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@naturalcycles/js-lib

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

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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 < 1024) return `${Math.round(b)} byte(s)`; if (b < 1024 ** 2) return `${(b / 1024).toPrecision(3)} Kb`; if (b < 1024 ** 3) return `${(b / 1024 ** 2).toPrecision(3)} Mb`; if (b < 1024 ** 4) return `${(b / 1024 ** 3).toPrecision(3)} Gb`; if (b < 1024 ** 5) return `${(b / 1024 ** 4).toPrecision(3)} Tb`; return `${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(c); if (c < 10 ** 6) return (c / 10 ** 3).toPrecision(3) + ' K'; if (c < 10 ** 9) return (c / 10 ** 6).toPrecision(3) + ' M'; // million if (c < 10 ** 12) return (c / 10 ** 9).toPrecision(3) + ' B'; // billion if (c < 10 ** 15) return (c / 10 ** 12).toPrecision(3) + ' T'; // trillion return Math.round(c / 10 ** 12) + ' T'; }