codeql.yml

# SPDX-License-Identifier: PMPL-1.0-or-later
name: CodeQL Security Analysis

on:
  push:
    branches: [main, master]
  pull_request:
    branches: [main, master]
  schedule:
    - cron: '0 6 * * 1'

permissions:
  contents: read

jobs:
  analyze:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      security-events: write
    strategy:
      fail-fast: false
      matrix:
        include:
          - language: javascript-typescript
            build-mode: none

    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

      # This repo is a declarative grammar extension with no JS/TS sources.
      # CodeQL errors out ("no code found") when there is nothing to scan,
      # so detect presence first and skip cleanly when absent. The step
      # stays here so analysis activates automatically if JS/TS is added.
      - name: Detect JavaScript/TypeScript sources
        id: detect
        run: |
          if find . -path ./.git -prune -o -type f \
              \( -name '*.ts' -o -name '*.tsx' -o -name '*.js' \
              -o -name '*.jsx' -o -name '*.mjs' -o -name '*.cjs' \) \
              -print | grep -q .; then
            echo "present=true" >> "$GITHUB_OUTPUT"
          else
            echo "present=false" >> "$GITHUB_OUTPUT"
            echo "::notice::No JavaScript/TypeScript sources found — skipping CodeQL analysis."
          fi

      - name: Initialize CodeQL
        if: steps.detect.outputs.present == 'true'
        uses: github/codeql-action/init@0d579ffd059c29b07949a3cce3983f0780820c98 # v3.28.1
        with:
          languages: ${{ matrix.language }}
          build-mode: ${{ matrix.build-mode }}

      - name: Perform CodeQL Analysis
        if: steps.detect.outputs.present == 'true'
        uses: github/codeql-action/analyze@0d579ffd059c29b07949a3cce3983f0780820c98 # v3.28.1
        with:
          category: "/language:${{ matrix.language }}"