104 lines
3.0 KiB
TypeScript
104 lines
3.0 KiB
TypeScript
// Copyright 2017-2020 @polkadot/react-query 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 { Compact } from '@polkadot/types';
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import { formatBalance } from '@polkadot/util';
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import { useTranslation } from './translate';
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interface Props {
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children?: React.ReactNode;
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className?: string;
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isShort?: boolean;
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label?: React.ReactNode;
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labelPost?: string;
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value?: Compact<any> | BN | string | null | 'all';
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withCurrency?: boolean;
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withSi?: boolean;
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}
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// for million, 2 * 3-grouping + comma
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const M_LENGTH = 6 + 1;
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const K_LENGTH = 3 + 1;
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function format (value: Compact<any> | BN | string, withCurrency = true, withSi?: boolean, _isShort?: boolean, labelPost?: string): React.ReactNode {
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const [prefix, postfix] = formatBalance(value, { forceUnit: '-', withSi: false }).split('.');
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const isShort = _isShort || (withSi && prefix.length >= K_LENGTH);
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const unitPost = withCurrency ? ` ${formatBalance.getDefaults().unit}` : '';
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if (prefix.length > M_LENGTH) {
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const [major, rest] = formatBalance(value, { withUnit: false }).split('.');
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const minor = rest.substr(0, 3);
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const unit = rest.substr(3);
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return <>{major}.<span className='ui--FormatBalance-postfix'>{minor}</span><span className='ui--FormatBalance-unit'>{unit}{unitPost}</span>{labelPost || ''}</>;
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}
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return <>{`${prefix}${isShort ? '' : '.'}`}{!isShort && <span className='ui--FormatBalance-postfix'>{`000${postfix || ''}`.slice(-3)}</span>}<span className='ui--FormatBalance-unit'>{unitPost}</span>{labelPost || ''}</>;
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}
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function FormatBalance ({ children, className = '', isShort, label, labelPost, value, withCurrency, withSi }: Props): React.ReactElement<Props> {
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const { t } = useTranslation();
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// labelPost here looks messy, however we ensure we have one less text node
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return (
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<div className={`ui--FormatBalance ${className}`}>
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{label || ''}<span className='ui--FormatBalance-value'>{
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value
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? value === 'all'
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? t<string>('everything{{labelPost}}', { replace: { labelPost } })
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: format(value, withCurrency, withSi, isShort, labelPost)
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: `-${labelPost || ''}`
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}</span>{children}
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</div>
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);
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}
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export default React.memo(styled(FormatBalance)`
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display: inline-block;
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vertical-align: baseline;
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white-space: nowrap;
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* {
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vertical-align: baseline !important;
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}
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> label,
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> .label {
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display: inline-block;
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margin-right: 0.25rem;
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vertical-align: baseline;
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}
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.ui--FormatBalance-unit {
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font-size: 0.85em;
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}
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.ui--FormatBalance-value {
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text-align: right;
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> .ui--FormatBalance-postfix {
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font-weight: 100;
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opacity: 0.7;
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vertical-align: baseline;
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}
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}
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> .ui--Button {
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margin-left: 0.25rem;
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}
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.ui--Icon {
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margin-bottom: -0.25rem;
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margin-top: 0.25rem;
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}
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.ui--Icon+.ui--FormatBalance-value {
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margin-left: 0.375rem;
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}
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`);
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