diff options
| author | littleblack111 <littleblack11111@gmail.com> | 2023-11-01 20:49:36 +0800 |
|---|---|---|
| committer | littleblack111 <littleblack11111@gmail.com> | 2023-11-01 20:49:36 +0800 |
| commit | e99f950f5018cfe737c0d1150e50d97c6e6a4823 (patch) | |
| tree | 16f329a1b22128ed67f3fcae15a9b0a030f2ccbf /node_modules/webpack/lib/dependencies/CommonJsExportRequireDependency.js | |
| parent | c5d8a744dd584749e0b920119b42e731e37e5f62 (diff) | |
update
Diffstat (limited to 'node_modules/webpack/lib/dependencies/CommonJsExportRequireDependency.js')
| -rw-r--r-- | node_modules/webpack/lib/dependencies/CommonJsExportRequireDependency.js | 393 |
1 files changed, 0 insertions, 393 deletions
diff --git a/node_modules/webpack/lib/dependencies/CommonJsExportRequireDependency.js b/node_modules/webpack/lib/dependencies/CommonJsExportRequireDependency.js deleted file mode 100644 index 33c36d81..00000000 --- a/node_modules/webpack/lib/dependencies/CommonJsExportRequireDependency.js +++ /dev/null @@ -1,393 +0,0 @@ -/* - MIT License http://www.opensource.org/licenses/mit-license.php - Author Tobias Koppers @sokra -*/ - -"use strict"; - -const Dependency = require("../Dependency"); -const { UsageState } = require("../ExportsInfo"); -const Template = require("../Template"); -const { equals } = require("../util/ArrayHelpers"); -const makeSerializable = require("../util/makeSerializable"); -const propertyAccess = require("../util/propertyAccess"); -const { handleDependencyBase } = require("./CommonJsDependencyHelpers"); -const ModuleDependency = require("./ModuleDependency"); -const processExportInfo = require("./processExportInfo"); - -/** @typedef {import("webpack-sources").ReplaceSource} ReplaceSource */ -/** @typedef {import("../Dependency").ExportsSpec} ExportsSpec */ -/** @typedef {import("../Dependency").ReferencedExport} ReferencedExport */ -/** @typedef {import("../Dependency").TRANSITIVE} TRANSITIVE */ -/** @typedef {import("../DependencyTemplate").DependencyTemplateContext} DependencyTemplateContext */ -/** @typedef {import("../Module")} Module */ -/** @typedef {import("../ModuleGraph")} ModuleGraph */ -/** @typedef {import("../javascript/JavascriptParser").Range} Range */ -/** @typedef {import("../serialization/ObjectMiddleware").ObjectDeserializerContext} ObjectDeserializerContext */ -/** @typedef {import("../serialization/ObjectMiddleware").ObjectSerializerContext} ObjectSerializerContext */ -/** @typedef {import("../util/runtime").RuntimeSpec} RuntimeSpec */ -/** @typedef {import("./CommonJsDependencyHelpers").CommonJSDependencyBaseKeywords} CommonJSDependencyBaseKeywords */ - -const idsSymbol = Symbol("CommonJsExportRequireDependency.ids"); - -const EMPTY_OBJECT = {}; - -class CommonJsExportRequireDependency extends ModuleDependency { - /** - * @param {Range} range range - * @param {Range} valueRange value range - * @param {CommonJSDependencyBaseKeywords} base base - * @param {string[]} names names - * @param {string} request request - * @param {string[]} ids ids - * @param {boolean} resultUsed true, when the result is used - */ - constructor(range, valueRange, base, names, request, ids, resultUsed) { - super(request); - this.range = range; - this.valueRange = valueRange; - this.base = base; - this.names = names; - this.ids = ids; - this.resultUsed = resultUsed; - this.asiSafe = undefined; - } - - get type() { - return "cjs export require"; - } - - /** - * @returns {boolean | TRANSITIVE} true, when changes to the referenced module could affect the referencing module; TRANSITIVE, when changes to the referenced module could affect referencing modules of the referencing module - */ - couldAffectReferencingModule() { - return Dependency.TRANSITIVE; - } - - /** - * @param {ModuleGraph} moduleGraph the module graph - * @returns {string[]} the imported id - */ - getIds(moduleGraph) { - return moduleGraph.getMeta(this)[idsSymbol] || this.ids; - } - - /** - * @param {ModuleGraph} moduleGraph the module graph - * @param {string[]} ids the imported ids - * @returns {void} - */ - setIds(moduleGraph, ids) { - moduleGraph.getMeta(this)[idsSymbol] = ids; - } - - /** - * Returns list of exports referenced by this dependency - * @param {ModuleGraph} moduleGraph module graph - * @param {RuntimeSpec} runtime the runtime for which the module is analysed - * @returns {(string[] | ReferencedExport)[]} referenced exports - */ - getReferencedExports(moduleGraph, runtime) { - const ids = this.getIds(moduleGraph); - const getFullResult = () => { - if (ids.length === 0) { - return Dependency.EXPORTS_OBJECT_REFERENCED; - } else { - return [ - { - name: ids, - canMangle: false - } - ]; - } - }; - if (this.resultUsed) return getFullResult(); - let exportsInfo = moduleGraph.getExportsInfo( - moduleGraph.getParentModule(this) - ); - for (const name of this.names) { - const exportInfo = exportsInfo.getReadOnlyExportInfo(name); - const used = exportInfo.getUsed(runtime); - if (used === UsageState.Unused) return Dependency.NO_EXPORTS_REFERENCED; - if (used !== UsageState.OnlyPropertiesUsed) return getFullResult(); - exportsInfo = exportInfo.exportsInfo; - if (!exportsInfo) return getFullResult(); - } - if (exportsInfo.otherExportsInfo.getUsed(runtime) !== UsageState.Unused) { - return getFullResult(); - } - /** @type {string[][]} */ - const referencedExports = []; - for (const exportInfo of exportsInfo.orderedExports) { - processExportInfo( - runtime, - referencedExports, - ids.concat(exportInfo.name), - exportInfo, - false - ); - } - return referencedExports.map(name => ({ - name, - canMangle: false - })); - } - - /** - * Returns the exported names - * @param {ModuleGraph} moduleGraph module graph - * @returns {ExportsSpec | undefined} export names - */ - getExports(moduleGraph) { - const ids = this.getIds(moduleGraph); - if (this.names.length === 1) { - const name = this.names[0]; - const from = moduleGraph.getConnection(this); - if (!from) return; - return { - exports: [ - { - name, - from, - export: ids.length === 0 ? null : ids, - // we can't mangle names that are in an empty object - // because one could access the prototype property - // when export isn't set yet - canMangle: !(name in EMPTY_OBJECT) && false - } - ], - dependencies: [from.module] - }; - } else if (this.names.length > 0) { - const name = this.names[0]; - return { - exports: [ - { - name, - // we can't mangle names that are in an empty object - // because one could access the prototype property - // when export isn't set yet - canMangle: !(name in EMPTY_OBJECT) && false - } - ], - dependencies: undefined - }; - } else { - const from = moduleGraph.getConnection(this); - if (!from) return; - const reexportInfo = this.getStarReexports( - moduleGraph, - undefined, - from.module - ); - if (reexportInfo) { - return { - exports: Array.from(reexportInfo.exports, name => { - return { - name, - from, - export: ids.concat(name), - canMangle: !(name in EMPTY_OBJECT) && false - }; - }), - // TODO handle deep reexports - dependencies: [from.module] - }; - } else { - return { - exports: true, - from: ids.length === 0 ? from : undefined, - canMangle: false, - dependencies: [from.module] - }; - } - } - } - - /** - * @param {ModuleGraph} moduleGraph the module graph - * @param {RuntimeSpec} runtime the runtime - * @param {Module} importedModule the imported module (optional) - * @returns {{exports?: Set<string>, checked?: Set<string>}} information - */ - getStarReexports( - moduleGraph, - runtime, - importedModule = moduleGraph.getModule(this) - ) { - let importedExportsInfo = moduleGraph.getExportsInfo(importedModule); - const ids = this.getIds(moduleGraph); - if (ids.length > 0) - importedExportsInfo = importedExportsInfo.getNestedExportsInfo(ids); - let exportsInfo = moduleGraph.getExportsInfo( - moduleGraph.getParentModule(this) - ); - if (this.names.length > 0) - exportsInfo = exportsInfo.getNestedExportsInfo(this.names); - - const noExtraExports = - importedExportsInfo && - importedExportsInfo.otherExportsInfo.provided === false; - const noExtraImports = - exportsInfo && - exportsInfo.otherExportsInfo.getUsed(runtime) === UsageState.Unused; - - if (!noExtraExports && !noExtraImports) { - return; - } - - const isNamespaceImport = - importedModule.getExportsType(moduleGraph, false) === "namespace"; - - /** @type {Set<string>} */ - const exports = new Set(); - /** @type {Set<string>} */ - const checked = new Set(); - - if (noExtraImports) { - for (const exportInfo of exportsInfo.orderedExports) { - const name = exportInfo.name; - if (exportInfo.getUsed(runtime) === UsageState.Unused) continue; - if (name === "__esModule" && isNamespaceImport) { - exports.add(name); - } else if (importedExportsInfo) { - const importedExportInfo = - importedExportsInfo.getReadOnlyExportInfo(name); - if (importedExportInfo.provided === false) continue; - exports.add(name); - if (importedExportInfo.provided === true) continue; - checked.add(name); - } else { - exports.add(name); - checked.add(name); - } - } - } else if (noExtraExports) { - for (const importedExportInfo of importedExportsInfo.orderedExports) { - const name = importedExportInfo.name; - if (importedExportInfo.provided === false) continue; - if (exportsInfo) { - const exportInfo = exportsInfo.getReadOnlyExportInfo(name); - if (exportInfo.getUsed(runtime) === UsageState.Unused) continue; - } - exports.add(name); - if (importedExportInfo.provided === true) continue; - checked.add(name); - } - if (isNamespaceImport) { - exports.add("__esModule"); - checked.delete("__esModule"); - } - } - - return { exports, checked }; - } - - /** - * @param {ObjectSerializerContext} context context - */ - serialize(context) { - const { write } = context; - write(this.asiSafe); - write(this.range); - write(this.valueRange); - write(this.base); - write(this.names); - write(this.ids); - write(this.resultUsed); - super.serialize(context); - } - - /** - * @param {ObjectDeserializerContext} context context - */ - deserialize(context) { - const { read } = context; - this.asiSafe = read(); - this.range = read(); - this.valueRange = read(); - this.base = read(); - this.names = read(); - this.ids = read(); - this.resultUsed = read(); - super.deserialize(context); - } -} - -makeSerializable( - CommonJsExportRequireDependency, - "webpack/lib/dependencies/CommonJsExportRequireDependency" -); - -CommonJsExportRequireDependency.Template = class CommonJsExportRequireDependencyTemplate extends ( - ModuleDependency.Template -) { - /** - * @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, - runtimeTemplate, - chunkGraph, - moduleGraph, - runtimeRequirements, - runtime - } - ) { - const dep = /** @type {CommonJsExportRequireDependency} */ (dependency); - const used = moduleGraph - .getExportsInfo(module) - .getUsedName(dep.names, runtime); - - const [type, base] = handleDependencyBase( - dep.base, - module, - runtimeRequirements - ); - - const importedModule = moduleGraph.getModule(dep); - let requireExpr = runtimeTemplate.moduleExports({ - module: importedModule, - chunkGraph, - request: dep.request, - weak: dep.weak, - runtimeRequirements - }); - if (importedModule) { - const ids = dep.getIds(moduleGraph); - const usedImported = moduleGraph - .getExportsInfo(importedModule) - .getUsedName(ids, runtime); - if (usedImported) { - const comment = equals(usedImported, ids) - ? "" - : Template.toNormalComment(propertyAccess(ids)) + " "; - requireExpr += `${comment}${propertyAccess(usedImported)}`; - } - } - - switch (type) { - case "expression": - source.replace( - dep.range[0], - dep.range[1] - 1, - used - ? `${base}${propertyAccess(used)} = ${requireExpr}` - : `/* unused reexport */ ${requireExpr}` - ); - return; - case "Object.defineProperty": - throw new Error("TODO"); - default: - throw new Error("Unexpected type"); - } - } -}; - -module.exports = CommonJsExportRequireDependency; |
