deploy-wasm.yml

name: Deploy WASM

on:
  push:
    branches: [main]

jobs:
  deploy:
    runs-on: ubuntu-latest
    env:
      TARGET_DIR: target
    steps:
      - uses: actions/checkout@v6

      - uses: actions/setup-go@v6
        with:
          go-version-file: go.mod

      - name: Build WASM
        run: GOOS=js GOARCH=wasm go build -o river-raid.wasm .

      - name: Copy wasm_exec.js
        run: cp $(go env GOROOT)/lib/wasm/wasm_exec.js .

      - name: Checkout target repo
        uses: actions/checkout@v6
        with:
          repository: river-raid/river-raid.github.io
          token: ${{ secrets.DEPLOY_TOKEN }}
          path: ${{ env.TARGET_DIR }}

      - name: Copy artifacts
        run: |
          cp river-raid.wasm ${{ env.TARGET_DIR }}/
          cp wasm_exec.js ${{ env.TARGET_DIR }}/

      - name: Commit and push
        working-directory: ${{ env.TARGET_DIR }}
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add river-raid.wasm wasm_exec.js
          git diff --cached --quiet || (git commit -m "Deploy WASM build from ${GITHUB_SHA::7}" && git push)