/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/

"use strict";

const { ConcatSource } = require("webpack-sources");
const Template = require("../Template");
const propertyAccess = require("../util/propertyAccess");
const AbstractLibraryPlugin = require("./AbstractLibraryPlugin");

/** @typedef {import("webpack-sources").Source} Source */
/** @typedef {import("../../declarations/WebpackOptions").LibraryOptions} LibraryOptions */
/** @typedef {import("../../declarations/WebpackOptions").LibraryType} LibraryType */
/** @typedef {import("../Chunk")} Chunk */
/** @typedef {import("../Compilation").ChunkHashContext} ChunkHashContext */
/** @typedef {import("../Compiler")} Compiler */
/** @typedef {import("../Module")} Module */
/** @typedef {import("../javascript/JavascriptModulesPlugin").StartupRenderContext} StartupRenderContext */
/** @typedef {import("../util/Hash")} Hash */
/** @template T @typedef {import("./AbstractLibraryPlugin").LibraryContext<T>} LibraryContext<T> */

/**
 * @typedef {Object} ModuleLibraryPluginOptions
 * @property {LibraryType} type
 */

/**
 * @typedef {Object} ModuleLibraryPluginParsed
 * @property {string} name
 */

/**
 * @typedef {ModuleLibraryPluginParsed} T
 * @extends {AbstractLibraryPlugin<ModuleLibraryPluginParsed>}
 */
class ModuleLibraryPlugin extends AbstractLibraryPlugin {
	/**
	 * @param {ModuleLibraryPluginOptions} options the plugin options
	 */
	constructor(options) {
		super({
			pluginName: "ModuleLibraryPlugin",
			type: options.type
		});
	}

	/**
	 * @param {LibraryOptions} library normalized library option
	 * @returns {T | false} preprocess as needed by overriding
	 */
	parseOptions(library) {
		const { name } = library;
		if (name) {
			throw new Error(
				`Library name must unset. ${AbstractLibraryPlugin.COMMON_LIBRARY_NAME_MESSAGE}`
			);
		}
		return {
			name: /** @type {string} */ (name)
		};
	}

	/**
	 * @param {Source} source source
	 * @param {Module} module module
	 * @param {StartupRenderContext} renderContext render context
	 * @param {LibraryContext<T>} libraryContext context
	 * @returns {Source} source with library export
	 */
	renderStartup(
		source,
		module,
		{ moduleGraph, chunk },
		{ options, compilation }
	) {
		const result = new ConcatSource(source);
		const exportsInfo = moduleGraph.getExportsInfo(module);
		const exports = [];
		for (const exportInfo of exportsInfo.orderedExports) {
			if (!exportInfo.provided) continue;
			const varName = `__webpack_exports__${Template.toIdentifier(
				exportInfo.name
			)}`;
			result.add(
				`var ${varName} = __webpack_exports__${propertyAccess([
					exportInfo.getUsedName(exportInfo.name, chunk.runtime)
				])};\n`
			);
			exports.push(`${varName} as ${exportInfo.name}`);
		}
		if (exports.length > 0) {
			result.add(`export { ${exports.join(", ")} };\n`);
		}
		return result;
	}
}

module.exports = ModuleLibraryPlugin;

/*
	MIT License http://www.opensource.org/licenses/mit-license.php
	Author Tobias Koppers @sokra
*/

"use strict";

const { ConcatSource } = require("webpack-sources");
const Template = require("../Template");
const propertyAccess = require("../util/propertyAccess");
const AbstractLibraryPlugin = require("./AbstractLibraryPlugin");

/** @typedef {import("webpack-sources").Source} Source */
/** @typedef {import("../../declarations/WebpackOptions").LibraryOptions} LibraryOptions */
/** @typedef {import("../../declarations/WebpackOptions").LibraryType} LibraryType */
/** @typedef {import("../Chunk")} Chunk */
/** @typedef {import("../Compilation").ChunkHashContext} ChunkHashContext */
/** @typedef {import("../Compiler")} Compiler */
/** @typedef {import("../Module")} Module */
/** @typedef {import("../javascript/JavascriptModulesPlugin").StartupRenderContext} StartupRenderContext */
/** @typedef {import("../util/Hash")} Hash */
/** @template T @typedef {import("./AbstractLibraryPlugin").LibraryContext<T>} LibraryContext<T> */

/**
 * @typedef {Object} ModuleLibraryPluginOptions
 * @property {LibraryType} type
 */

/**
 * @typedef {Object} ModuleLibraryPluginParsed
 * @property {string} name
 */

/**
 * @typedef {ModuleLibraryPluginParsed} T
 * @extends {AbstractLibraryPlugin<ModuleLibraryPluginParsed>}
 */
class ModuleLibraryPlugin extends AbstractLibraryPlugin {
	/**
	 * @param {ModuleLibraryPluginOptions} options the plugin options
	 */
	constructor(options) {
		super({
			pluginName: "ModuleLibraryPlugin",
			type: options.type
		});
	}

	/**
	 * @param {LibraryOptions} library normalized library option
	 * @returns {T | false} preprocess as needed by overriding
	 */
	parseOptions(library) {
		const { name } = library;
		if (name) {
			throw new Error(
				`Library name must be unset. ${AbstractLibraryPlugin.COMMON_LIBRARY_NAME_MESSAGE}`
			);
		}
		return {
			name: /** @type {string} */ (name)
		};
	}

	/**
	 * @param {Source} source source
	 * @param {Module} module module
	 * @param {StartupRenderContext} renderContext render context
	 * @param {LibraryContext<T>} libraryContext context
	 * @returns {Source} source with library export
	 */
	renderStartup(
		source,
		module,
		{ moduleGraph, chunk },
		{ options, compilation }
	) {
		const result = new ConcatSource(source);
		const exportsInfo = moduleGraph.getExportsInfo(module);
		const exports = [];
		for (const exportInfo of exportsInfo.orderedExports) {
			if (!exportInfo.provided) continue;
			const varName = `__webpack_exports__${Template.toIdentifier(
				exportInfo.name
			)}`;
			result.add(
				`var ${varName} = __webpack_exports__${propertyAccess([
					exportInfo.getUsedName(exportInfo.name, chunk.runtime)
				])};\n`
			);
			exports.push(`${varName} as ${exportInfo.name}`);
		}
		if (exports.length > 0) {
			result.add(`export { ${exports.join(", ")} };\n`);
		}
		return result;
	}
}

module.exports = ModuleLibraryPlugin;

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