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---
interface Props {
title: string;
description?: string;
authors?: string[];
published?: string;
tags?: string[];
image?: string; // Preferred absolute URL
}
const { title, description = '', authors = [], published, tags = [], image } = Astro.props as Props;
const url = Astro.url?.toString?.() ?? '';
const site = (Astro.site ? String(Astro.site) : '') as string;
const ogImage = image && image.length > 0
? (image.startsWith('http') ? image : (site ? new URL(image, site).toString() : image))
: undefined;
const jsonLd = {
'@context': 'https://schema.org',
'@type': 'Article',
headline: title,
description: description || undefined,
datePublished: published || undefined,
author: authors.map((name) => ({ '@type': 'Person', name })),
keywords: tags.length ? tags.join(', ') : undefined,
mainEntityOfPage: url || undefined,
image: ogImage ? [ogImage] : undefined,
};
---
<title>{title}</title>
<meta name="description" content={description} />
<link rel="canonical" href={url} />
<meta property="og:type" content="article" />
<meta property="og:title" content={title} />
{description && <meta property="og:description" content={description} />}
<meta property="og:url" content={url} />
{ogImage && <meta property="og:image" content={ogImage} />}
{published && <meta property="article:published_time" content={published} />}
{authors.map(a => <meta property="article:author" content={a} />)}
<meta name="twitter:card" content={ogImage ? 'summary_large_image' : 'summary'} />
<meta name="twitter:title" content={title} />
{description && <meta name="twitter:description" content={description} />}
{ogImage && <meta name="twitter:image" content={ogImage} />}
<script type="application/ld+json" set:html={JSON.stringify(jsonLd)} />
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