76 lines
1.9 KiB
TypeScript
76 lines
1.9 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 { 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 { Balance, FormatBalance } from '@polkadot/react-query';
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import { classes } from './util';
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export interface RenderProps extends BareProps {
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className?: string;
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label?: React.ReactNode;
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value?: BN | BN[];
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}
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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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export function renderProvided ({ className, label, value }: RenderProps): React.ReactNode {
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let others: undefined | React.ReactNode;
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if (Array.isArray(value)) {
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const totals = value.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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if (total) {
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others = totals.map((balance, index): React.ReactNode =>
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<FormatBalance key={index} value={balance} />
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);
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}
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}
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return (
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<FormatBalance
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className={classes('ui--Balance', className)}
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label={label}
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value={Array.isArray(value) ? value[0] : value}
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>
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{others && (
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<span> (+{others})</span>
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)}
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</FormatBalance>
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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({ className, label, value: balance })}
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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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