Fix internal note linking in TipTap with custom protocols, structured link insertion, and paste handlers

src/components/RichNoteEditor.tsx

@@ -58,6 +58,18 @@ export function extractInternalNoteId(href: string): string | null {
   return null;
 }
 
+export function sanitizeOrUnescapeLinks(html: string): string {
+  if (!html) return html;
+  let cleaned = html
+    .replace(/&lt;a href=&quot;(everclone:\/\/note\/[^&]+)&quot;&gt;(.*?)&lt;\/a&gt;/gi, '<a href="$1">$2</a>')
+    .replace(/&lt;a href="(everclone:\/\/note\/[^"]+)"&gt;(.*?)&lt;\/a&gt;/gi, '<a href="$1">$2</a>')
+    .replace(/&lt;a href=(everclone:\/\/note\/[^\s&>]+)&gt;(.*?)&lt;\/a&gt;/gi, '<a href="$1">$2</a>')
+    .replace(/&lt;a href&lt;a href=&quot;(everclone:\/\/note\/[^&]+)&quot;&gt;(.*?)&lt;\/a&gt;/gi, '<a href="$1">$2</a>')
+    .replace(/&lt;a href&lt;a href="(everclone:\/\/note\/[^"]+)"&gt;(.*?)&lt;\/a&gt;/gi, '<a href="$1">$2</a>')
+    .replace(/<a href<a href=/gi, '<a href=');
+  return cleaned;
+}
+
 interface RichNoteEditorProps {
   noteId: string;
   contentHtml: string;
@@ -106,6 +118,21 @@ export default function RichNoteEditor({
       Link.configure({
         openOnClick: false,
         autolink: true,
+        linkOnPaste: true,
+        protocols: ['everclone', 'evernote'],
+        isAllowedUri: (url, ctx) => {
+          if (!url) return false;
+          if (
+            url.startsWith('everclone://') ||
+            url.startsWith('evernote://') ||
+            url.startsWith('/?noteId=') ||
+            url.startsWith('#note-') ||
+            url.startsWith('/')
+          ) {
+            return true;
+          }
+          return ctx.defaultValidate(url);
+        },
       }),
       Image.configure({
         inline: false,
@@ -126,7 +153,7 @@ export default function RichNoteEditor({
         placeholder: 'Start writing, drag files here, or type / for formatting…',
       }),
     ],
-    content: contentHtml || '<p></p>',
+    content: sanitizeOrUnescapeLinks(contentHtml || '<p></p>'),
     editorProps: {
       handleClick: (view, pos, event) => {
         const target = event.target as HTMLElement | null;
@@ -181,6 +208,98 @@ export default function RichNoteEditor({
         }
         return false;
       },
+      handlePaste: (view, event) => {
+        const clipboardData = event.clipboardData;
+        if (!clipboardData) return false;
+
+        const text = clipboardData.getData('text/plain')?.trim();
+        const html = clipboardData.getData('text/html');
+
+        // 1. Markdown note link: [Title](everclone://note/...) or [Title](url)
+        if (text) {
+          const mdMatch = text.match(/^\[(.*?)\]\((everclone:\/\/note\/[^\s)]+|\S+)\)$/);
+          if (mdMatch) {
+            event.preventDefault();
+            const [, linkText, linkUrl] = mdMatch;
+            editor
+              ?.chain()
+              .focus()
+              .deleteSelection()
+              .insertContent({
+                type: 'text',
+                text: linkText || 'Note Link',
+                marks: [{ type: 'link', attrs: { href: linkUrl } }],
+              })
+              .insertContent(' ')
+              .run();
+            return true;
+          }
+
+          // 2. Direct Everclone note URL pasted: everclone://note/cmv...
+          if (text.startsWith('everclone://note/')) {
+            event.preventDefault();
+            const noteId = text.replace('everclone://note/', '').split(/[?#/]/)[0];
+            fetch(`/api/notes/${noteId}`)
+              .then((r) => r.json())
+              .then((data) => {
+                const title = data.title || 'Note Link';
+                editor
+                  ?.chain()
+                  .focus()
+                  .deleteSelection()
+                  .insertContent({
+                    type: 'text',
+                    text: title,
+                    marks: [{ type: 'link', attrs: { href: text } }],
+                  })
+                  .insertContent(' ')
+                  .run();
+              })
+              .catch(() => {
+                editor
+                  ?.chain()
+                  .focus()
+                  .deleteSelection()
+                  .insertContent({
+                    type: 'text',
+                    text: 'Note Link',
+                    marks: [{ type: 'link', attrs: { href: text } }],
+                  })
+                  .insertContent(' ')
+                  .run();
+              });
+            return true;
+          }
+        }
+
+        // 3. HTML containing everclone link
+        if (html && html.includes('everclone://note/')) {
+          try {
+            const parser = new DOMParser();
+            const doc = parser.parseFromString(html, 'text/html');
+            const anchor = doc.querySelector('a[href^="everclone://note/"]');
+            if (anchor) {
+              const href = anchor.getAttribute('href')!;
+              const linkTitle = anchor.textContent?.trim() || 'Note Link';
+              event.preventDefault();
+              editor
+                ?.chain()
+                .focus()
+                .deleteSelection()
+                .insertContent({
+                  type: 'text',
+                  text: linkTitle,
+                  marks: [{ type: 'link', attrs: { href } }],
+                })
+                .insertContent(' ')
+                .run();
+              return true;
+            }
+          } catch {}
+        }
+
+        return false;
+      },
     },
     onUpdate: ({ editor: ed }) => {
       onChange(ed.getHTML());
@@ -192,7 +311,7 @@ export default function RichNoteEditor({
     if (!editor) return;
     if (currentNoteIdRef.current !== noteId) {
       currentNoteIdRef.current = noteId;
-      editor.commands.setContent(contentHtml || '<p></p>', false);
+      editor.commands.setContent(sanitizeOrUnescapeLinks(contentHtml || '<p></p>'), false);
     }
   }, [noteId, contentHtml, editor]);
 
@@ -234,14 +353,29 @@ export default function RichNoteEditor({
   const handleApplyLink = (url: string, text?: string) => {
     if (!editor) return;
     const { from, to } = editor.state.selection;
-    const selectedText = editor.state.doc.textBetween(from, to, ' ');
+    const hasSelection = from !== to;
+    const selectedText = hasSelection ? editor.state.doc.textBetween(from, to, ' ') : '';
+    const label = text?.trim() || selectedText.trim() || url;
 
-    if (from === to && text) {
-      editor.chain().focus().insertContent(`<a href="${url}">${text}</a> `).run();
-    } else if (text && text !== selectedText) {
-      editor.chain().focus().insertContent(`<a href="${url}">${text}</a>`).run();
+    if (!hasSelection || (text && text.trim() !== selectedText.trim())) {
+      editor
+        .chain()
+        .focus()
+        .deleteSelection()
+        .insertContent({
+          type: 'text',
+          text: label,
+          marks: [{ type: 'link', attrs: { href: url } }],
+        })
+        .insertContent(' ')
+        .run();
     } else {
-      editor.chain().focus().extendMarkRange('link').setLink({ href: url }).run();
+      editor
+        .chain()
+        .focus()
+        .extendMarkRange('link')
+        .setLink({ href: url })
+        .run();
     }
   };