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@ -1,9 +1,80 @@
@@ -1,9 +1,80 @@
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import { useFetchWebMetadata } from '@/hooks/useFetchWebMetadata' |
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import { useFetchEvent } from '@/hooks/useFetchEvent' |
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import { useFetchProfile } from '@/hooks/useFetchProfile' |
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import { ExtendedKind } from '@/constants' |
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import { getLongFormArticleMetadataFromEvent } from '@/lib/event-metadata' |
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import { cn } from '@/lib/utils' |
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import { useContentPolicy } from '@/providers/ContentPolicyProvider' |
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import { useScreenSize } from '@/providers/ScreenSizeProvider' |
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import { ExternalLink } from 'lucide-react' |
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import { nip19, kinds } from 'nostr-tools' |
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import { useMemo } from 'react' |
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import Image from '../Image' |
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import { SimpleUserAvatar } from '../UserAvatar' |
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import Username from '../Username' |
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// Helper function to get event type name
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function getEventTypeName(kind: number): string { |
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switch (kind) { |
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case kinds.ShortTextNote: |
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return 'Text Post' |
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case kinds.LongFormArticle: |
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return 'Longform Article' |
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case ExtendedKind.PICTURE: |
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return 'Picture' |
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case ExtendedKind.VIDEO: |
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return 'Video' |
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case ExtendedKind.SHORT_VIDEO: |
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return 'Short Video' |
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case ExtendedKind.POLL: |
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return 'Poll' |
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case ExtendedKind.COMMENT: |
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return 'Comment' |
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case ExtendedKind.VOICE: |
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return 'Voice Post' |
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case ExtendedKind.VOICE_COMMENT: |
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return 'Voice Comment' |
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case kinds.Highlights: |
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return 'Highlight' |
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case ExtendedKind.PUBLICATION: |
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return 'Publication' |
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case ExtendedKind.PUBLICATION_CONTENT: |
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return 'Publication Content' |
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case ExtendedKind.WIKI_ARTICLE: |
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return 'Wiki Article' |
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case ExtendedKind.WIKI_ARTICLE_MARKDOWN: |
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return 'Wiki Article' |
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case ExtendedKind.DISCUSSION: |
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return 'Discussion' |
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default: |
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return `Event (kind ${kind})` |
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} |
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} |
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// Helper function to extract and strip markdown/asciidoc for preview
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function stripMarkdown(content: string): string { |
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let text = content |
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// Remove markdown headers
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text = text.replace(/^#{1,6}\s+/gm, '') |
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// Remove markdown bold/italic
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text = text.replace(/\*\*([^*]+)\*\*/g, '$1') |
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text = text.replace(/\*([^*]+)\*/g, '$1') |
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// Remove markdown links
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text = text.replace(/\[([^\]]+)\]\([^)]+\)/g, '$1') |
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// Remove asciidoc headers
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text = text.replace(/^=+\s+/gm, '') |
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// Remove asciidoc bold/italic
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text = text.replace(/\*\*([^*]+)\*\*/g, '$1') |
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text = text.replace(/_([^_]+)_/g, '$1') |
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// Remove code blocks
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text = text.replace(/```[\s\S]*?```/g, '') |
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text = text.replace(/`([^`]+)`/g, '$1') |
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// Remove HTML tags
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text = text.replace(/<[^>]+>/g, '') |
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// Clean up whitespace
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text = text.replace(/\n{3,}/g, '\n\n') |
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return text.trim() |
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} |
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export default function WebPreview({ url, className }: { url: string; className?: string }) { |
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const { autoLoadMedia } = useContentPolicy() |
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@ -18,12 +89,164 @@ export default function WebPreview({ url, className }: { url: string; className?
@@ -18,12 +89,164 @@ export default function WebPreview({ url, className }: { url: string; className?
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} |
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}, [url]) |
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// Extract nostr identifier from URL
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const nostrIdentifier = useMemo(() => { |
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const naddrMatch = url.match(/(naddr1[a-z0-9]+)/i) |
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const neventMatch = url.match(/(nevent1[a-z0-9]+)/i) |
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const noteMatch = url.match(/(note1[a-z0-9]{58})/i) |
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const npubMatch = url.match(/(npub1[a-z0-9]{58})/i) |
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const nprofileMatch = url.match(/(nprofile1[a-z0-9]+)/i) |
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return naddrMatch?.[1] || neventMatch?.[1] || noteMatch?.[1] || npubMatch?.[1] || nprofileMatch?.[1] || null |
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}, [url]) |
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// Determine nostr type
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const nostrType = useMemo(() => { |
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if (!nostrIdentifier) return null |
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try { |
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const decoded = nip19.decode(nostrIdentifier) |
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return decoded.type |
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} catch { |
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return null |
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} |
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}, [nostrIdentifier]) |
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// Fetch profile for npub/nprofile
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const profileId = nostrType === 'npub' || nostrType === 'nprofile' ? (nostrIdentifier || undefined) : undefined |
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const { profile: fetchedProfile, isFetching: isFetchingProfile } = useFetchProfile(profileId) |
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// Fetch event for naddr/nevent/note
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const eventId = (nostrType === 'naddr' || nostrType === 'nevent' || nostrType === 'note') ? (nostrIdentifier || undefined) : undefined |
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const { event: fetchedEvent, isFetching: isFetchingEvent } = useFetchEvent(eventId) |
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// Get content preview (first 500 chars, stripped of markdown) - ALWAYS call hooks before any returns
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const contentPreview = useMemo(() => { |
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if (!fetchedEvent?.content) return '' |
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const stripped = stripMarkdown(fetchedEvent.content) |
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return stripped.length > 500 ? stripped.substring(0, 500) + '...' : stripped |
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}, [fetchedEvent]) |
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// Early return after ALL hooks are called
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if (!autoLoadMedia) { |
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return null |
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} |
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if (!title) { |
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return null |
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// Check if we have any opengraph data (title, description, or image)
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const hasOpengraphData = title || description || image |
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// If no opengraph metadata available, show enhanced fallback link card
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if (!hasOpengraphData) { |
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// Enhanced card for event URLs (always show if nostr identifier detected, even while loading)
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if (nostrType === 'naddr' || nostrType === 'nevent' || nostrType === 'note') { |
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const eventMetadata = fetchedEvent ? getLongFormArticleMetadataFromEvent(fetchedEvent) : null |
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const eventTypeName = fetchedEvent ? getEventTypeName(fetchedEvent.kind) : null |
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const eventTitle = eventMetadata?.title || eventTypeName |
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const eventSummary = eventMetadata?.summary || description |
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const eventImage = eventMetadata?.image |
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return ( |
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<div |
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className={cn('p-3 clickable flex w-full border rounded-lg overflow-hidden gap-3', className)} |
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onClick={(e) => { |
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e.stopPropagation() |
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window.open(url, '_blank') |
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}} |
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> |
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{eventImage && fetchedEvent && ( |
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<Image |
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image={{ url: eventImage, pubkey: fetchedEvent.pubkey }} |
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className="w-20 h-20 rounded-lg flex-shrink-0 object-cover" |
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hideIfError |
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/> |
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)} |
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<div className="flex-1 min-w-0"> |
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<div className="flex items-center gap-2 mb-1"> |
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{fetchedEvent ? ( |
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<> |
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<SimpleUserAvatar userId={fetchedEvent.pubkey} size="xSmall" /> |
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<Username userId={fetchedEvent.pubkey} className="text-xs" /> |
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<span className="text-xs text-muted-foreground">•</span> |
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<span className="text-xs text-muted-foreground">{eventTypeName}</span> |
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</> |
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) : ( |
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<span className="text-xs text-muted-foreground"> |
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{isFetchingEvent ? 'Loading event...' : 'Event'} |
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</span> |
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)} |
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<ExternalLink className="w-3 h-3 text-muted-foreground flex-shrink-0 ml-auto" /> |
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</div> |
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{fetchedEvent && ( |
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<> |
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{eventTitle && ( |
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<div className="font-semibold text-sm line-clamp-2 mb-1">{eventTitle}</div> |
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)} |
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{eventSummary && ( |
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<div className="text-xs text-muted-foreground line-clamp-2 mb-1">{eventSummary}</div> |
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)} |
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{contentPreview && ( |
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<div className="text-xs text-muted-foreground line-clamp-3 whitespace-pre-wrap break-words"> |
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{contentPreview} |
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</div> |
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)} |
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</> |
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)} |
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<div className="text-xs text-muted-foreground truncate mt-1">{hostname}</div> |
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</div> |
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</div> |
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) |
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} |
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// Enhanced card for profile URLs (loading state)
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if (nostrType === 'npub' || nostrType === 'nprofile') { |
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return ( |
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<div |
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className={cn('p-3 clickable flex w-full border rounded-lg overflow-hidden gap-3', className)} |
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onClick={(e) => { |
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e.stopPropagation() |
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window.open(url, '_blank') |
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}} |
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> |
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{fetchedProfile ? ( |
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<SimpleUserAvatar userId={fetchedProfile.pubkey} size="small" /> |
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) : ( |
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<div className="w-7 h-7 rounded-full bg-muted flex-shrink-0" /> |
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)} |
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<div className="flex-1 min-w-0"> |
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<div className="flex items-center gap-2"> |
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{fetchedProfile ? ( |
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<Username userId={fetchedProfile.pubkey} /> |
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) : ( |
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<span className="text-sm text-muted-foreground"> |
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{isFetchingProfile ? 'Loading profile...' : 'Profile'} |
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</span> |
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)} |
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<ExternalLink className="w-3 h-3 text-muted-foreground flex-shrink-0" /> |
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</div> |
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<div className="text-xs text-muted-foreground truncate mt-1">{hostname}</div> |
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<div className="text-xs text-muted-foreground truncate">{url}</div> |
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</div> |
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</div> |
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) |
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} |
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// Basic fallback for non-nostr URLs
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return ( |
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<div |
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className={cn('p-2 clickable flex w-full border rounded-lg overflow-hidden', className)} |
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onClick={(e) => { |
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e.stopPropagation() |
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window.open(url, '_blank') |
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}} |
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> |
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<div className="flex-1 w-0 flex items-center gap-2"> |
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<ExternalLink className="w-4 h-4 text-muted-foreground flex-shrink-0" /> |
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<div className="flex-1 min-w-0"> |
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<div className="text-xs text-muted-foreground truncate">{hostname}</div> |
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<div className="text-sm font-medium truncate">{url}</div> |
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</div> |
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</div> |
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</div> |
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) |
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} |
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if (isSmallScreen && image) { |
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@ -38,7 +261,8 @@ export default function WebPreview({ url, className }: { url: string; className?
@@ -38,7 +261,8 @@ export default function WebPreview({ url, className }: { url: string; className?
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<Image image={{ url: image }} className="w-full max-w-[400px] h-44 rounded-none" hideIfError /> |
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<div className="bg-muted p-2 w-full"> |
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<div className="text-xs text-muted-foreground">{hostname}</div> |
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<div className="font-semibold line-clamp-1">{title}</div> |
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{title && <div className="font-semibold line-clamp-1">{title}</div>} |
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{!title && description && <div className="font-semibold line-clamp-1">{description}</div>} |
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</div> |
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</div> |
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) |
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@ -61,8 +285,12 @@ export default function WebPreview({ url, className }: { url: string; className?
@@ -61,8 +285,12 @@ export default function WebPreview({ url, className }: { url: string; className?
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)} |
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<div className="flex-1 w-0 p-2"> |
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<div className="text-xs text-muted-foreground">{hostname}</div> |
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<div className="font-semibold line-clamp-2">{title}</div> |
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<div className="text-xs text-muted-foreground line-clamp-5">{description}</div> |
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{title && <div className="font-semibold line-clamp-2">{title}</div>} |
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{description && ( |
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<div className={cn("line-clamp-5", title ? "text-xs text-muted-foreground" : "text-sm font-semibold")}> |
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{description} |
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</div> |
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)} |
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</div> |
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</div> |
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) |
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