Implement wiki links

src/lib/utils/markdown/basicMarkdownParser.ts

@@ -36,12 +36,10 @@ function replaceAlexandriaNostrLinks(text: string): string {
   // Regex for 64-char hex
   const hexPattern = /\b[a-fA-F0-9]{64}\b/;
 
-  // 1. Replace Markdown links ONLY if they match the criteria
+  // 1. Alexandria/localhost Markdown links
   text = text.replace(/\[([^\]]+)\]\((https?:\/\/[^\s)]+)\)/g, (match, _label, url) => {
     if (alexandriaPattern.test(url)) {
-      // Ignore d-tag URLs
       if (/[?&]d=/.test(url)) return match;
-      // Convert hexid in URL to nevent if present
       const hexMatch = url.match(hexPattern);
       if (hexMatch) {
         try {
@@ -51,22 +49,18 @@ function replaceAlexandriaNostrLinks(text: string): string {
           return match;
         }
       }
-      // Or use bech32 if present
       const bech32Match = url.match(bech32Pattern);
       if (bech32Match) {
         return `nostr:${bech32Match[0]}`;
       }
     }
-    // For all other links, leave the markdown link untouched
     return match;
   });
 
-  // 2. Replace bare Alexandria/localhost URLs only if they contain a Nostr identifier (not d-tag)
+  // 2. Alexandria/localhost bare URLs and non-Alexandria/localhost URLs with Nostr identifiers
   text = text.replace(/https?:\/\/[^\s)\]]+/g, (url) => {
     if (alexandriaPattern.test(url)) {
-      // Ignore d-tag URLs
       if (/[?&]d=/.test(url)) return url;
-      // Convert hexid in URL to nevent if present
       const hexMatch = url.match(hexPattern);
       if (hexMatch) {
         try {
@@ -76,12 +70,25 @@ function replaceAlexandriaNostrLinks(text: string): string {
           return url;
         }
       }
-      // Or use bech32 if present
       const bech32Match = url.match(bech32Pattern);
       if (bech32Match) {
         return `nostr:${bech32Match[0]}`;
       }
     }
+    // For non-Alexandria/localhost URLs, append (View here: nostr:<id>) if a Nostr identifier is present
+    const hexMatch = url.match(hexPattern);
+    if (hexMatch) {
+      try {
+        const nevent = nip19.neventEncode({ id: hexMatch[0] });
+        return `${url} (View here: nostr:${nevent})`;
+      } catch {
+        return url;
+      }
+    }
+    const bech32Match = url.match(bech32Pattern);
+    if (bech32Match) {
+      return `${url} (View here: nostr:${bech32Match[0]})`;
+    }
     return url;
   });
 
@@ -124,6 +131,25 @@ function stripTrackingParams(url: string): string {
   }
 }
 
+function normalizeDTag(input: string): string {
+  return input
+    .toLowerCase()
+    .replace(/[^\p{L}\p{N}]/gu, '-')
+    .replace(/-+/g, '-')
+    .replace(/^-|-$/g, '');
+}
+
+function replaceWikilinks(text: string): string {
+  // [[target page]] or [[target page|display text]]
+  return text.replace(/\[\[([^\]|]+)(?:\|([^\]]+))?\]\]/g, (_match, target, label) => {
+    const normalized = normalizeDTag(target.trim());
+    const display = (label || target).trim();
+    const url = `https://next-alexandria.gitcitadel.eu/publication?d=${normalized}`;
+    // Output as a clickable <a> with the [[display]] format
+    return `<a class="wikilink" data-dtag="${normalized}" data-url="${url}" href="${url}">[[${display}]]</a>`;
+  });
+}
+
 function processBasicFormatting(content: string): string {
   if (!content) return '';
   
@@ -292,6 +318,9 @@ export async function parseBasicMarkdown(text: string): Promise<string> {
     // Process Nostr identifiers last
     processedText = await processNostrIdentifiers(processedText);
 
+    // Replace wikilinks
+    processedText = replaceWikilinks(processedText);
+
     return processedText;
   } catch (error) {
     console.error('Error in parseBasicMarkdown:', error);

src/lib/utils/markdown/markdownTestfile.md

@@ -14,6 +14,8 @@ It is _only_ a test, for __sure__. I just wanted to see if the markdown renders
 
 This file is full of ~errors~ opportunities to ~~mess up the formatting~~ check your markdown parser.
 
+You can even learn about [[mirepoix]], [[nkbip-03]], or [[roman catholic church|catholics]]
+
 npub1l5sga6xg72phsz5422ykujprejwud075ggrr3z2hwyrfgr7eylqstegx9z wrote this. That's the same person as this one with a nostr prefix nostr:npub1l5sga6xg72phsz5422ykujprejwud075ggrr3z2hwyrfgr7eylqstegx9z and nprofile1qydhwumn8ghj7argv4nx7un9wd6zumn0wd68yvfwvdhk6tcpr3mhxue69uhkx6rjd9ehgurfd3kzumn0wd68yvfwvdhk6tcqyr7jprhgeregx7q2j4fgjmjgy0xfm34l63pqvwyf2acsd9q0mynuzp4qva3. That is a different person from npub1s3ht77dq4zqnya8vjun5jp3p44pr794ru36d0ltxu65chljw8xjqd975wz.
 
 > This is important information
@@ -85,12 +87,14 @@ And a nonsense one with a prefix:
 
 nostr:naddrwhatever
 
-And some Nostr addresses that should be ignored:
+And some Nostr addresses that should be preserved and have a internal link appended:
 
 https://lumina.rocks/note/note1sd0hkhxr49jsetkcrjkvf2uls5m8frkue6f5huj8uv4964p2d8fs8dn68z
 
 https://primal.net/e/nevent1qqsqum7j25p9z8vcyn93dsd7edx34w07eqav50qnde3vrfs466q558gdd02yr
 
+https://primal.net/p/nprofile1qqs06gywary09qmcp2249ztwfq3ue8wxhl2yyp3c39thzp55plvj0sgjn9mdk
+
 URL with a tracking parameter, no Markdown:
 https://example.com?utm_source=newsletter1&utm_medium=email&utm_campaign=sale
 
@@ -109,6 +113,8 @@ And within a Markdown tag: [Markdown link title](http://alexandria.gitcitadel.co
 
 And to localhost: http://localhost:4173/publication?id=c36b54991e459221f444612d88ea94ef5bb4a1b93863ef89b1328996746f6d25
 
+http://localhost:4173/profile?id=nprofile1qqs99d9qw67th0wr5xh05de4s9k0wjvnkxudkgptq8yg83vtulad30gxyk5sf
+
 You can even include code inline, like `<div class="leather min-h-full w-full flex flex-col items-center">` or
 
 ```