refactor: enhance hyperlink handling in markdown shortcuts (#4238)

web/src/components/MemoEditor/handlers.ts

@@ -19,6 +19,14 @@ export const hyperlinkHighlightedText = (editor: EditorRefActions, url?: string)
   const cursorPosition = editor.getCursorPosition();
   const selectedContent = editor.getSelectedContent();
   const blankURL = "url";
+
+  // If the selected content looks like a URL and no URL is provided,
+  // create a link with empty text and the URL
+  const urlRegex = /^(https?:\/\/[^\s]+)$/;
+  if (!url && urlRegex.test(selectedContent.trim())) {
+    editor.insertText(`[](${selectedContent})`);
+    editor.setCursorPosition(cursorPosition + 1, cursorPosition + 1);
+  } else {
     url = url ?? blankURL;
 
     editor.insertText(`[${selectedContent}](${url})`);
@@ -27,6 +35,7 @@ export const hyperlinkHighlightedText = (editor: EditorRefActions, url?: string)
       const newCursorStart = cursorPosition + selectedContent.length + 3;
       editor.setCursorPosition(newCursorStart, newCursorStart + url.length);
     }
+  }
 };
 
 const styleHighlightedText = (editor: EditorRefActions, delimiter: string) => {