HangerThem
fd96e4b7fc
- Add sitemap.ts and robots.ts - pageMetadata() helper: consistent title, canonical URL, Open Graph, Twitter card and feed alternate on every page - Generated OG images: a site card, and per post either the cover image or a branded title card (pre-rendered at build) - BlogPosting JSON-LD on post pages - Fail fast with a clear error when SITE_URL is missing Content loading: - Validate post frontmatter at build time and normalize dates to ISO (fixes invalid <time datetime> values) - Add draft: true support (drafts only render in development) - Cache markdown rendering so metadata and page share one render - Replace the three copy-pasted about/projects/setup pages with a shared MarkdownPage component Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
81 lines
2.8 KiB
TypeScript
81 lines
2.8 KiB
TypeScript
import fs from 'fs'
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import path from 'path'
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import { ImageResponse } from 'next/og'
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import { SITE_NAME, SITE_URL } from '@/app/metadata'
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export const ogImageSize = { width: 1200, height: 630 }
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const colors = { bg: '#040404', fg: '#e0e0e0', fgDim: '#b0b0b0', accent: '#ef1f1f' }
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function toDataUri(filePath: string, mime: string) {
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return `data:${mime};base64,${fs.readFileSync(filePath).toString('base64')}`
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}
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const logo = toDataUri(path.join(process.cwd(), 'public/logo.png'), 'image/png')
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type OgCardProps = {
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title: string
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description?: string
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eyebrow?: string
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}
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/** Renders the branded title card used for pages and posts without a cover image. */
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export function renderOgCard({ title, description, eyebrow }: OgCardProps) {
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return new ImageResponse(
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<div
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style={{
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width: '100%',
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height: '100%',
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display: 'flex',
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flexDirection: 'column',
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justifyContent: 'space-between',
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padding: '64px 72px',
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background: colors.bg,
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color: colors.fg,
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borderLeft: `16px solid ${colors.accent}`,
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}}
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>
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<div style={{ display: 'flex', flexDirection: 'column', gap: 20 }}>
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{eyebrow && (
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<div style={{ fontSize: 28, color: colors.accent, textTransform: 'uppercase' }}>
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{eyebrow}
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</div>
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)}
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<div style={{ fontSize: title.length > 50 ? 60 : 76, fontWeight: 700, lineHeight: 1.1 }}>
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{title}
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</div>
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{description && (
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<div style={{ fontSize: 30, color: colors.fgDim, lineHeight: 1.4, maxHeight: 130 }}>
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{description.length > 140 ? description.slice(0, 137).trimEnd() + '…' : description}
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</div>
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)}
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</div>
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<div style={{ display: 'flex', alignItems: 'center', gap: 16, fontSize: 30 }}>
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{/* oxlint-disable-next-line nextjs/no-img-element -- Satori renders plain <img> only */}
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<img src={logo} width={48} height={48} alt="" />
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<span style={{ fontWeight: 700 }}>{SITE_NAME}</span>
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<span style={{ color: colors.fgDim }}>{SITE_URL.replace(/^https?:\/\//, '')}</span>
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</div>
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</div>,
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ogImageSize,
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)
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}
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const coverMimeTypes: Record<string, string> = {
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'.png': 'image/png',
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'.jpg': 'image/jpeg',
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'.jpeg': 'image/jpeg',
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}
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/** Renders a post's cover image at OG size, or null if the format isn't supported by Satori. */
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export function renderOgCover(coverImage: string) {
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const mime = coverMimeTypes[path.extname(coverImage).toLowerCase()]
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if (!mime) return null
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const src = toDataUri(path.join(process.cwd(), 'public/posts', coverImage), mime)
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return new ImageResponse(
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// oxlint-disable-next-line nextjs/no-img-element -- Satori renders plain <img> only
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<img src={src} width={ogImageSize.width} height={ogImageSize.height} alt="" />,
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ogImageSize,
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)
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}
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