Yet Another Csv Viewer, demo at https://davidelettieri.github.io/yacv/
to build: npx tsc
to test: node test
It is not really supported to write modules for the web without bundler or compiler: https://www.typescriptlang.org/docs/handbook/modules/guides/choosing-compiler-options.html#im-writing-es-modules-for-the-browser-with-no-bundler-or-module-compiler