18 lines
518 B
JavaScript
18 lines
518 B
JavaScript
import { useEffect } from 'react';
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import { devUseWarning } from '../../_util/warning';
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const names = {};
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export default function useFormWarning(_ref) {
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let {
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name
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} = _ref;
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const warning = devUseWarning('Form');
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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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process.env.NODE_ENV !== "production" ? warning(names[name] <= 1, 'usage', 'There exist multiple Form with same `name`.') : void 0;
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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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} |