ci: install Node.js and pnpm for frontend build

.github/workflows/build.yml

@@ -21,11 +21,13 @@ on:
         "**/*.c",
         "**/*.cpp",
         "**/*.cu",
+        "examples/server/frontend/**",
       ]
   pull_request:
     types: [opened, synchronize, reopened]
     paths:
       [
+        ".github/workflows/**",
         "**/CMakeLists.txt",
         "**/Makefile",
         "**/*.h",
@@ -33,6 +35,7 @@ on:
         "**/*.c",
         "**/*.cpp",
         "**/*.cu",
+        "examples/server/frontend/**",
       ]
 
 env:
@@ -53,6 +56,18 @@ jobs:
         with:
           submodules: recursive
 
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: pnpm
+          cache-dependency-path: examples/server/frontend/pnpm-lock.yaml
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 9
+
       - name: Dependencies
         id: depends
         run: |
@@ -106,6 +121,18 @@ jobs:
         with:
           submodules: recursive
 
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: pnpm
+          cache-dependency-path: examples/server/frontend/pnpm-lock.yaml
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 9
+
       - name: Dependencies
         id: depends
         run: |
@@ -174,6 +201,18 @@ jobs:
         with:
           submodules: recursive
 
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: pnpm
+          cache-dependency-path: examples/server/frontend/pnpm-lock.yaml
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 9
+
       - name: Get commit hash
         id: commit
         if: ${{ ( github.event_name == 'push' && github.ref == 'refs/heads/master' ) || github.event.inputs.create_release == 'true' }}
@@ -223,6 +262,18 @@ jobs:
         with:
           submodules: recursive
 
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: pnpm
+          cache-dependency-path: examples/server/frontend/pnpm-lock.yaml
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 9
+
       - name: Dependencies
         id: depends
         run: |
@@ -294,6 +345,18 @@ jobs:
         with:
           submodules: recursive
 
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: pnpm
+          cache-dependency-path: examples/server/frontend/pnpm-lock.yaml
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 9
+
       - name: Install cuda-toolkit
         id: cuda-toolkit
         if: ${{ matrix.build == 'cuda12' }}
@@ -399,6 +462,18 @@ jobs:
         with:
           submodules: recursive
 
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: pnpm
+          cache-dependency-path: examples/server/frontend/pnpm-lock.yaml
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 9
+
       - name: Cache ROCm Installation
         id: cache-rocm
         uses: actions/cache@v4
@@ -502,6 +577,18 @@ jobs:
         with:
           submodules: recursive
 
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: pnpm
+          cache-dependency-path: examples/server/frontend/pnpm-lock.yaml
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: 9
+
       - name: Free disk space
         run: |
           # Remove preinstalled SDKs and caches not needed for this job