denoland-deno/tests/specs/npm/compare_globals/main.ts

/// <reference types="npm:@types/node" />

import * as globals from "npm:@denotest/globals";
console.log(globals.global === globals.globalThis);
// @ts-expect-error even though these are the same object, they have different types
console.log(globals.globalThis === globalThis);
console.log(globals.process.execArgv);
console.log("process equals process", process === globals.process);

type AssertTrue<T extends true> = never;
type _TestHasProcessGlobal = AssertTrue<
  typeof globalThis extends { process: any } ? true : false
>;
type _TestProcessGlobalVersion = AssertTrue<
  typeof process.versions.node extends string ? true : false
>;
type _TestNoBufferGlogal = AssertTrue<
  typeof globalThis extends { Buffer: any } ? false : true
>;
type _TestHasNodeJsGlobal = NodeJS.Architecture;

const controller = new AbortController();
controller.abort("reason"); // in the NodeJS declaration it doesn't have a reason

// Some globals are not the same between Node and Deno.
// @ts-expect-error incompatible types between Node and Deno
console.log("setTimeout 1", globalThis.setTimeout === globals.getSetTimeout());

// Super edge case where some Node code deletes a global where the
// Node code has its own global and the Deno code has the same global,
// but it's different. Basically if some Node code deletes
// one of these globals then we don't want it to suddenly inherit
// the Deno global (or touch the Deno global at all).
console.log("setTimeout 2", typeof globalThis.setTimeout);
console.log("setTimeout 3", typeof globals.getSetTimeout());
globals.deleteSetTimeout();
console.log("setTimeout 4", typeof globalThis.setTimeout);
console.log("setTimeout 5", typeof globals.getSetTimeout());

// In Deno 2 and Node.js, the window global is not defined.
console.log("window 1", "window" in globalThis);
console.log(
  "window 2",
  Object.getOwnPropertyDescriptor(globalThis, "window") !== undefined,
);
globals.checkWindowGlobal();

// In Deno 2 self global is defined, but in Node it is not.
console.log("self 1", "self" in globalThis);
console.log(
  "self 2",
  Object.getOwnPropertyDescriptor(globalThis, "self") !== undefined,
);
globals.checkSelfGlobal();

// "Non-managed" globals are shared between Node and Deno.
(globalThis as any).foo = "bar";
console.log((globalThis as any).foo);
console.log(globals.getFoo());

console.log(Reflect.ownKeys(globalThis).includes("console")); // non-enumerable keys are included