feat: adding auto publish pipeline

.gitea/workflows/publish.yml

@@ -0,0 +1,52 @@
+name: Publish to npm
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - 'package.json'   # se déclenche uniquement si package.json change
+
+jobs:
+  check-and-publish:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 2   # pour pouvoir comparer avec le commit précédent
+
+      - name: Check if version changed
+        id: version_check
+        run: |
+          PREV=$(git show HEAD~1:package.json | node -p "require('/dev/stdin').version" 2>/dev/null || echo "none")
+          CURR=$(node -p "require('./package.json').version")
+          echo "prev=$PREV"
+          echo "curr=$CURR"
+          if [ "$PREV" != "$CURR" ]; then
+            echo "changed=true" >> $GITHUB_OUTPUT
+          else
+            echo "changed=false" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Setup Node
+        if: steps.version_check.outputs.changed == 'true'
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'
+          registry-url: 'https://registry.npmjs.org'
+
+      - name: Update npm
+        if: steps.version_check.outputs.changed == 'true'
+        run: npm install -g npm@latest
+
+      - name: Install dependencies
+        if: steps.version_check.outputs.changed == 'true'
+        run: npm ci
+
+      - name: Publish
+        if: steps.version_check.outputs.changed == 'true'
+        run: npm publish
+        env:
+          NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}