feat(extensions-cli): Add .gitignore generation to init command (#36768)

superset-extensions-cli/src/superset_extensions_cli/cli.py

@@ -484,6 +484,11 @@ def init(
     (target_dir / "extension.json").write_text(extension_json)
     click.secho("✅ Created extension.json", fg="green")
 
+    # Create .gitignore
+    gitignore = env.get_template(".gitignore.j2").render(ctx)
+    (target_dir / ".gitignore").write_text(gitignore)
+    click.secho("✅ Created .gitignore", fg="green")
+
     # Initialize frontend files
     if include_frontend:
         frontend_dir = target_dir / "frontend"

superset-extensions-cli/src/superset_extensions_cli/templates/.gitignore.j2

@@ -0,0 +1,36 @@
+# Dependencies
+node_modules/
+
+# Build outputs
+dist/
+*.supx
+
+# Python
+__pycache__/
+*.py[cod]
+*$py.class
+*.egg-info/
+.eggs/
+*.egg
+.venv/
+venv/
+env/
+ENV/
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Logs
+*.log
+npm-debug.log*
+
+# Environment
+.env
+.env.local