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Last Updated: 15 Aug 2024 07:29 by ADMIN
Ryan
Created on: 15 Aug 2024 02:03
Category: PanelBar
Type: Bug Report
1
There is a bug in PanelBarItem when rendering nested PanelBarItems

There is a bug when rendering nested `PanelBarItem` components into a `PanelBar`. This error began in version 8.0 and still exists in 8.2.0.

In the linked example sandbox, you can see that I am rendering an empty array of children and it causes an error. This used to not cause any issues.

An empty array is needed because we render some `PanelBarItems` that come from an AJAX query and so the children starts off as an empty array until the requests completes.

code sandbox example of bug

Thank you,

Ryan

2 comments
ADMIN
Konstantin Dikov
Posted on: 15 Aug 2024 07:29

Hello Ryan,

Thank you for reaching out to us.

I was able to reproduce the issue using the example that you shared and we will definitely look into it.

As for a temporary workaround, you can use "null" as the initial value and add the array once you have the nested PanelBarItems:

  const [items1, setItems1] = React.useState(null);
  React.useEffect(() => {
    setTimeout(() => {
      setItems1([<PanelBarItem title="Test" />]);
    }, 1500);
  }, []);

  return (
    <div className="panelbar-wrapper">
      <PanelBar>
        <PanelBarItem title={"Projects"}>{items1}</PanelBarItem>
      </PanelBar>
    </div>
  );
};

 

Regards,
Konstantin Dikov
Progress Telerik

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Ryan
Posted on: 15 Aug 2024 02:04

Here is the link to the preview of the running app, if helpful ...

https://c5mwgy.csb.app/

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