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github.html
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github.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<meta name="theme-color" content="#FFF" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<meta name="viewport" content="width=device-width,height=device-height,initial-scale=1,minimum-scale=1, maximum-scale=1, user-scalable=no, viewport-fit=cover" />
<title>Easter egg for GitHub</title>
<link rel="shortcut icon" type="image/x-icon" href="https://gw.alipayobjects.com/zos/k/vx/favicon.svg" />
<style>
@font-face {
font-family: 'JetBrains Mono';
src: url('https://gw.alipayobjects.com/os/k/app/JetBrainsMono-Regular.ttf') format('truetype');
}
* {
font-family: JetBrains Mono, SF Mono, PingFang SC, Hiragino Sans GB, Microsoft YaHei, Helvetica Neue, Helvetica, Arial, sans-serif;
}
body {
height: 100vh;
color: #fff;
background: #15141a;
margin: 0;
font-size: 14px;
line-height: 1.4;
}
</style>
</head>
<body>
<script>
let styles = `\
/*
* Open source is a fascinating endeavor.
* It's a treasure trove of learning and intriguing ideas.
* Let's draw a Github Octocat to honor open source contributors.
*/
/* Starting with a 'pre' tag for coding */
pre {
color: #61ffca;
width: 100%;
height: 100%;
position: absolute;
top: 0;
box-sizing: border-box;
padding: 24px 16px;
margin-top: 0;
overflow-y: auto;
transition: all 500ms;
}
/* Not a fan of italics, let's straighten them out. */
pre em {
font-style: normal;
}
/* Time to highlight our code. */
.selector,
.selector .key {
color: #f694ff;
}
.key,
.comment {
color: #edecee;
}
.value {
color: #ffca85;
}
/* To better draw the Octocat, let's move the code down. */
pre {
top: 42%;
height: 58%;
}
/* Having set up the container, let's get started. */
.github-box {
width: 100%;
height: 42%;
background: #fff;
position: absolute;
top: 0;
display: flex;
align-items: center;
justify-content: center;
}
/* Phew, drawing isn't easy, maybe start with a circle. */
.github {
width: 200px;
height: 200px;
background: #15141a;
border-radius: 50%;
margin: auto;
display: block;
position: relative;
}
/* Ha, because I fiddled with the styles, it might look a bit long~ */
.github::before,
.github::after,
.github > i::before,
.github > i::after,
.github > i > i::before,
.github > i > i::after {
content: '';
display: block;
position: absolute;
background-color: #fff;
}
/* he face seems to go like this. */
.github::before {
width: 120px;
height: 108px;
top: 41px;
left: 40px;
border-radius: 50%;
box-shadow: 16px 0px 0 -6px #fff, -16px 0px 0 -6px #fff;
}
/* Let's sketch a simple neck. */
.github::after {
width: 46px;
height: 62px;
border-radius: 14px 14px 0 0;
top: 140px;
left: 77px;
}
/* Ears seem to work like this. */
.github > i::before {
width: 40px;
height: 40px;
border-radius: 15% 70% 15% 70%;
top: 35px;
left: 40px;
transform: rotate(11deg);
}
/* Another ear coming up. */
.github > i::after {
width: 40px;
height: 40px;
border-radius: 15% 70% 15% 70%;
top: 35px;
right: 40px;
transform: rotate(79deg);
}
/* Ha ha, the tail is a bit tricky, isn't it? */
.github > i > i::before {
width: 40px;
height: 40px;
border-radius: 50% 50%;
top: 121px;
left: 40px;
background: transparent;
border-bottom: 14px solid #fff;
border-left: 6px solid transparent;
border-right: 12px solid transparent;
transform: rotate(15deg);
}
/* Let's try another one and see how it goes. */
.github > i > i::after {
width: 28px;
height: 28px;
border-radius: 50% 50%;
top: 140px;
left: 12px;
background: transparent;
border-top: 9px solid #fff;
border-left: 1px solid transparent;
border-right: 12px solid transparent;
transform: rotate(39deg);
}
/* All right, that's it, we've got it！*/
/*
* You never win by quantity, creativity is your lifeblood.
* With just a computer, you're ready to create.
* Reigning far and wide, you slay from afar.
* Hidden in the bustle, you wander among the many.
* Not just a coder, you are an engineer with limitless potential.
* May you always write the code you love~
*/
`;
const getStyleHtml = function () {
return document.getElementById('style-text').innerHTML;
};
let openComment = false;
const writeStyleChar = function (which) {
if (which === '/' && !openComment) {
openComment = true;
styles = getStyleHtml() + which;
} else if (which === '/' && openComment) {
openComment = false;
styles = getStyleHtml().replace(
/(\/[^\/]*\*)$/,
'<em class="comment">$1/</em>',
);
} else if (which === ':') {
styles = getStyleHtml().replace(
/([a-zA-Z- ^\n]*)$/,
'<em class="key">$1</em>:',
);
} else if (which === ';') {
styles = getStyleHtml().replace(
/([^:]*)$/,
'<em class="value">$1</em>;',
);
} else if (which === '{') {
styles = getStyleHtml().replace(
/(.*)$/,
'<em class="selector">$1</em>{',
);
} else {
styles = getStyleHtml() + which;
}
document.getElementById('style-text').innerHTML = styles;
return document
.getElementById('style-tag')
.insertAdjacentHTML('beforeend', which);
};
const writeStyles = function (message, index, interval) {
if (index < message.length) {
const pre = document.getElementById('style-text');
pre.scrollTop = pre.scrollHeight;
writeStyleChar(message[index++]);
return setTimeout(
() => writeStyles(message, index, interval),
interval,
);
}
};
document.body.insertAdjacentHTML(
'beforeend',
`\<style id="style-tag"></style>
<div class="github-box">
<span class="github"><i><i></i></i></span>
</div>
<pre id="style-text"></pre>\
`,
);
writeStyles(styles, 0, 20);
</script>
</body>
</html>