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