name: split
# One step of the module split, performed on the runner: rebuild from main's index.html with tools/split.js (the
# line map), apply tools/split-post.py, check, commit to the branch the workflow was dispatched on. Throwaway once
# the split has landed.
on:
  workflow_dispatch:
    inputs:
      step:
        description: "comma list of modules to extract (the rest stays inline), or all"
        required: true
      message:
        description: "commit message (first line)"
        required: true
permissions:
  contents: write
jobs:
  split:
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - uses: actions/checkout@v5
        with:
          fetch-depth: 0
      - uses: actions/setup-node@v4
        with:
          node-version: 22
      - name: rebuild from main's index.html
        env:
          STEP_IN: ${{ github.event.inputs.step }}
        run: |
          set -eu
          git show origin/main:index.html > index.html
          if [ "$STEP_IN" = all ]; then WRITE=1 node tools/split.js > /dev/null; else STEP="$STEP_IN" WRITE=1 node tools/split.js > /dev/null; fi
          python3 tools/split-post.py
          node --check $(ls *.js ui/*.js 2>/dev/null | grep -v -e brain.js -e sw.js)
          if [ -f covers.js ] && [ -f render.js ]; then node tools/check-pure.mjs; fi
          wc -l index.html *.js ui/*.js 2>/dev/null || true
      - name: commit
        env:
          MSG: ${{ github.event.inputs.message }}
        run: |
          set -eu
          git add -A
          if git diff --cached --quiet; then echo "nothing changed"; exit 0; fi
          git -c user.name='Claude Fable 5.1' -c user.email='noreply@anthropic.com' commit -q -m "$MSG" -m "Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>" -m "Claude-Session: https://claude.ai/code/session_01Dhu3iHseRewQ2WpBSVLokG"
          git push -q origin "HEAD:${GITHUB_REF_NAME}"