typescript.md

Node.js typescript

1. Init the app

yarn init

2. Install requirements

yarn add typescript ts-node @types/node && mkdir src && touch src/app.ts 

3. Add "type": "module" to package.json

4. tsconfig.json should have the following options:

{
  "compilerOptions": {
    "module": "ESNext",
    "target": "ESNext",
    "moduleResolution": "Node"
  }
}

5. Run the app with the following command:

node --experimental-specifier-resolution=node --loader ts-node/esm ./src/app.ts

Or

yarn global add ts-node

And Run:

ts-node --esm ./src/app.ts