Edit: lazyProperty.js
"use strict" function addLazyProperty(object, name, initializer, enumerable) { Object.defineProperty(object, name, { get: function() { var v = initializer.call(this) Object.defineProperty(this, name, { value: v, enumerable: !!enumerable, writable: true }) return v }, set: function(v) { Object.defineProperty(this, name, { value: v, enumerable: !!enumerable, writable: true }) return v }, enumerable: !!enumerable, configurable: true }) } module.exports = addLazyProperty
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