fannypack-v5
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An accessible, composable, and friendly React UI Kit
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<a href="../../index.html">All files</a> / <a href="index.html">src/utils</a> mergeRefs.ts
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import * as React from 'react';
export function mergeRefs(...refs: Array<React.Ref<any> | undefined>) {
const filteredRefs = refs.filter(Boolean);
<span class="missing-if-branch" title="if path not taken" >I</span>if (!filteredRefs.length) <span class="cstat-no" title="statement not covered" >return null;</span>
<span class="missing-if-branch" title="if path not taken" >I</span>if (filteredRefs.length === 0) <span class="cstat-no" title="statement not covered" >return filteredRefs[0];</span>
return (instance: any) => {
for (const ref of filteredRefs) {
if (typeof ref === 'function') {
ref(instance);
} else <span class="missing-if-branch" title="else path not taken" >E</span>if (ref) {
(ref as React.MutableRefObject<any>).current = instance;
}
}
};
}
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