@naturalcycles/js-lib/dist/unit/size.util.js

Standard library for universal (browser + Node.js) javascript

export function _gb(b) {
    return Math.round(b / 1024 ** 3);
}
export function _mb(b) {
    return Math.round(b / 1024 ** 2);
}
export function _kb(b) {
    return Math.round(b / 1024);
}
/**
 * Byte size to Human byte size string
 */
export function _hb(b = 0) {
    if (b < 100)
        return `${Math.round(b)} byte(s)`;
    if (b < 1000)
        return `${(b / 1024).toFixed(2)} Kb`;
    if (b < 0.9 * 1024 ** 2)
        return `${Math.round(b / 1024)} Kb`;
    if (b < 0.9 * 1024 ** 3)
        return `${Math.round(b / 1024 ** 2)} Mb`;
    if (b < 0.09 * 1024 ** 4)
        return `${(b / 1024 ** 3).toFixed(2)} Gb`;
    if (b < 0.9 * 1024 ** 4)
        return `${Math.round(b / 1024 ** 3)} Gb`;
    if (b < 0.9 * 1024 ** 5)
        return `${(b / 1024 ** 4).toFixed(2)} Tb`;
    return `${Math.round(b / 1024 ** 4)} Tb`;
}
/**
 * hc stands for "human count", similar to "human bytes" `_hb` function.
 * Helpful to print big numbers, as it adds `K` (kilo), `M` (mega), etc to make
 * them more readable.
 */
export function _hc(c = 0) {
    if (c < 10 ** 4)
        return String(Math.round(c));
    if (c < 10 ** 6)
        return Math.round(c / 10 ** 3) + ' K';
    if (c < 10 ** 9)
        return Math.round(c / 10 ** 6) + ' M'; // million
    if (c < 10 ** 12)
        return Math.round(c / 10 ** 9) + ' B'; // billion
    if (c < 10 ** 15)
        return Math.round(c / 10 ** 12) + ' T'; // trillion
    return Math.round(c / 10 ** 12) + ' T';
}