@feugene/mu/dist/esm/format/number.mjs

Helpful TS utilities without dependencies

import isInteger from '../is/isInteger.mjs';
/**
 * Formatting number
 * @param {String|Number} value
 * @param {Number} decimals
 * @param {String} decPoint
 * @param {String} thousandsSeparator
 * @param {Boolean} clearDecimals
 * @returns {string}
 */
export default function number(value, decimals = 2, decPoint = '.', thousandsSeparator = ',', clearDecimals = false) {
    decimals = isNaN(decimals) ? 2 : Math.abs(decimals);
    const num = Number(value);
    const sign = num < 0 ? '-' : '';
    value = Math.abs(+num || 0);
    const intPart = parseInt(num.toFixed(decimals), 10) + '';
    // const intPartStr = intPart + ''
    const j = intPart.length > 3 ? intPart.length % 3 : 0;
    return (sign +
        (j ? intPart.slice(0, j) + thousandsSeparator : '') +
        intPart.slice(j).replace(/(\d{3})(?=\d)/g, '$1' + thousandsSeparator) +
        (decimals
            ? clearDecimals && isInteger(num)
                ? ''
                : decPoint +
                    Math.abs(num - +intPart)
                        .toFixed(decimals)
                        .slice(2)
            : ''));
}
export function numberRus(value, decimals = 2) {
    return number(value, decimals, '.', ' ', true);
}
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