== should format ==
{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "vscode": {
     "languageId": "typescript"
    }
   },
   "outputs": [],
   "source": [
    "code block 1"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "code block 2\n",
    "\n",
    "next line",
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "outputs": [],
   "source": [
    "code block 3"
   ]
  }
 ],
 "nbformat": 4,
 "nbformat_minor": 2
}

[expect]
{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "vscode": {
     "languageId": "typescript"
    }
   },
   "outputs": [],
   "source": [
    "code block 1_typescript"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "code block 2\n",
    "\n",
    "next line_markdown",
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "outputs": [],
   "source": [
    "code block 3"
   ]
  }
 ],
 "nbformat": 4,
 "nbformat_minor": 2
}