Adds Links page and fixes blog feed

website/src/components/LinksFeed.astro

@@ -0,0 +1,77 @@
+---
+import FormattedDate from '../components/FormattedDate.astro';
+import LINKS from '../data/links.ts';
+
+export interface Props {
+	headingLevel?: 1 | 2 | 3 | 4 | 5 | 6,
+	hideAuthor?: boolean,
+};
+
+const { headingLevel = 2, hideAuthor = false } = Astro.props;
+
+const headingElem = `h${headingLevel}`;
+const subHeadingElem = `h${headingLevel + 1}`
+
+const distinctYears: string[] = LINKS
+	.map(link => link.isoDateAdded.slice(0,4))
+	.reduce<string[]>((acc, curr) => acc.includes(curr) ? acc : [...acc, curr], [])
+	.sort((a, b) => Number.parseInt(b) - Number.parseInt(a));
+
+function matchesYear(year: string) {
+	return (link: (typeof LINKS)[number]) => link.isoDateAdded.slice(0,4) === year;
+}
+
+function sortByDateAddedDescending(link1: (typeof LINKS)[number], link2: (typeof LINKS)[number]) {
+	const year1 = Number.parseInt(link1.isoDateAdded.slice(0, 4));
+	const year2 = Number.parseInt(link2.isoDateAdded.slice(0, 4));
+	const month1 = Number.parseInt(link1.isoDateAdded.slice(5, 7));
+	const month2 = Number.parseInt(link2.isoDateAdded.slice(5, 7));
+	const day1 = Number.parseInt(link1.isoDateAdded.slice(8, 10));
+	const day2 = Number.parseInt(link2.isoDateAdded.slice(8, 10));
+
+	if (year1 !== year2) {
+		return year2 - year1;
+	} else if (month1 !== month2) {
+		return month2 - month1;
+	} else {
+		return day2 - day1;
+	}
+}
+
+const canonicalLinksUrl = new URL('links', Astro.site)
+---
+
+<section class="h-feed">
+	<Fragment set:html={`
+		<${headingElem} class="p-name">
+			My links
+		</${headingElem}>
+	`} />
+
+	<aside>
+		<p hidden={hideAuthor}>
+			These links are collected by <a class="p-author h-card" href="/">Joe Carstairs</a>
+		</p>
+
+		<p hidden>
+			<a class="u-url" href={canonicalLinksUrl}>Permalink</a>
+		</p>
+	</aside>
+
+	{ distinctYears.map(year => (
+		<Fragment set:html={`
+			<${subHeadingElem}>
+				${year}
+			</${subHeadingElem}>
+		`} />
+		<ul>
+			{ LINKS.filter(matchesYear(year)).sort(sortByDateAddedDescending).map(link => (
+				<li class="h-entry e-content">
+					<a class="u-url p-name" href={link.href}>{link.title}</a>.
+					{link.description}
+					Added: <FormattedDate date={link.isoDateAdded} />
+				</li>
+			)) }
+		</ul>
+	)) }
+</section>