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Code Issues Releases Wiki Activity

Fix crash with action-deletefield and missing tiddler attribute

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Fixes #4188
This commit is contained in:
Jeremy Ruston 2019-08-24 11:39:00 +01:00
parent 67066fe86e
commit a170210069
1 changed files with 1 additions and 1 deletions
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core/modules/widgets/action-deletefield.js
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@ -59,7 +59,7 @@ DeleteFieldWidget.prototype.invokeAction = function(triggeringWidget,event) {
tiddler = this.wiki.getTiddler(self.actionTiddler), tiddler = this.wiki.getTiddler(self.actionTiddler),
removeFields = {}, removeFields = {},
hasChanged = false; hasChanged = false;
if(this.actionField) { if(this.actionField && tiddler) {
removeFields[this.actionField] = undefined; removeFields[this.actionField] = undefined;
if(this.actionField in tiddler.fields) { if(this.actionField in tiddler.fields) {
hasChanged = true; hasChanged = true;