How to perform clean up in useEffect
Closed this issue · 2 comments
AllStackDev1 commented
so when I use state to toggle between views, it crashes when I try mounting back a tree component, works the first time but going back I get this.
Need a way to clean up when unmounting.
donatso commented
It seems that your family tree json is corrupted. I am not sure what is causing it. Can you try to isolate the problem?
AllStackDev1 commented
So what i figured out was that the tree overwrite the source json data. so
i try to not make a direct reference to it, using
json.parse(json.stringfy(data)). it solved it. thanks
…On Mon, Jan 24, 2022 at 7:08 PM donatso ***@***.***> wrote:
It seems that your family tree json is corrupted. I am not sure what is
causing it. Can you try to isolate the problem?
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