chore: simplify codes

packages/plugin-container-syntax/src/remarkPlugin.ts

@@ -120,13 +120,7 @@ function transformer(tree: Parent) {
     while (i < tree.children.length) {
       const node = tree.children[i];
 
-      // The list ast must be traversed to find the container directive,
-      // especially for the unordered list whose ast is very different
-      if (node.type === 'list') {
-        for (const item of node.children) {
-          transformer(item);
-        }
-      } else if (node.type === 'mdxJsxFlowElement') {
+      if ('children' in node) {
         transformer(node);
       }
 

packages/plugin-container-syntax/tests/index.test.ts

@@ -267,7 +267,7 @@ This is a details block.
 
   > [!TIP]
   > This is a 'tip' style block.
- `);
+`);
 
     expect(result.value).toMatchSnapshot();
   });