mirror of https://github.com/webpack/webpack.git
38 lines
944 B
JavaScript
38 lines
944 B
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 DefinePropertyGetterRuntimeModule extends HelperRuntimeModule {
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constructor() {
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super("define property getter");
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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.definePropertyGetter;
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return Template.asString([
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"// define getter function for harmony exports",
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`${fn} = function(exports, name, getter) {`,
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Template.indent([
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`if(!${RuntimeGlobals.hasOwnProperty}(exports, name)) {`,
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Template.indent([
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"Object.defineProperty(exports, name, { enumerable: true, get: 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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}
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}
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module.exports = DefinePropertyGetterRuntimeModule;
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