Merge pull request testdouble#69 from islandr/68-bind-undefined

Added polyfill for Function.prototype.bind

Author: searls

app/helpers/jasmine_rails/spec_runner_helper.rb

@@ -20,6 +20,7 @@ def jasmine_css_files
     def jasmine_js_files
       files = Jasmine::Core.js_files
       if params[:console]
+        files << 'jasmine-console-shims.js'
         files << 'jasmine-console-reporter.js'
       end
       files << 'jasmine-boot.js'

lib/assets/javascripts/jasmine-console-shims.js

@@ -0,0 +1,31 @@
+(function() {
+  /**
+   * Function.bind Polyfill for ECMAScript 5 Support
+   * Kangax's bind with Broofa's arg optimization.
+   * http://www.broofa.com/Tools/JSLitmus/tests/PrototypeBind.html
+   *
+   * Copied from https://gist.github.com/rxgx/1597825
+   */
+  if (typeof Function.prototype.bind !== "function") {
+    Function.prototype.bind = function() {
+      var slice = Array.prototype.slice;
+      return function(context) {
+        var fn = this,
+          args = slice.call(arguments, 1);
+        if (args.length) {
+          return function() {
+            return arguments.length
+              ? fn.apply(context, args.concat(slice.call(arguments)))
+              : fn.apply(context, args);
+          };
+        }
+        return function() {
+          return arguments.length
+            ? fn.apply(context, arguments)
+            : fn.call(context);
+        };
+      };
+    };
+  }
+})();
+