### Describe the enhancement requested We're using google-closure-compiler for building UMD bundles. It's better that we use other product to build UMD bundles. Candidates: * webpack + Terser: https://github.com/apache/arrow-js/pull/149#issuecomment-2960777830 * tsc: https://github.com/apache/arrow-js/pull/149#issuecomment-2965359506