1、初始化项目

• 初始化

yarn init

• 生成配置文件tsconfig.json

tsc --init 

注意：将outDir设置为"outDir": "dist"
全部编译配置文档地址：https://www.w3cschool.cn/typescript/typescript-compiler-options.html

• 安装工具concurrently

yarn add concurrently

• 安装hapi、@types/hapi

yarn add hapi @types/hapi

• 在package.json中增加scripts如下

"scripts": {"watch-ts": "tsc -w","watch-node": "nodemon dist/server.js","watch": "concurrently -k -p \"[{name}]\" -n \"TypeScript, Node\" -c \"blue.bold, cyan.bold\" \"yarn run watch-ts\" \"yarn run watch-node\""
}

• 安装环境变量包dotenv

yarn add dotenv