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1 files changed, 23 insertions, 0 deletions

diff --git a/js/common.js b/js/common.js
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index 0000000..07268f4
--- /dev/null
+++ b/js/common.js
@@ -0,0 +1,23 @@
+// Copyright 2015 Egor Tensin <Egor.Tensin@gmail.com>
+// This file is licensed under the terms of the MIT License.
+// See LICENSE.txt for details.
+
+if (!String.prototype.format) {
+  String.prototype.format = function() {
+    var str = this.toString();
+    if (!arguments.length)
+      return str;
+    switch (typeof arguments[0]) {
+      case 'string':
+      case 'number':
+        var args = arguments;
+        break;
+      default:
+        var args = arguments[0];
+        break;
+    }
+    for (var arg in args)
+      str = str.replace(new RegExp('\\{' + arg + '\\}', 'gi'), args[arg]);
+    return str;
+  }
+}