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113 lines
3.5 KiB
113 lines
3.5 KiB
/* |
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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 { ConcatSource } = require("webpack-sources"); |
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const { UsageState } = require("../ExportsInfo"); |
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const propertyAccess = require("../util/propertyAccess"); |
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const { getEntryRuntime } = require("../util/runtime"); |
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const AbstractLibraryPlugin = require("./AbstractLibraryPlugin"); |
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/** @typedef {import("webpack-sources").Source} Source */ |
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/** @typedef {import("../../declarations/WebpackOptions").LibraryOptions} LibraryOptions */ |
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/** @typedef {import("../../declarations/WebpackOptions").LibraryType} LibraryType */ |
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/** @typedef {import("../Chunk")} Chunk */ |
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/** @typedef {import("../Compiler")} Compiler */ |
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/** @typedef {import("../Module")} Module */ |
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/** @typedef {import("../javascript/JavascriptModulesPlugin").StartupRenderContext} StartupRenderContext */ |
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/** @template T @typedef {import("./AbstractLibraryPlugin").LibraryContext<T>} LibraryContext<T> */ |
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/** |
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* @typedef {Object} ExportPropertyLibraryPluginParsed |
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* @property {string | string[]} export |
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*/ |
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/** |
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* @typedef {Object} ExportPropertyLibraryPluginOptions |
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* @property {LibraryType} type |
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* @property {boolean} nsObjectUsed the namespace object is used |
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*/ |
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/** |
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* @typedef {ExportPropertyLibraryPluginParsed} T |
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* @extends {AbstractLibraryPlugin<ExportPropertyLibraryPluginParsed>} |
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*/ |
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class ExportPropertyLibraryPlugin extends AbstractLibraryPlugin { |
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/** |
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* @param {ExportPropertyLibraryPluginOptions} options options |
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*/ |
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constructor({ type, nsObjectUsed }) { |
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super({ |
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pluginName: "ExportPropertyLibraryPlugin", |
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type |
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}); |
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this.nsObjectUsed = nsObjectUsed; |
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} |
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/** |
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* @param {LibraryOptions} library normalized library option |
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* @returns {T | false} preprocess as needed by overriding |
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*/ |
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parseOptions(library) { |
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return { |
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export: library.export |
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}; |
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} |
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/** |
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* @param {Module} module the exporting entry module |
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* @param {string} entryName the name of the entrypoint |
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* @param {LibraryContext<T>} libraryContext context |
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* @returns {void} |
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*/ |
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finishEntryModule( |
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module, |
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entryName, |
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{ options, compilation, compilation: { moduleGraph } } |
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) { |
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const runtime = getEntryRuntime(compilation, entryName); |
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if (options.export) { |
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const exportsInfo = moduleGraph.getExportInfo( |
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module, |
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Array.isArray(options.export) ? options.export[0] : options.export |
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); |
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exportsInfo.setUsed(UsageState.Used, runtime); |
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exportsInfo.canMangleUse = false; |
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} else { |
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const exportsInfo = moduleGraph.getExportsInfo(module); |
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if (this.nsObjectUsed) { |
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exportsInfo.setUsedInUnknownWay(runtime); |
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} else { |
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exportsInfo.setAllKnownExportsUsed(runtime); |
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} |
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} |
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moduleGraph.addExtraReason(module, "used as library export"); |
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} |
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/** |
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* @param {Chunk} chunk the chunk |
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* @param {Set<string>} set runtime requirements |
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* @param {LibraryContext<T>} libraryContext context |
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* @returns {void} |
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*/ |
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runtimeRequirements(chunk, set, libraryContext) {} |
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/** |
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* @param {Source} source source |
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* @param {Module} module module |
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* @param {StartupRenderContext} renderContext render context |
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* @param {LibraryContext<T>} libraryContext context |
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* @returns {Source} source with library export |
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*/ |
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renderStartup(source, module, renderContext, { options }) { |
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if (!options.export) return source; |
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const postfix = `__webpack_exports__ = __webpack_exports__${propertyAccess( |
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Array.isArray(options.export) ? options.export : [options.export] |
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)};\n`; |
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return new ConcatSource(source, postfix); |
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} |
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} |
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module.exports = ExportPropertyLibraryPlugin;
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