market/src/@utils/numbers.ts

45 lines
1.4 KiB
TypeScript

import { formatCurrency } from '@coingecko/cryptoformat'
import { Decimal } from 'decimal.js'
export function formatNumber(
price: number,
locale: string,
decimals?: string
): string {
return formatCurrency(price, '', locale, false, {
// Not exactly clear what `significant figures` are for this library,
// but setting this seems to give us the formatting we want.
// See https://github.com/oceanprotocol/market/issues/70
significantFigures: 4,
...(decimals && { decimalPlaces: Number(decimals) })
})
}
// Run decimal.js comparison
// http://mikemcl.github.io/decimal.js/#cmp
export function compareAsBN(balance: string, price: string): boolean {
const aBN = new Decimal(balance)
const bBN = new Decimal(price)
const compare = aBN.comparedTo(bBN)
switch (compare) {
case 1: // balance is greater than price
case 0: // balance is equal to price
return true
default:
return false
}
}
// Random number from interval
export function randomIntFromInterval(min: number, max: number): number {
// min and max are included
return Math.floor(Math.random() * (max - min + 1) + min)
}
export function getMaxDecimalsValidation(max: number): RegExp {
// eslint-disable-next-line security/detect-non-literal-regexp
const maxDecimalsValidation = new RegExp('^\\d+(\\.\\d{1,' + max + '})?$')
return maxDecimalsValidation
}