49 lines
1.2 KiB
TypeScript
49 lines
1.2 KiB
TypeScript
// Copyright 2017-2020 @polkadot/react-components 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 BN from 'bn.js';
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import React from 'react';
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import styled from 'styled-components';
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import { UInt } from '@polkadot/types';
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import { bnToBn, isBn, isUndefined } from '@polkadot/util';
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interface Props {
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className?: string;
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percent?: BN | number;
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total?: UInt | BN | number;
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value?: UInt | BN | number;
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}
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function Progress ({ className = '', percent, total, value }: Props): React.ReactElement<Props> | null {
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const _total = bnToBn(total);
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const _value = bnToBn(value);
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const width = _total.gtn(0)
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? (100.0 * _value.toNumber() / _total.toNumber())
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: isBn(percent)
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? percent.toNumber()
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: percent;
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if (isUndefined(width) || width < 0) {
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return null;
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}
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return (
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<div className={`ui--Progress ${className}`}>
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<div style={{ width: `${width}%` }} />
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</div>
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);
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}
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export default React.memo(styled(Progress)`
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background: rgba(0, 0, 0, 0.05);
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border-radius: 0.25rem;
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margin: 1em 0 2.5em;
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overflow: hidden;
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> div {
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height: 0.25rem;
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min-width: 0;
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}
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`);
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