build-and-run-tests.yml

# This workflow will do a clean installation of node dependencies, cache/restore them, build the source code and run tests across different versions of node.
# This workflow will be run whenever a new commit is pushed or when a PR is opened up.
# Guide: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions

name: Build and Run Tests

on:
  # run this for every push (CI)
  push:
  # also run this for PR
  pull_request:

jobs:
  build:

    runs-on: ubuntu-latest

    # run this job for every combination of given matrix variables
    strategy:
      matrix:
        node-version: [12.x, 14.x, 16.x]

    steps:

      # checkout our repo for the current commit
      - name: Check out repo
        uses: actions/checkout@v3

      # setup specified node version
      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v3
        with:
          node-version: ${{ matrix.node-version }}
          cache: 'yarn'

      - name: Install dependencies
        run: yarn install --frozen-lockfile # do a clean install of all of our dependencies

      # build our library to catch any build errors
      - name: Build!
        run: yarn run build

      # run all of our tests
      - name: Test!
        run: yarn test