51 lines
1.3 KiB
TypeScript
51 lines
1.3 KiB
TypeScript
// Copyright 2017-2022 @polkadot/react-components authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import type { DeriveAccountInfo } from '@polkadot/api-derive/types';
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import type { AccountId, Address } from '@polkadot/types/interfaces';
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import React, { useMemo } from 'react';
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import styled from 'styled-components';
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import { useDeriveAccountInfo, useSystemApi } from '@polkadot/react-hooks';
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interface Props {
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children?: React.ReactNode;
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className?: string;
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defaultValue?: string;
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label?: React.ReactNode;
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value?: string | AccountId | Address | null | Uint8Array;
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}
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function extractIndex ({ accountIndex }: Partial<DeriveAccountInfo> = {}): string | null {
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return accountIndex
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? accountIndex.toString()
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: null;
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}
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function AccountIndex ({ children, className = '', defaultValue, label, value }: Props): React.ReactElement<Props> | null {
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const api = useSystemApi();
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const info = useDeriveAccountInfo(value);
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const accountIndex = useMemo(
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() => extractIndex(info),
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[info]
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);
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if (!api.query.indices) {
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return null;
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}
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return (
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<div className={`ui--AccountIndex ${className}`}>
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{label || ''}<div className='account-index'>{accountIndex || defaultValue || '-'}</div>{children}
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</div>
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);
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}
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export default React.memo(styled(AccountIndex)`
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.account-index {
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font: var(--font-mono);
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}
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`);
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