Installs Nix on GitHub Actions for the supported platforms: Linux and macOS.

Create .github/workflows/test.yml in your repo with the following contents:

name: "Test"
on:
  pull_request:
  push:
jobs:
  tests:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v1
    - uses: cachix/install-nix-action@v3
    - run: nix-build

See action.yml for all options.

See also cachix-action for simple binary cache setup to speed up your builds and share binaries with developers.

Install the dependencies

$ yarn install

Build the typescript

$ yarn build

Run the tests ✔️

$ yarn test