shlink-web-client/src/utils/helpers/numbers.ts

const TEN_ROUNDING_NUMBER = 10;
const { ceil } = Math;
const formatter = new Intl.NumberFormat('en-US');

export const prettify = (number: number) => formatter.format(number);

export const roundTen = (number: number) => ceil(number / TEN_ROUNDING_NUMBER) * TEN_ROUNDING_NUMBER;