var inherits; if (typeof Object.create === 'function'){ inherits = function inherits(ctor, superCtor) { // implementation from standard node.js 'util' module ctor.super_ = superCtor ctor.prototype = Object.create(superCtor.prototype, { constructor: { value: ctor, enumerable: false, writable: true, configurable: true } }); }; } else { inherits = function inherits(ctor, superCtor) { ctor.super_ = superCtor var TempCtor = function () {} TempCtor.prototype = superCtor.prototype ctor.prototype = new TempCtor() ctor.prototype.constructor = ctor } } export default inherits;