name: Node Pull Request

# Checks for a Node, Vue or Astro project: install without touching the lockfile,
# then run lint, typecheck, test and build. A script that does not exist is skipped.

on:
  workflow_call:
    inputs:
      node-version:
        description: "Node.js version to use"
        required: false
        type: string
        default: "22"
      working-directory:
        description: "Directory that holds package.json"
        required: false
        type: string
        default: "."
      scripts:
        description: "Comma-separated package.json scripts to run, in order. A script that does not exist is skipped."
        required: false
        type: string
        default: "lint,typecheck,test,build"
      require-tests:
        description: "Fail when package.json has no test script"
        required: false
        type: boolean
        default: false
      lfs:
        description: "Enable Git LFS checkout (for repos with large files)"
        required: false
        type: boolean
        default: false
      runner:
        description: "Runner label, or JSON object such as {\"group\":\"ci\",\"labels\":[\"linux\"]} to select a runner group. Falls back to vars.SHARED_ACTIONS_RUNNER, then ubuntu-latest."
        required: false
        type: string
        default: ""

concurrency:
  group: node-pr-${{ github.repository }}-${{ github.event_name }}-${{ github.head_ref || github.ref_name }}-${{ inputs.working-directory }}
  cancel-in-progress: true

jobs:
  pre:
    name: Detect duplicate run
    runs-on: ${{ fromJSON(startsWith(inputs.runner || vars.SHARED_ACTIONS_RUNNER || 'ubuntu-latest', '{') && (inputs.runner || vars.SHARED_ACTIONS_RUNNER || 'ubuntu-latest') || format('"{0}"', inputs.runner || vars.SHARED_ACTIONS_RUNNER || 'ubuntu-latest')) }}
    timeout-minutes: 5
    permissions:
      pull-requests: read
    outputs:
      skip: ${{ steps.dup.outputs.skip }}
    steps:
      # A push to a branch with an open PR also fires pull_request; run only the PR one.
      - name: Skip push run when a PR is open
        id: dup
        uses: actions/github-script@v9
        with:
          script: |
            let skip = false;
            if (context.eventName === 'push') {
              try {
                const { data } = await github.rest.pulls.list({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  head: `${context.repo.owner}:${context.ref.replace('refs/heads/', '')}`,
                  state: 'open',
                });
                skip = data.length > 0;
              } catch (e) {
                core.warning(`PR lookup failed, running checks: ${e.message}`);
              }
            }
            core.setOutput('skip', String(skip));
            if (skip) core.notice('Open PR found for this branch; checks run on the pull_request event.');

  checks:
    name: Checks (${{ inputs.working-directory }})
    needs: pre
    if: needs.pre.outputs.skip != 'true'
    runs-on: ${{ fromJSON(startsWith(inputs.runner || vars.SHARED_ACTIONS_RUNNER || 'ubuntu-latest', '{') && (inputs.runner || vars.SHARED_ACTIONS_RUNNER || 'ubuntu-latest') || format('"{0}"', inputs.runner || vars.SHARED_ACTIONS_RUNNER || 'ubuntu-latest')) }}
    timeout-minutes: 30
    permissions:
      contents: read
    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          lfs: ${{ inputs.lfs }}

      - name: Run workflow prepare script
        shell: bash
        run: |
          if [ -f "./workflow-prepare.sh" ]; then
            chmod +x ./workflow-prepare.sh
            ./workflow-prepare.sh
          fi

      - name: Detect the package manager
        id: detect
        working-directory: ${{ inputs.working-directory }}
        run: |
          if [ ! -f package.json ]; then
            echo "::error::No package.json in ${{ inputs.working-directory }}."
            exit 1
          fi
          pm=npm
          if [ -f pnpm-lock.yaml ]; then pm=pnpm
          elif [ -f yarn.lock ]; then pm=yarn
          fi
          echo "pm=$pm" >> "$GITHUB_OUTPUT"

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: ${{ inputs.node-version }}

      - name: Install dependencies
        working-directory: ${{ inputs.working-directory }}
        env:
          PM: ${{ steps.detect.outputs.pm }}
        run: |
          # Install without updating the lockfile, so a lockfile that does not match package.json fails.
          case "$PM" in
            pnpm | yarn)
              command -v corepack >/dev/null || npm install --global corepack
              corepack enable "$PM"
              ;;
          esac
          case "$PM" in
            pnpm) pnpm install --frozen-lockfile ;;
            yarn) yarn install --immutable ;;
            npm)
              if [ -f package-lock.json ]; then npm ci; else npm install; fi
              ;;
          esac

      - name: Run scripts
        working-directory: ${{ inputs.working-directory }}
        env:
          PM: ${{ steps.detect.outputs.pm }}
          SCRIPTS: ${{ inputs.scripts }}
          REQUIRE_TESTS: ${{ inputs.require-tests }}
        run: |
          if [ "$REQUIRE_TESTS" = true ] && ! jq -e '.scripts.test' package.json >/dev/null; then
            echo "::error::package.json has no test script."
            exit 1
          fi
          ran=()
          IFS=',' read -r -a scripts <<<"$SCRIPTS"
          for script in "${scripts[@]}"; do
            script=$(echo "$script" | xargs)
            [ -n "$script" ] || continue
            if jq -e --arg s "$script" '.scripts[$s]' package.json >/dev/null; then
              echo "::group::$PM run $script"
              "$PM" run "$script"
              echo "::endgroup::"
              ran+=("$script")
            else
              echo "::notice::No '$script' script, skipping."
            fi
          done
          if [ "${#ran[@]}" -eq 0 ]; then
            echo "::warning::None of the scripts ($SCRIPTS) exist in package.json, so nothing was checked."
          fi
          echo "Ran: ${ran[*]:-none} (${PM})" >> "$GITHUB_STEP_SUMMARY"