add topNode option

packages/tiptap-core/src/Editor.ts

@@ -57,7 +57,7 @@ export class Editor extends EventEmitter {
 
   private createSchema() {
     this.schema = new Schema({
-      // topNode: this.options.topNode,
+      topNode: this.extensionManager.topNode,
       nodes: this.extensionManager.nodes,
       marks: this.extensionManager.marks,
     })

packages/tiptap-core/src/ExtensionManager.ts

@@ -14,6 +14,14 @@ export default class ExtensionManager {
     })
   }
 
+  get topNode() {
+    const topNode = this.extensions.find(extension => extension.topNode)
+
+    if (topNode) {
+      return topNode.name
+    }
+  }
+
   get nodes(): any {
     return collect(this.extensions)
       .where('type', 'node')

packages/tiptap-core/src/Node.ts

@@ -8,6 +8,8 @@ export default abstract class Node extends Extension {
 
   public type = 'node'
 
+  public topNode = false
+
   // get type() {
   //   return 'node'
   // }

packages/tiptap-document-extension/index.ts

@@ -2,7 +2,9 @@ import { Node } from '@tiptap/core'
 
 export default class Document extends Node {
 
-  name = 'doc'
+  name = 'document'
+
+  topNode = true
 
   schema = {
     content: 'block+',