feat: Publish if version not exists in npm

.github/workflows/publish.yml

@@ -5,7 +5,6 @@ on:
   push:
     branches:
       - master
-
 
 jobs:
   publish:
@@ -23,28 +22,28 @@ jobs:
         node-version: '18'
         registry-url: 'https://registry.npmjs.org'
 
-    - name: Check if version has changed
-      id: version_check
+    - name: Check if version exists on npm
+      id: npm_version_check
       run: |
         # Get the current version from package.json
         current_version=$(jq -r '.version' package.json)
         echo "Current version: $current_version"
-
-        # Get the previous version from the last commit
-        git fetch --depth=2
-        previous_version=$(git show HEAD^1:package.json | jq -r '.version')
-
-        echo "Previous version: $previous_version"
-
-        if [ "$current_version" != "$previous_version" ]; then
-          echo "::set-output name=version_changed::true"
-          echo "::set-output name=current_version::$current_version"
+        package_name=$(jq -r '.name' package.json)
+        echo "Package name: $package_name"
+        
+        # Check if the version exists on npm
+        npm_info=$(npm view "$package_name@$current_version" version || echo "not_found")
+
+        if [ "$npm_info" == "not_found" ]; then
+          echo "Version $current_version does not exist on npm."
+          echo "::set-output name=version_exists::false"
         else
-          echo "::set-output name=version_changed::false"
+          echo "Version $current_version already exists on npm."
+          echo "::set-output name=version_exists::true"
         fi
 
     - name: Publish to NPM
-      if: steps.version_check.outputs.version_changed == 'true'
+      if: steps.npm_version_check.outputs.version_exists == 'false'
       env:
         NODE_AUTH_TOKEN: ${{ secrets.NPM_CI_TOKEN }}
       run: |
@@ -53,7 +52,7 @@ jobs:
         npm publish
 
     - name: Create GitHub Release
-      if: steps.version_check.outputs.version_changed == 'true'
+      if: steps.npm_version_check.outputs.version_exists == 'false'
       env:
         GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       run: |