Set Name of Anonymous Function

by onury

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/chai/3.5.0/chai.min.js"></script>

JavaScript

"use strict";
var anonymous = function (a, b, c) {
	return { value: a + b - c };
};

// console.log(anonymous.toString());
var strFn = anonymous.toString().replace('function ', 'return function someName');
var fn = new Function(strFn)();

// Test
var expect = chai.expect;
expect(fn(1, 2, 3).value).to.equal(0);
expect(fn.name).to.equal('someName');
console.log('success!');