- Open TemplateData editor.
- Create a new property, giving it a name. ("Foo")
- Immediately click the property to edit it.
- Change its name, ("FooBar").
- Observe error being thrown after your second keystroke while renaming:
ext.templateDataGenerator.data.js?3292a:719 Uncaught TypeError: Cannot set property 'name' of undefined mw.TemplateData.Model.setParamProperty @ ext.templateDataGenerator.data.js?3292a:719 mw.TemplateData.Dialog.onParamPropertyInputChange @ ext.templateDataGenerator.ui.tdDialog.js?a0610:465 oo.EventEmitter.emit @ oojs.jquery.js?d40c1:775