name: "CodeQL"

# When to run the analysis
on:
  pull_request:
    branches: [ "main" ]  # Run on PRs to main
  schedule:
    - cron: '17 10 * * 1'  # Weekly scan for new vulnerabilities

jobs:
  analyze:
    name: Analyze
    runs-on: ubuntu-latest
    # Permissions needed by CodeQL
    permissions:
      actions: read         # Read workflow
      contents: read        # Read code
      security-events: write  # Write security alerts

    strategy:
      fail-fast: false
      matrix:
        # Tell CodeQL what type of code to analyze
        language: [ 'javascript-typescript' ]

    steps:
    # Get the code
    - name: Checkout repository
      uses: actions/checkout@v4

    # Set up CodeQL tools
    - name: Initialize CodeQL
      uses: github/codeql-action/init@v3
      with:
        languages: ${{ matrix.language }}

    # Run the actual analysis
    - name: Perform CodeQL Analysis
      uses: github/codeql-action/analyze@v3
      with:
        category: "/language:${{matrix.language}}"