76 lines
1.9 KiB
TypeScript
76 lines
1.9 KiB
TypeScript
// Copyright 2017-2021 @polkadot/react-params authors & contributors
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// SPDX-License-Identifier: Apache-2.0
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import type { Props } from '../types';
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import BN from 'bn.js';
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import React, { useCallback, useMemo } from 'react';
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import { Input, InputNumber } from '@polkadot/react-components';
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import { ClassOf } from '@polkadot/types/create';
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import { bnToBn, formatNumber, isUndefined } from '@polkadot/util';
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import Bare from './Bare';
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function Amount ({ className = '', defaultValue: { value }, isDisabled, isError, label, onChange, onEnter, registry, type, withLabel }: Props): React.ReactElement<Props> {
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const defaultValue = useMemo(
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() => isDisabled
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? value instanceof ClassOf(registry, 'AccountIndex')
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? value.toString()
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: formatNumber(value as number)
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: bnToBn((value as number) || 0).toString(),
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[isDisabled, registry, value]
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);
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const bitLength = useMemo(
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(): number => {
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try {
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return registry.createType(type.type as 'u32').bitLength();
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} catch (error) {
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return 32;
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}
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},
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[registry, type]
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);
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const _onChange = useCallback(
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(value?: BN) => onChange && onChange({
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isValid: !isUndefined(value),
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value
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}),
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[onChange]
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);
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return (
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<Bare className={className}>
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{isDisabled
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? (
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<Input
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className='full'
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defaultValue={defaultValue}
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isDisabled
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label={label}
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withEllipsis
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withLabel={withLabel}
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/>
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)
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: (
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<InputNumber
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bitLength={bitLength}
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className='full'
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defaultValue={defaultValue}
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isError={isError}
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isZeroable
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label={label}
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onChange={_onChange}
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onEnter={onEnter}
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withLabel={withLabel}
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/>
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)
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}
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</Bare>
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);
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}
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export default React.memo(Amount);
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