Add sane defaults to TextPatcher diffs

9 years ago · f4c5b2a996
parent 259772dd62
commit f4c5b2a996
1 changed files with 2 additions and 2 deletions
--- a/www/common/TextPatcher.js
+++ b/www/common/TextPatcher.js
@ -23,8 +23,8 @@ var diff = function (oldval, newval) {
        commonEnd++;
    }

-    var toRemove;
-    var toInsert;
+    var toRemove = 0;
+    var toInsert = '';

    /*  throw some assertions in here before dropping patches into the realtime */
    if (oldval.length !== commonStart + commonEnd) {