tiptap/packages/starter-kit/index.ts

import Document from '@tiptap/extension-document'
import Paragraph from '@tiptap/extension-paragraph'
import Text from '@tiptap/extension-text'
import History from '@tiptap/extension-history'
import Bold from '@tiptap/extension-bold'
import Italic from '@tiptap/extension-italic'
import Code from '@tiptap/extension-code'
import CodeBlock from '@tiptap/extension-codeblock'
import Heading from '@tiptap/extension-heading'

export default function defaultExtensions() {
  return [
    new Document(),
    new History(),
    new Paragraph(),
    new Text(),
    new Bold(),
    new Italic(),
    new Code(),
    new CodeBlock(),
    new Heading(),
  ]
}