codeql.yml

# CodeQL static analysis — scans the JavaScript/JSX codebase (client + server)
# for security vulnerabilities and surfaces them under the repository's
# Security tab → "Code scanning alerts".
name: "CodeQL"

on:
  push:
    branches: [main, elusoc]
  pull_request:
    branches: [main, elusoc]
  schedule:
    # Weekly full scan (Sundays 01:30 UTC) so newly disclosed patterns are caught
    # even when no code changes.
    - cron: "30 1 * * 0"

jobs:
  analyze:
    name: Analyze (${{ matrix.language }})
    runs-on: ubuntu-latest
    permissions:
      actions: read
      contents: read
      security-events: write
    strategy:
      fail-fast: false
      matrix:
        # The codebase is JavaScript/JSX; the javascript-typescript pack covers
        # both client (React/Vite) and server (Express).
        language: ["javascript-typescript"]
    steps:
      - name: Checkout repository
        uses: actions/checkout@v7

      - name: Initialize CodeQL
        uses: github/codeql-action/init@v4
        with:
          languages: ${{ matrix.language }}
          # JavaScript needs no compilation, so no build step is required.
          build-mode: none
          queries: security-and-quality

      - name: Perform CodeQL Analysis
        uses: github/codeql-action/analyze@v4
        with:
          category: "/language:${{ matrix.language }}"