22 lines
655 B
JavaScript
22 lines
655 B
JavaScript
const React = require('react')
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const $empty = Symbol.for('react.memo_cache_sentinel')
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/**
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* DANGER: this hook is NEVER meant to be called directly!
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*
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* Note that this is a temporary userspace implementation of this function
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* from React 19. It is not as efficient and may invalidate more frequently
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* than the official API. Please upgrade to React 19 as soon as you can.
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**/
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export function c(size) {
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// eslint-disable-next-line react-hooks/rules-of-hooks
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return React.useState(() => {
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const $ = new Array(size)
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for (let ii = 0; ii < size; ii++) {
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$[ii] = $empty
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}
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// @ts-ignore
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$[$empty] = true
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return $
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})[0]
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}
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