57 lines
2.0 KiB
TypeScript
57 lines
2.0 KiB
TypeScript
import { BigNumber } from '@0x/utils';
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import { Web3Wrapper } from '@0x/web3-wrapper';
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import * as _ from 'lodash';
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import { ETH_DECIMALS } from '../constants';
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export const format = {
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ethBaseAmount: (
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ethBaseAmount?: BigNumber,
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decimalPlaces: number = 4,
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defaultText: React.ReactNode = '0 ETH',
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): React.ReactNode => {
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if (_.isUndefined(ethBaseAmount)) {
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return defaultText;
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}
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const ethUnitAmount = Web3Wrapper.toUnitAmount(ethBaseAmount, ETH_DECIMALS);
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return format.ethUnitAmount(ethUnitAmount, decimalPlaces);
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},
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ethUnitAmount: (
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ethUnitAmount?: BigNumber,
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decimalPlaces: number = 4,
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defaultText: React.ReactNode = '0 ETH',
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): React.ReactNode => {
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if (_.isUndefined(ethUnitAmount)) {
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return defaultText;
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}
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const roundedAmount = ethUnitAmount.round(decimalPlaces).toDigits(decimalPlaces);
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return `${roundedAmount} ETH`;
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},
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ethBaseAmountInUsd: (
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ethBaseAmount?: BigNumber,
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ethUsdPrice?: BigNumber,
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decimalPlaces: number = 2,
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defaultText: React.ReactNode = '$0.00',
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): React.ReactNode => {
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if (_.isUndefined(ethBaseAmount) || _.isUndefined(ethUsdPrice)) {
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return defaultText;
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}
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const ethUnitAmount = Web3Wrapper.toUnitAmount(ethBaseAmount, ETH_DECIMALS);
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return format.ethUnitAmountInUsd(ethUnitAmount, ethUsdPrice, decimalPlaces);
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},
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ethUnitAmountInUsd: (
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ethUnitAmount?: BigNumber,
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ethUsdPrice?: BigNumber,
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decimalPlaces: number = 2,
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defaultText: React.ReactNode = '$0.00',
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): React.ReactNode => {
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if (_.isUndefined(ethUnitAmount) || _.isUndefined(ethUsdPrice)) {
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return defaultText;
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}
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return `$${ethUnitAmount.mul(ethUsdPrice).toFixed(decimalPlaces)}`;
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},
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ethAddress: (address: string): string => {
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return `0x${address.slice(2, 7)}…${address.slice(-5)}`;
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},
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};
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