CompatGetDefaultExportRuntimeModule.js
a00ef2159c6ereact18

CompatGetDefaultExportRuntimeModule.js
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			/*
			MIT License http://www.opensource.org/licenses/mit-license.php
			*/

			"use strict";

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

			class CompatGetDefaultExportRuntimeModule extends HelperRuntimeModule {
			constructor() {
			super("compat get default export");
			}

			/**
			* @returns {string} runtime code
			*/
			generate() {
			const { runtimeTemplate } = this.compilation;
			const fn = RuntimeGlobals.compatGetDefaultExport;
			return Template.asString([
			"// getDefaultExport function for compatibility with non-harmony modules",
			`${fn} = ${runtimeTemplate.basicFunction("module", [
			"var getter = module && module.__esModule ?",
			Template.indent([
			`${runtimeTemplate.returningFunction("module['default']")} :`,
			`${runtimeTemplate.returningFunction("module")};`
			]),
			`${RuntimeGlobals.definePropertyGetters}(getter, { a: getter });`,
			"return getter;"
			])};`
			]);
			}
			}

			module.exports = CompatGetDefaultExportRuntimeModule;