Update cachetest.yml for Node.js caching setup

Author: v-HarithaVattikuti

.github/workflows/cachetest.yml

@@ -0,0 +1,53 @@
+name: Test cache restore 
+
+on:
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+
+    steps:
+      # Checkout repository
+      - uses: actions/checkout@v6
+      # Setup Node.js
+      - name: Setup Node.js
+        uses: actions/setup-node@v6
+        with:
+          node-version: '21'
+      - name: Normalize runner architecture (Linux/macOS)
+        if: runner.os != 'Windows'
+        shell: bash
+        run: echo "ARCH=$(echo '${{ runner.arch }}' | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV
+      - name: Normalize runner architecture (Windows)
+        if: runner.os == 'Windows'
+        shell: pwsh
+        run: |
+           $arch = "${{ runner.arch }}".ToLower()
+           echo "ARCH=$arch" | Out-File $env:GITHUB_ENV -Append
+      # Detect package manager and its cache path
+      - name: Detect package manager and cache path
+        shell: bash
+        run: |
+          set -e
+          # UPDATE THESE VALUES FOR YOUR PROJECT:
+          PACKAGE_MANAGER="npm"              # Specify: npm, yarn, or pnpm
+          CACHE_PATH="$(npm config get cache)"      # npm: npm config get cache | yarn: yarn cache dir | pnpm: pnpm store path
+          LOCK_PATTERN="**/package-lock.json"                # npm: **/package-lock.json | yarn: **/yarn.lock | pnpm: **/pnpm-lock.yaml
+          echo "PACKAGE_MANAGER=$PACKAGE_MANAGER" >> $GITHUB_ENV
+          echo "NODE_CACHE=$CACHE_PATH" >> $GITHUB_ENV
+          echo "LOCK_PATTERN=$LOCK_PATTERN" >> $GITHUB_ENV
+      # Restore dependency cache using a unified key format
+      - name: Restore Node cache
+        uses: actions/cache/restore@v5
+        with:
+          path: ${{ env.NODE_CACHE }}
+          key: node-cache-${{ runner.os }}-${{ env.ARCH }}-${{ env.PACKAGE_MANAGER }}-${{ hashFiles(env.LOCK_PATTERN) }}
+      # Install dependencies based on detected package manager
+      - name: Install dependencies
+        shell: bash
+        run: npm ci    # npm: npm ci | yarn: yarn install --frozen-lockfile | pnpm: pnpm install --frozen-lockfile