feat: add github action to deploy to cloudflare pages

.github/workflows/pages.yml

@@ -0,0 +1,105 @@
+name: Deploy to Cloudflare Pages
+
+on:
+  pull_request:
+  push:
+    branches:
+      - "main"
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    permissions:
+      pull-requests: write
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          ref: ${{ github.head_ref }}
+
+      - name: Extract branch name
+        shell: bash
+        run: echo "branch=${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}" >> $GITHUB_OUTPUT
+        id: extract_branch
+
+      - name: Get latest commit hash of the PR branch
+        run: |
+          # Get the latest commit hash of the source branch of the PR
+          PR_BRANCH="${{ github.head_ref }}"
+          echo "Pull request branch: $PR_BRANCH"
+
+          # Fetch the commit hash for the PR branch
+          git fetch origin $PR_BRANCH
+
+          LATEST_COMMIT=$(git log -n 1 --oneline $PR_BRANCH | cut -d ' ' -f 1)
+
+          echo "Latest commit hash: $LATEST_COMMIT"
+          echo "LATEST_COMMIT=${LATEST_COMMIT}" >> $GITHUB_ENV
+
+      - name: Get Head Commit Message
+        shell: bash
+        id: get_head_commit_message
+        run: echo "commit=$(git show -s --format=%s)" >> "$GITHUB_OUTPUT"
+
+      # stolen from: https://github.com/cloudflare/pages-action/issues/16#issuecomment-1398478711
+      - name: Comment deploy start
+        if: github.event_name != 'push'
+        uses: mshick/add-pr-comment@v2
+        with:
+          message-id: cloudflare-deploy
+          message: |
+            ### <span aria-hidden="true">🚧</span> Deploy Preview building...
+
+            |  Name | Link |
+            |---------------------------------|------------------------|
+            | **Latest commit** | ${{ env.LATEST_COMMIT }} |
+            | **Latest deploy log** | ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }} |
+            ---
+
+      - name: Install rust toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: 1.81.0
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20.2"
+
+      - name: Install wasm-pack
+        run: |
+          curl https://rustwasm.github.io/wasm-pack/installer/init.sh -sSf | sh
+
+      - name: Install npm dependencies
+        working-directory: crates/org-wasm
+        run: npm install
+
+      - name: Generate wasm binaries
+        working-directory: crates/org-wasm
+        run: wasm-pack build  --release --target bundler
+
+      - name: Deploy npm
+        working-directory: crates/org-wasm
+        run: npm run deploy
+
+      - name: Publish to Cloudflare
+        id: deploy
+        uses: cloudflare/wrangler-action@v3
+        with:
+          apiToken: ${{ secrets.CLOUDFLARE_API_TOKEN }}
+          accountId: ${{ secrets.CLOUDFLARE_ACCOUNT_ID }}
+          command: pages deploy crates/org-wasm/dist --project-name=org-rust --branch ${{ steps.extract_branch.outputs.branch }} --commit-hash ${{ env.LATEST_COMMIT }} --commit-message "${{ steps.get_head_commit_message.outputs.commit }}"
+
+      - name: Comment deploy url
+        uses: mshick/add-pr-comment@v2
+        with:
+          message-id: cloudflare-deploy
+          message: |
+            ### <span aria-hidden="true">✅</span> Deploy Preview ready!
+
+            |  Name | Link |
+            |---------------------------------|------------------------|
+            | **Latest commit** | ${{ env.LATEST_COMMIT }} |
+            | **Latest deploy log** | ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }} |
+            | **Deploy Preview Url** | [${{ steps.deploy.outputs.pages-deployment-alias-url }}](${{ steps.deploy.outputs.pages-deployment-alias-url }}) |
+            ---

crates/org-wasm/README.md

@@ -34,14 +34,12 @@ Then for the site itself (output will be found at `/dist`):
 npm run deploy
 ```
 
-or alternatively:
+or alternatively, for dev builds:
 
 ```
 npm run demo
 ```
 
-for dev builds.
-
 `/dist` can then be served as is.
 
 ### Other