Make createActionOpenUrl be a simple function.

1 files changed, 11 insertions, 0 deletions

diff --git a/lib/utils.js b/lib/utils.js
index a5887e89..ab44e43f 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -166,6 +166,17 @@ Function.prototype.proxy = function(self) {
 };
 
 /*
+ * This creates a new function out of an existing function, where the new function takes fewer arguments.
+ * This allows us to pass around functions instead of functions + a partial list of arguments.
+ */
+Function.prototype.curry = function(fixedArguments) {
+  var fn = this;
+  return function() { return fn.apply(this, fixedArguments.concat(Array.copy(arguments))); };
+};
+
+Array.copy = function(array) { return Array.prototype.slice.call(array, 0); };
+
+/*
  * Simple JavaScript Inheritance, by John Resig.
  * This provides a short syntax for organizing code into classes.
  * Taken from http://ejohn.org/blog/simple-javascript-inheritance/.