mirror of
https://github.com/matrix-construct/construct
synced 2024-11-04 12:58:53 +01:00
151 lines
3.1 KiB
JavaScript
151 lines
3.1 KiB
JavaScript
/*
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* IRCd Charybdis 5/Matrix
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*
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* Copyright (C) 2017 Charybdis Development Team
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* Copyright (C) 2017 Jason Volk (jason@zemos.net)
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice is present in all copies.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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'use strict';
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/**************************************
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*
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* Space & Time
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*
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*/
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/**
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* Date & time tools
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*/
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mc.date =
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{
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now: () =>
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new Date().getTime(),
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unix: () =>
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mc.date.now() / 1000.0,
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ago: (epoch) =>
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mc.date.now() - epoch,
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};
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// Alias
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mc.now = () =>
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mc.date.now();
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// UTC suite
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mc.date.utc =
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{
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pretty: (epoch) =>
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new Date(epoch).toUTCString(),
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}
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// Locale suite
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mc.date.local =
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{
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pretty: (epoch) =>
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new Date(epoch).toLocaleString(),
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};
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// High resolution suite
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mc.date.perf =
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{
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now: () =>
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window.performance.now(),
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};
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// Convert numerical information into an english description
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mc.date.describe = {};
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/**
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* Describe a "time ago" for a past epoch in ms
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*/
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mc.date.describe.since = (ts, short = false) =>
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{
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let elapsed = mc.date.now() - ts;
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return mc.date.describe.elapsed(elapsed, short);
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}
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/**
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* Describe a "time ago" from a milliseconds param
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*/
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mc.date.describe.elapsed = (ms, short = false) =>
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{
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if(typeof(ms) != "number")
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return "";
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if(ms < 0)
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return "now";
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let order =
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{
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//Year: (ms / (1000 * 60 * 60 * 24 * 7 * 4 * 12)),
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Month: (ms / (1000 * 60 * 60 * 24 * 7 * 4)),
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Week: (ms / (1000 * 60 * 60 * 24 * 7)),
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Day: (ms / (1000 * 60 * 60 * 24)),
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hour: (ms / (1000 * 60 * 60)),
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minute: (ms / (1000 * 60)),
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second: (ms / (1000)),
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};
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for(let key in order)
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{
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let val = parseInt(order[key]);
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if(val <= 0.0001)
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continue;
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let unit = short? key[0] : " " + key;
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if(!short && val > 1)
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unit += 's';
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return "" + val + "" + unit;
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}
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return short? (ms + "ms") : "less than a second";
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};
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/**
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* Space / bytes tools
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*/
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mc.space = {};
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mc.space.describe = {};
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mc.space.describe.bytes = (bytes) =>
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{
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if(typeof(bytes) != "number")
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return "";
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let order =
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{
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TiB: (bytes / (1024 * 1024 * 1024 * 1024)),
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GiB: (bytes / (1024 * 1024 * 1024)),
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MiB: (bytes / (1024 * 1024)),
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KiB: (bytes / (1024)),
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B: bytes,
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};
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for(let key in order)
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{
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let val = order[key];
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if(val >= 1.0)
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return "" + val.toFixed(2) + " " + key;
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}
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return "" + bytes + " Bytes";
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};
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