1 files changed, 20 insertions, 0 deletions
diff --git a/lib/utils.js b/lib/utils.js
index 0c86970e..a0668409 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -74,4 +74,24 @@ var utils = {
     };
     return null;
   },
+
+  /**
+   * Tries to convert :str into a valid URL.
+   * We don't bother with escaping characters, however, as Chrome will do that for us.
+   */
+  ensureUrl: function(str) {
+    // trim str
+    str = str.replace(/^\s+|\s+$/g, '');
+
+    // definitely not a valid URL; treat as a search query
+    if (str.indexOf(" ") != -1 || (str.indexOf('.') == -1 && !/^((http|https|ftp):\/\/)?localhost/.test(str)))
+      return "http://www.google.com/search?q=" + str;
+    // possibly a valid URL, but not canonical
+    else if (!/^(http|https|ftp|chrome):\/\//.test(str))
+      return "http://" + str;
+    // cross our fingers and hope it is valid
+    else
+      return str;
+  },
+
 };