83a2ddedd4
* Add React.emomo to some components * Linting * useCallback for callbacks * Additional useCallback impl.
22 lines
784 B
TypeScript
22 lines
784 B
TypeScript
// Copyright 2017-2020 @polkadot/react-hooks authors & contributors
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// This software may be modified and distributed under the terms
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// of the Apache-2.0 license. See the LICENSE file for details.
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import { StringOrNull } from '@polkadot/react-components/types';
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import { useCallback, useState } from 'react';
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export default function useAccountId (initialValue: StringOrNull = null, onChangeAccountId?: (_: StringOrNull) => void): [StringOrNull, (_: StringOrNull) => void] {
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const [accountId, setAccountId] = useState<StringOrNull>(initialValue);
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const _setAccountId = useCallback(
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(accountId: StringOrNull = null): void => {
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setAccountId(accountId);
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onChangeAccountId && onChangeAccountId(accountId);
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},
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[]
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);
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return [accountId, _setAccountId];
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}
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