Fixed OT some uncaught error and exceptions

2015-09-24 11:56:55 +08:00
parent c06fb7a526
commit 92493e307a
3 changed files with 4 additions and 4 deletions
--- a/public/vendor/ot/editor-client.js
+++ b/public/vendor/ot/editor-client.js
@@ -25,8 +25,8 @@ ot.EditorClient = (function () {

  SelfMeta.prototype.transform = function (operation) {
    return new SelfMeta(
-      this.selectionBefore.transform(operation),
-      this.selectionAfter.transform(operation)
+      (this.selectionBefore ? this.selectionBefore.transform(operation) : null),
+      (this.selectionAfter ? this.selectionAfter.transform(operation) : null)
    );
  };