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;