name: Lint

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master

jobs:
  lint:
    if: github.event.pull_request.draft == false
    name: Lint
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2.3.4

      - name: Setup Node.js
        uses: actions/setup-node@v2.4.0
        with:
          cache: "yarn"

      - name: Install Dependencies
        run: yarn install --frozen-lockfile

      - name: Check Types by TSC
        run: yarn lint:typecheck

      - name: Lint ESLint
        run: yarn lint

      - name: Check Lock File Changes
        run: yarn && echo "Listing changed files:" && git diff --name-only --exit-code && echo "No files changed during lint."