.zshrc

 alias ts:start="yarn init -y && yarn add @types/node ts-node typescript && sed -i '/\"license\": \"MIT\"/a \  \"scripts\": {\n    \"dev\": \"ts-node src/index.ts\"\n  },' package.json && mkdir src && echo '{
  \"compilerOptions\": {
    \"target\": \"es6\",
    \"module\": \"commonjs\",
    \"strict\": true,
    \"esModuleInterop\": true,
    \"skipLibCheck\": true,
    \"forceConsistentCasingInFileNames\": true
  },
  \"include\": [\"src\"]
}' > tsconfig.json && echo 'console.log(\"hello world\")' > src/index.ts && echo \"--------------\"  && echo \"run yarn dev\""