21 lines
430 B
React
21 lines
430 B
React
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// @enableTransitivelyFreezeFunctionExpressions
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import {mutate, Stringify, useIdentity} from 'shared-runtime';
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function Foo({count}) {
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const x = {value: 0};
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/**
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* After this custom hook call, it's no longer valid to mutate x.
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*/
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const cb = useIdentity(() => {
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x.value++;
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});
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x.value += count;
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return <Stringify x={x} cb={cb} />;
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}
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export const FIXTURE_ENTRYPOINT = {
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fn: Foo,
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params: [{count: 1}],
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};
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