Update nextjs.yml to use pnpm

.github/workflows/nextjs.yml

@@ -31,28 +31,26 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - name: Detect package manager
-        id: detect-package-manager
+      - uses: pnpm/action-setup@v4
+        name: Install pnpm
+        with:
+          version: 8
+          run_install: false
+      - name: Get pnpm store directory
+        shell: bash
         run: |
-          if [ -f "${{ github.workspace }}/yarn.lock" ]; then
-            echo "manager=yarn" >> $GITHUB_OUTPUT
-            echo "command=install" >> $GITHUB_OUTPUT
-            echo "runner=yarn" >> $GITHUB_OUTPUT
-            exit 0
-          elif [ -f "${{ github.workspace }}/package.json" ]; then
-            echo "manager=npm" >> $GITHUB_OUTPUT
-            echo "command=ci" >> $GITHUB_OUTPUT
-            echo "runner=npx --no-install" >> $GITHUB_OUTPUT
-            exit 0
-          else
-            echo "Unable to determine package manager"
-            exit 1
-          fi
+          echo "STORE_PATH=$(pnpm store path --silent)" >> $GITHUB_ENV
+      - uses: actions/cache@v4
+        name: Setup pnpm cache
+        with:
+          path: ${{ env.STORE_PATH }}
+          key: ${{ runner.os }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}
+          restore-keys: |
+            ${{ runner.os }}-pnpm-store-
       - name: Setup Node
         uses: actions/setup-node@v4
         with:
           node-version: "20"
-          cache: ${{ steps.detect-package-manager.outputs.manager }}
       - name: Setup Pages
         uses: actions/configure-pages@v5
         with:
@@ -61,18 +59,8 @@ jobs:
           #
           # You may remove this line if you want to manage the configuration yourself.
           static_site_generator: next
-      - name: Restore cache
-        uses: actions/cache@v4
-        with:
-          path: |
-            .next/cache
-          # Generate a new cache whenever packages or source files change.
-          key: ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json', '**/yarn.lock') }}-${{ hashFiles('**.[jt]s', '**.[jt]sx') }}
-          # If source files changed but packages didn't, rebuild from a prior cache.
-          restore-keys: |
-            ${{ runner.os }}-nextjs-${{ hashFiles('**/package-lock.json', '**/yarn.lock') }}-
       - name: Install dependencies
-        run: ${{ steps.detect-package-manager.outputs.manager }} ${{ steps.detect-package-manager.outputs.command }}
+        run: pnpm install
       - name: Build with Next.js
         run: ${{ steps.detect-package-manager.outputs.runner }} next build
       - name: Upload artifact