name: Node

on:
  pull_request:
  push:
    branches:
      - master
      - stable*

jobs:
  build:
    runs-on: ubuntu-latest

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

      - name: Set up node
        uses: actions/setup-node@v2
        with:
          node-version: 14

      - name: Set up npm7
        run: npm i -g npm@7

      - name: Install dependencies & build
        run: |
          npm ci
          npm run build --if-present

      - name: Check webpack build changes
        run: |
          bash -c "[[ ! \"`git status --porcelain `\" ]] || ( echo 'Uncommited changes in webpack build' && git status && exit 1 )"