mirror of https://github.com/webpack/webpack.git
40 lines
1.0 KiB
JavaScript
40 lines
1.0 KiB
JavaScript
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/*
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MIT License http://www.opensource.org/licenses/mit-license.php
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*/
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"use strict";
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const RuntimeGlobals = require("../RuntimeGlobals");
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const Template = require("../Template");
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const HelperRuntimeModule = require("./HelperRuntimeModule");
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class CompatGetDefaultExportRuntimeModule extends HelperRuntimeModule {
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constructor() {
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super("compat get default export");
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}
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/**
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* @param {TODO} generateContext context
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* @returns {string} runtime code
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*/
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generate(generateContext) {
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const fn = RuntimeGlobals.compatGetDefaultExport;
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return Template.asString([
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"// getDefaultExport function for compatibility with non-harmony modules",
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`${fn} = function(module) {`,
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Template.indent([
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"var getter = module && module.__esModule ?",
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Template.indent([
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"function getDefault() { return module['default']; } :",
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"function getModuleExports() { return module; };"
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]),
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`${RuntimeGlobals.definePropertyGetter}(getter, 'a', getter);`,
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"return getter;"
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]),
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"};"
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]);
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}
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}
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module.exports = CompatGetDefaultExportRuntimeModule;
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