mirror of
https://github.com/matrix-construct/construct
synced 2024-11-18 16:00:57 +01:00
139 lines
2.5 KiB
JavaScript
139 lines
2.5 KiB
JavaScript
/*
|
|
// Matrix Construct
|
|
//
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2018 Jason Volk <jason@zemos.net>
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice is present in all copies. The
|
|
// full license for this software is available in the LICENSE file.
|
|
*/
|
|
|
|
'use strict';
|
|
|
|
/**************************************
|
|
*
|
|
* Space & Time
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* Date & time tools
|
|
*/
|
|
mc.date =
|
|
{
|
|
now: () =>
|
|
new Date().getTime(),
|
|
|
|
unix: () =>
|
|
mc.date.now() / 1000.0,
|
|
|
|
ago: (epoch) =>
|
|
mc.date.now() - epoch,
|
|
};
|
|
|
|
// Alias
|
|
mc.now = () =>
|
|
mc.date.now();
|
|
|
|
// UTC suite
|
|
mc.date.utc =
|
|
{
|
|
pretty: (epoch) =>
|
|
new Date(epoch).toUTCString(),
|
|
}
|
|
|
|
// Locale suite
|
|
mc.date.local =
|
|
{
|
|
pretty: (epoch) =>
|
|
new Date(epoch).toLocaleString(),
|
|
};
|
|
|
|
// High resolution suite
|
|
mc.date.perf =
|
|
{
|
|
now: () =>
|
|
window.performance.now(),
|
|
};
|
|
|
|
// Convert numerical information into an english description
|
|
mc.date.describe = {};
|
|
|
|
/**
|
|
* Describe a "time ago" for a past epoch in ms
|
|
*/
|
|
mc.date.describe.since = (ts, short = false) =>
|
|
{
|
|
let elapsed = mc.date.now() - ts;
|
|
return mc.date.describe.elapsed(elapsed, short);
|
|
}
|
|
|
|
/**
|
|
* Describe a "time ago" from a milliseconds param
|
|
*/
|
|
mc.date.describe.elapsed = (ms, short = false) =>
|
|
{
|
|
if(typeof(ms) != "number")
|
|
return "";
|
|
|
|
if(ms < 0)
|
|
return "now";
|
|
|
|
let order =
|
|
{
|
|
//Year: (ms / (1000 * 60 * 60 * 24 * 7 * 4 * 12)),
|
|
Month: (ms / (1000 * 60 * 60 * 24 * 7 * 4)),
|
|
Week: (ms / (1000 * 60 * 60 * 24 * 7)),
|
|
Day: (ms / (1000 * 60 * 60 * 24)),
|
|
hour: (ms / (1000 * 60 * 60)),
|
|
minute: (ms / (1000 * 60)),
|
|
second: (ms / (1000)),
|
|
};
|
|
|
|
for(let key in order)
|
|
{
|
|
let val = parseInt(order[key]);
|
|
if(val <= 0.0001)
|
|
continue;
|
|
|
|
let unit = short? key[0] : " " + key;
|
|
if(!short && val > 1)
|
|
unit += 's';
|
|
|
|
return "" + val + "" + unit;
|
|
}
|
|
|
|
return short? (ms + "ms") : "less than a second";
|
|
};
|
|
|
|
/**
|
|
* Space / bytes tools
|
|
*/
|
|
mc.space = {};
|
|
mc.space.describe = {};
|
|
|
|
mc.space.describe.bytes = (bytes) =>
|
|
{
|
|
if(typeof(bytes) != "number")
|
|
return "";
|
|
|
|
let order =
|
|
{
|
|
TiB: (bytes / (1024 * 1024 * 1024 * 1024)),
|
|
GiB: (bytes / (1024 * 1024 * 1024)),
|
|
MiB: (bytes / (1024 * 1024)),
|
|
KiB: (bytes / (1024)),
|
|
B: bytes,
|
|
};
|
|
|
|
for(let key in order)
|
|
{
|
|
let val = order[key];
|
|
if(val >= 1.0)
|
|
return "" + val.toFixed(2) + " " + key;
|
|
}
|
|
|
|
return "" + bytes + " Bytes";
|
|
};
|