Add eternalseptember.

This commit is contained in:
voussoir 2021-01-04 02:10:40 -08:00
parent a50576757b
commit 7e20d7abd2
3 changed files with 164 additions and 0 deletions

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<html>
<head>
<title class="eternalseptember_clock" data-eternalseptember-strftime="%Y-%m-%d">eternalseptember</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
<link rel="stylesheet" href="/static/common.css">
<style>
*, *:before, *:after
{
box-sizing: inherit;
}
html, body
{
margin: 0;
width: 100%;
height: 100%;
}
body
{
display: grid;
background-color: #0e0e0d;
}
#the_clock
{
color: #ddd;
font-size: 32pt;
justify-self: center;
align-self: center;
}
</style>
</head>
<body>
<center id="the_clock" class="eternalseptember_clock" data-eternalseptember-strftime="%A, %B %d, %Y %I:%M:%S %p" data-eternalseptember-tickrate="1000"></center>
</body>
<script src="/eternalseptember/eternalseptember.js" type="text/javascript"></script>
</html>

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const eternalseptember = {};
eternalseptember.EPOCH = new Date("1993-09-01T00:00:00");
eternalseptember.AM_PM = ["AM", "PM"];
eternalseptember.WEEKDAY_NAMES = [
"Sunday",
"Monday",
"Tuesday",
"Wednesday",
"Thursday",
"Friday",
"Saturday",
]
eternalseptember.WEEKDAY_ABBREVS = [
"Sun",
"Mon",
"Tue",
"Wed",
"Thu",
"Fri",
"Sat",
]
eternalseptember.MONTH_NAMES = [
"January",
"February",
"March",
"April",
"May",
"June",
"July",
"August",
"September",
"October",
"November",
"December",
]
eternalseptember.twelvehour =
function twelvehour(hour)
{
hour = parseInt(hour % 12);
if (hour === 0)
{
return 12;
}
return hour;
}
eternalseptember.strftime =
function strftime(date, format)
{
const diff = date - eternalseptember.EPOCH;
const diff_days = parseInt(diff / (1000*60*60*24));
const day_of_month = diff_days + 1
const day_of_year = diff_days + 244
let result = format;
result = result.replace(/(?<!%)%b/, 'Sep');
result = result.replace(/(?<!%)%B/, 'September');
result = result.replace(/(?<!%)%d/, day_of_month);
result = result.replace(/(?<!%)%-d/, day_of_month);
result = result.replace(/(?<!%)%j/, day_of_year);
result = result.replace(/(?<!%)%-j/, day_of_year);
result = result.replace(/(?<!%)%m/, '09');
result = result.replace(/(?<!%)%-m/, '9');
result = result.replace(/(?<!%)%Y/, '1993');
result = result.replace(/(?<!%)%y/, '93');
result = result.replace(/(?<!%)%A/, eternalseptember.WEEKDAY_NAMES[date.getDay()]);
result = result.replace(/(?<!%)%a/, eternalseptember.WEEKDAY_ABBREVS[date.getDay()]);
result = result.replace(/(?<!%)%w/, date.getDay());
result = result.replace(/(?<!%)%H/, String(date.getHours()).padStart(2, "0"));
result = result.replace(/(?<!%)%-H/, date.getHours());
result = result.replace(/(?<!%)%I/, String(eternalseptember.twelvehour(date.getHours())).padStart(2, "0"));
result = result.replace(/(?<!%)%-I/, eternalseptember.twelvehour(date.getHours()));
result = result.replace(/(?<!%)%M/, String(date.getMinutes()).padStart(2, "0"));
result = result.replace(/(?<!%)%-M/, date.getMinutes());
result = result.replace(/(?<!%)%S/, String(date.getSeconds()).padStart(2, "0"));
result = result.replace(/(?<!%)%-S/, date.getSeconds());
result = result.replace(/(?<!%)%p/, eternalseptember.AM_PM[+(date.getHours() > 12)]);
return result;
}
eternalseptember.init_clock =
function init_clock(clock)
{
const format = clock.dataset.eternalseptemberStrftime;
if (clock.dataset.eternalseptemberTickrate === undefined)
{
clock.innerText = eternalseptember.strftime(new Date(), format);
return;
}
const tickrate = parseInt(clock.dataset.eternalseptemberTickrate);
const ticktock = function ticktock()
{
clock.innerText = eternalseptember.strftime(new Date(), format);
setTimeout(ticktock, tickrate);
}
ticktock();
}
eternalseptember.init_clocks =
function init_clocks()
{
const clocks = Array.from(document.getElementsByClassName("eternalseptember_clock"));
for (const clock of clocks)
{
eternalseptember.init_clock(clock);
}
}
eternalseptember.on_pageload =
function on_pageload()
{
eternalseptember.init_clocks();
}
document.addEventListener("DOMContentLoaded", eternalseptember.on_pageload);

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@ -393,6 +393,8 @@ code { font-family: monospace; }
<p><a href="https://trac.ffmpeg.org/wiki/SubmitALogo">FFmpeg logo</a></p>
<p><a href="https://git-scm.com/downloads/logos">Git logo</a></p>
<p>Derivative artwork based on <a href="https://www.redditinc.com/brand">Reddit's</a> classic Snoo mascot</p>
<center class="eternalseptember_clock" data-eternalseptember-strftime="%A, %B %d, %Y"></center>
<script src="/eternalseptember/eternalseptember.js"></script>
</footer>
</body>
</html>