mirror of https://github.com/webpack/webpack.git
1953 lines
55 KiB
JavaScript
1953 lines
55 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 eslintScope = require("eslint-scope");
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const {
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CachedSource,
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ConcatSource,
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ReplaceSource
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} = require("webpack-sources");
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const DependencyTemplate = require("../DependencyTemplate");
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const { UsageState } = require("../ExportsInfo");
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const Module = require("../Module");
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const RuntimeGlobals = require("../RuntimeGlobals");
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const Template = require("../Template");
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const HarmonyCompatibilityDependency = require("../dependencies/HarmonyCompatibilityDependency");
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const HarmonyExportExpressionDependency = require("../dependencies/HarmonyExportExpressionDependency");
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const HarmonyExportImportedSpecifierDependency = require("../dependencies/HarmonyExportImportedSpecifierDependency");
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const HarmonyExportSpecifierDependency = require("../dependencies/HarmonyExportSpecifierDependency");
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const HarmonyImportDependency = require("../dependencies/HarmonyImportDependency");
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const HarmonyImportSideEffectDependency = require("../dependencies/HarmonyImportSideEffectDependency");
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const HarmonyImportSpecifierDependency = require("../dependencies/HarmonyImportSpecifierDependency");
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const JavascriptParser = require("../javascript/JavascriptParser");
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const { equals } = require("../util/ArrayHelpers");
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const LazySet = require("../util/LazySet");
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const { concatComparators, keepOriginalOrder } = require("../util/comparators");
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const createHash = require("../util/createHash");
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const contextify = require("../util/identifier").contextify;
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const makeSerializable = require("../util/makeSerializable");
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const propertyAccess = require("../util/propertyAccess");
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/** @typedef {import("eslint-scope").Scope} Scope */
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/** @typedef {import("webpack-sources").Source} Source */
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/** @typedef {import("../../declarations/WebpackOptions").WebpackOptionsNormalized} WebpackOptions */
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/** @typedef {import("../ChunkGraph")} ChunkGraph */
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/** @typedef {import("../Compilation")} Compilation */
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/** @typedef {import("../Dependency")} Dependency */
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/** @typedef {import("../Dependency").UpdateHashContext} UpdateHashContext */
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/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */
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/** @typedef {import("../DependencyTemplates")} DependencyTemplates */
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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("../ModuleGraph")} ModuleGraph */
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/** @typedef {import("../ModuleGraphConnection")} ModuleGraphConnection */
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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("../WebpackError")} WebpackError */
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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} ReexportInfo
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* @property {Module} module
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* @property {string[]} exportName
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* @property {Dependency} dependency
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*/
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/**
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* @typedef {Object} Binding
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* @property {ModuleInfo} info
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* @property {string[]} ids
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* @property {string[]} exportName
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*/
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/** @typedef {ConcatenatedModuleInfo | ExternalModuleInfo } ModuleInfo */
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/**
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* @typedef {Object} ConcatenatedModuleInfo
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* @property {"concatenated"} type
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* @property {Module} module
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* @property {number} index
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* @property {Object} ast
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* @property {Source} internalSource
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* @property {ReplaceSource} source
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* @property {Iterable<string>} runtimeRequirements
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* @property {Scope} globalScope
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* @property {Scope} moduleScope
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* @property {Map<string, string>} internalNames
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* @property {Map<string, string>} exportMap
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* @property {Map<string, ReexportInfo>} reexportMap
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* @property {boolean} hasNamespaceObject
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* @property {string} namespaceObjectName
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* @property {string} namespaceObjectSource
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*/
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/**
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* @typedef {Object} ExternalModuleInfo
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* @property {"external"} type
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* @property {Module} module
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* @property {number} index
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* @property {string} name
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* @property {boolean} interopNamespaceObjectUsed
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* @property {string} interopNamespaceObjectName
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* @property {boolean} interopDefaultAccessUsed
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* @property {string} interopDefaultAccessName
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*/
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const RESERVED_NAMES = [
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// internal name
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"__WEBPACK_MODULE_DEFAULT_EXPORT__",
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// keywords
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"abstract,arguments,async,await,boolean,break,byte,case,catch,char,class,const,continue",
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"debugger,default,delete,do,double,else,enum,eval,export,extends,false,final,finally,float",
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"for,function,goto,if,implements,import,in,instanceof,int,interface,let,long,native,new,null",
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"package,private,protected,public,return,short,static,super,switch,synchronized,this,throw",
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"throws,transient,true,try,typeof,var,void,volatile,while,with,yield",
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// commonjs
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"module,__dirname,__filename,exports",
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// js globals
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"Array,Date,eval,function,hasOwnProperty,Infinity,isFinite,isNaN,isPrototypeOf,length,Math",
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"NaN,name,Number,Object,prototype,String,toString,undefined,valueOf",
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// browser globals
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"alert,all,anchor,anchors,area,assign,blur,button,checkbox,clearInterval,clearTimeout",
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"clientInformation,close,closed,confirm,constructor,crypto,decodeURI,decodeURIComponent",
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"defaultStatus,document,element,elements,embed,embeds,encodeURI,encodeURIComponent,escape",
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"event,fileUpload,focus,form,forms,frame,innerHeight,innerWidth,layer,layers,link,location",
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"mimeTypes,navigate,navigator,frames,frameRate,hidden,history,image,images,offscreenBuffering",
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"open,opener,option,outerHeight,outerWidth,packages,pageXOffset,pageYOffset,parent,parseFloat",
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"parseInt,password,pkcs11,plugin,prompt,propertyIsEnum,radio,reset,screenX,screenY,scroll",
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"secure,select,self,setInterval,setTimeout,status,submit,taint,text,textarea,top,unescape",
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"untaint,window",
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// window events
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"onblur,onclick,onerror,onfocus,onkeydown,onkeypress,onkeyup,onmouseover,onload,onmouseup,onmousedown,onsubmit"
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]
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.join(",")
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.split(",");
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const bySourceOrder = (a, b) => {
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const aOrder = a.sourceOrder;
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const bOrder = b.sourceOrder;
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if (isNaN(aOrder)) {
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if (!isNaN(bOrder)) {
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return 1;
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}
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} else {
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if (isNaN(bOrder)) {
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return -1;
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}
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if (aOrder !== bOrder) {
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return aOrder < bOrder ? -1 : 1;
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}
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}
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return 0;
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};
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const joinIterableWithComma = iterable => {
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// This is more performant than Array.from().join(", ")
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// as it doesn't create an array
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let str = "";
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let first = true;
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for (const item of iterable) {
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if (first) {
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first = false;
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} else {
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str += ", ";
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}
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str += item;
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}
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return str;
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};
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/**
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* @typedef {Object} ConcatenationEntry
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* @property {"concatenated" | "external"} type
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* @property {Module} module
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*/
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/**
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* @param {ModuleGraph} moduleGraph the module graph
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* @param {ConcatenatedModuleInfo} info module info
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* @param {Map<Module, ModuleInfo>} moduleToInfoMap moduleToInfoMap
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* @param {RuntimeSpec} runtime for which runtime
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* @param {RequestShortener} requestShortener requestShortener
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* @param {RuntimeTemplate} runtimeTemplate runtimeTemplate
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* @param {boolean} strictHarmonyModule strictHarmonyModule
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* @returns {string} the name of the ns obj variable
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*/
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const ensureNsObjSource = (
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moduleGraph,
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info,
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moduleToInfoMap,
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runtime,
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requestShortener,
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runtimeTemplate,
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strictHarmonyModule
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) => {
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const name = info.namespaceObjectName;
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if (!info.hasNamespaceObject) {
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info.hasNamespaceObject = true;
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const nsObj = [];
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const exportsInfo = moduleGraph.getExportsInfo(info.module);
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for (const exportInfo of exportsInfo.orderedExports) {
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const usedName = exportInfo.getUsedName(undefined, runtime);
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if (usedName) {
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const finalName = getFinalName(
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moduleGraph,
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info,
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[exportInfo.name],
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moduleToInfoMap,
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runtime,
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requestShortener,
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runtimeTemplate,
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false,
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undefined,
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strictHarmonyModule,
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true
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);
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nsObj.push(
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`\n ${JSON.stringify(usedName)}: ${runtimeTemplate.returningFunction(
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finalName
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)}`
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);
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}
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}
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info.namespaceObjectSource = `var ${name} = {};\n${
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RuntimeGlobals.makeNamespaceObject
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}(${name});\n${RuntimeGlobals.definePropertyGetters}(${name}, {${nsObj.join(
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","
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)}\n});\n`;
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}
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return name;
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};
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/**
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* @param {ModuleGraph} moduleGraph the module graph
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* @param {Module} importedModule module
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* @param {ExternalModuleInfo} info module info
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* @param {string[]} exportName exportName
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* @param {RuntimeSpec} runtime for which runtime
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* @param {boolean} asCall asCall
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* @param {boolean} callContext callContext
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* @param {boolean} strictHarmonyModule strictHarmonyModule
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* @param {boolean} asiSafe asiSafe
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* @returns {string} expression to get value of external module
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*/
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const getExternalImport = (
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moduleGraph,
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importedModule,
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info,
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exportName,
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runtime,
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asCall,
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callContext,
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strictHarmonyModule,
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asiSafe
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) => {
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let exprStart = info.name;
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const exportsType = importedModule.getExportsType(
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moduleGraph,
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strictHarmonyModule
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);
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if (exportName.length === 0) {
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switch (exportsType) {
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case "default-only":
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case "default-with-named":
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info.interopNamespaceObjectUsed = true;
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exprStart = info.interopNamespaceObjectName;
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break;
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case "namespace":
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case "dynamic":
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break;
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default:
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throw new Error(`Unexpected exportsType ${exportsType}`);
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}
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} else {
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switch (exportsType) {
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case "namespace":
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break;
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case "default-with-named":
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if (exportName[0] === "default") {
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exprStart = info.name;
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exportName = exportName.slice(1);
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}
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break;
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case "default-only":
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if (exportName[0] === "default") {
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exprStart = info.name;
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} else {
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exprStart =
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"/* non-default import from default-exporting module */undefined";
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}
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exportName = exportName.slice(1);
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break;
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case "dynamic":
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if (exportName[0] === "default") {
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info.interopDefaultAccessUsed = true;
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exprStart = asCall
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? `${info.interopDefaultAccessName}()`
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: asiSafe
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? `(${info.interopDefaultAccessName}())`
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: `${info.interopDefaultAccessName}.a`;
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exportName = exportName.slice(1);
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}
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break;
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default:
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throw new Error(`Unexpected exportsType ${exportsType}`);
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}
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}
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const used =
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exportName.length === 0 ||
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moduleGraph.getExportsInfo(importedModule).getUsedName(exportName, runtime);
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if (!used) return "/* unused export */undefined";
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const comment = equals(used, exportName)
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? ""
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: Template.toNormalComment(`${exportName.join(".")}`);
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const reference = `${exprStart}${comment}${propertyAccess(used)}`;
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if (asCall && callContext === false) {
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return asiSafe ? `(0,${reference})` : `Object(${reference})`;
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}
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return reference;
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};
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/**
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* @param {Set<ReexportInfo>} alreadyVisited alreadyVisited
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* @param {RequestShortener} requestShortener the request shortener
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* @param {ReexportInfo} reexport the current reexport
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* @returns {void | never} throws error when circular
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*/
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const checkCircularReexport = (alreadyVisited, requestShortener, reexport) => {
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if (alreadyVisited.has(reexport)) {
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throw new Error(
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`Circular reexports ${Array.from(
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alreadyVisited,
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e =>
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`"${e.module.readableIdentifier(
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requestShortener
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)}".${e.exportName.join(".")}`
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).join(" --> ")} -(circular)-> "${reexport.module.readableIdentifier(
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requestShortener
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)}".${reexport.exportName.join(".")}`
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);
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}
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alreadyVisited.add(reexport);
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};
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/**
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* @param {ModuleInfo} info module info
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* @param {string[]} exportName exportName
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* @param {Map<Module, ModuleInfo>} moduleToInfoMap moduleToInfoMap
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* @param {RequestShortener} requestShortener the request shortener
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* @param {Set<ReexportInfo>} alreadyVisited alreadyVisited
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* @returns {Binding} the final variable
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*/
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const getFinalBinding = (
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info,
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exportName,
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moduleToInfoMap,
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requestShortener,
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alreadyVisited = new Set()
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) => {
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switch (info.type) {
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case "concatenated": {
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if (exportName.length === 0) {
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return { info, ids: exportName, exportName };
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}
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const exportId = exportName[0];
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const directExport = info.exportMap.get(exportId);
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if (directExport) {
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return {
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info,
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ids: [directExport, ...exportName.slice(1)],
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exportName
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};
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}
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const reexport = info.reexportMap.get(exportId);
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if (reexport) {
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checkCircularReexport(alreadyVisited, requestShortener, reexport);
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const refInfo = moduleToInfoMap.get(reexport.module);
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if (refInfo) {
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// module is in the concatenation
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return getFinalBinding(
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refInfo,
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[...reexport.exportName, ...exportName.slice(1)],
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moduleToInfoMap,
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requestShortener,
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alreadyVisited
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);
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}
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}
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return { info, ids: null, exportName };
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}
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case "external": {
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return { info, ids: exportName, exportName };
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}
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}
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};
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/**
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* @param {ModuleGraph} moduleGraph the module graph
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* @param {ModuleInfo} info module info
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* @param {string[]} exportName exportName
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* @param {Map<Module, ModuleInfo>} moduleToInfoMap moduleToInfoMap
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* @param {RuntimeSpec} runtime for which runtime
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* @param {RequestShortener} requestShortener the request shortener
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* @param {RuntimeTemplate} runtimeTemplate the runtime template
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* @param {boolean} asCall asCall
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* @param {boolean} callContext callContext
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* @param {boolean} strictHarmonyModule strictHarmonyModule
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* @param {boolean} asiSafe asiSafe
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* @returns {string} the final name
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*/
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const getFinalName = (
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moduleGraph,
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info,
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exportName,
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moduleToInfoMap,
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runtime,
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requestShortener,
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runtimeTemplate,
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asCall,
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callContext,
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strictHarmonyModule,
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asiSafe
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) => {
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const binding = getFinalBinding(
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info,
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exportName,
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moduleToInfoMap,
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requestShortener
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);
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switch (binding.info.type) {
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case "concatenated": {
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const { info, ids, exportName } = binding;
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if (!ids) {
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const problem =
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`Cannot get final name for export "${exportName}" in "${info.module.readableIdentifier(
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requestShortener
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)}"` +
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` (known exports: ${Array.from(info.exportMap.keys()).join(" ")}, ` +
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`known reexports: ${Array.from(info.reexportMap.keys()).join(" ")})`;
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return `${Template.toNormalComment(problem)} undefined${propertyAccess(
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exportName,
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1
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)}`;
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}
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if (ids.length === 0) {
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return ensureNsObjSource(
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moduleGraph,
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info,
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moduleToInfoMap,
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runtime,
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requestShortener,
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runtimeTemplate,
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strictHarmonyModule
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);
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}
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const exportId = ids[0];
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const exportsInfo = moduleGraph.getExportsInfo(info.module);
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if (exportsInfo.getUsed(exportName, runtime) === UsageState.Unused) {
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return `/* unused export */ undefined${propertyAccess(exportName, 1)}`;
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}
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const name = info.internalNames.get(exportId);
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if (!name) {
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throw new Error(
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`The export "${exportId}" in "${info.module.readableIdentifier(
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requestShortener
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)}" has no internal name`
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);
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}
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return `${name}${propertyAccess(exportName, 1)}`;
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}
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case "external": {
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const { info, ids } = binding;
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const importedModule = info.module;
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return getExternalImport(
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moduleGraph,
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importedModule,
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info,
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ids,
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runtime,
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asCall,
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callContext,
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strictHarmonyModule,
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asiSafe
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);
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}
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}
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};
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const addScopeSymbols = (s, nameSet, scopeSet1, scopeSet2) => {
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let scope = s;
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while (scope) {
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if (scopeSet1.has(scope)) break;
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if (scopeSet2.has(scope)) break;
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scopeSet1.add(scope);
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for (const variable of scope.variables) {
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nameSet.add(variable.name);
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}
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scope = scope.upper;
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}
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};
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const getAllReferences = variable => {
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let set = variable.references;
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// Look for inner scope variables too (like in class Foo { t() { Foo } })
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const identifiers = new Set(variable.identifiers);
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for (const scope of variable.scope.childScopes) {
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for (const innerVar of scope.variables) {
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if (innerVar.identifiers.some(id => identifiers.has(id))) {
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set = set.concat(innerVar.references);
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break;
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}
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}
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}
|
|
return set;
|
|
};
|
|
|
|
const getPathInAst = (ast, node) => {
|
|
if (ast === node) {
|
|
return [];
|
|
}
|
|
|
|
const nr = node.range;
|
|
|
|
const enterNode = n => {
|
|
if (!n) return undefined;
|
|
const r = n.range;
|
|
if (r) {
|
|
if (r[0] <= nr[0] && r[1] >= nr[1]) {
|
|
const path = getPathInAst(n, node);
|
|
if (path) {
|
|
path.push(n);
|
|
return path;
|
|
}
|
|
}
|
|
}
|
|
return undefined;
|
|
};
|
|
|
|
if (Array.isArray(ast)) {
|
|
for (let i = 0; i < ast.length; i++) {
|
|
const enterResult = enterNode(ast[i]);
|
|
if (enterResult !== undefined) return enterResult;
|
|
}
|
|
} else if (ast && typeof ast === "object") {
|
|
const keys = Object.keys(ast);
|
|
for (let i = 0; i < keys.length; i++) {
|
|
const value = ast[keys[i]];
|
|
if (Array.isArray(value)) {
|
|
const pathResult = getPathInAst(value, node);
|
|
if (pathResult !== undefined) return pathResult;
|
|
} else if (value && typeof value === "object") {
|
|
const enterResult = enterNode(value);
|
|
if (enterResult !== undefined) return enterResult;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/**
|
|
* @param {ModuleInfo[]} modulesWithInfo modules
|
|
* @returns {Map<Module, ModuleInfo>} mapping
|
|
*/
|
|
const modulesWithInfoToMap = modulesWithInfo => {
|
|
const moduleToInfoMap = new Map();
|
|
for (const m of modulesWithInfo) {
|
|
moduleToInfoMap.set(m.module, m);
|
|
}
|
|
return moduleToInfoMap;
|
|
};
|
|
|
|
const createModuleReference = ({
|
|
info,
|
|
ids = undefined,
|
|
call = false,
|
|
directImport = false,
|
|
strict = false,
|
|
asiSafe = false
|
|
}) => {
|
|
const callFlag = call ? "_call" : "";
|
|
const directImportFlag = directImport ? "_directImport" : "";
|
|
const strictFlag = strict ? "_strict" : "";
|
|
const asiSafeFlag = asiSafe ? "_asiSafe" : "";
|
|
const exportData = ids
|
|
? Buffer.from(JSON.stringify(ids), "utf-8").toString("hex")
|
|
: "ns";
|
|
return `__WEBPACK_MODULE_REFERENCE__${info.index}_${exportData}${callFlag}${directImportFlag}${strictFlag}${asiSafeFlag}__`;
|
|
};
|
|
|
|
const MODULE_REFERENCE_REGEXP = /^__WEBPACK_MODULE_REFERENCE__(\d+)_([\da-f]+|ns)(_call)?(_directImport)?(_strict)?(_asiSafe)?__$/;
|
|
|
|
const isModuleReference = name => {
|
|
return MODULE_REFERENCE_REGEXP.test(name);
|
|
};
|
|
|
|
const matchModuleReference = (name, modulesWithInfo) => {
|
|
const match = MODULE_REFERENCE_REGEXP.exec(name);
|
|
if (!match) return null;
|
|
const index = +match[1];
|
|
return {
|
|
index,
|
|
info: modulesWithInfo[index],
|
|
ids:
|
|
match[2] === "ns"
|
|
? []
|
|
: JSON.parse(Buffer.from(match[2], "hex").toString("utf-8")),
|
|
call: !!match[3],
|
|
directImport: !!match[4],
|
|
strict: !!match[5],
|
|
asiSafe: !!match[6]
|
|
};
|
|
};
|
|
|
|
const TYPES = new Set(["javascript"]);
|
|
|
|
/**
|
|
*
|
|
* @param {HarmonyExportImportedSpecifierDependency} dep dependency
|
|
* @param {ModuleGraph} moduleGraph the module graph
|
|
* @param {RuntimeSpec} runtime the runtime
|
|
* @returns {{name: string, ids: string[]}[]} list of exports
|
|
*/
|
|
const getHarmonyExportImportedSpecifierDependencyExports = (
|
|
dep,
|
|
moduleGraph,
|
|
runtime
|
|
) => {
|
|
const importModule = moduleGraph.getModule(dep);
|
|
if (!importModule) return [];
|
|
const ids = dep.getIds(moduleGraph);
|
|
if (ids.length > 0) {
|
|
// export { named } from "module"
|
|
return [
|
|
{
|
|
name: dep.name,
|
|
ids
|
|
}
|
|
];
|
|
}
|
|
if (dep.name) {
|
|
// export * as abc from "module"
|
|
return [
|
|
{
|
|
name: dep.name,
|
|
ids: []
|
|
}
|
|
];
|
|
}
|
|
// export * from "module"
|
|
const { exports: providedExports } = dep.getStarReexports(
|
|
moduleGraph,
|
|
runtime,
|
|
undefined,
|
|
importModule
|
|
);
|
|
if (providedExports) {
|
|
return Array.from(providedExports, exp => {
|
|
return {
|
|
name: exp,
|
|
ids: [exp]
|
|
};
|
|
});
|
|
}
|
|
|
|
// unknown, should not happen
|
|
throw new Error("ConcatenatedModule: unknown exports");
|
|
};
|
|
|
|
class ConcatenatedModule extends Module {
|
|
/**
|
|
* @param {Module} rootModule the root module of the concatenation
|
|
* @param {Set<Module>} modules all modules in the concatenation (including the root module)
|
|
* @param {Object=} associatedObjectForCache object for caching
|
|
* @returns {ConcatenatedModule} the module
|
|
*/
|
|
static create(rootModule, modules, associatedObjectForCache) {
|
|
const identifier = ConcatenatedModule._createIdentifier(
|
|
rootModule,
|
|
modules,
|
|
associatedObjectForCache
|
|
);
|
|
return new ConcatenatedModule({
|
|
identifier,
|
|
rootModule,
|
|
modules
|
|
});
|
|
}
|
|
|
|
/**
|
|
* @param {Object} options options
|
|
* @param {string} options.identifier the identifier of the module
|
|
* @param {Module=} options.rootModule the root module of the concatenation
|
|
* @param {Set<Module>=} options.modules all concatenated modules
|
|
*/
|
|
constructor({ identifier, rootModule, modules }) {
|
|
super("javascript/esm", null);
|
|
|
|
// Info from Factory
|
|
/** @type {string} */
|
|
this._identifier = identifier;
|
|
/** @type {Module} */
|
|
this.rootModule = rootModule;
|
|
/** @type {Set<Module>} */
|
|
this._modules = modules;
|
|
this.factoryMeta = rootModule && rootModule.factoryMeta;
|
|
|
|
// Caching
|
|
// TODO
|
|
}
|
|
|
|
/**
|
|
* Assuming this module is in the cache. Update the (cached) module with
|
|
* the fresh module from the factory. Usually updates internal references
|
|
* and properties.
|
|
* @param {Module} module fresh module
|
|
* @returns {void}
|
|
*/
|
|
updateCacheModule(module) {
|
|
super.updateCacheModule(module);
|
|
const m = /** @type {ConcatenatedModule} */ (module);
|
|
this._identifier = m._identifier;
|
|
this.rootModule = m.rootModule;
|
|
this._modules = m._modules;
|
|
}
|
|
/**
|
|
* @returns {Set<string>} types available (do not mutate)
|
|
*/
|
|
getSourceTypes() {
|
|
return TYPES;
|
|
}
|
|
|
|
get modules() {
|
|
return Array.from(this._modules);
|
|
}
|
|
|
|
/**
|
|
* @returns {string} a unique identifier of the module
|
|
*/
|
|
identifier() {
|
|
return this._identifier;
|
|
}
|
|
|
|
/**
|
|
* @param {RequestShortener} requestShortener the request shortener
|
|
* @returns {string} a user readable identifier of the module
|
|
*/
|
|
readableIdentifier(requestShortener) {
|
|
return (
|
|
this.rootModule.readableIdentifier(requestShortener) +
|
|
` + ${this._modules.size - 1} modules`
|
|
);
|
|
}
|
|
|
|
/**
|
|
* @param {LibIdentOptions} options options
|
|
* @returns {string | null} an identifier for library inclusion
|
|
*/
|
|
libIdent(options) {
|
|
return this.rootModule.libIdent(options);
|
|
}
|
|
|
|
/**
|
|
* @returns {string | null} absolute path which should be used for condition matching (usually the resource path)
|
|
*/
|
|
nameForCondition() {
|
|
return this.rootModule.nameForCondition();
|
|
}
|
|
|
|
/**
|
|
* @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) {
|
|
const { rootModule } = this;
|
|
this.buildInfo = {
|
|
strict: true,
|
|
cacheable: true,
|
|
moduleArgument: rootModule.buildInfo.moduleArgument,
|
|
exportsArgument: rootModule.buildInfo.exportsArgument,
|
|
fileDependencies: new LazySet(),
|
|
contextDependencies: new LazySet(),
|
|
missingDependencies: new LazySet(),
|
|
assets: undefined
|
|
};
|
|
this.buildMeta = rootModule.buildMeta;
|
|
this.clearDependenciesAndBlocks();
|
|
this.clearWarningsAndErrors();
|
|
|
|
for (const m of this._modules) {
|
|
// populate cacheable
|
|
if (!m.buildInfo.cacheable) {
|
|
this.buildInfo.cacheable = false;
|
|
}
|
|
|
|
// populate dependencies
|
|
for (const d of m.dependencies.filter(
|
|
dep =>
|
|
!(dep instanceof HarmonyImportDependency) ||
|
|
!this._modules.has(compilation.moduleGraph.getModule(dep))
|
|
)) {
|
|
this.dependencies.push(d);
|
|
}
|
|
// populate blocks
|
|
for (const d of m.blocks) {
|
|
this.blocks.push(d);
|
|
}
|
|
|
|
// populate warnings
|
|
const warnings = m.getWarnings();
|
|
if (warnings !== undefined) {
|
|
for (const warning of warnings) {
|
|
this.addWarning(warning);
|
|
}
|
|
}
|
|
|
|
// populate errors
|
|
const errors = m.getErrors();
|
|
if (errors !== undefined) {
|
|
for (const error of errors) {
|
|
this.addError(error);
|
|
}
|
|
}
|
|
|
|
// populate assets
|
|
if (m.buildInfo.assets) {
|
|
if (this.buildInfo.assets === undefined) {
|
|
this.buildInfo.assets = Object.create(null);
|
|
}
|
|
Object.assign(this.buildInfo.assets, m.buildInfo.assets);
|
|
}
|
|
if (m.buildInfo.assetsInfo) {
|
|
if (this.buildInfo.assetsInfo === undefined) {
|
|
this.buildInfo.assetsInfo = new Map();
|
|
}
|
|
for (const [key, value] of m.buildInfo.assetsInfo) {
|
|
this.buildInfo.assetsInfo.set(key, value);
|
|
}
|
|
}
|
|
}
|
|
callback();
|
|
}
|
|
|
|
/**
|
|
* @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) {
|
|
// Guess size from embedded modules
|
|
let size = 0;
|
|
for (const module of this._modules) {
|
|
size += module.size(type);
|
|
}
|
|
return size;
|
|
}
|
|
|
|
/**
|
|
* @private
|
|
* @param {Module} rootModule the root of the concatenation
|
|
* @param {Set<Module>} modulesSet a set of modules which should be concatenated
|
|
* @param {RuntimeSpec} runtime for this runtime
|
|
* @param {ModuleGraph} moduleGraph the module graph
|
|
* @returns {ConcatenationEntry[]} concatenation list
|
|
*/
|
|
_createConcatenationList(rootModule, modulesSet, runtime, moduleGraph) {
|
|
/** @type {ConcatenationEntry[]} */
|
|
const list = [];
|
|
/** @type {Set<Module>} */
|
|
const existingEntries = new Set();
|
|
|
|
/**
|
|
* @param {Module} module a module
|
|
* @returns {ModuleGraphConnection[]} imported modules in order
|
|
*/
|
|
const getConcatenatedImports = module => {
|
|
let connections = Array.from(moduleGraph.getOutgoingConnections(module));
|
|
if (module === rootModule) {
|
|
for (const c of moduleGraph.getOutgoingConnections(this))
|
|
connections.push(c);
|
|
}
|
|
const references = connections
|
|
.filter(connection => {
|
|
if (!(connection.dependency instanceof HarmonyImportDependency))
|
|
return false;
|
|
return (
|
|
connection && connection.module && connection.isActive(runtime)
|
|
);
|
|
})
|
|
.map(connection => ({
|
|
connection,
|
|
sourceOrder: /** @type {HarmonyImportDependency} */ (connection.dependency)
|
|
.sourceOrder
|
|
}));
|
|
references.sort(
|
|
concatComparators(bySourceOrder, keepOriginalOrder(references))
|
|
);
|
|
return references.map(({ connection }) => connection);
|
|
};
|
|
|
|
/**
|
|
* @param {ModuleGraphConnection} connection graph connection
|
|
* @returns {void}
|
|
*/
|
|
const enterModule = connection => {
|
|
const module = connection.module;
|
|
if (!module) return;
|
|
if (existingEntries.has(module)) {
|
|
return;
|
|
}
|
|
if (modulesSet.has(module)) {
|
|
existingEntries.add(module);
|
|
const imports = getConcatenatedImports(module);
|
|
imports.forEach(enterModule);
|
|
list.push({
|
|
type: "concatenated",
|
|
module: connection.module
|
|
});
|
|
} else {
|
|
existingEntries.add(connection.module);
|
|
list.push({
|
|
type: "external",
|
|
get module() {
|
|
// We need to use a getter here, because the module in the dependency
|
|
// could be replaced by some other process (i. e. also replaced with a
|
|
// concatenated module)
|
|
return connection.module;
|
|
}
|
|
});
|
|
}
|
|
};
|
|
|
|
existingEntries.add(rootModule);
|
|
const imports = getConcatenatedImports(rootModule);
|
|
imports.forEach(enterModule);
|
|
list.push({
|
|
type: "concatenated",
|
|
module: rootModule
|
|
});
|
|
|
|
return list;
|
|
}
|
|
|
|
static _createIdentifier(rootModule, modules, associatedObjectForCache) {
|
|
const cachedContextify = contextify.bindContextCache(
|
|
rootModule.context,
|
|
associatedObjectForCache
|
|
);
|
|
let identifiers = [];
|
|
for (const module of modules) {
|
|
identifiers.push(cachedContextify(module.identifier()));
|
|
}
|
|
identifiers.sort();
|
|
const hash = createHash("md4");
|
|
hash.update(identifiers.join(" "));
|
|
return rootModule.identifier() + "|" + hash.digest("hex");
|
|
}
|
|
|
|
/**
|
|
* @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
|
|
) {
|
|
for (const module of this._modules) {
|
|
module.addCacheDependencies(
|
|
fileDependencies,
|
|
contextDependencies,
|
|
missingDependencies,
|
|
buildDependencies
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {CodeGenerationContext} context context for code generation
|
|
* @returns {CodeGenerationResult} result
|
|
*/
|
|
codeGeneration({
|
|
dependencyTemplates,
|
|
runtimeTemplate,
|
|
moduleGraph,
|
|
chunkGraph,
|
|
runtime
|
|
}) {
|
|
/** @type {Set<string>} */
|
|
const runtimeRequirements = new Set();
|
|
|
|
const requestShortener = runtimeTemplate.requestShortener;
|
|
// Meta info for each module
|
|
const modulesWithInfo = this._getModulesWithInfo(moduleGraph, runtime);
|
|
|
|
// Create mapping from module to info
|
|
const moduleToInfoMap = modulesWithInfoToMap(modulesWithInfo);
|
|
|
|
// Configure template decorators for dependencies
|
|
const innerDependencyTemplates = this._getInnerDependencyTemplates(
|
|
dependencyTemplates,
|
|
moduleToInfoMap
|
|
);
|
|
|
|
// Generate source code and analyse scopes
|
|
// Prepare a ReplaceSource for the final source
|
|
for (const info of modulesWithInfo) {
|
|
this._analyseModule(
|
|
info,
|
|
innerDependencyTemplates,
|
|
runtimeTemplate,
|
|
moduleGraph,
|
|
chunkGraph,
|
|
runtime
|
|
);
|
|
}
|
|
|
|
// List of all used names to avoid conflicts
|
|
const allUsedNames = new Set(RESERVED_NAMES);
|
|
|
|
// List of additional names in scope for module references
|
|
/** @type {Map<string, { usedNames: Set<string>, alreadyCheckedScopes: Set<TODO> }>} */
|
|
const usedNamesInScopeInfo = new Map();
|
|
/**
|
|
* @param {string} module module identifier
|
|
* @param {string} id export id
|
|
* @returns {{ usedNames: Set<string>, alreadyCheckedScopes: Set<TODO> }} info
|
|
*/
|
|
const getUsedNamesInScopeInfo = (module, id) => {
|
|
const key = `${module}-${id}`;
|
|
let info = usedNamesInScopeInfo.get(key);
|
|
if (info === undefined) {
|
|
info = {
|
|
usedNames: new Set(),
|
|
alreadyCheckedScopes: new Set()
|
|
};
|
|
usedNamesInScopeInfo.set(key, info);
|
|
}
|
|
return info;
|
|
};
|
|
|
|
// Set of already checked scopes
|
|
const ignoredScopes = new Set();
|
|
|
|
// get all global names
|
|
for (const info of modulesWithInfo) {
|
|
if (info.type === "concatenated") {
|
|
const superClassExpressions = [];
|
|
|
|
// ignore symbols from moduleScope
|
|
if (info.moduleScope) {
|
|
ignoredScopes.add(info.moduleScope);
|
|
|
|
// The super class expression in class scopes behaves weird
|
|
// We store ranges of all super class expressions to make
|
|
// renaming to work correctly
|
|
for (const childScope of info.moduleScope.childScopes) {
|
|
if (childScope.type !== "class") continue;
|
|
const block = childScope.block;
|
|
if (
|
|
(block.type === "ClassDeclaration" ||
|
|
block.type === "ClassExpression") &&
|
|
block.superClass
|
|
) {
|
|
superClassExpressions.push({
|
|
range: block.superClass.range,
|
|
variables: childScope.variables
|
|
});
|
|
}
|
|
}
|
|
}
|
|
|
|
// add global symbols
|
|
if (info.globalScope) {
|
|
for (const reference of info.globalScope.through) {
|
|
const name = reference.identifier.name;
|
|
if (isModuleReference(name)) {
|
|
const match = matchModuleReference(name, modulesWithInfo);
|
|
if (!match || match.ids.length < 1) continue;
|
|
const binding = getFinalBinding(
|
|
match.info,
|
|
match.ids,
|
|
moduleToInfoMap,
|
|
requestShortener
|
|
);
|
|
if (!binding.ids) continue;
|
|
const {
|
|
usedNames,
|
|
alreadyCheckedScopes
|
|
} = getUsedNamesInScopeInfo(
|
|
binding.info.module.identifier(),
|
|
binding.info.type === "external"
|
|
? "external"
|
|
: binding.ids.length > 0
|
|
? binding.ids[0]
|
|
: ""
|
|
);
|
|
for (const expr of superClassExpressions) {
|
|
if (
|
|
expr.range[0] <= reference.identifier.range[0] &&
|
|
expr.range[1] >= reference.identifier.range[1]
|
|
) {
|
|
for (const variable of expr.variables) {
|
|
usedNames.add(variable.name);
|
|
}
|
|
}
|
|
}
|
|
addScopeSymbols(
|
|
reference.from,
|
|
usedNames,
|
|
alreadyCheckedScopes,
|
|
ignoredScopes
|
|
);
|
|
} else {
|
|
allUsedNames.add(name);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// generate names for symbols
|
|
for (const info of modulesWithInfo) {
|
|
switch (info.type) {
|
|
case "concatenated": {
|
|
const {
|
|
usedNames: namespaceObjectUsedNames
|
|
} = getUsedNamesInScopeInfo(info.module.identifier(), "");
|
|
const namespaceObjectName = this.findNewName(
|
|
"namespaceObject",
|
|
allUsedNames,
|
|
namespaceObjectUsedNames,
|
|
info.module.readableIdentifier(requestShortener)
|
|
);
|
|
allUsedNames.add(namespaceObjectName);
|
|
info.namespaceObjectName = namespaceObjectName;
|
|
for (const variable of info.moduleScope.variables) {
|
|
const name = variable.name;
|
|
const { usedNames, alreadyCheckedScopes } = getUsedNamesInScopeInfo(
|
|
info.module.identifier(),
|
|
name
|
|
);
|
|
if (allUsedNames.has(name) || usedNames.has(name)) {
|
|
const references = getAllReferences(variable);
|
|
for (const ref of references) {
|
|
addScopeSymbols(
|
|
ref.from,
|
|
usedNames,
|
|
alreadyCheckedScopes,
|
|
ignoredScopes
|
|
);
|
|
}
|
|
const newName = this.findNewName(
|
|
name,
|
|
allUsedNames,
|
|
usedNames,
|
|
info.module.readableIdentifier(requestShortener)
|
|
);
|
|
allUsedNames.add(newName);
|
|
info.internalNames.set(name, newName);
|
|
const source = info.source;
|
|
const allIdentifiers = new Set(
|
|
references.map(r => r.identifier).concat(variable.identifiers)
|
|
);
|
|
for (const identifier of allIdentifiers) {
|
|
const r = identifier.range;
|
|
const path = getPathInAst(info.ast, identifier);
|
|
if (
|
|
path &&
|
|
path.length > 1 &&
|
|
path[1].type === "Property" &&
|
|
path[1].shorthand
|
|
) {
|
|
source.insert(r[1], `: ${newName}`);
|
|
} else {
|
|
source.replace(r[0], r[1] - 1, newName);
|
|
}
|
|
}
|
|
} else {
|
|
allUsedNames.add(name);
|
|
info.internalNames.set(name, name);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case "external": {
|
|
const { usedNames } = getUsedNamesInScopeInfo(
|
|
info.module.identifier(),
|
|
"external"
|
|
);
|
|
const externalName = this.findNewName(
|
|
"",
|
|
allUsedNames,
|
|
usedNames,
|
|
info.module.readableIdentifier(requestShortener)
|
|
);
|
|
allUsedNames.add(externalName);
|
|
info.name = externalName;
|
|
if (
|
|
info.module.buildMeta.exportsType === "default" ||
|
|
info.module.buildMeta.exportsType === "flagged" ||
|
|
info.module.buildMeta.exportsType === "dynamic" ||
|
|
!info.module.buildMeta.exportsType
|
|
) {
|
|
const externalNameInterop = this.findNewName(
|
|
"namespaceObject",
|
|
allUsedNames,
|
|
usedNames,
|
|
info.module.readableIdentifier(requestShortener)
|
|
);
|
|
allUsedNames.add(externalNameInterop);
|
|
info.interopNamespaceObjectName = externalNameInterop;
|
|
}
|
|
if (
|
|
info.module.buildMeta.exportsType === "dynamic" ||
|
|
!info.module.buildMeta.exportsType
|
|
) {
|
|
const externalNameInterop = this.findNewName(
|
|
"default",
|
|
allUsedNames,
|
|
usedNames,
|
|
info.module.readableIdentifier(requestShortener)
|
|
);
|
|
allUsedNames.add(externalNameInterop);
|
|
info.interopDefaultAccessName = externalNameInterop;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Find and replace referenced to modules
|
|
for (const info of modulesWithInfo) {
|
|
if (info.type === "concatenated") {
|
|
for (const reference of info.globalScope.through) {
|
|
const name = reference.identifier.name;
|
|
const match = matchModuleReference(name, modulesWithInfo);
|
|
if (match) {
|
|
const finalName = getFinalName(
|
|
moduleGraph,
|
|
match.info,
|
|
match.ids,
|
|
moduleToInfoMap,
|
|
runtime,
|
|
requestShortener,
|
|
runtimeTemplate,
|
|
match.call,
|
|
!match.directImport,
|
|
match.strict,
|
|
match.asiSafe
|
|
);
|
|
const r = reference.identifier.range;
|
|
const source = info.source;
|
|
source.replace(r[0], r[1] - 1, finalName);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Map with all root exposed used exports
|
|
/** @type {Map<string, function(RequestShortener): string>} */
|
|
const exportsMap = new Map();
|
|
|
|
// Set with all root exposed unused exports
|
|
/** @type {Set<string>} */
|
|
const unusedExports = new Set();
|
|
|
|
const rootInfo = /** @type {ConcatenatedModuleInfo} */ (moduleToInfoMap.get(
|
|
this.rootModule
|
|
));
|
|
for (const dep of this.rootModule.dependencies) {
|
|
if (dep instanceof HarmonyExportSpecifierDependency) {
|
|
const used = /** @type {string | false } */ (moduleGraph
|
|
.getExportsInfo(this.rootModule)
|
|
.getUsedName(dep.name, runtime));
|
|
if (used) {
|
|
if (!exportsMap.has(used)) {
|
|
exportsMap.set(
|
|
used,
|
|
() => `/* binding */ ${rootInfo.internalNames.get(dep.id)}`
|
|
);
|
|
}
|
|
} else {
|
|
unusedExports.add(dep.name || "namespace");
|
|
}
|
|
} else if (dep instanceof HarmonyExportExpressionDependency) {
|
|
const used = /** @type {string | false } */ (moduleGraph
|
|
.getExportsInfo(this.rootModule)
|
|
.getUsedName("default", runtime));
|
|
if (used) {
|
|
if (!exportsMap.has(used)) {
|
|
exportsMap.set(
|
|
used,
|
|
() =>
|
|
`/* default */ ${rootInfo.internalNames.get(
|
|
typeof dep.declarationId === "string"
|
|
? dep.declarationId
|
|
: "__WEBPACK_MODULE_DEFAULT_EXPORT__"
|
|
)}`
|
|
);
|
|
}
|
|
} else {
|
|
unusedExports.add("default");
|
|
}
|
|
} else if (dep instanceof HarmonyExportImportedSpecifierDependency) {
|
|
const exportDefs = getHarmonyExportImportedSpecifierDependencyExports(
|
|
dep,
|
|
moduleGraph,
|
|
runtime
|
|
);
|
|
for (const def of exportDefs) {
|
|
const importedModule = moduleGraph.getModule(dep);
|
|
const used = /** @type {string | false} */ (moduleGraph
|
|
.getExportsInfo(this.rootModule)
|
|
.getUsedName(def.name, runtime));
|
|
if (used) {
|
|
if (!exportsMap.has(used)) {
|
|
const info = moduleToInfoMap.get(importedModule);
|
|
if (!info) {
|
|
throw new Error(
|
|
`Imported module ${importedModule.identifier()} is not in moduleToInfoMap: ${Array.from(
|
|
moduleToInfoMap.keys(),
|
|
m => m.identifier()
|
|
).join(", ")}`
|
|
);
|
|
}
|
|
exportsMap.set(used, requestShortener => {
|
|
const finalName = getFinalName(
|
|
moduleGraph,
|
|
info,
|
|
def.ids,
|
|
moduleToInfoMap,
|
|
runtime,
|
|
requestShortener,
|
|
runtimeTemplate,
|
|
false,
|
|
false,
|
|
this.rootModule.buildMeta.strictHarmonyModule,
|
|
true
|
|
);
|
|
return `/* reexport */ ${finalName}`;
|
|
});
|
|
}
|
|
} else {
|
|
unusedExports.add(def.name);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
const result = new ConcatSource();
|
|
|
|
// add harmony compatibility flag (must be first because of possible circular dependencies)
|
|
if (
|
|
moduleGraph.getExportsInfo(this).otherExportsInfo.getUsed(runtime) !==
|
|
UsageState.Unused
|
|
) {
|
|
result.add(`// ESM COMPAT FLAG\n`);
|
|
result.add(
|
|
runtimeTemplate.defineEsModuleFlagStatement({
|
|
exportsArgument: this.exportsArgument,
|
|
runtimeRequirements
|
|
})
|
|
);
|
|
}
|
|
|
|
// define exports
|
|
if (exportsMap.size > 0) {
|
|
runtimeRequirements.add(RuntimeGlobals.exports);
|
|
runtimeRequirements.add(RuntimeGlobals.definePropertyGetters);
|
|
const definitions = [];
|
|
for (const [key, value] of exportsMap) {
|
|
definitions.push(
|
|
`\n ${JSON.stringify(key)}: ${runtimeTemplate.returningFunction(
|
|
value(requestShortener)
|
|
)}`
|
|
);
|
|
}
|
|
result.add(`\n// EXPORTS\n`);
|
|
result.add(
|
|
`${RuntimeGlobals.definePropertyGetters}(${
|
|
this.exportsArgument
|
|
}, {${definitions.join(",")}\n});\n`
|
|
);
|
|
}
|
|
|
|
// list unused exports
|
|
if (unusedExports.size > 0) {
|
|
result.add(
|
|
`\n// UNUSED EXPORTS: ${joinIterableWithComma(unusedExports)}\n`
|
|
);
|
|
}
|
|
|
|
// define required namespace objects (must be before evaluation modules)
|
|
for (const info of modulesWithInfo) {
|
|
if (info.type === "concatenated" && info.namespaceObjectSource) {
|
|
result.add(
|
|
`\n// NAMESPACE OBJECT: ${info.module.readableIdentifier(
|
|
requestShortener
|
|
)}\n`
|
|
);
|
|
result.add(info.namespaceObjectSource);
|
|
runtimeRequirements.add(RuntimeGlobals.makeNamespaceObject);
|
|
runtimeRequirements.add(RuntimeGlobals.definePropertyGetters);
|
|
}
|
|
}
|
|
|
|
// evaluate modules in order
|
|
for (const info of modulesWithInfo) {
|
|
switch (info.type) {
|
|
case "concatenated": {
|
|
result.add(
|
|
`\n// CONCATENATED MODULE: ${info.module.readableIdentifier(
|
|
requestShortener
|
|
)}\n`
|
|
);
|
|
result.add(info.source);
|
|
if (info.runtimeRequirements) {
|
|
for (const r of info.runtimeRequirements) {
|
|
runtimeRequirements.add(r);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case "external":
|
|
result.add(
|
|
`\n// EXTERNAL MODULE: ${info.module.readableIdentifier(
|
|
requestShortener
|
|
)}\n`
|
|
);
|
|
runtimeRequirements.add(RuntimeGlobals.require);
|
|
result.add(
|
|
`var ${info.name} = __webpack_require__(${JSON.stringify(
|
|
chunkGraph.getModuleId(info.module)
|
|
)});\n`
|
|
);
|
|
if (info.interopNamespaceObjectUsed) {
|
|
if (info.module.buildMeta.exportsType === "default") {
|
|
runtimeRequirements.add(RuntimeGlobals.createFakeNamespaceObject);
|
|
result.add(
|
|
`var ${info.interopNamespaceObjectName} = /*#__PURE__*/${RuntimeGlobals.createFakeNamespaceObject}(${info.name}, 2);\n`
|
|
);
|
|
} else if (
|
|
info.module.buildMeta.exportsType === "flagged" ||
|
|
info.module.buildMeta.exportsType === "dynamic" ||
|
|
!info.module.buildMeta.exportsType
|
|
) {
|
|
runtimeRequirements.add(RuntimeGlobals.createFakeNamespaceObject);
|
|
result.add(
|
|
`var ${info.interopNamespaceObjectName} = /*#__PURE__*/${RuntimeGlobals.createFakeNamespaceObject}(${info.name});\n`
|
|
);
|
|
}
|
|
}
|
|
if (info.interopDefaultAccessUsed) {
|
|
runtimeRequirements.add(RuntimeGlobals.compatGetDefaultExport);
|
|
result.add(
|
|
`var ${info.interopDefaultAccessName} = /*#__PURE__*/${RuntimeGlobals.compatGetDefaultExport}(${info.name});\n`
|
|
);
|
|
}
|
|
break;
|
|
default:
|
|
// @ts-expect-error never is expected here
|
|
throw new Error(`Unsupported concatenation entry type ${info.type}`);
|
|
}
|
|
}
|
|
|
|
/** @type {CodeGenerationResult} */
|
|
const resultEntry = {
|
|
sources: new Map([["javascript", new CachedSource(result)]]),
|
|
runtimeRequirements
|
|
};
|
|
|
|
return resultEntry;
|
|
}
|
|
|
|
/**
|
|
* @param {ModuleInfo} info info
|
|
* @param {DependencyTemplates} innerDependencyTemplates innerDependencyTemplates
|
|
* @param {RuntimeTemplate} runtimeTemplate runtimeTemplate
|
|
* @param {ModuleGraph} moduleGraph moduleGraph
|
|
* @param {ChunkGraph} chunkGraph chunkGraph
|
|
* @param {RuntimeSpec} runtime runtime
|
|
*/
|
|
_analyseModule(
|
|
info,
|
|
innerDependencyTemplates,
|
|
runtimeTemplate,
|
|
moduleGraph,
|
|
chunkGraph,
|
|
runtime
|
|
) {
|
|
if (info.type === "concatenated") {
|
|
const m = info.module;
|
|
try {
|
|
// TODO cache codeGeneration results
|
|
const codeGenResult = m.codeGeneration({
|
|
dependencyTemplates: innerDependencyTemplates,
|
|
runtimeTemplate,
|
|
moduleGraph,
|
|
chunkGraph,
|
|
runtime
|
|
});
|
|
const source = codeGenResult.sources.get("javascript");
|
|
const code = source.source().toString();
|
|
let ast;
|
|
try {
|
|
ast = JavascriptParser.parse(code, {
|
|
sourceType: "module"
|
|
});
|
|
} catch (err) {
|
|
if (
|
|
err.loc &&
|
|
typeof err.loc === "object" &&
|
|
typeof err.loc.line === "number"
|
|
) {
|
|
const lineNumber = err.loc.line;
|
|
const lines = code.split("\n");
|
|
err.message +=
|
|
"\n| " +
|
|
lines
|
|
.slice(Math.max(0, lineNumber - 3), lineNumber + 2)
|
|
.join("\n| ");
|
|
}
|
|
throw err;
|
|
}
|
|
const scopeManager = eslintScope.analyze(ast, {
|
|
ecmaVersion: 6,
|
|
sourceType: "module",
|
|
optimistic: true,
|
|
ignoreEval: true,
|
|
impliedStrict: true
|
|
});
|
|
const globalScope = scopeManager.acquire(ast);
|
|
const moduleScope = globalScope.childScopes[0];
|
|
const resultSource = new ReplaceSource(source);
|
|
info.runtimeRequirements = codeGenResult.runtimeRequirements;
|
|
info.ast = ast;
|
|
info.internalSource = source;
|
|
info.source = resultSource;
|
|
info.globalScope = globalScope;
|
|
info.moduleScope = moduleScope;
|
|
} catch (err) {
|
|
err.message += `\nwhile analysing module ${m.identifier()} for concatenation`;
|
|
throw err;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @param {ChunkGraph} chunkGraph the chunk graph
|
|
* @param {DependencyTemplates} dependencyTemplates dependency templates
|
|
* @param {RuntimeSpec} runtime the runtime
|
|
* @returns {string} hash
|
|
*/
|
|
_getHashDigest(chunkGraph, dependencyTemplates, runtime) {
|
|
const hash = chunkGraph.getModuleHash(this, runtime);
|
|
const dtHash = dependencyTemplates.getHash();
|
|
return `${hash}-${dtHash}`;
|
|
}
|
|
|
|
/**
|
|
* @param {ModuleGraph} moduleGraph the module graph
|
|
* @param {RuntimeSpec} runtime the runtime
|
|
* @returns {ModuleInfo[]} module info items
|
|
*/
|
|
_getModulesWithInfo(moduleGraph, runtime) {
|
|
/** @type {ModuleInfo[]} */
|
|
const results = [];
|
|
let idx = 0;
|
|
const orderedConcatenationList = this._createConcatenationList(
|
|
this.rootModule,
|
|
this._modules,
|
|
undefined,
|
|
moduleGraph
|
|
);
|
|
for (const info of orderedConcatenationList) {
|
|
switch (info.type) {
|
|
case "concatenated": {
|
|
/** @type {Map<string, string>} */
|
|
const exportMap = new Map();
|
|
/** @type {Map<string, ReexportInfo>} */
|
|
const reexportMap = new Map();
|
|
for (const dep of info.module.dependencies) {
|
|
if (dep instanceof HarmonyExportSpecifierDependency) {
|
|
if (!exportMap.has(dep.name)) {
|
|
exportMap.set(dep.name, dep.id);
|
|
}
|
|
} else if (dep instanceof HarmonyExportExpressionDependency) {
|
|
if (!exportMap.has("default")) {
|
|
exportMap.set(
|
|
"default",
|
|
typeof dep.declarationId === "string"
|
|
? dep.declarationId
|
|
: "__WEBPACK_MODULE_DEFAULT_EXPORT__"
|
|
);
|
|
}
|
|
} else if (
|
|
dep instanceof HarmonyExportImportedSpecifierDependency
|
|
) {
|
|
const exportName = dep.name;
|
|
const importNames = dep.getIds(moduleGraph);
|
|
const importedModule = moduleGraph.getModule(dep);
|
|
if (exportName) {
|
|
if (!reexportMap.has(exportName)) {
|
|
reexportMap.set(exportName, {
|
|
module: importedModule,
|
|
exportName: importNames,
|
|
dependency: dep
|
|
});
|
|
}
|
|
} else if (importedModule) {
|
|
const { exports: providedExports } = dep.getStarReexports(
|
|
moduleGraph,
|
|
runtime,
|
|
undefined,
|
|
importedModule
|
|
);
|
|
if (providedExports) {
|
|
for (const name of providedExports) {
|
|
if (!reexportMap.has(name)) {
|
|
reexportMap.set(name, {
|
|
module: importedModule,
|
|
exportName: [name],
|
|
dependency: dep
|
|
});
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
results.push({
|
|
type: "concatenated",
|
|
module: info.module,
|
|
index: idx++,
|
|
ast: undefined,
|
|
internalSource: undefined,
|
|
runtimeRequirements: undefined,
|
|
source: undefined,
|
|
globalScope: undefined,
|
|
moduleScope: undefined,
|
|
internalNames: new Map(),
|
|
exportMap,
|
|
reexportMap,
|
|
hasNamespaceObject: false,
|
|
namespaceObjectName: undefined,
|
|
namespaceObjectSource: null
|
|
});
|
|
break;
|
|
}
|
|
case "external":
|
|
results.push({
|
|
type: "external",
|
|
module: info.module,
|
|
index: idx++,
|
|
name: undefined,
|
|
interopNamespaceObjectUsed: false,
|
|
interopNamespaceObjectName: undefined,
|
|
interopDefaultAccessUsed: false,
|
|
interopDefaultAccessName: undefined
|
|
});
|
|
break;
|
|
default:
|
|
throw new Error(`Unsupported concatenation entry type ${info.type}`);
|
|
}
|
|
}
|
|
return results;
|
|
}
|
|
|
|
/**
|
|
* @param {DependencyTemplates} dependencyTemplates outer dependency templates
|
|
* @param {Map<Module, ModuleInfo>} moduleToInfoMap map for module info
|
|
* @returns {DependencyTemplates} inner dependency templates
|
|
*/
|
|
_getInnerDependencyTemplates(dependencyTemplates, moduleToInfoMap) {
|
|
const innerDependencyTemplates = dependencyTemplates.clone();
|
|
innerDependencyTemplates.set(
|
|
HarmonyImportSpecifierDependency,
|
|
new HarmonyImportSpecifierDependencyConcatenatedTemplate(
|
|
dependencyTemplates.get(HarmonyImportSpecifierDependency),
|
|
moduleToInfoMap
|
|
)
|
|
);
|
|
innerDependencyTemplates.set(
|
|
HarmonyImportSideEffectDependency,
|
|
new HarmonyImportSideEffectDependencyConcatenatedTemplate(
|
|
dependencyTemplates.get(HarmonyImportSideEffectDependency),
|
|
moduleToInfoMap
|
|
)
|
|
);
|
|
innerDependencyTemplates.set(
|
|
HarmonyExportSpecifierDependency,
|
|
new NullTemplate()
|
|
);
|
|
innerDependencyTemplates.set(
|
|
HarmonyExportExpressionDependency,
|
|
new HarmonyExportExpressionDependencyConcatenatedTemplate(
|
|
dependencyTemplates.get(HarmonyExportExpressionDependency),
|
|
this.rootModule,
|
|
moduleToInfoMap
|
|
)
|
|
);
|
|
innerDependencyTemplates.set(
|
|
HarmonyExportImportedSpecifierDependency,
|
|
new NullTemplate()
|
|
);
|
|
innerDependencyTemplates.set(
|
|
HarmonyCompatibilityDependency,
|
|
new NullTemplate()
|
|
);
|
|
// Must use full identifier in our cache here to ensure that the source
|
|
// is updated should our dependencies list change.
|
|
// TODO webpack 5 refactor
|
|
innerDependencyTemplates.updateHash(this.identifier());
|
|
return innerDependencyTemplates;
|
|
}
|
|
|
|
findNewName(oldName, usedNamed1, usedNamed2, extraInfo) {
|
|
let name = oldName;
|
|
|
|
if (name === "__WEBPACK_MODULE_DEFAULT_EXPORT__") name = "";
|
|
|
|
// Remove uncool stuff
|
|
extraInfo = extraInfo.replace(
|
|
/\.+\/|(\/index)?\.([a-zA-Z0-9]{1,4})($|\s|\?)|\s*\+\s*\d+\s*modules/g,
|
|
""
|
|
);
|
|
|
|
const splittedInfo = extraInfo.split("/");
|
|
while (splittedInfo.length) {
|
|
name = splittedInfo.pop() + (name ? "_" + name : "");
|
|
const nameIdent = Template.toIdentifier(name);
|
|
if (
|
|
!usedNamed1.has(nameIdent) &&
|
|
(!usedNamed2 || !usedNamed2.has(nameIdent))
|
|
)
|
|
return nameIdent;
|
|
}
|
|
|
|
let i = 0;
|
|
let nameWithNumber = Template.toIdentifier(`${name}_${i}`);
|
|
while (
|
|
usedNamed1.has(nameWithNumber) ||
|
|
(usedNamed2 && usedNamed2.has(nameWithNumber))
|
|
) {
|
|
i++;
|
|
nameWithNumber = Template.toIdentifier(`${name}_${i}`);
|
|
}
|
|
return nameWithNumber;
|
|
}
|
|
|
|
/**
|
|
* @param {Hash} hash the hash used to track dependencies
|
|
* @param {UpdateHashContext} context context
|
|
* @returns {void}
|
|
*/
|
|
updateHash(hash, context) {
|
|
const { chunkGraph, runtime } = context;
|
|
for (const info of this._createConcatenationList(
|
|
this.rootModule,
|
|
this._modules,
|
|
runtime,
|
|
chunkGraph.moduleGraph
|
|
)) {
|
|
switch (info.type) {
|
|
case "concatenated":
|
|
info.module.updateHash(hash, context);
|
|
break;
|
|
case "external":
|
|
hash.update(`${chunkGraph.getModuleId(info.module)}`);
|
|
break;
|
|
}
|
|
}
|
|
super.updateHash(hash, context);
|
|
}
|
|
|
|
static deserialize(context) {
|
|
const obj = new ConcatenatedModule({
|
|
identifier: undefined,
|
|
rootModule: undefined,
|
|
modules: undefined
|
|
});
|
|
obj.deserialize(context);
|
|
return obj;
|
|
}
|
|
}
|
|
|
|
makeSerializable(ConcatenatedModule, "webpack/lib/optimize/ConcatenatedModule");
|
|
|
|
class HarmonyImportSpecifierDependencyConcatenatedTemplate extends DependencyTemplate {
|
|
constructor(originalTemplate, modulesMap) {
|
|
super();
|
|
this.originalTemplate = originalTemplate;
|
|
this.modulesMap = modulesMap;
|
|
}
|
|
|
|
/**
|
|
* @param {Dependency} dependency the dependency for which the template should be applied
|
|
* @param {ReplaceSource} source the current replace source which can be modified
|
|
* @param {DependencyTemplateContext} templateContext the context object
|
|
* @returns {void}
|
|
*/
|
|
apply(dependency, source, templateContext) {
|
|
const { moduleGraph, module: parentModule } = templateContext;
|
|
const dep = /** @type {HarmonyImportSpecifierDependency} */ (dependency);
|
|
const module = moduleGraph.getModule(dep);
|
|
const info = this.modulesMap.get(module);
|
|
if (!info) {
|
|
this.originalTemplate.apply(dependency, source, templateContext);
|
|
return;
|
|
}
|
|
let content;
|
|
const ids = dep.getIds(moduleGraph);
|
|
if (ids.length === 0) {
|
|
content = createModuleReference({
|
|
info,
|
|
strict: parentModule.buildMeta.strictHarmonyModule,
|
|
asiSafe: dep.asiSafe
|
|
});
|
|
} else if (dep.namespaceObjectAsContext && ids.length === 1) {
|
|
content =
|
|
createModuleReference({
|
|
info,
|
|
strict: parentModule.buildMeta.strictHarmonyModule,
|
|
asiSafe: dep.asiSafe
|
|
}) + propertyAccess(ids);
|
|
} else {
|
|
content = createModuleReference({
|
|
info,
|
|
ids,
|
|
call: dep.call,
|
|
directImport: dep.directImport,
|
|
strict: parentModule.buildMeta.strictHarmonyModule,
|
|
asiSafe: dep.asiSafe
|
|
});
|
|
}
|
|
if (dep.shorthand) {
|
|
source.insert(dep.range[1], ": " + content);
|
|
} else {
|
|
source.replace(dep.range[0], dep.range[1] - 1, content);
|
|
}
|
|
}
|
|
}
|
|
|
|
class HarmonyImportSideEffectDependencyConcatenatedTemplate extends DependencyTemplate {
|
|
constructor(originalTemplate, modulesMap) {
|
|
super();
|
|
this.originalTemplate = originalTemplate;
|
|
this.modulesMap = modulesMap;
|
|
}
|
|
|
|
/**
|
|
* @param {Dependency} dependency the dependency for which the template should be applied
|
|
* @param {ReplaceSource} source the current replace source which can be modified
|
|
* @param {DependencyTemplateContext} templateContext the context object
|
|
* @returns {void}
|
|
*/
|
|
apply(dependency, source, templateContext) {
|
|
const { moduleGraph } = templateContext;
|
|
const dep = /** @type {HarmonyImportSideEffectDependency} */ (dependency);
|
|
const module = moduleGraph.getModule(dep);
|
|
const info = this.modulesMap.get(module);
|
|
if (!info) {
|
|
this.originalTemplate.apply(dependency, source, templateContext);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
class HarmonyExportExpressionDependencyConcatenatedTemplate extends DependencyTemplate {
|
|
constructor(
|
|
originalTemplate,
|
|
rootModule,
|
|
modulesMap,
|
|
exportsMap,
|
|
unusedExports
|
|
) {
|
|
super();
|
|
this.originalTemplate = originalTemplate;
|
|
this.rootModule = rootModule;
|
|
this.modulesMap = modulesMap;
|
|
this.exportsMap = exportsMap;
|
|
this.unusedExports = unusedExports;
|
|
}
|
|
|
|
/**
|
|
* @param {Dependency} dependency the dependency for which the template should be applied
|
|
* @param {ReplaceSource} source the current replace source which can be modified
|
|
* @param {DependencyTemplateContext} templateContext the context object
|
|
* @returns {void}
|
|
*/
|
|
apply(
|
|
dependency,
|
|
source,
|
|
{ module, moduleGraph, runtimeTemplate, initFragments }
|
|
) {
|
|
const dep = /** @type {HarmonyExportExpressionDependency} */ (dependency);
|
|
const { declarationId } = dep;
|
|
|
|
if (declarationId) {
|
|
let name;
|
|
if (typeof declarationId === "string") {
|
|
name = declarationId;
|
|
} else {
|
|
name = "__WEBPACK_MODULE_DEFAULT_EXPORT__";
|
|
source.replace(
|
|
declarationId.range[0],
|
|
declarationId.range[1] - 1,
|
|
`${declarationId.prefix}${name}${declarationId.suffix}`
|
|
);
|
|
}
|
|
|
|
source.replace(
|
|
dep.rangeStatement[0],
|
|
dep.range[0] - 1,
|
|
`/* harmony default export */ ${dep.prefix}`
|
|
);
|
|
} else {
|
|
const content = `/* harmony default export */ ${
|
|
runtimeTemplate.supportsConst() ? "const" : "var"
|
|
} __WEBPACK_MODULE_DEFAULT_EXPORT__ = `;
|
|
|
|
if (dep.range) {
|
|
source.replace(
|
|
dep.rangeStatement[0],
|
|
dep.range[0] - 1,
|
|
content + "(" + dep.prefix
|
|
);
|
|
source.replace(dep.range[1], dep.rangeStatement[1] - 0.5, ");");
|
|
return;
|
|
}
|
|
|
|
source.replace(
|
|
dep.rangeStatement[0],
|
|
dep.rangeStatement[1] - 1,
|
|
content + dep.prefix
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
class NullTemplate {
|
|
apply() {}
|
|
}
|
|
|
|
module.exports = ConcatenatedModule;
|