Update pipeline.yml

.github/workflows/pipeline.yml

@@ -189,16 +189,20 @@ jobs:
         with:
           node-version: '20.x'
           registry-url: 'https://registry.npmjs.org/'
+      - name: Install pnpm
+        run: npm install -g pnpm
+      - name: Install Dependencies
+        run: pnpm install
       - uses: actions/download-artifact@v4
         with:
           name: code-changes-artifact # get artifact containing whether there were code changes
       - name: Read Code Changes Flag From Artifact
         run: |
           echo "CODE_CHANGES=$(cat code_changes.txt)" >> $GITHUB_ENV
-      - name: Install dependencies
-        run: npm install
       - name: Get package version number
         run: echo "PACKAGE_VERSION=$(node -p "require('./package.json').version")" >> $GITHUB_ENV
+      - name: Build TypeScript into JavaScript build artifact
+        run: pnpm run build
       - name: Publish to NPM # only run if there were code changes
         if: env.CODE_CHANGES == 'true' && env.PACKAGE_VERSION
         run: npm publish