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import type { FunctionalComponent } from 'preact';
import { h } from 'preact';
import { useState, useEffect, useRef } from 'preact/hooks';
import EditOnGithub from './EditOnGithub';
const DocSidebar: FunctionalComponent<{ headers: any[]; editHref: string }> = ({
headers = [],
editHref,
}) => {
const itemOffsets = useRef([]);
const [activeId, setActiveId] = useState<string>(undefined);
useEffect(() => {
const getItemOffsets = () => {
const titles = document.querySelectorAll('article :is(h1, h2, h3, h4)');
itemOffsets.current = Array.from(titles).map((title) => ({
id: title.id,
topOffset: title.getBoundingClientRect().top + window.scrollY,
}));
};
getItemOffsets();
window.addEventListener('resize', getItemOffsets);
return () => {
window.removeEventListener('resize', getItemOffsets);
};
}, []);
return (
<nav class="sidebar-nav">
<div class="sidebar-nav-inner">
<h2 class="heading">On this page</h2>
<ul>
<li
class={`header-link depth-2 ${
activeId === 'overview' ? 'active' : ''
}`.trim()}
>
<a href="#overview">Overview</a>
</li>
{headers
.filter(({ depth }) => depth > 1 && depth < 4)
.map((header) => (
<li
class={`header-link depth-${header.depth} ${
activeId === header.slug ? 'active' : ''
}`.trim()}
>
<a href={`#${header.slug}`}>{header.text}</a>
</li>
))}
</ul>
<h2 class="heading">More</h2>
<ul>
<li class={`header-link depth-2`}>
<EditOnGithub href={editHref} />
</li>
<li class={`header-link depth-2`}>
<a
href="https://github.com/snowpackjs/astro/issues/new/choose"
target="_blank"
>
<svg
aria-hidden="true"
focusable="false"
data-prefix="fas"
data-icon="bug"
class="svg-inline--fa fa-bug fa-w-16"
role="img"
xmlns="http://www.w3.org/2000/svg"
viewBox="0 0 512 512"
height="1em"
width="1em"
>
<path
fill="currentColor"
d="M511.988 288.9c-.478 17.43-15.217 31.1-32.653 31.1H424v16c0 21.864-4.882 42.584-13.6 61.145l60.228 60.228c12.496 12.497 12.496 32.758 0 45.255-12.498 12.497-32.759 12.496-45.256 0l-54.736-54.736C345.886 467.965 314.351 480 280 480V236c0-6.627-5.373-12-12-12h-24c-6.627 0-12 5.373-12 12v244c-34.351 0-65.886-12.035-90.636-32.108l-54.736 54.736c-12.498 12.497-32.759 12.496-45.256 0-12.496-12.497-12.496-32.758 0-45.255l60.228-60.228C92.882 378.584 88 357.864 88 336v-16H32.666C15.23 320 .491 306.33.013 288.9-.484 270.816 14.028 256 32 256h56v-58.745l-46.628-46.628c-12.496-12.497-12.496-32.758 0-45.255 12.498-12.497 32.758-12.497 45.256 0L141.255 160h229.489l54.627-54.627c12.498-12.497 32.758-12.497 45.256 0 12.496 12.497 12.496 32.758 0 45.255L424 197.255V256h56c17.972 0 32.484 14.816 31.988 32.9zM257 0c-61.856 0-112 50.144-112 112h224C369 50.144 318.856 0 257 0z"
></path>
</svg>
<span>Report a bug</span>
</a>
</li>
<li class={`header-link depth-2`}>
<a href="https://astro.build/chat" target="_blank">
<svg
aria-hidden="true"
focusable="false"
data-prefix="fas"
data-icon="comment-alt"
class="svg-inline--fa fa-comment-alt fa-w-16"
role="img"
xmlns="http://www.w3.org/2000/svg"
viewBox="0 0 512 512"
height="1em"
width="1em"
>
<path
fill="currentColor"
d="M448 0H64C28.7 0 0 28.7 0 64v288c0 35.3 28.7 64 64 64h96v84c0 9.8 11.2 15.5 19.1 9.7L304 416h144c35.3 0 64-28.7 64-64V64c0-35.3-28.7-64-64-64z"
></path>
</svg>
<span>Join the community</span>
</a>
</li>
</ul>
</div>
</nav>
);
};
export default DocSidebar;
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