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(core) Fix flaky FormulaEditor test by adjusting focus behavior of FormulaEditor.

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Summary:
The issue is in the app due to the possibility of subtle differences in
order of events. It's hard to trigger a wrong order, but the fix is
intended to make it impossible.

Test Plan: Running test with a bunch of iterations, to see how reliable it is

Reviewers: georgegevoian

Reviewed By: georgegevoian

Subscribers: georgegevoian

Differential Revision: https://phab.getgrist.com/D3918
This commit is contained in:
Dmitry S 2023-06-12 18:39:53 -04:00
parent c5e750abc6
commit 812cded291
1 changed files with 8 additions and 0 deletions
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8
app/client/widgets/FormulaEditor.ts
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@ -375,7 +375,15 @@ export class FormulaEditor extends NewBaseEditor {
}
// Resize editor in case it is needed.
this._formulaEditor.resize();
// This focus method will try to focus a textarea immediately and again on setTimeout. But
// other things may happen by the setTimeout time, messing up focus. The reason the immediate
// call doesn't usually help is that this is called on 'mousedown' before its corresponding
// focus/blur occur. We can do a bit better by restoring focus immediately after blur occurs.
aceObj.focus();
const lis = dom.onElem(aceObj.textInput.getElement(), 'blur', e => { lis.dispose(); aceObj.focus(); });
// If no blur right away, clear the listener, to avoid unexpected interference.
setTimeout(() => lis.dispose(), 0);
}
}