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Don't error out if we get an edit for a message that's out of view

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(imported from commit 042cadc8657d048d0fd3a410af5adbbaeac7d92d)
This commit is contained in:
Leo Franchi
2014-02-21 10:46:26 -05:00
committed by Jessica McKellar
parent 5d013b78eb
commit 1d601134ed
1 changed files with 2 additions and 1 deletions
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3
static/js/message_edit.js
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@@ -169,7 +169,8 @@ exports.is_editing = function (id) {
exports.end = function (row) {
var message = current_msg_list.get(rows.id(row));
if (currently_editing_messages[message.id] !== undefined) {
if (message !== undefined &&
currently_editing_messages[message.id] !== undefined) {
var scroll_by = currently_editing_messages[message.id].scrolled_by;
viewport.scrollTop(viewport.scrollTop() - scroll_by);
delete currently_editing_messages[message.id];