Merge branch 'ie-polyfills-and-fixes'

@@ -6,6 +6,12 @@
 
   Rivets = {};
 
+  if (!String.prototype.trim) {
+    String.prototype.trim = function() {
+      return this.replace(/^\s+|\s+$/g, "");
+    };
+  }
+
   Rivets.Binding = (function() {
 
     function Binding(el, type, model, keypath, formatters) {
@@ -40,7 +46,11 @@
         this.set(Rivets.config.adapter.read(this.model, this.keypath));
       }
       if (_ref = this.type, __indexOf.call(bidirectionals, _ref) >= 0) {
+        if (window.addEventListener) {
           return this.el.addEventListener('change', this.publish);
+        } else {
+          return this.el.attachEvent('change', this.publish);
+        }
       }
     };
 
@@ -79,7 +89,7 @@
     };
 
     View.prototype.build = function() {
-      var attribute, bindingRegExp, keypath, model, node, path, pipes, type, _i, _len, _ref, _results;
+      var attribute, bindingRegExp, keypath, model, node, path, pipe, pipes, type, _i, _len, _ref, _results;
       this.bindings = [];
       bindingRegExp = this.bindingRegExp();
       _ref = this.el.getElementsByTagName('*');
@@ -94,9 +104,16 @@
             attribute = _ref1[_j];
             if (bindingRegExp.test(attribute.name)) {
               type = attribute.name.replace(bindingRegExp, '');
-              pipes = attribute.value.split('|').map(function(pipe) {
-                return pipe.trim();
-              });
+              pipes = (function() {
+                var _k, _len2, _ref2, _results2;
+                _ref2 = attribute.value.split('|');
+                _results2 = [];
+                for (_k = 0, _len2 = _ref2.length; _k < _len2; _k++) {
+                  pipe = _ref2[_k];
+                  _results2.push(pipe.trim());
+                }
+                return _results2;
+              })();
               path = pipes.shift().split('.');
               model = this.models[path.shift()];
               keypath = path.join('.');

@@ -6,6 +6,9 @@
 # The Rivets namespace.
 Rivets = {}
 
+# Polyfill For String::trim.
+unless String::trim then String::trim = -> @replace /^\s+|\s+$/g, ""
+
 # A single binding between a model attribute and a DOM element.
 class Rivets.Binding
   # All information about the binding is passed into the constructor; the DOM
@@ -32,7 +35,12 @@ class Rivets.Binding
       @set Rivets.config.adapter.read @model, @keypath
 
     if @type in bidirectionals
+      # Check to see if addEventListener is available.
+      if window.addEventListener
         @el.addEventListener 'change', @publish
+      else
+      # Assume we are in IE and use attachEvent.
+        @el.attachEvent 'change', @publish
 
   # Publishes the value currently set on the input element back to the model.
   publish: (e) =>
@@ -60,7 +68,7 @@ class Rivets.View
       for attribute in node.attributes
         if bindingRegExp.test attribute.name
           type = attribute.name.replace bindingRegExp, ''
-          pipes = attribute.value.split('|').map (pipe) -> pipe.trim()
+          pipes = (pipe.trim() for pipe in attribute.value.split '|')
           path = pipes.shift().split '.'
           model = @models[path.shift()]
           keypath = path.join '.'