Return the name of the JavaScript runtime the script is running in

runtime.js

const runtime = () => {
  // TODO: More direct and exclusionary way to do this for QuickJS
  if (
    !globalThis.hasOwnProperty("hasOwn") &&
    Array.isArray(globalThis.scriptArgs)
  ) {
    return "qjs";
  }
  if (Object.hasOwn(globalThis, "tjs")) {
    return globalThis.tjs.args[0];
  }
  if (Object.hasOwn(globalThis, "process")) {
    if (globalThis.process.argv0 === "node") {
      return globalThis.process.argv0;
    }
    if (
      globalThis.process.argv0 === "bun" 
      && globalThis.process.isBun) {
      return globalThis.process.argv0;
    }
  }
  if (Object.hasOwn(globalThis, "Deno")) {
    return Object.keys(globalThis.Deno.version).shift();
  }
};

console.log(runtime());