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template.html
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template.html
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<!doctype html>
<html>
<head>
<title>$title$</title>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<style>
body {
font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
margin: 0;
padding: 2rem;
background-color: #0f172a;
color: #e2e8f0;
line-height: 1.6;
font-size: 1.6rem;
}
.mono {
font-family: "SFMono-Regular", Consolas, "Liberation Mono", Menlo,
Courier, monospace;
}
a {
color: #0ea5e9;
text-decoration: none;
}
a:hover {
text-decoration: underline;
}
a:visited {
color: #6366f1;
}
h1 {
font-size: 2.5rem;
margin: 1rem 0;
}
ul {
padding: 0 0 0 2rem;
}
article {
display: none;
}
div.sourceCode {
filter: invert(1);
}
$styles.html()$
</style>
</head>
<body>
<div id="slider">
Depth:
<input type="range" id="depth" min="1" value="1" />
<span class="mono"
><span id="depth-value">1</span>/<span id="depth-max">1</span></span
>
</div>
$body$
<script>
const depth = document.getElementById("depth");
const h1s = document.querySelectorAll("h1");
h1s.forEach((h1, index) => {
// Create an article element to wrap content
const article = document.createElement("article");
// Insert the article before the h1
h1.parentNode.insertBefore(article, h1);
// Iterate over following siblings until the next h1 or end of body
let nextElem = h1.nextElementSibling;
while (nextElem && nextElem.tagName !== "H1") {
// Store current element to move
const currentElem = nextElem;
// Move to next sibling for next iteration
nextElem = currentElem.nextElementSibling;
// Move the current element into the article
article.appendChild(currentElem);
}
// Move the h1 into the article
article.insertBefore(h1, article.firstChild);
});
const articles = document.querySelectorAll("article");
depth.max = articles.length;
depth.value =
new URLSearchParams(window.location.search).get("depth") || 1;
document.getElementById("depth-max").textContent = depth.max;
const showArticle = (incomingIndex) => {
const index = parseInt(incomingIndex, 10);
Array.from(articles)
.reverse()
.forEach((article, i) => {
if (i + 1 === index) {
article.style.display = "block";
} else {
article.style.display = "none";
}
});
document.getElementById("depth-value").textContent = depth.value;
};
depth.addEventListener("input", (event) => {
articles.forEach((article, index) => {
showArticle(event.target.value);
});
});
showArticle(depth.value);
</script>
</body>
</html>