name: Validate that changes doesn't break elm-language-server

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

jobs:
  test:
    runs-on: ${{ matrix.os }}

    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest]
        node-version: [18, 20]

    steps:
      - uses: actions/checkout@v4
        with:
          path: "tree-sitter-elm"
      - uses: actions/checkout@v4
        name: Checkout main branch of elm-language-server
        with:
          repository: "elm-tooling/elm-language-server"
          path: "elm-language-server"
      - name: Install tree-sitter dependencies and generate wasm bundle
        run: |
          cd tree-sitter-elm/
          npm i
          npm run build
          npx tree-sitter build-wasm
          mv ./tree-sitter-elm.wasm ../elm-language-server/tree-sitter-elm.wasm -f

      - name: Install elm-language-server dependencies, compile, and run tests
        run: |
          cd elm-language-server/
          npm i
          npm run compile
          npm install -g elm-format
          npm test