Using a '-' divider in toolbar items config without the shouldNotGroupWhenFull option enabled causes displaying an unwanted separator.

[pkwasnik]

📝 Provide detailed reproduction steps (if any)

1. In the editor configuration inside items list set - divider on any position
2. shouldNotGroupWhenFull should be set to false (it is the default option) 
3. Open editor

✔️ Expected result

There should not be any separator inserted in the place of -. Using - without shouldNotGroupWhenFull should not affect the toolbar.

❌ Actual result

There is an unwanted separator inserted in the place of -.

📃 Other details

• Browser: …
• OS: …
• CKEditor version: …
• Installed CKEditor plugins: …

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[Reinmar]

Haha, is this a feature or a bug? :D

We talked about logging a warning that shouldNotGroupWhenFull is enabled and a separator is used. This may be the simplest solution.

[oleq]

We talked about logging a warning that shouldNotGroupWhenFull is enabled and a separator is used. This may be the simplest solution.

There is one. But maybe we should not render the view at all in this case.

[Reinmar]

But maybe we should not render the view at all in this case

Which view? I don't understand what's the expected behavior in this case.

[oleq]

1. - should create a new toolbar line, as in the documentation.
2. If, due to other configuration (shouldNotGroupWhenFull === false) this is not possible, - should do nothing.
3. According to the bug report, it spreads toolbar items, which is against 1.
4. This means the behavior described in the bug report is indeed a bug.
5. The UI View corresponding to - in the toolbar configuration should not be rendered at all to address this bug.
6. In other words: we should not only warn the user in the console but also get rid of the goofy View from the toolbar when this happens.

[Reinmar]

Thanks. That clarifies it.