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@benadamstyles
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What: Don't allow tabbing to elements inside hidden parents.

Why: I think this correctly matches browser behaviour.

How: Add a !el.closest('[hidden]') check in the focusable elements filter.

Checklist:

  • Documentation N/A
  • Tests
  • Typings N/A
  • Ready to be merged

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codecov bot commented Feb 11, 2021

Codecov Report

Merging #556 (298cd9f) into master (217b487) will not change coverage.
The diff coverage is 100.00%.

Impacted file tree graph

@@            Coverage Diff            @@
##            master      #556   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           13        13           
  Lines          696       698    +2     
  Branches       218       220    +2     
=========================================
+ Hits           696       698    +2     
Impacted Files Coverage Δ
src/tab.js 100.00% <100.00%> (ø)

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@ph-fritsche
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Thanks for the report. Yes, we should exclude hidden elements. :)

But while elements with hidden attribute should not contain elements that are relevant for the user, they are still displayed and available if a stylesheet overwrites display.

<input/>
<button hidden style="display: inline-block">click</button>
<input />

So we need to traverse the ancestors and verify if they are visible.

I've opened benadamstyles#1 with a solution.
But the bug in jsdom causing window.getComputedStyle() to ignore hidden attributes has to be resolved first.

@ph-fritsche
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Replaced by #579

@ph-fritsche ph-fritsche closed this Mar 9, 2021
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2 participants