Auto-convert tables to first col header (#35533)

lib/render-content/plugins/wrap-in-element.js

@@ -6,15 +6,15 @@ import { parseSelector } from 'hast-util-parse-selector'
  * Attacher
  */
 export default (options) => {
-  options = options || {}
   const selector = options.selector || options.select || 'body'
   const wrapper = options.wrapper || options.wrap
+  const rewrite = options.rewrite
 
   /*
    * Transformer
    */
   return (tree) => {
-    if (typeof wrapper !== 'string') {
+    if (wrapper && typeof wrapper !== 'string') {
       throw new TypeError('Expected a `string` as wrapper')
     }
 
@@ -25,7 +25,11 @@ export default (options) => {
     for (const match of selectAll(selector, tree)) {
       visit(tree, match, (node, i, parent) => {
         const parsedWrapper = parseSelector(wrapper)
-        parsedWrapper.children = [node]
+        if (rewrite) {
+          parsedWrapper.children = node.children
+        } else {
+          parsedWrapper.children = [node]
+        }
         parent.children[i] = parsedWrapper
       })
     }