_runtime.yml

name: _Runtime CDN Upload

on:
  workflow_call:

jobs:
  deploy:
    name: Cloudflare Pages
    runs-on: ubuntu-latest
    permissions:
      contents: read

    steps:
      - uses: actions/checkout@v6

      - uses: actions/setup-node@v6
        with:
          node-version: "22"

      # Download the .wasm already compiled and optimized by _wasm.yml.
      - name: Download wasm artifact
        uses: actions/download-artifact@v8
        with:
          name: compiler_lib_wasm
          path: runtime/

      # Stage runtime/ under /js/ so Pages serves it at runtime.edgepython.com/js/*. Reserved siblings: /wasi/ for the future WASI runtime.
      - name: Stage publish dir
        run: |
          mkdir -p _site
          cp -r runtime _site/js

      - name: Deploy to Cloudflare Pages
        uses: cloudflare/wrangler-action@v4
        with:
          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
          # Pin to the Pages production branch. `github.ref_name` would be the tag name (e.g. `v0.1.0`) on tag pushes, which Pages treats as a preview deploy with a per-branch URL — the custom domain `runtime.edgepython.com` would never pick it up.
          command: pages deploy _site --project-name=edge-python-runtime --branch=main