VS Code was designed to be the perfect TypeScript editor.
    如果你用其他编辑器，我们可以全局安装TypeScript command-line tool

    1. npm install -g typescript
    3. # 或者
    5. yarn global add typescript

    进入项目文件夹，执行命令

    1. tsc --init

    则会创建tsconfig.json文件

    1. {
    2.   "compilerOptions": {
    3.   "target": "ES2020",
    4.   "module": "es2020",
    5.   "allowJs": true,
    6.   "checkJs": true,
    7.   "typeRoots": [
    8.     "@types",
    9.     "node_modules/@types"
    10.     ],
    11.   "esModuleInterop": true,
    12.   }
    13. }

    执行下列命令进行类型检查，且不产生输出文件

    1. tsc --noEmit