fix: resolve svelte check diagnostics

Author: 0disoft

src/lib/editor/markdown-import.ts

@@ -612,14 +612,20 @@ export function parseMarkdownToDocument(
     const customBlock = customBlockStart(trimmed);
     if (customBlock) {
       const collected = collectCustomBlock(lines, index);
-      const node = collected
-        ? customBlockNode(customBlock.name, customBlock.info, collected.body, fallbackLanguage)
-        : undefined;
-
-      if (node) {
-        content.push(node);
-        index = collected.nextIndex;
-        continue;
+
+      if (collected) {
+        const node = customBlockNode(
+          customBlock.name,
+          customBlock.info,
+          collected.body,
+          fallbackLanguage,
+        );
+
+        if (node) {
+          content.push(node);
+          index = collected.nextIndex;
+          continue;
+        }
       }
     }
 

src/routes/+page.svelte

@@ -1528,6 +1528,7 @@
             type: calloutNodeNameByKind[kind],
             pos,
             fallback: defaultCalloutLabel(kind),
+            attrName: "label",
             label,
         });
         return true;
@@ -1626,6 +1627,7 @@
                 type: calloutNodeNameByKind[kind],
                 pos: trackedTarget.pos,
                 fallback: defaultCalloutLabel(kind),
+                attrName: "label",
                 label,
             });
         }
@@ -3223,6 +3225,7 @@
                 <div
                     class="code-line-context-menu"
                     role="menu"
+                    tabindex="-1"
                     aria-label={`코드 ${codeLineContextMenu.line}번 줄`}
                     style={`left:${codeLineContextMenu.x}px;top:${codeLineContextMenu.y}px`}
                     onpointerdown={(event) => event.stopPropagation()}