@easymoney/money/dist/calculator/round.js

Best way to do money in js

import { isEven, isHalf } from "../number/number";
import { RoundingModes } from "@easymoney/core";
export function roundHalfEven(number) {
    const rounded = Math.round(number);
    return isHalf(number) ? (isEven(rounded) ? rounded : rounded - 1) : rounded;
}
export function roundHalfUp(number) {
    return -Math.sign(number) * Math.ceil(-Math.abs(number) - 0.5);
}
export function roundHalfDown(number) {
    return -Math.sign(number) * Math.floor(-Math.abs(number) + 0.5);
}
export function roundNegativeInfinity(number) {
    return -Math.ceil(-number);
}
export function roundPositiveInfinity(number) {
    return -Math.floor(-number);
}
export function roundTowardsZero(number) {
    return -Math.sign(number) * Math.ceil(-Math.abs(number));
}
export function roundAwayFromZero(number) {
    return -Math.sign(number) * Math.floor(-Math.abs(number));
}
export function customRound(number, roundType) {
    const roundTypes = {
        [RoundingModes.HALF_EVEN]: roundHalfEven,
        [RoundingModes.HALF_UP]: roundHalfUp,
        [RoundingModes.HALF_DOWN]: roundHalfDown,
        [RoundingModes.FLOOR]: roundNegativeInfinity,
        [RoundingModes.CEILING]: roundPositiveInfinity,
        [RoundingModes.DOWN]: roundTowardsZero,
        [RoundingModes.UP]: roundAwayFromZero
    };
    return roundTypes[roundType](number);
}
//# sourceMappingURL=round.js.map