Instal TypeScript
npm install -g typescript
Adorable Alligator
npm install -g typescriptDon't forget to use the dev flag!!!
Yarn:
yarn global add --dev typescript
NPM:
npm install -g --save-dev typescript//Author:Mohammad Arman Khan
//Command to install typeScript in node(express)Project
npm i -D @types/node typescript ts-nodenpm install -g typescript