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20 lines
474 B
TypeScript
20 lines
474 B
TypeScript
import { useEffect } from 'react';
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import warning from '../../_util/warning';
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import type { FormProps } from '../Form';
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const names: Record<string, number> = {};
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export default function useFormWarning({ name }: FormProps) {
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useEffect(() => {
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if (name) {
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names[name] = (names[name] || 0) + 1;
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warning(names[name] <= 1, 'Form', 'There exist multiple Form with same `name`.');
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return () => {
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names[name] -= 1;
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};
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}
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}, [name]);
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}
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