name: Node.js CI

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

jobs:
  build:
    name: Build
    runs-on: ${{ matrix.os }}

    strategy:
      fail-fast: false
      matrix:
        node-version:
          - 14.x
          - 12.x
          - 10.x
          - 8.x
          - 6.x
          - 4.x
        os:
          - ubuntu-20.04
          - windows-2019

    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v1
        with:
          node-version: ${{ matrix.node-version }}

      - name: Get npm cache directory
        id: npm-cache
        run: |
          echo "::set-output name=dir::$(npm config get cache)"

      - name: Cache npm dependencies
        uses: actions/cache@v2
        with:
          path: ${{ steps.npm-cache.outputs.dir }}
          key: ${{ matrix.os }}-node-${{ matrix.node-version }}-${{ hashFiles('**/package.json') }}
          restore-keys: |
            ${{ matrix.os }}-node-${{ matrix.node-version }}-

      - name: Install npm dependencies
        run: npm install

      - name: Copy example config
        run: cp config.js.example config.js

      - name: Lint
        run: npm run lint

      - name: Test
        run: npm test
        env:
          CI: true

      - name: Webpack
        run: ./node_modules/.bin/webpack