webpack/lib/dependencies/HarmonyExports.js

41 lines
1.2 KiB
JavaScript

/*
MIT License http://www.opensource.org/licenses/mit-license.php
Author Tobias Koppers @sokra
*/
"use strict";
/** @typedef {import("../Parser").ParserState} ParserState */
/** @type {WeakMap<ParserState, boolean>} */
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) {
parserState.module.buildMeta.exportsType = "namespace";
parserState.module.buildInfo.strict = true;
parserState.module.buildInfo.exportsArgument = "__webpack_exports__";
if (isStrictHarmony) {
parserState.module.buildMeta.strictHarmonyModule = true;
parserState.module.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;
};