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useId.js
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Wed, Feb 19, 01:30

useId.js
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import * as React from 'react';
let globalId = 0;
function useGlobalId(idOverride) {
const [defaultId, setDefaultId] = React.useState(idOverride);
const id = idOverride || defaultId;
React.useEffect(() => {
if (defaultId == null) {
// Fallback to this default id when possible.
// Use the incrementing value for client-side rendering only.
// We can't use it server-side.
// If you want to use random values please consider the Birthday Problem: https://en.wikipedia.org/wiki/Birthday_problem
globalId += 1;
setDefaultId(`mui-${globalId}`);
}
}, [defaultId]);
return id;
}
// eslint-disable-next-line no-useless-concat -- Workaround for https://github.com/webpack/webpack/issues/14814
const maybeReactUseId = React['useId' + ''];
/**
*
* @example <div id={useId()} />
* @param idOverride
* @returns {string}
*/
export default function useId(idOverride) {
if (maybeReactUseId !== undefined) {
const reactId = maybeReactUseId();
return idOverride != null ? idOverride : reactId;
}
// eslint-disable-next-line react-hooks/rules-of-hooks -- `React.useId` is invariant at runtime.
return useGlobalId(idOverride);
}

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