Update library

1 files changed, 19 insertions, 6 deletions

diff --git a/framework/Web/Javascripts/prototype/array.js b/framework/Web/Javascripts/prototype/array.js
index 397afbbf..f5694c05 100644
--- a/framework/Web/Javascripts/prototype/array.js
+++ b/framework/Web/Javascripts/prototype/array.js
@@ -1,4 +1,5 @@
 var $A = Array.from = function(iterable) {

+  if (!iterable) return [];

   if (iterable.toArray) {

     return iterable.toArray();

   } else {

@@ -11,12 +12,19 @@ var $A = Array.from = function(iterable) {
 

 Object.extend(Array.prototype, Enumerable);

 

+Array.prototype._reverse = Array.prototype.reverse;

+

 Object.extend(Array.prototype, {

   _each: function(iterator) {

     for (var i = 0; i < this.length; i++)

       iterator(this[i]);

   },

   

+  clear: function() {

+    this.length = 0;

+    return this;

+  },

+  

   first: function() {

     return this[0];

   },

@@ -48,16 +56,21 @@ Object.extend(Array.prototype, {
   indexOf: function(object) {

     for (var i = 0; i < this.length; i++)

       if (this[i] == object) return i;

-    return false;

+    return -1;

   },

   

-  reverse: function() {

-    var result = [];

-    for (var i = this.length; i > 0; i--)

-      result.push(this[i-1]);

-    return result;

+  reverse: function(inline) {

+    return (inline !== false ? this : this.toArray())._reverse();

   },

   

+  shift: function() {

+    var result = this[0];

+    for (var i = 0; i < this.length - 1; i++)

+      this[i] = this[i + 1];

+    this.length--;

+    return result;

+  },

+

   inspect: function() {

     return '[' + this.map(Object.inspect).join(', ') + ']';

   }