This question comes up as a result of another thread where a ui-button sent a msg to a ui-text node and the ui-text node had the label set to {{msg.topic}}. The problem was that the topic in the ui-button was left empty. This causes a problem in the ui-text node when it tries to evaluate the label s…

Ok - fixed on master. The label (and others) were not handling if the chosen property was present but undefined.

Should UI nodes create an empty msg.topic if it is left blank?

zenofmud 7 September 2019 22:17 7

@dceejay Dave, would it make good programming sense to still change the ui nodes so they don't create an undefined msg.topic?

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