CodeQL workflow (cure53/DOMPurify)

name: "CodeQL"
 
on:
  push:
    branches: [main, 3.x, 2.x]
  pull_request:
    # Must match 'push' so PRs targeting release branches also get scanned.
    # The ruleset requires CodeQL as a status check on main, 3.x, and 2.x;
    # without these in pull_request, PRs to 3.x/2.x would wait forever for
    # a required check that never fires.
    branches: [main, 3.x, 2.x]
  schedule:
    - cron: '0 19 * * 4'
 
permissions:
  contents: read
 
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
 
jobs:
  analyze:
    timeout-minutes: 30
    permissions:
      actions: read          # for github/codeql-action/init to get workflow details
      contents: read         # for actions/checkout to fetch code
      security-events: write # for github/codeql-action/autobuild to send a status report
    name: Analyze
    runs-on: latchkey-small
 
    strategy:
      fail-fast: false
      matrix:
        # Override automatic language detection by changing the below list
        # Supported options are ['csharp', 'cpp', 'go', 'java', 'javascript', 'python']
        language: ['javascript']
        # Learn more...
        # https://docs.github.com/en/github/finding-security-vulnerabilities-and-errors-in-your-code/configuring-code-scanning#overriding-automatic-language-detection
 
    steps:
    - name: Harden the runner (Audit all outbound calls)
      uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
      with:
        egress-policy: audit
 
    - name: Checkout repository
      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
      with:
        persist-credentials: false
        # Default fetch-depth is fine. The old 'git checkout HEAD^2' dance
        # from legacy CodeQL templates is no longer needed - modern
        # codeql-action handles PR head checkout itself, and under this
        # repo's linear-history ruleset PRs aren't two-parent merges anyway.
 
    # Initializes the CodeQL tools for scanning.
    - name: Initialize CodeQL
      uses: github/codeql-action/init@54f647b7e1bb85c95cddabcd46b0c578ec92bc1a # v4.36.3
      with:
         languages: ${{ matrix.language }}
 
    # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
    # If this step fails, then you should remove it and run the build manually (see below)
    - name: Autobuild
      uses: github/codeql-action/autobuild@54f647b7e1bb85c95cddabcd46b0c578ec92bc1a # v4.36.3
 
    # ℹ️ Command-line programs to run using the OS shell.
    # 📚 https://git.io/JvXDl
 
    # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
    #    and modify them (or add more) to build your code if your project
    #    uses a compiled language
 
    #- run: |
    #   make bootstrap
    #   make release
 
    - name: Perform CodeQL Analysis
      uses: github/codeql-action/analyze@54f647b7e1bb85c95cddabcd46b0c578ec92bc1a # v4.36.3