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[Perf] component detection: improve performance by avoiding traversing parents unnecessarily #3459

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merged 1 commit into from Oct 11, 2022

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golopot
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@golopot golopot commented Oct 11, 2022

This change makes an eslint . with plugin:react/all enabled run about 13% faster.

Comment on lines 464 to 465
return <Text>{this.props.foo}</Text>;
}
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This should not be reported because React.createClass is not the correct pragma here. So there should be no component detected thus no report.

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codecov bot commented Oct 11, 2022

Codecov Report

Merging #3459 (bf59919) into master (c56cc56) will decrease coverage by 0.04%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #3459      +/-   ##
==========================================
- Coverage   97.58%   97.54%   -0.05%     
==========================================
  Files         127      127              
  Lines        9068     9066       -2     
  Branches     3308     3307       -1     
==========================================
- Hits         8849     8843       -6     
- Misses        219      223       +4     
Impacted Files Coverage Δ
lib/util/Components.js 95.66% <100.00%> (-0.85%) ⬇️

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@@ -871,7 +877,7 @@ function componentRule(rule, context) {
return;
}

node = utils.getParentComponent();
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No need to find parent components here.

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Seems legit, thanks

@ljharb ljharb added the hacktoberfest-accepted If you're interested in a free shirt, this PR counts towards it. label Oct 11, 2022
@ljharb ljharb merged commit bf59919 into jsx-eslint:master Oct 11, 2022
ljharb pushed a commit to ljharb/eslint-plugin-react that referenced this pull request Nov 18, 2022
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