UI5 Tooling Transpile

UI5 CLI extension that provides a middleware and task to transpile JavaScript or TypeScript code to ES5 using Babel. Version 3.11.0, actively maintained by the UI5 community. Supports on-the-fly development server transpilation with sourcemaps for debugging original ES6+/TS sources, and a build task that generates bundled transpiled output including d.ts files for libraries. Configuration-driven via ui5.yaml with support for custom Babel configs, include/exclude patterns, and TypeScript auto-detection via tsconfig.json. Requires @ui5/cli@3.0.0+ and specVersion 3.0.0. Key differentiator: tight integration with UI5's build tooling without modifying the application codebase.