Function predicate

tests/usePreviousDistinct.test.tsx:71–71

(a, b)

    const obj2 = { label: 'Jonny', value: 'john' };
    const obj3 = { label: 'Kate', value: 'kate' };
    const predicate = (a, b) => !!a && a.value === b.value;

    const hook = getHook(obj1 as { label: string; value: string }, predicate);