62 lines
1.1 KiB
JavaScript
62 lines
1.1 KiB
JavaScript
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/*
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* Copyright (C) Sapphirecode - All Rights Reserved
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* This file is part of consts which is released under MIT.
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* See file 'LICENSE' for full license details.
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* Created by Timo Hocker <timo@scode.ovh>, December 2020
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*/
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/* eslint-disable sort-keys */
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'use strict';
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function is_leap (year) {
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return year % 4 === 0 && (year % 100 !== 0 || year % 400 === 0);
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}
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function base (second = 1) {
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const ms = second / 1000;
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const us = ms / 1000;
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const ns = us / 1000;
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const minute = second * 60;
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const hour = minute * 60;
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const day = hour * 24;
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const week = day * 7;
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const year = (y) => {
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const days = is_leap (y) ? 366 : 365;
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return days * day;
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};
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const month = (m, y) => {
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let days = 0;
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if (m === 2)
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days = is_leap (y) ? 29 : 28;
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else if (m < 8)
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days = 30 + (m % 2);
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else
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days = 31 - (m % 2);
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return days * day;
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};
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return {
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ns,
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us,
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ms,
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second,
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minute,
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hour,
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day,
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week,
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month,
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year
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};
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}
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module.exports = {
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base_s: base (1),
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base_ms: base (1e3),
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base_us: base (1e6),
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base_ns: base (1e9),
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base
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};
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