Avoid creating orphan edges

[iamsoorena]

before removing these lines, If user didn't make a new edge with onCreateEdge, we would have orphan edges.

Demo of bug:

[ajbogh]

This is an interesting use case. Thanks for showing it in an image!

I worry if the right approach is to remove those lines. I'll have to see what the implications are.

Another way to handle this is to call this.setState() again to force react-digraph to rerender with the existing graph, which should delete the extra edge. You would do this when the user presses the cancel button.

[iamsoorena]

Hi there, thanks for your response.
the graph works just fine without those lines.
I think the only reason they exist is for graph to update faster, because it sometimes takes a while for graph to re-render new edges.
If that's the case we can have some extra methods for adding edges asynchronously to avoid these kinds of conflicts.

[iamsoorena]

@ajbogh This is critical, the graph won't re-render only by calling this.setState().
this orphaned edge won't go away even if I set completely new edges => this.setState({edges: currentEdges.slice()})!!! that's unacceptable.
So this orphaned edge does not go away.

[ajbogh]

Hi @iamsoorena. I plan to look into this as soon as I am complete with another priority. I apologize for the delay and the rest of the team is split with their priorities as well. Please allow me to look into this next week.

[iamsoorena]

Hi @ajbogh, we are using this library in a serious project. I have tested library without those lines a few times. there is no problem with removing those lines. those lines only introduce some buggy behavior and I will be happy If you find the time to look into this.

[iamsoorena]

@ajbogh Hi.

[ajbogh]

@iamsoorena I've asked another team member to look into this. Hopefully he can get to it soon. Thanks for the patience.

@vincentuber

[vjocw]

@ajbogh @iamsoorena looking into it now. I'm getting now ramped up with the codebase, it might take some time.

[ahslr]

Hey @chiwoojo
Did you have a chance to look at this?

[ajbogh]

I was able to test this today and found that it works fine for existing projects. Thanks for being so patient with this, and I apologize for the delay.

[ajbogh]

This is included in 6.2.0. Thanks!