Create tsconfig.json

    "compilerOptions": {
        "target": "es6",
        "module": "commonjs",
        "sourceMap": true,
        "watch": true,
        "allowJs": true,
        "removeComments": true

Node modules won’t be found by Typscript until you install the type descriptions:

npm install --save-dev @types/node

And also you should do this to other javascript modules.

In case you want a stack trace in typescript

Install source map support … and let it do the work for you

npm install --save-dev source-map-support

To use it:


In your entry files, I usually put this at the top of my test files. In production code, I don’t want an extra require.

By the way, it’s a good idea to code Typescript using Visual Studio Code because of its great support.

Here are some addition steps if you’re using it

  1. Add build task using the tsconfig.json
  2. Build (typically ctrl + shift + b)
  3. Code