext);
|
|
const error = new ModuleBuildError(err, {
|
|
from:
|
|
currentLoader &&
|
|
compilation.runtimeTemplate.requestShortener.shorten(
|
|
currentLoader.loader
|
|
)
|
|
});
|
|
return callback(error);
|
|
}
|
|
|
|
const source = result[0];
|
|
const sourceMap = result.length >= 1 ? result[1] : null;
|
|
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(
|
|
`Final loader (${
|
|
currentLoader
|
|
? compilation.runtimeTemplate.requestShortener.shorten(
|
|
currentLoader.loader
|
|
)
|
|
: "unknown"
|
|
}) didn't return a Buffer or String`
|
|
);
|
|
const error = new ModuleBuildError(err);
|
|
return callback(error);
|
|
}
|
|
|
|
this._source = this.createSource(
|
|
options.context,
|
|
this.binary ? asBuffer(source) : asString(source),
|
|
sourceMap,
|
|
compilation.compiler.root
|
|
);
|
|
if (this._sourceSizes !== undefined) this._sourceSizes.clear();
|
|
this._ast =
|
|
typeof extraInfo === "object" &&
|
|
extraInfo !== null &&
|
|
extraInfo.webpackAST !== undefined
|
|
? extraInfo.webpackAST
|
|
: null;
|
|
return callback();
|
|
};
|
|
|
|
this.buildInfo.fileDependencies = new LazySet();
|
|
this.buildInfo.contextDependencies = new LazySet();
|
|
this.buildInfo.missingDependencies = new LazySet();
|
|
this.buildInfo.cacheable = true;
|
|
|
|
try {
|
|
hooks.beforeLoaders.call(this.loaders, this, loaderContext);
|
|
} catch (err) {
|
|
processResult(err);
|
|
return;
|
|
}
|
|
|
|
if (this.loaders.length > 0) {
|
|
this.buildInfo.buildDependencies = new LazySet();
|
|
}
|
|
|
|
runLoaders(
|
|
{
|
|
resource: this.resource,
|
|
loaders: this.loaders,
|
|
context: loaderContext,
|
|
processResource: (loaderContext, resourcePath, callback) => {
|
|
const resource = loaderContext.resource;
|
|
const scheme = getScheme(resource);
|
|
hooks.readResource
|
|
.for(scheme)
|
|
.callAsync(loaderContext, (err, result) => {
|
|
if (err) return callback(err);
|
|
if (typeof result !== "string" && !result) {
|
|
return callback(new UnhandledSchemeError(scheme, resource));
|
|
}
|
|
return callback(null, result);
|
|
});
|
|
}
|
|
},
|
|
(err, result) => {
|
|
// Cleanup loaderContext to avoid leaking memory in ICs
|
|
loaderContext._compilation =
|
|
loaderContext._compiler =
|
|
loaderContext._module =
|
|
loaderContext.fs =
|
|
undefined;
|
|
|
|
if (!result) {
|
|
this.buildInfo.cacheable = false;
|
|
return processResult(
|
|
err || new Error("No result from loader-runner processing"),
|
|
null
|
|
);
|
|
}
|
|
this.buildInfo.fileDependencies.addAll(result.fileDependencies);
|
|
this.buildInfo.contextDependencies.addAll(result.contextDependencies);
|
|
this.buildInfo.missingDependencies.addAll(result.missingDependencies);
|
|
for (const loader of this.loaders) {
|
|
this.buildInfo.buildDependencies.add(loader.loader);
|
|
}
|
|
this.buildInfo.cacheable = this.buildInfo.cacheable && result.cacheable;
|
|
processResult(err, 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.startsWith(rule);
|
|
}
|
|
|
|
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(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._sourceTypes = undefined;
|
|
this._ast = null;
|
|
this.error = null;
|
|
this.clearWarningsAndErrors();
|
|
this.clearDependenciesAndBlocks();
|
|
this.buildMeta = {};
|
|
this.buildInfo = {
|
|
cacheable: false,
|
|
parsed: true,
|
|
fileDependencies: undefined,
|
|
contextDependencies: undefined,
|
|
missingDependencies: undefined,
|
|
buildDependencies: undefined,
|
|
valueDependencies: undefined,
|
|
hash: undefined,
|
|
assets: undefined,
|
|
assetsInfo: undefined
|
|
};
|
|
|
|
const startTime = compilation.compiler.fsStartTime || Date.now();
|
|
|
|
const hooks = NormalModule.getCompilationHooks(compilation);
|
|
|
|
return this._doBuild(options, compilation, resolver, fs, hooks, err => {
|
|
// if we have an error mark module as failed and exit
|
|
if (err) {
|
|
this.markModuleAsErrored(err);
|
|
this._initBuildHash(compilation);
|
|
return callback();
|
|
}
|
|
|
|
const handleParseError = e => {
|
|
const source = this._source.source();
|
|
const loaders = this.loaders.map(item =>
|
|
contextify(options.context, item.loader, compilation.compiler.root)
|
|
);
|
|
const error = new ModuleParseError(source, e, loaders, this.type);
|
|
this.markModuleAsErrored(error);
|
|
this._initBuildHash(compilation);
|
|
return callback();
|
|
};
|
|
|
|
const handleParseResult = result => {
|
|
this.dependencies.sort(
|
|
concatComparators(
|
|
compareSelect(a => a.loc, compareLocations),
|
|
keepOriginalOrder(this.dependencies)
|
|
)
|
|
);
|
|
this._initBuildHash(compilation);
|
|
this._lastSuccessfulBuildMeta = this.buildMeta;
|
|
return handleBuildDone();
|
|
};
|
|
|
|
const handleBuildDone = () => {
|
|
try {
|
|
hooks.beforeSnapshot.call(this);
|
|
} catch (err) {
|
|
this.markModuleAsErrored(err);
|
|
return callback();
|
|
}
|
|
|
|
const snapshotOptions = compilation.options.snapshot.module;
|
|
if (!this.buildInfo.cacheable || !snapshotOptions) {
|
|
return callback();
|
|
}
|
|
// add warning for all non-absolute paths in fileDependencies, etc
|
|
// This makes it easier to find problems with watching and/or caching
|
|
let nonAbsoluteDependencies = undefined;
|
|
const checkDependencies = deps => {
|
|
for (const dep of deps) {
|
|
if (!ABSOLUTE_PATH_REGEX.test(dep)) {
|
|
if (nonAbsoluteDependencies === undefined)
|
|
nonAbsoluteDependencies = new Set();
|
|
nonAbsoluteDependencies.add(dep);
|
|
deps.delete(dep);
|
|
try {
|
|
const depWithoutGlob = dep.replace(/[\\/]?\*.*$/, "");
|
|
const absolute = join(
|
|
compilation.fileSystemInfo.fs,
|
|
this.context,
|
|
depWithoutGlob
|
|
);
|
|
if (absolute !== dep && ABSOLUTE_PATH_REGEX.test(absolute)) {
|
|
(depWithoutGlob !== dep
|
|
? this.buildInfo.contextDependencies
|
|
: deps
|
|
).add(absolute);
|
|
}
|
|
} catch (e) {
|
|
// ignore
|
|
}
|
|
}
|
|
}
|
|
};
|
|
checkDependencies(this.buildInfo.fileDependencies);
|
|
checkDependencies(this.buildInfo.missingDependencies);
|
|
checkDependencies(this.buildInfo.contextDependencies);
|
|
if (nonAbsoluteDependencies !== undefined) {
|
|
const InvalidDependenciesModuleWarning =
|
|
getInvalidDependenciesModuleWarning();
|
|
this.addWarning(
|
|
new InvalidDependenciesModuleWarning(this, nonAbsoluteDependencies)
|
|
);
|
|
}
|
|
// convert file/context/missingDependencies into filesystem snapshot
|
|
compilation.fileSystemInfo.createSnapshot(
|
|
startTime,
|
|
this.buildInfo.fileDependencies,
|
|
this.buildInfo.contextDependencies,
|
|
this.buildInfo.missingDependencies,
|
|
snapshotOptions,
|
|
(err, snapshot) => {
|
|
if (err) {
|
|
this.markModuleAsErrored(err);
|
|
return;
|
|
}
|
|
this.buildInfo.fileDependencies = undefined;
|
|
this.buildInfo.contextDependencies = undefined;
|
|
this.buildInfo.missingDependencies = undefined;
|
|
this.buildInfo.snapshot = snapshot;
|
|
return callback();
|
|
}
|
|
);
|
|
};
|
|
|
|
try {
|
|
hooks.beforeParse.call(this);
|
|
} catch (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 handleBuildDone();
|
|
}
|
|
|
|
let result;
|
|
try {
|
|
const source = this._source.source();
|
|
result = this.parser.parse(this._ast || source, {
|
|
source,
|
|
current: this,
|
|
module: this,
|
|
compilation: compilation,
|
|
options: options
|
|
});
|
|
} catch (e) {
|
|
handleParseError(e);
|
|
return;
|
|
}
|
|
handleParseResult(result);
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @param {ConcatenationBailoutReasonContext} context context
|
|
* @returns {string | undefined} reason why this module can't be concatenated, undefined when it can be concatenated
|
|
*/
|
|
getConcatenationBailoutReason(context) {
|
|
return this.generator.getConcatenationBailoutReason(this, context);
|
|
}
|
|
|
|
/**
|
|
* @param {ModuleGraph} moduleGraph the module graph
|
|
* @returns {ConnectionState} how this module should be connected to referencing modules when consumed for side-effects only
|
|
*/
|
|
getSideEffectsConnectionState(moduleGraph) {
|
|
if (this.factoryMeta !== undefined) {
|
|
if (this.factoryMeta.sideEffectFree) return false;
|
|
if (this.factoryMeta.sideEffectFree === false) return true;
|
|
}
|
|
if (this.buildMeta !== undefined && this.buildMeta.sideEffectFree) {
|
|
if (this._isEvaluatingSideEffects)
|
|
return ModuleGraphConnection.CIRCULAR_CONNECTION;
|
|
this._isEvaluatingSideEffects = true;
|
|
/** @type {ConnectionState} */
|
|
let current = false;
|
|
for (const dep of this.dependencies) {
|
|
const state = dep.getModuleEvaluationSideEffectsState(moduleGraph);
|
|
if (state === true) {
|
|
if (
|
|
this._addedSideEffectsBailout === undefined
|
|
? ((this._addedSideEffectsBailout = new WeakSet()), true)
|
|
: !this._addedSideEffectsBailout.has(moduleGraph)
|
|
) {
|
|
this._addedSideEffectsBailout.add(moduleGraph);
|
|
moduleGraph
|
|
.getOptimizationBailout(this)
|
|
.push(
|
|
() =>
|
|
`Dependency (${
|
|
dep.type
|
|
}) with side effects at ${formatLocation(dep.loc)}`
|
|
);
|
|
}
|
|
this._isEvaluatingSideEffects = false;
|
|
return true;
|
|
} else if (state !== ModuleGraphConnection.CIRCULAR_CONNECTION) {
|
|
current = ModuleGraphConnection.addConnectionStates(current, state);
|
|
}
|
|
}
|
|
this._isEvaluatingSideEffects = false;
|
|
// When caching is implemented here, make sure to not cache when
|
|
// at least one circular connection was in the loop above
|
|
return current;
|
|
} else {
|
|
return true;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @returns {Set<string>} types available (do not mutate)
|
|
*/
|
|
getSourceTypes() {
|
|
if (this._sourceTypes === undefined) {
|
|
this._sourceTypes = this.generator.getTypes(this);
|
|
}
|
|
return this._sourceTypes;
|
|
}
|
|
|
|
/**
|
|
* @param {CodeGenerationContext} context context for code generation
|
|
* @returns {CodeGenerationResult} result
|
|
*/
|
|
codeGeneration({
|
|
dependencyTemplates,
|
|
runtimeTemplate,
|
|
moduleGraph,
|
|
chunkGraph,
|
|
runtime,
|
|
concatenationScope,
|
|
codeGenerationResults,
|
|
sourceTypes
|
|
}) {
|
|
/** @type {Set<string>} */
|
|
const runtimeRequirements = new Set();
|
|
|
|
if (!this.buildInfo.parsed) {
|
|
runtimeRequirements.add(RuntimeGlobals.module);
|
|
runtimeRequirements.add(RuntimeGlobals.exports);
|
|
runtimeRequirements.add(RuntimeGlobals.thisAsExports);
|
|
}
|
|
|
|
/** @type {function(): Map<string, any>} */
|
|
const getData = () => {
|
|
return this._codeGeneratorData;
|
|
};
|
|
|
|
const sources = new Map();
|
|
for (const type of sourceTypes || chunkGraph.getModuleSourceTypes(this)) {
|
|
const source = this.error
|
|
? new RawSource(
|
|
"throw new Error(" + JSON.stringify(this.error.message) + ");"
|
|
)
|
|
: this.generator.generate(this, {
|
|
dependencyTemplates,
|
|
runtimeTemplate,
|
|
moduleGraph,
|
|
chunkGraph,
|
|
runtimeRequirements,
|
|
runtime,
|
|
concatenationScope,
|
|
codeGenerationResults,
|
|
getData,
|
|
type
|
|
});
|
|
|
|
if (source) {
|
|
sources.set(type, new CachedSource(source));
|
|
}
|
|
}
|
|
|
|
/** @type {CodeGenerationResult} */
|
|
const resultEntry = {
|
|
sources,
|
|
runtimeRequirements,
|
|
data: this._codeGeneratorData
|
|
};
|
|
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 | null)=, boolean=): void} callback callback function, returns true, if the module needs a rebuild
|
|
* @returns {void}
|
|
*/
|
|
needBuild(context, callback) {
|
|
const { fileSystemInfo, compilation, valueCacheVersions } = context;
|
|
// 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);
|
|
|
|
// build when there is no snapshot to check
|
|
if (!this.buildInfo.snapshot) return callback(null, true);
|
|
|
|
// build when valueDependencies have changed
|
|
/** @type {Map<string, string | Set<string>>} */
|
|
const valueDependencies = this.buildInfo.valueDependencies;
|
|
if (valueDependencies) {
|
|
if (!valueCacheVersions) return callback(null, true);
|
|
for (const [key, value] of valueDependencies) {
|
|
if (value === undefined) return callback(null, true);
|
|
const current = valueCacheVersions.get(key);
|
|
if (
|
|
value !== current &&
|
|
(typeof value === "string" ||
|
|
typeof current === "string" ||
|
|
current === undefined ||
|
|
!isSubset(value, current))
|
|
) {
|
|
return callback(null, true);
|
|
}
|
|
}
|
|
}
|
|
|
|
// check snapshot for validity
|
|
fileSystemInfo.checkSnapshotValid(this.buildInfo.snapshot, (err, valid) => {
|
|
if (err) return callback(err);
|
|
if (!valid) return callback(null, true);
|
|
const hooks = NormalModule.getCompilationHooks(compilation);
|
|
hooks.needBuild.callAsync(this, context, (err, needBuild) => {
|
|
if (err) {
|
|
return callback(
|
|
HookWebpackError.makeWebpackError(
|
|
err,
|
|
"NormalModule.getCompilationHooks().needBuild"
|
|
)
|
|
);
|
|
}
|
|
callback(null, !!needBuild);
|
|
});
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @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 {LazySet<string>} fileDependencies set where file dependencies are added to
|
|
* @param {LazySet<string>} contextDependencies set where context dependencies are added to
|
|
* @param {LazySet<string>} missingDependencies set where missing dependencies are added to
|
|
* @param {LazySet<string>} buildDependencies set where build dependencies are added to
|
|
*/
|
|
addCacheDependencies(
|
|
fileDependencies,
|
|
contextDependencies,
|
|
missingDependencies,
|
|
buildDependencies
|
|
) {
|
|
const { snapshot, buildDependencies: buildDeps } = this.buildInfo;
|
|
if (snapshot) {
|
|
fileDependencies.addAll(snapshot.getFileIterable());
|
|
contextDependencies.addAll(snapshot.getContextIterable());
|
|
missingDependencies.addAll(snapshot.getMissingIterable());
|
|
} else {
|
|
const {
|
|
fileDependencies: fileDeps,
|
|
contextDependencies: contextDeps,
|
|
missingDependencies: missingDeps
|
|
} = this.buildInfo;
|
|
if (fileDeps !== undefined) fileDependencies.addAll(fileDeps);
|
|
if (contextDeps !== undefined) contextDependencies.addAll(contextDeps);
|
|
if (missingDeps !== undefined) missingDependencies.addAll(missingDeps);
|
|
}
|
|
if (buildDeps !== undefined) {
|
|
buildDependencies.addAll(buildDeps);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {Hash} hash the hash used to track dependencies
|
|
* @param {UpdateHashContext} context context
|
|
* @returns {void}
|
|
*/
|
|
updateHash(hash, context) {
|
|
hash.update(this.buildInfo.hash);
|
|
this.generator.updateHash(hash, {
|
|
module: this,
|
|
...context
|
|
});
|
|
super.updateHash(hash, context);
|
|
}
|
|
|
|
/**
|
|
* @param {ObjectSerializerContext} context context
|
|
*/
|
|
serialize(context) {
|
|
const { write } = context;
|
|
// deserialize
|
|
write(this._source);
|
|
write(this.error);
|
|
write(this._lastSuccessfulBuildMeta);
|
|
write(this._forceBuild);
|
|
write(this._codeGeneratorData);
|
|
super.serialize(context);
|
|
}
|
|
|
|
static deserialize(context) {
|
|
const obj = new NormalModule({
|
|
// will be deserialized by Module
|
|
layer: null,
|
|
type: "",
|
|
// will be filled by updateCacheModule
|
|
resource: "",
|
|
context: "",
|
|
request: null,
|
|
userRequest: null,
|
|
rawRequest: null,
|
|
loaders: null,
|
|
matchResource: null,
|
|
parser: null,
|
|
parserOptions: null,
|
|
generator: null,
|
|
generatorOptions: null,
|
|
resolveOptions: null
|
|
});
|
|
obj.deserialize(context);
|
|
return obj;
|
|
}
|
|
|
|
/**
|
|
* @param {ObjectDeserializerContext} context context
|
|
*/
|
|
deserialize(context) {
|
|
const { read } = context;
|
|
this._source = read();
|
|
this.error = read();
|
|
this._lastSuccessfulBuildMeta = read();
|
|
this._forceBuild = read();
|
|
this._codeGeneratorData = read();
|
|
super.deserialize(context);
|
|
}
|
|
}
|
|
|
|
makeSerializable(NormalModule, "webpack/lib/NormalModule");
|
|
|
|
module.exports = NormalModule;
|