name: Generate
on:
  push:
    branches:
      - main
jobs:
  main:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v2
      - name: Install Node
        uses: actions/setup-node@v2
        with:
          node-version: "14.x"
      - name: Cache npm dependencies
        uses: actions/cache@v2
        with:
          path: ~/.npm
          key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}
          restore-keys: |
            ${{ runner.os }}-node-
      - name: Install npm dependencies
        run: npm ci
      - name: Generate parser
        run: |
          npx tree-sitter generate
          npx tree-sitter build-wasm
      - name: Update parser files
        uses: stefanzweifel/git-auto-commit-action@v4
        with:
          commit_message: Generate parser
          file_pattern: src
      - name: Checkout gh-pages branch to ./gh-pages
        uses: actions/checkout@v2
        with:
          ref: gh-pages
          path: ./gh-pages
      - run: mv *.wasm ./gh-pages
      - name: Update WASM file on gh-pages branch
        uses: stefanzweifel/git-auto-commit-action@v4
        with:
          commit_message: Generate WASM
          file_pattern: "*.wasm"
          repository: ./gh-pages