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rOACCT/node_modules/webpack/lib/library/ExportPropertyLibraryPlugin.js
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ExportPropertyLibraryPlugin.js
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/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
const { ConcatSource } = require("webpack-sources");
const { UsageState } = require("../ExportsInfo");
const propertyAccess = require("../util/propertyAccess");
const { getEntryRuntime } = require("../util/runtime");
const AbstractLibraryPlugin = require("./AbstractLibraryPlugin");
/** @typedef {import("webpack-sources").Source} Source */
/** @typedef {import("../../declarations/WebpackOptions").LibraryOptions} LibraryOptions */
/** @typedef {import("../../declarations/WebpackOptions").LibraryType} LibraryType */
/** @typedef {import("../Compiler")} Compiler */
/** @typedef {import("../Module")} Module */
/** @typedef {import("../javascript/JavascriptModulesPlugin").RenderContext} RenderContext */
/** @template T @typedef {import("./AbstractLibraryPlugin").LibraryContext<T>} LibraryContext<T> */
/**
* @typedef {Object} ExportPropertyLibraryPluginParsed
* @property {string | string[]} export
*/
/**
* @typedef {Object} ExportPropertyLibraryPluginOptions
* @property {LibraryType} type
* @property {boolean} nsObjectUsed the namespace object is used
*/
/**
* @typedef {ExportPropertyLibraryPluginParsed} T
* @extends {AbstractLibraryPlugin<ExportPropertyLibraryPluginParsed>}
*/
class ExportPropertyLibraryPlugin extends AbstractLibraryPlugin {
/**
* @param {ExportPropertyLibraryPluginOptions} options options
*/
constructor({ type, nsObjectUsed }) {
super({
pluginName: "ExportPropertyLibraryPlugin",
type
});
this.nsObjectUsed = nsObjectUsed;
}
/**
* @param {LibraryOptions} library normalized library option
* @returns {T | false} preprocess as needed by overriding
*/
parseOptions(library) {
return {
export: library.export
};
}
/**
* @param {Module} module the exporting entry module
* @param {string} entryName the name of the entrypoint
* @param {LibraryContext<T>} libraryContext context
* @returns {void}
*/
finishEntryModule(
module,
entryName,
{ options, compilation, compilation: { moduleGraph } }
) {
const runtime = getEntryRuntime(compilation, entryName);
if (options.export) {
const exportsInfo = moduleGraph.getExportInfo(
module,
Array.isArray(options.export) ? options.export[0] : options.export
);
exportsInfo.setUsed(UsageState.Used, runtime);
exportsInfo.canMangleUse = false;
} else {
const exportsInfo = moduleGraph.getExportsInfo(module);
if (this.nsObjectUsed) {
exportsInfo.setUsedInUnknownWay(runtime);
} else {
exportsInfo.setAllKnownExportsUsed(runtime);
}
}
moduleGraph.addExtraReason(module, "used as library export");
}
/**
* @param {Source} source source
* @param {RenderContext} renderContext render context
* @param {LibraryContext<T>} libraryContext context
* @returns {Source} source with library export
*/
render(source, renderContext, { options }) {
if (!options.export) return source;
const postfix = propertyAccess(
Array.isArray(options.export) ? options.export : [options.export]
);
return new ConcatSource(source, postfix);
}
}
module.exports = ExportPropertyLibraryPlugin;
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