feat: rewrite yew.rs website with Yew (#4069)

Replace the Docusaurus-based website with a pure Rust/Yew implementation.

The SSG pipeline compiles each page to WASM, runs wasm-bindgen and
wasm-opt, then captures SSR output for SEO-friendly HTML. All docs
(5 versions x 4 languages), blog posts, community pages, search, and
404 are generated as static files.

Key features:
- Content model with dual HTML/Markdown rendering for copy-as-markdown
- Syntax highlighting via syntect with light/dark themes
- Collapsible sidebar, table of contents, breadcrumbs, pagination
- 3-state theme toggle (light/dark/system)
- Blog with date-prefixed URLs, index, sidebar, RSS and Atom feeds
- Full-page Algolia search with version faceting
- SEO: hreflang, OG tags, JSON-LD breadcrumbs, canonical URLs
- E2E tests with fantoccini/geckodriver
- Deduplicated versioned docs across 0.20/0.21/0.22/0.23/next

Author: Madoshakalaka

.github/workflows/build-website.yml

@@ -3,14 +3,18 @@ on:
   pull_request:
     branches: [master]
     paths:
-      - "website/**"
-      - "firebase.json"
+      - "yew-rs/**"
+      - "website/static/**"
+      - "Cargo.toml"
+      - "Cargo.lock"
       - ".github/workflows/*-website.yml"
   push:
     branches: [master]
     paths:
-      - "website/**"
-      - "firebase.json"
+      - "yew-rs/**"
+      - "website/static/**"
+      - "Cargo.toml"
+      - "Cargo.lock"
       - ".github/workflows/*-website.yml"
 
 jobs:
@@ -20,40 +24,36 @@ jobs:
     steps:
       - uses: actions/checkout@v6
 
-      - name: Setup node
-        uses: actions/setup-node@v6
+      - name: Setup toolchain
+        uses: dtolnay/rust-toolchain@master
         with:
-          node-version: "lts/Jod"
-          package-manager-cache: false
+          toolchain: stable
+          targets: wasm32-unknown-unknown
 
-      - name: Install dependencies
-        run: |
-          cd website
-          npm ci
+      - uses: Swatinem/rust-cache@v2
+        with:
+          save-if: ${{ github.ref == 'refs/heads/master' }}
 
-      - name: Run prettier
-        id: fmt
-        continue-on-error: true
-        run: |
-          cd website
-          npm run fmt
+      - name: Install wasm-bindgen-cli
+        shell: bash
+        run: ./ci/install-wasm-bindgen-cli.sh
 
-      - if: steps.fmt.outcome == 'failure'
-        run: |
-          cd website
-          npm run fmt:write
-          git diff
-          exit 1
+      - name: Get latest wasm-opt version
+        id: wasm-opt
+        uses: pozetroninc/github-action-get-latest-release@master
+        with:
+          repository: WebAssembly/binaryen
+          excludes: prerelease, draft
+          token: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Check Translations
+      - name: Install wasm-opt
         run: |
-          cd website
-          npm run check-translations
+          VERSION="${{ steps.wasm-opt.outputs.release }}"
+          curl -sL "https://github.com/WebAssembly/binaryen/releases/download/${VERSION}/binaryen-${VERSION}-x86_64-linux.tar.gz" | tar xz
+          sudo install "binaryen-${VERSION}/bin/wasm-opt" /usr/local/bin/
 
-      - name: Build
-        run: |
-          cd website
-          npm run build
+      - name: Build site
+        run: cargo run --release -p yew-site-ssg
 
       - name: Upload build artifact
         uses: actions/upload-artifact@v7

.github/workflows/test-website.yml

@@ -44,3 +44,54 @@ jobs:
 
       - name: Run website code snippet tests
         run: cargo test -p website-test --target wasm32-unknown-unknown
+
+  website_e2e:
+    name: Website E2E Navigation
+    needs: [website_tests]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+
+      - name: Setup toolchain
+        uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: stable
+          targets: wasm32-unknown-unknown
+
+      - uses: Swatinem/rust-cache@v2
+        with:
+          save-if: false
+
+      - name: Install wasm-bindgen-cli
+        shell: bash
+        run: ./ci/install-wasm-bindgen-cli.sh
+
+      - name: Get latest wasm-opt version
+        id: wasm-opt
+        uses: pozetroninc/github-action-get-latest-release@master
+        with:
+          repository: WebAssembly/binaryen
+          excludes: prerelease, draft
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Install wasm-opt
+        run: |
+          VERSION="${{ steps.wasm-opt.outputs.release }}"
+          curl -sL "https://github.com/WebAssembly/binaryen/releases/download/${VERSION}/binaryen-${VERSION}-x86_64-linux.tar.gz" | tar xz
+          sudo install "binaryen-${VERSION}/bin/wasm-opt" /usr/local/bin/
+
+      - name: Build site
+        run: cargo run --release -p yew-site-ssg
+
+      - uses: browser-actions/setup-geckodriver@latest
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Start geckodriver
+        run: geckodriver --port 4444 &
+
+      - name: Run e2e tests
+        env:
+          HEADLESS: "1"
+          WEBDRIVER_URL: "http://localhost:4444"
+        run: cargo test -p website-e2e -- --test-threads=1