first commit

lib/ckeditor4/plugins/lite/js/polyfills.js

@@ -0,0 +1,50 @@
+// Add ECMA262-5 string trim if not supported natively
+//
+if (typeof String.prototype.trim !== 'function') {
+  String.prototype.trim = function() {
+    return this.replace(/^\s+|\s+$/g, '');
+  }
+}
+
+// Add ECMA262-5 Array methods if not supported natively
+//
+if (!('indexOf' in Array.prototype)) {
+  Array.prototype.indexOf= function(find, i /*opt*/) {
+    if (i===undefined) i= 0;
+    if (i<0) i+= this.length;
+    if (i<0) i= 0;
+    for (var n= this.length; i<n; i++)
+      if (i in this && this[i]===find)
+        return i;
+    return -1;
+  };
+}
+if (!('lastIndexOf' in Array.prototype)) {
+  Array.prototype.lastIndexOf= function(find, i /*opt*/) {
+    if (i===undefined) i= this.length-1;
+    if (i<0) i+= this.length;
+    if (i>this.length-1) i= this.length-1;
+    for (i++; i-->0;) /* i++ because from-argument is sadly inclusive */
+      if (i in this && this[i]===find)
+        return i;
+    return -1;
+  };
+}
+if (!('map' in Array.prototype)) {
+  Array.prototype.map= function(mapper, that /*opt*/) {
+    var other= new Array(this.length);
+    for (var i= 0, n= this.length; i<n; i++)
+      if (i in this)
+        other[i]= mapper.call(that, this[i], i, this);
+    return other;
+  };
+}
+if (!('filter' in Array.prototype)) {
+  Array.prototype.filter= function(filter, that /*opt*/) {
+    var other= [], v;
+    for (var i=0, n= this.length; i<n; i++)
+      if (i in this && filter.call(that, v= this[i], i, this))
+        other.push(v);
+    return other;
+  };
+}