Moving bind into it's own file

lib/helpers/bind.js

@@ -0,0 +1,11 @@
+'use strict';
+
+module.exports = function bind(fn, thisArg) {
+  return function wrap() {
+    var args = new Array(arguments.length);
+    for (var i = 0; i < args.length; i++) {
+      args[i] = arguments[i];
+    }
+    return fn.apply(thisArg, args);
+  };
+};

test/specs/helpers/bind.spec.js

@@ -0,0 +1,12 @@
+var bind = require('../../../lib/helpers/bind');
+
+describe('bind', function () {
+  it('should bind an object to a function', function () {
+    var o = { val: 123 };
+    var f = bind(function (num) {
+      return this.val * num;
+    }, o);
+
+    expect(f(2)).toEqual(246);
+  });
+});