add version-check

.github/workflows/npm-publish.yml

@@ -1,4 +1,4 @@
-# This workflow will run tests, and publish an npm package when something is pushed to the main branch.
+# This workflow will build a Node.js project, run tests, and publish an npm package when something is pushed to the main branch.
 
 name: Publish to npm
 
@@ -22,11 +22,26 @@ jobs:
     needs: build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/setup-node@v3
+      - name: Checkout Repository
+        uses: actions/checkout@v3
+
+      - name: Check version changes
+        uses: EndBug/version-check@v2
+        id: check
+
+      - name: Version update detected
+        if: steps.check.outputs.changed == 'true'
+        run: 'echo "Version change found! New version: ${{ steps.check.outputs.version }} (${{ steps.check.outputs.type }})"'
+
+      - name: Set up Node.js for NPM
+        if: steps.check.outputs.changed == 'true'
+        uses: actions/setup-node@v3
         with:
           node-version: 16
           registry-url: https://registry.npmjs.org/
-      - run: npm publish
+
+      - name: Publish the package to NPM
+        if: steps.check.outputs.changed == 'true'
+        run: npm publish
         env:
           NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}