@dnb/eufemia
Version:
DNB Eufemia Design System UI Library
54 lines (53 loc) • 1.91 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.formatDecimals = exports.countDecimals = void 0;
exports.roundHalfEven = roundHalfEven;
var _includes = _interopRequireDefault(require("core-js-pure/stable/instance/includes.js"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
function roundHalfEven(num, decimalPlaces = 2) {
const multiplier = Math.pow(10, decimalPlaces);
const adjustedNum = num * multiplier;
const floored = Math.floor(adjustedNum);
const diff = adjustedNum - floored;
if (diff > 0.5) {
return Math.ceil(adjustedNum) / multiplier;
} else if (diff < 0.5) {
return Math.floor(adjustedNum) / multiplier;
}
return floored % 2 === 0 ? floored / multiplier : Math.ceil(adjustedNum) / multiplier;
}
const formatDecimals = (value, decimals, rounding, opts = {}) => {
var _context;
decimals = parseFloat(String(decimals));
if (decimals >= 0) {
opts.minimumFractionDigits = decimals;
opts.maximumFractionDigits = decimals;
}
if ((0, _includes.default)(_context = String(value)).call(_context, '.')) {
const decimalPlaces = decimals || opts.maximumFractionDigits;
if (rounding === 'omit' || rounding === true) {
const factor = Math.pow(10, decimalPlaces);
value = Math.trunc(Number(value) * factor) / factor;
} else {
switch (rounding) {
case 'half-even':
{
value = roundHalfEven(Number(value), decimalPlaces);
break;
}
}
}
}
return value;
};
exports.formatDecimals = formatDecimals;
const countDecimals = (value, decimalSeparator = '.') => {
if (typeof value === 'number' && Math.floor(value.valueOf()) === value.valueOf()) {
return 0;
}
return String(value).split(decimalSeparator)[1]?.length || 0;
};
exports.countDecimals = countDecimals;
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