66 lines
1.7 KiB
TypeScript
66 lines
1.7 KiB
TypeScript
// Copyright 2017-2019 @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 { AccountId, AccountIndex, Address } from '@polkadot/types/interfaces';
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import { BareProps } from './types';
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import BN from 'bn.js';
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import React from 'react';
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import { formatBalance } from '@polkadot/util';
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import { Balance } from '@polkadot/react-query';
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import { classes } from './util';
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export interface Props extends BareProps {
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balance?: BN | BN[];
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label?: React.ReactNode;
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params?: AccountId | AccountIndex | Address | string | Uint8Array | null;
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withLabel?: boolean;
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}
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function renderProvided ({ balance, className, label, style }: Props): React.ReactNode {
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let value = `${formatBalance(Array.isArray(balance) ? balance[0] : balance)}`;
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if (Array.isArray(balance)) {
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const totals = balance.filter((_, index): boolean => index !== 0);
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const total = totals.reduce((total, value): BN => total.add(value), new BN(0)).gtn(0)
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? `(+${totals.map((balance): string => formatBalance(balance)).join(', ')})`
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: '';
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value = `${value} ${total}`;
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}
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return (
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<div
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className={classes('ui--Balance', className)}
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style={style}
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>
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{label}{value}
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</div>
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);
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}
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export default function BalanceDisplay (props: Props): React.ReactElement<Props> | null {
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const { balance, className, label, params, style } = props;
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if (!params) {
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return null;
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}
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return balance
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? (
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<>
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{renderProvided(props)}
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</>
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)
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: (
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<Balance
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className={classes('ui--Balance', className)}
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label={label}
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params={params}
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style={style}
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/>
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);
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}
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