diff options
Diffstat (limited to 'node_modules/webpack/lib/optimize/ConcatenatedModule.js')
| -rw-r--r-- | node_modules/webpack/lib/optimize/ConcatenatedModule.js | 1477 |
1 files changed, 0 insertions, 1477 deletions
diff --git a/node_modules/webpack/lib/optimize/ConcatenatedModule.js b/node_modules/webpack/lib/optimize/ConcatenatedModule.js deleted file mode 100644 index df4d216..0000000 --- a/node_modules/webpack/lib/optimize/ConcatenatedModule.js +++ /dev/null @@ -1,1477 +0,0 @@ -/* - MIT License http://www.opensource.org/licenses/mit-license.php - Author Tobias Koppers @sokra -*/ -"use strict"; - -const Module = require("../Module"); -const Template = require("../Template"); -const Parser = require("../Parser"); -const eslintScope = require("eslint-scope"); -const { ConcatSource, ReplaceSource } = require("webpack-sources"); -const DependencyReference = require("../dependencies/DependencyReference"); -const HarmonyImportDependency = require("../dependencies/HarmonyImportDependency"); -const HarmonyImportSideEffectDependency = require("../dependencies/HarmonyImportSideEffectDependency"); -const HarmonyImportSpecifierDependency = require("../dependencies/HarmonyImportSpecifierDependency"); -const HarmonyExportSpecifierDependency = require("../dependencies/HarmonyExportSpecifierDependency"); -const HarmonyExportExpressionDependency = require("../dependencies/HarmonyExportExpressionDependency"); -const HarmonyExportImportedSpecifierDependency = require("../dependencies/HarmonyExportImportedSpecifierDependency"); -const HarmonyCompatibilityDependency = require("../dependencies/HarmonyCompatibilityDependency"); -const createHash = require("../util/createHash"); - -/** @typedef {import("../Dependency")} Dependency */ -/** @typedef {import("../Compilation")} Compilation */ -/** @typedef {import("../util/createHash").Hash} Hash */ -/** @typedef {import("../RequestShortener")} RequestShortener */ - -const joinIterableWithComma = iterable => { - // This is more performant than Array.from().join(", ") - // as it doesn't create an array - let str = ""; - let first = true; - for (const item of iterable) { - if (first) { - first = false; - } else { - str += ", "; - } - str += item; - } - return str; -}; - -/** - * @typedef {Object} ConcatenationEntry - * @property {"concatenated" | "external"} type - * @property {Module} module - */ - -const ensureNsObjSource = ( - info, - moduleToInfoMap, - requestShortener, - strictHarmonyModule -) => { - if (!info.hasNamespaceObject) { - info.hasNamespaceObject = true; - const name = info.exportMap.get(true); - const nsObj = [`var ${name} = {};`, `__webpack_require__.r(${name});`]; - for (const exportName of info.module.buildMeta.providedExports) { - const finalName = getFinalName( - info, - exportName, - moduleToInfoMap, - requestShortener, - false, - strictHarmonyModule - ); - nsObj.push( - `__webpack_require__.d(${name}, ${JSON.stringify( - exportName - )}, function() { return ${finalName}; });` - ); - } - info.namespaceObjectSource = nsObj.join("\n") + "\n"; - } -}; - -const getExternalImport = ( - importedModule, - info, - exportName, - asCall, - strictHarmonyModule -) => { - const used = importedModule.isUsed(exportName); - if (!used) return "/* unused reexport */undefined"; - const comment = - used !== exportName ? ` ${Template.toNormalComment(exportName)}` : ""; - switch (importedModule.buildMeta.exportsType) { - case "named": - if (exportName === "default") { - return info.name; - } else if (exportName === true) { - info.interopNamespaceObjectUsed = true; - return info.interopNamespaceObjectName; - } else { - break; - } - case "namespace": - if (exportName === true) { - return info.name; - } else { - break; - } - default: - if (strictHarmonyModule) { - if (exportName === "default") { - return info.name; - } else if (exportName === true) { - info.interopNamespaceObjectUsed = true; - return info.interopNamespaceObjectName; - } else { - return "/* non-default import from non-esm module */undefined"; - } - } else { - if (exportName === "default") { - info.interopDefaultAccessUsed = true; - return asCall - ? `${info.interopDefaultAccessName}()` - : `${info.interopDefaultAccessName}.a`; - } else if (exportName === true) { - return info.name; - } else { - break; - } - } - } - const reference = `${info.name}[${JSON.stringify(used)}${comment}]`; - if (asCall) return `Object(${reference})`; - return reference; -}; - -const getFinalName = ( - info, - exportName, - moduleToInfoMap, - requestShortener, - asCall, - strictHarmonyModule, - alreadyVisited = new Set() -) => { - switch (info.type) { - case "concatenated": { - const directExport = info.exportMap.get(exportName); - if (directExport) { - if (exportName === true) { - ensureNsObjSource( - info, - moduleToInfoMap, - requestShortener, - strictHarmonyModule - ); - } else if (!info.module.isUsed(exportName)) { - return "/* unused export */ undefined"; - } - if (info.globalExports.has(directExport)) { - return directExport; - } - const name = info.internalNames.get(directExport); - if (!name) { - throw new Error( - `The export "${directExport}" in "${info.module.readableIdentifier( - requestShortener - )}" has no internal name` - ); - } - return name; - } - const reexport = info.reexportMap.get(exportName); - if (reexport) { - if (alreadyVisited.has(reexport)) { - throw new Error( - `Circular reexports ${Array.from( - alreadyVisited, - e => - `"${e.module.readableIdentifier(requestShortener)}".${ - e.exportName - }` - ).join( - " --> " - )} -(circular)-> "${reexport.module.readableIdentifier( - requestShortener - )}".${reexport.exportName}` - ); - } - alreadyVisited.add(reexport); - const refInfo = moduleToInfoMap.get(reexport.module); - if (refInfo) { - // module is in the concatenation - return getFinalName( - refInfo, - reexport.exportName, - moduleToInfoMap, - requestShortener, - asCall, - strictHarmonyModule, - alreadyVisited - ); - } - } - const problem = - `Cannot get final name for export "${exportName}" in "${info.module.readableIdentifier( - requestShortener - )}"` + - ` (known exports: ${Array.from(info.exportMap.keys()) - .filter(name => name !== true) - .join(" ")}, ` + - `known reexports: ${Array.from(info.reexportMap.keys()).join(" ")})`; - return `${Template.toNormalComment(problem)} undefined`; - } - case "external": { - const importedModule = info.module; - return getExternalImport( - importedModule, - info, - exportName, - asCall, - strictHarmonyModule - ); - } - } -}; - -const addScopeSymbols1 = (s, nameSet, scopeSet) => { - let scope = s; - while (scope) { - if (scopeSet.has(scope)) break; - scopeSet.add(scope); - for (const variable of scope.variables) { - nameSet.add(variable.name); - } - scope = scope.upper; - } -}; - -const addScopeSymbols2 = (s, nameSet, scopeSet1, scopeSet2) => { - let scope = s; - while (scope) { - if (scopeSet1.has(scope)) break; - if (scopeSet2.has(scope)) break; - scopeSet1.add(scope); - for (const variable of scope.variables) { - nameSet.add(variable.name); - } - scope = scope.upper; - } -}; - -const getAllReferences = variable => { - let set = variable.references; - // Look for inner scope variables too (like in class Foo { t() { Foo } }) - const identifiers = new Set(variable.identifiers); - for (const scope of variable.scope.childScopes) { - for (const innerVar of scope.variables) { - if (innerVar.identifiers.some(id => identifiers.has(id))) { - set = set.concat(innerVar.references); - break; - } - } - } - 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; - }; - - var i; - if (Array.isArray(ast)) { - for (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 (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; - } - } - } -}; - -const getHarmonyExportImportedSpecifierDependencyExports = dep => { - const importModule = dep._module; - if (!importModule) return []; - if (dep._id) { - // export { named } from "module" - return [ - { - name: dep.name, - id: dep._id, - module: importModule - } - ]; - } - if (dep.name) { - // export * as abc from "module" - return [ - { - name: dep.name, - id: true, - module: importModule - } - ]; - } - // export * from "module" - return importModule.buildMeta.providedExports - .filter(exp => exp !== "default" && !dep.activeExports.has(exp)) - .map(exp => { - return { - name: exp, - id: exp, - module: importModule - }; - }); -}; - -class ConcatenatedModule extends Module { - constructor(rootModule, modules, concatenationList) { - super("javascript/esm", null); - super.setChunks(rootModule._chunks); - - // Info from Factory - this.rootModule = rootModule; - this.factoryMeta = rootModule.factoryMeta; - - // Info from Compilation - this.index = rootModule.index; - this.index2 = rootModule.index2; - this.depth = rootModule.depth; - - // Info from Optimization - this.used = rootModule.used; - this.usedExports = rootModule.usedExports; - - // Info from Build - this.buildInfo = { - strict: true, - cacheable: modules.every(m => m.buildInfo.cacheable), - moduleArgument: rootModule.buildInfo.moduleArgument, - exportsArgument: rootModule.buildInfo.exportsArgument, - fileDependencies: new Set(), - contextDependencies: new Set(), - assets: undefined - }; - this.built = modules.some(m => m.built); - this.buildMeta = rootModule.buildMeta; - - // Caching - this._numberOfConcatenatedModules = modules.length; - - // Graph - const modulesSet = new Set(modules); - this.reasons = rootModule.reasons.filter( - reason => - !(reason.dependency instanceof HarmonyImportDependency) || - !modulesSet.has(reason.module) - ); - - this.dependencies = []; - this.blocks = []; - - this.warnings = []; - this.errors = []; - this._orderedConcatenationList = - concatenationList || - ConcatenatedModule.createConcatenationList(rootModule, modulesSet, null); - for (const info of this._orderedConcatenationList) { - if (info.type === "concatenated") { - const m = info.module; - - // populate dependencies - for (const d of m.dependencies.filter( - dep => - !(dep instanceof HarmonyImportDependency) || - !modulesSet.has(dep._module) - )) { - this.dependencies.push(d); - } - // populate blocks - for (const d of m.blocks) { - this.blocks.push(d); - } - // populate file dependencies - if (m.buildInfo.fileDependencies) { - for (const file of m.buildInfo.fileDependencies) { - this.buildInfo.fileDependencies.add(file); - } - } - // populate context dependencies - if (m.buildInfo.contextDependencies) { - for (const context of m.buildInfo.contextDependencies) { - this.buildInfo.contextDependencies.add(context); - } - } - // populate warnings - for (const warning of m.warnings) { - this.warnings.push(warning); - } - // populate errors - for (const error of m.errors) { - this.errors.push(error); - } - - 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); - } - } - } - } - this._identifier = this._createIdentifier(); - } - - get modules() { - return this._orderedConcatenationList - .filter(info => info.type === "concatenated") - .map(info => info.module); - } - - identifier() { - return this._identifier; - } - - readableIdentifier(requestShortener) { - return ( - this.rootModule.readableIdentifier(requestShortener) + - ` + ${this._numberOfConcatenatedModules - 1} modules` - ); - } - - libIdent(options) { - return this.rootModule.libIdent(options); - } - - nameForCondition() { - return this.rootModule.nameForCondition(); - } - - build(options, compilation, resolver, fs, callback) { - throw new Error("Cannot build this module. It should be already built."); - } - - size() { - // Guess size from embedded modules - return this._orderedConcatenationList.reduce((sum, info) => { - switch (info.type) { - case "concatenated": - return sum + info.module.size(); - case "external": - return sum + 5; - } - return sum; - }, 0); - } - - /** - * @param {Module} rootModule the root of the concatenation - * @param {Set<Module>} modulesSet a set of modules which should be concatenated - * @param {Compilation} compilation the compilation context - * @returns {ConcatenationEntry[]} concatenation list - */ - static createConcatenationList(rootModule, modulesSet, compilation) { - const list = []; - const set = new Set(); - - /** - * @param {Module} module a module - * @returns {(function(): Module)[]} imported modules in order - */ - const getConcatenatedImports = module => { - /** @type {WeakMap<DependencyReference, Dependency>} */ - const map = new WeakMap(); - const references = module.dependencies - .filter(dep => dep instanceof HarmonyImportDependency) - .map(dep => { - const ref = compilation.getDependencyReference(module, dep); - if (ref) map.set(ref, dep); - return ref; - }) - .filter(ref => ref); - DependencyReference.sort(references); - // TODO webpack 5: remove this hack, see also DependencyReference - return references.map(ref => { - const dep = map.get(ref); - return () => compilation.getDependencyReference(module, dep).module; - }); - }; - - const enterModule = getModule => { - const module = getModule(); - if (!module) return; - if (set.has(module)) return; - set.add(module); - if (modulesSet.has(module)) { - const imports = getConcatenatedImports(module); - imports.forEach(enterModule); - list.push({ - type: "concatenated", - module - }); - } else { - 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 getModule(); - } - }); - } - }; - - enterModule(() => rootModule); - - return list; - } - - _createIdentifier() { - let orderedConcatenationListIdentifiers = ""; - for (let i = 0; i < this._orderedConcatenationList.length; i++) { - if (this._orderedConcatenationList[i].type === "concatenated") { - orderedConcatenationListIdentifiers += this._orderedConcatenationList[ - i - ].module.identifier(); - orderedConcatenationListIdentifiers += " "; - } - } - const hash = createHash("md4"); - hash.update(orderedConcatenationListIdentifiers); - return this.rootModule.identifier() + " " + hash.digest("hex"); - } - - source(dependencyTemplates, runtimeTemplate) { - const requestShortener = runtimeTemplate.requestShortener; - // Metainfo for each module - const modulesWithInfo = this._orderedConcatenationList.map((info, idx) => { - switch (info.type) { - case "concatenated": { - const exportMap = new Map(); - 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", "__WEBPACK_MODULE_DEFAULT_EXPORT__"); - } - } else if ( - dep instanceof HarmonyExportImportedSpecifierDependency - ) { - const exportName = dep.name; - const importName = dep._id; - const importedModule = dep._module; - if (exportName && importName) { - if (!reexportMap.has(exportName)) { - reexportMap.set(exportName, { - module: importedModule, - exportName: importName, - dependency: dep - }); - } - } else if (exportName) { - if (!reexportMap.has(exportName)) { - reexportMap.set(exportName, { - module: importedModule, - exportName: true, - dependency: dep - }); - } - } else if (importedModule) { - for (const name of importedModule.buildMeta.providedExports) { - if (dep.activeExports.has(name) || name === "default") { - continue; - } - if (!reexportMap.has(name)) { - reexportMap.set(name, { - module: importedModule, - exportName: name, - dependency: dep - }); - } - } - } - } - } - return { - type: "concatenated", - module: info.module, - index: idx, - ast: undefined, - internalSource: undefined, - source: undefined, - globalScope: undefined, - moduleScope: undefined, - internalNames: new Map(), - globalExports: new Set(), - exportMap: exportMap, - reexportMap: reexportMap, - hasNamespaceObject: false, - namespaceObjectSource: null - }; - } - case "external": - return { - type: "external", - module: info.module, - index: idx, - name: undefined, - interopNamespaceObjectUsed: false, - interopNamespaceObjectName: undefined, - interopDefaultAccessUsed: false, - interopDefaultAccessName: undefined - }; - default: - throw new Error(`Unsupported concatenation entry type ${info.type}`); - } - }); - - // Create mapping from module to info - const moduleToInfoMap = new Map(); - for (const m of modulesWithInfo) { - moduleToInfoMap.set(m.module, m); - } - - // Configure template decorators for dependencies - const innerDependencyTemplates = new Map(dependencyTemplates); - - 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 - ) - ); - 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.set( - "hash", - innerDependencyTemplates.get("hash") + this.identifier() - ); - - // Generate source code and analyse scopes - // Prepare a ReplaceSource for the final source - for (const info of modulesWithInfo) { - if (info.type === "concatenated") { - const m = info.module; - const source = m.source(innerDependencyTemplates, runtimeTemplate); - const code = source.source(); - let ast; - try { - ast = Parser.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.ast = ast; - info.internalSource = source; - info.source = resultSource; - info.globalScope = globalScope; - info.moduleScope = moduleScope; - } - } - - // List of all used names to avoid conflicts - const allUsedNames = new Set([ - "__WEBPACK_MODULE_DEFAULT_EXPORT__", // avoid using this internal name - - "abstract", - "arguments", - "async", - "await", - "boolean", - "break", - "byte", - "case", - "catch", - "char", - "class", - "const", - "continue", - "debugger", - "default", - "delete", - "do", - "double", - "else", - "enum", - "eval", - "export", - "extends", - "false", - "final", - "finally", - "float", - "for", - "function", - "goto", - "if", - "implements", - "import", - "in", - "instanceof", - "int", - "interface", - "let", - "long", - "native", - "new", - "null", - "package", - "private", - "protected", - "public", - "return", - "short", - "static", - "super", - "switch", - "synchronized", - "this", - "throw", - "throws", - "transient", - "true", - "try", - "typeof", - "var", - "void", - "volatile", - "while", - "with", - "yield", - - "module", - "__dirname", - "__filename", - "exports", - - "Array", - "Date", - "eval", - "function", - "hasOwnProperty", - "Infinity", - "isFinite", - "isNaN", - "isPrototypeOf", - "length", - "Math", - "NaN", - "name", - "Number", - "Object", - "prototype", - "String", - "toString", - "undefined", - "valueOf", - - "alert", - "all", - "anchor", - "anchors", - "area", - "assign", - "blur", - "button", - "checkbox", - "clearInterval", - "clearTimeout", - "clientInformation", - "close", - "closed", - "confirm", - "constructor", - "crypto", - "decodeURI", - "decodeURIComponent", - "defaultStatus", - "document", - "element", - "elements", - "embed", - "embeds", - "encodeURI", - "encodeURIComponent", - "escape", - "event", - "fileUpload", - "focus", - "form", - "forms", - "frame", - "innerHeight", - "innerWidth", - "layer", - "layers", - "link", - "location", - "mimeTypes", - "navigate", - "navigator", - "frames", - "frameRate", - "hidden", - "history", - "image", - "images", - "offscreenBuffering", - "open", - "opener", - "option", - "outerHeight", - "outerWidth", - "packages", - "pageXOffset", - "pageYOffset", - "parent", - "parseFloat", - "parseInt", - "password", - "pkcs11", - "plugin", - "prompt", - "propertyIsEnum", - "radio", - "reset", - "screenX", - "screenY", - "scroll", - "secure", - "select", - "self", - "setInterval", - "setTimeout", - "status", - "submit", - "taint", - "text", - "textarea", - "top", - "unescape", - "untaint", - "window", - - "onblur", - "onclick", - "onerror", - "onfocus", - "onkeydown", - "onkeypress", - "onkeyup", - "onmouseover", - "onload", - "onmouseup", - "onmousedown", - "onsubmit" - ]); - - // Set of already checked scopes - const alreadyCheckedScopes = new Set(); - - // get all global names - for (const info of modulesWithInfo) { - const superClassExpressions = []; - - // ignore symbols from moduleScope - if (info.moduleScope) { - alreadyCheckedScopes.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; - if (!childScope.block.superClass) continue; - superClassExpressions.push({ - range: childScope.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 ( - /^__WEBPACK_MODULE_REFERENCE__\d+_([\da-f]+|ns)(_call)?(_strict)?__$/.test( - name - ) - ) { - 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) { - allUsedNames.add(variable.name); - } - } - } - addScopeSymbols1( - reference.from, - allUsedNames, - alreadyCheckedScopes - ); - } else { - allUsedNames.add(name); - } - } - } - - // add exported globals - if (info.type === "concatenated") { - const variables = new Set(); - for (const variable of info.moduleScope.variables) { - variables.add(variable.name); - } - for (const [, variable] of info.exportMap) { - if (!variables.has(variable)) { - info.globalExports.add(variable); - } - } - } - } - - // generate names for symbols - for (const info of modulesWithInfo) { - switch (info.type) { - case "concatenated": { - const namespaceObjectName = this.findNewName( - "namespaceObject", - allUsedNames, - null, - info.module.readableIdentifier(requestShortener) - ); - allUsedNames.add(namespaceObjectName); - info.internalNames.set(namespaceObjectName, namespaceObjectName); - info.exportMap.set(true, namespaceObjectName); - for (const variable of info.moduleScope.variables) { - const name = variable.name; - if (allUsedNames.has(name)) { - const references = getAllReferences(variable); - const symbolsInReferences = new Set(); - const alreadyCheckedInnerScopes = new Set(); - for (const ref of references) { - addScopeSymbols2( - ref.from, - symbolsInReferences, - alreadyCheckedInnerScopes, - alreadyCheckedScopes - ); - } - const newName = this.findNewName( - name, - allUsedNames, - symbolsInReferences, - 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], `: ${newName}`); - } else { - source.replace(r[0], r[1] - 1, newName); - } - } - } else { - allUsedNames.add(name); - info.internalNames.set(name, name); - } - } - break; - } - case "external": { - const externalName = this.findNewName( - "", - allUsedNames, - null, - info.module.readableIdentifier(requestShortener) - ); - allUsedNames.add(externalName); - info.name = externalName; - if ( - info.module.buildMeta.exportsType === "named" || - !info.module.buildMeta.exportsType - ) { - const externalNameInterop = this.findNewName( - "namespaceObject", - allUsedNames, - null, - info.module.readableIdentifier(requestShortener) - ); - allUsedNames.add(externalNameInterop); - info.interopNamespaceObjectName = externalNameInterop; - } - if (!info.module.buildMeta.exportsType) { - const externalNameInterop = this.findNewName( - "default", - allUsedNames, - null, - info.module.readableIdentifier(requestShortener) - ); - allUsedNames.add(externalNameInterop); - info.interopDefaultAccessName = externalNameInterop; - } - break; - } - } - } - - // Find and replace referenced to modules - for (const info of modulesWithInfo) { - if (info.type === "concatenated") { - for (const reference of info.globalScope.through) { - const name = reference.identifier.name; - const match = /^__WEBPACK_MODULE_REFERENCE__(\d+)_([\da-f]+|ns)(_call)?(_strict)?__$/.exec( - name - ); - if (match) { - const referencedModule = modulesWithInfo[+match[1]]; - let exportName; - if (match[2] === "ns") { - exportName = true; - } else { - const exportData = match[2]; - exportName = Buffer.from(exportData, "hex").toString("utf-8"); - } - const asCall = !!match[3]; - const strictHarmonyModule = !!match[4]; - const finalName = getFinalName( - referencedModule, - exportName, - moduleToInfoMap, - requestShortener, - asCall, - strictHarmonyModule - ); - 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(); - - for (const dep of this.rootModule.dependencies) { - if (dep instanceof HarmonyExportSpecifierDependency) { - const used = this.rootModule.isUsed(dep.name); - if (used) { - const info = moduleToInfoMap.get(this.rootModule); - if (!exportsMap.has(used)) { - exportsMap.set( - used, - () => `/* binding */ ${info.internalNames.get(dep.id)}` - ); - } - } else { - unusedExports.add(dep.name || "namespace"); - } - } else if (dep instanceof HarmonyExportImportedSpecifierDependency) { - const exportDefs = getHarmonyExportImportedSpecifierDependencyExports( - dep - ); - for (const def of exportDefs) { - const info = moduleToInfoMap.get(def.module); - const used = dep.originModule.isUsed(def.name); - if (used) { - if (!exportsMap.has(used)) { - exportsMap.set(used, requestShortener => { - const finalName = getFinalName( - info, - def.id, - moduleToInfoMap, - requestShortener, - false, - this.rootModule.buildMeta.strictHarmonyModule - ); - return `/* reexport */ ${finalName}`; - }); - } - } else { - unusedExports.add(def.name); - } - } - } - } - - const result = new ConcatSource(); - - // add harmony compatibility flag (must be first because of possible circular dependencies) - const usedExports = this.rootModule.usedExports; - if (usedExports === true || usedExports === null) { - result.add(`// ESM COMPAT FLAG\n`); - result.add( - runtimeTemplate.defineEsModuleFlagStatement({ - exportsArgument: this.exportsArgument - }) - ); - } - - // define exports - if (exportsMap.size > 0) { - result.add(`\n// EXPORTS\n`); - for (const [key, value] of exportsMap) { - result.add( - `__webpack_require__.d(${this.exportsArgument}, ${JSON.stringify( - key - )}, function() { return ${value(requestShortener)}; });\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.namespaceObjectSource) { - result.add( - `\n// NAMESPACE OBJECT: ${info.module.readableIdentifier( - requestShortener - )}\n` - ); - result.add(info.namespaceObjectSource); - } - } - - // 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); - break; - case "external": - result.add( - `\n// EXTERNAL MODULE: ${info.module.readableIdentifier( - requestShortener - )}\n` - ); - result.add( - `var ${info.name} = __webpack_require__(${JSON.stringify( - info.module.id - )});\n` - ); - if (info.interopNamespaceObjectUsed) { - if (info.module.buildMeta.exportsType === "named") { - result.add( - `var ${info.interopNamespaceObjectName} = /*#__PURE__*/__webpack_require__.t(${info.name}, 2);\n` - ); - } else if (!info.module.buildMeta.exportsType) { - result.add( - `var ${info.interopNamespaceObjectName} = /*#__PURE__*/__webpack_require__.t(${info.name});\n` - ); - } - } - if (info.interopDefaultAccessUsed) { - result.add( - `var ${info.interopDefaultAccessName} = /*#__PURE__*/__webpack_require__.n(${info.name});\n` - ); - } - break; - default: - throw new Error(`Unsupported concatenation entry type ${info.type}`); - } - } - - return result; - } - - findNewName(oldName, usedNamed1, usedNamed2, extraInfo) { - let name = oldName; - - if (name === "__WEBPACK_MODULE_DEFAULT_EXPORT__") name = ""; - - // Remove uncool stuff - extraInfo = extraInfo.replace( - /\.+\/|(\/index)?\.([a-zA-Z0-9]{1,4})($|\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 - * @returns {void} - */ - updateHash(hash) { - for (const info of this._orderedConcatenationList) { - switch (info.type) { - case "concatenated": - info.module.updateHash(hash); - break; - case "external": - hash.update(`${info.module.id}`); - break; - } - } - super.updateHash(hash); - } -} - -class HarmonyImportSpecifierDependencyConcatenatedTemplate { - constructor(originalTemplate, modulesMap) { - this.originalTemplate = originalTemplate; - this.modulesMap = modulesMap; - } - - getHarmonyInitOrder(dep) { - const module = dep._module; - const info = this.modulesMap.get(module); - if (!info) { - return this.originalTemplate.getHarmonyInitOrder(dep); - } - return NaN; - } - - harmonyInit(dep, source, runtimeTemplate, dependencyTemplates) { - const module = dep._module; - const info = this.modulesMap.get(module); - if (!info) { - this.originalTemplate.harmonyInit( - dep, - source, - runtimeTemplate, - dependencyTemplates - ); - return; - } - } - - apply(dep, source, runtime, dependencyTemplates) { - const module = dep._module; - const info = this.modulesMap.get(module); - if (!info) { - this.originalTemplate.apply(dep, source, runtime, dependencyTemplates); - return; - } - let content; - const callFlag = dep.call ? "_call" : ""; - const strictFlag = dep.originModule.buildMeta.strictHarmonyModule - ? "_strict" - : ""; - if (dep._id === null) { - content = `__WEBPACK_MODULE_REFERENCE__${info.index}_ns${strictFlag}__`; - } else if (dep.namespaceObjectAsContext) { - content = `__WEBPACK_MODULE_REFERENCE__${ - info.index - }_ns${strictFlag}__[${JSON.stringify(dep._id)}]`; - } else { - const exportData = Buffer.from(dep._id, "utf-8").toString("hex"); - content = `__WEBPACK_MODULE_REFERENCE__${info.index}_${exportData}${callFlag}${strictFlag}__`; - } - if (dep.shorthand) { - content = dep.name + ": " + content; - } - source.replace(dep.range[0], dep.range[1] - 1, content); - } -} - -class HarmonyImportSideEffectDependencyConcatenatedTemplate { - constructor(originalTemplate, modulesMap) { - this.originalTemplate = originalTemplate; - this.modulesMap = modulesMap; - } - - getHarmonyInitOrder(dep) { - const module = dep._module; - const info = this.modulesMap.get(module); - if (!info) { - return this.originalTemplate.getHarmonyInitOrder(dep); - } - return NaN; - } - - harmonyInit(dep, source, runtime, dependencyTemplates) { - const module = dep._module; - const info = this.modulesMap.get(module); - if (!info) { - this.originalTemplate.harmonyInit( - dep, - source, - runtime, - dependencyTemplates - ); - return; - } - } - - apply(dep, source, runtime, dependencyTemplates) { - const module = dep._module; - const info = this.modulesMap.get(module); - if (!info) { - this.originalTemplate.apply(dep, source, runtime, dependencyTemplates); - return; - } - } -} - -class HarmonyExportExpressionDependencyConcatenatedTemplate { - constructor(originalTemplate, rootModule) { - this.originalTemplate = originalTemplate; - this.rootModule = rootModule; - } - - apply(dep, source, runtime, dependencyTemplates) { - let content = - "/* harmony default export */ var __WEBPACK_MODULE_DEFAULT_EXPORT__ = "; - if (dep.originModule === this.rootModule) { - const used = dep.originModule.isUsed("default"); - const exportsName = dep.originModule.exportsArgument; - if (used) content += `${exportsName}[${JSON.stringify(used)}] = `; - } - - if (dep.range) { - source.replace( - dep.rangeStatement[0], - dep.range[0] - 1, - content + "(" + dep.prefix - ); - source.replace(dep.range[1], dep.rangeStatement[1] - 1, ");"); - return; - } - - source.replace( - dep.rangeStatement[0], - dep.rangeStatement[1] - 1, - content + dep.prefix - ); - } -} - -class NullTemplate { - apply() {} -} - -module.exports = ConcatenatedModule; |