import { default } from "https://deno.land/x/endofunctor@v0.0.922/components/encode/b64toUrl.mjs";
Selects and returns a function to convert Base64 strings to Base64Url strings based on the runtime environment.
The function checks the runtime (Bun, Deno, or Node) and returns the respective conversion function. If the runtime is not Bun or Deno, it defaults to Node.