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Packs ECMAScript/CommonJs/AMD modules for the browser. Allows you to split your codebase into multiple bundles, which can be loaded on demand. Supports loaders to preprocess files, i.e. json, jsx, es7, css, less, ... and your custom stuff.

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

"use strict";

const RuntimeGlobals = require("../RuntimeGlobals");

/** @typedef {import("../Module").BuildInfo} BuildInfo */
/** @typedef {import("../Module").BuildMeta} BuildMeta */
/** @typedef {import("../Parser").ParserState} ParserState */

/** @type {WeakMap} */
const parserStateExportsState = new WeakMap();

/**
 * @param {ParserState} parserState parser state
 * @param {boolean} isStrictHarmony strict harmony mode should be enabled
 * @returns {void}
 */
exports.enable = (parserState, isStrictHarmony) => {
	const value = parserStateExportsState.get(parserState);
	if (value === false) return;
	parserStateExportsState.set(parserState, true);
	if (value !== true) {
		const buildMeta = /** @type {BuildMeta} */ (parserState.module.buildMeta);
		buildMeta.exportsType = "namespace";
		const buildInfo = /** @type {BuildInfo} */ (parserState.module.buildInfo);
		buildInfo.strict = true;
		buildInfo.exportsArgument = RuntimeGlobals.exports;
		if (isStrictHarmony) {
			buildMeta.strictHarmonyModule = true;
			buildInfo.moduleArgument = "__webpack_module__";
		}
	}
};

/**
 * @param {ParserState} parserState parser state
 * @returns {boolean} true, when enabled
 */
exports.isEnabled = parserState => {
	const value = parserStateExportsState.get(parserState);
	return value === true;
};