[#77] Finally drop use of findDOMNode()#710
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stefcameron merged 1 commit intomasterfrom Jun 10, 2022
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Fixes #77 Fixes #704 For the longest time, since before I took over, we were filtering specified containers through `ReactDOM.findDOMNode()`, but why? The configured trap containers (via the `containerElements` prop) must be elements already, which means they must already be rendered, which means there's no point in passing them through `findDOMNode()` to find an underlying DOM element because they aren't React elements in the first place. The removal of this call should mean that React Strict Mode will finally be OK with focus-trap-react. Note it's still possible to render a focus trap with a single React element child. That works fine, and never needed `findDOMNode()` anyway. We were already using a callback ref to get its element to then auto-configure that element as the single container for the focus trap. Just to be sure, however, this will be released as a new __major__ version.
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This was referenced Jun 10, 2022
Codecov Report
@@ Coverage Diff @@
## master #710 +/- ##
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- Coverage 92.76% 92.66% -0.10%
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Files 1 1
Lines 152 150 -2
Branches 65 65
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- Hits 141 139 -2
Misses 11 11
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Fixes #77
Fixes #704
For the longest time, since before I took over, we were filtering
specified containers through
ReactDOM.findDOMNode(), but why?The configured trap containers (via the
containerElementsprop)must be elements already, which means they must already be rendered,
which means there's no point in passing them through
findDOMNode()to find an underlying DOM element because they aren't React elements
in the first place.
The removal of this call should mean that React Strict Mode will
finally be OK with focus-trap-react.
Note it's still possible to render a focus trap with a single React
element child. That works fine, and never needed
findDOMNode()anyway. We were already using a callback ref to get its element
to then auto-configure that element as the single container for
the focus trap.
Just to be sure, however, this will be released as a new major
version.
PR Checklist
Please leave this checklist in your PR.
typeof document/window !== 'undefined'before using it in code that gets executed on load.yarn changesetlocally to add one, and follow the prompts).