ci.yml

# Name of this workspace.
name: CI

# Listens for PR's being opened and updated.
on: pull_request

jobs:
  # My job 
  review_code:
    # Environment to execute in.
    runs-on: ubuntu-latest
    steps:
      # Install repository
      - name: Checkout Code
        uses: actions/checkout@v2
        with:
          fetch-depth: 1
      # Install environment dependencies    
      - name: Install Node
        uses: actions/setup-node@v2-beta
        with:
          node-version: 12.13.1
      # Setup caching of node_modules.
      - name: Get Cache Directory
        id: yarn-cache-dir-path
        run: echo "::set-output name=dir::$(yarn cache dir)"
      # Cache deps
      - name: Cache Dependencies
        uses: actions/cache@v2
        id: yarn-cache
        with:
          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
          restore-keys: |
            ${{ runner.os }}-yarn-
      # Install repositories dependencies.
      - name: Install Dependencies
        run: yarn install --frozen-lockfile
      # Run the commands I want to check the codebase (i.e. linting, type-checking, testing)
      - name: Running Eslint
        run: yarn lint
      - name: Running TypeScript Compiler
        run: yarn type-check
      - name: Running Jest
        run: yarn test
      # TODO: Research other "actions" from the community to use.
      # TODO: Write "custom actions" if I need too.