Fix for changes in @types/unist

Author: wooorm

lib/index.js

@@ -123,6 +123,7 @@ export function raw(tree, file, options) {
     }
   }
 
+  // @ts-expect-error: update `vfile`.
   result = fromParse5(documentMode(tree) ? document() : fragment(), file)
 
   if (stitches) {
@@ -359,11 +360,13 @@ export function raw(tree, file, options) {
     // Recurse, because to somewhat handle `[<x>]</x>` (where `[]` denotes the
     // passed through node).
     if ('children' in node) {
+      // @ts-ignore Assume parent.
       clone.children = raw(
         // @ts-ignore Assume parent.
         {type: 'root', children: node.children},
         file,
         options
+        // @ts-ignore Assume parent.
       ).children
     }
 
@@ -464,7 +467,11 @@ function unknown(node) {
  */
 function documentMode(node) {
   var head = node.type === 'root' ? node.children[0] : node
-  return Boolean(head && (head.type === 'doctype' || head.tagName === 'html'))
+  return Boolean(
+    head &&
+      (head.type === 'doctype' ||
+        (head.type === 'element' && head.tagName === 'html'))
+  )
 }
 
 /**