How to use the tiptap-extensions.Code function in tiptap-extensions

createExtensions() {
      const {
        marks = {},
        nodes = {},
        tools = {}
      } = this.schema
      return [
        // schema.marks:
        marks.bold && new Bold(),
        marks.italic && new Italic(),
        marks.underline && new Underline(),
        marks.strike && new Strike(),
        marks.small && new Small(),
        marks.code && new Code(),
        marks.link && new LinkWithTitle(),

        // schema.nodes:
        nodes.blockquote && new Blockquote(),
        nodes.codeBlock && new CodeBlock(),
        new HardBreak(), // TODO: Should this always on?
        nodes.heading && new Heading({ levels: nodes.heading }),
        nodes.horizontalRule && new HorizontalRule(),
        (nodes.orderedList || nodes.bulletList) && new ListItem(),
        nodes.bulletList && new BulletList(),
        nodes.orderedList && new OrderedList(),
        // TODO:
        // nodes.todoList && new TodoItem(),
        // nodes.todoList && new TodoList(),

        // schema.tools:

break
          }
          case 'blockquote': {
            extensions.push(new Blockquote())
            break
          }
          case 'bullet': {
            extensions.push(new BulletList())
            break
          }
          case 'ordered': {
            extensions.push(new OrderedList())
            break
          }
          case 'code': {
            extensions.push(new Code())
            break
          }
          case 'code-block': {
            extensions.push(new CodeBlock())
            break
          }
          case 'table': {
            extensions.push(new Table({
              resizable: false
            }))
            extensions.push(new TableHeader())
            extensions.push(new TableCell())
            extensions.push(new TableRow())
            break
          }
        }