name: Frontend PR

on:
  workflow_call:
  workflow_dispatch:
  pull_request:
    branches:
    - master
    paths:
    - 'frontend/**'

jobs:
  frontend:
    name: Build frontend
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v3
      with:
        submodules: recursive

    - uses: actions/setup-node@v3
      with:
        node-version: 16
    
    - name: Get npm cache directory
      id: npm-cache-dir
      run: |
        echo "::set-output name=dir::$(npm config get cache)"
    - uses: actions/cache@v3
      id: npm-cache
      with:
        path: ${{ steps.npm-cache-dir.outputs.dir }}
        key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
        restore-keys: |
          ${{ runner.os }}-node-

    - name: Build frontends
      run: make frontends

    - name: 'Tar files to preserve file permissions'
      run: tar -cvf frontend.tar frontend/dist frontend/config.json

    - uses: actions/upload-artifact@v3
      with:
        name: frontend
        path: frontend.tar