shift73k/assets_old/node_modules/webpack/lib/runtime/DefinePropertyGettersRuntimeModule.js

39 lines
1 KiB
JavaScript

/*
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 DefinePropertyGettersRuntimeModule extends HelperRuntimeModule {
constructor() {
super("define property getters");
}
/**
* @returns {string} runtime code
*/
generate() {
const { runtimeTemplate } = this.compilation;
const fn = RuntimeGlobals.definePropertyGetters;
return Template.asString([
"// define getter functions for harmony exports",
`${fn} = ${runtimeTemplate.basicFunction("exports, definition", [
`for(var key in definition) {`,
Template.indent([
`if(${RuntimeGlobals.hasOwnProperty}(definition, key) && !${RuntimeGlobals.hasOwnProperty}(exports, key)) {`,
Template.indent([
"Object.defineProperty(exports, key, { enumerable: true, get: definition[key] });"
]),
"}"
]),
"}"
])};`
]);
}
}
module.exports = DefinePropertyGettersRuntimeModule;