fix: exit if already published to npm (#111)

Author: iowillhoit

.github/workflows/npmPublish.yml

@@ -76,6 +76,13 @@ jobs:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
       - run: echo "published said ${{ steps.is-published.outputs.published }}"
 
+  fail-if-published:
+    needs: [check-publish]
+    if: needs.check-publish.outputs.published == 'true'
+    uses: actions/github-script@v7
+    with:
+      script: core.setFailed("The version '${{ inputs.githubTag }}' has already been published to npm")
+
   ctc-open:
     needs: [check-publish]
     if: inputs.ctc && needs.check-publish.outputs.published == 'false'