Use globalThis instead of global in tests.

Author: jaydenseric

changelog.md

@@ -21,6 +21,7 @@
 - Removed the now redundant `not IE > 0` from the Browserslist query.
 - Updated `react-dom/server` imports in tests to suit React v18.
 - Fixed the `fetchGraphQL` test with the global `fetch` API unavailable for new versions of Node.js that have the `fetch` global.
+- Use `globalThis` instead of `global` in tests.
 - Fixed some JSDoc links.
 - Removed some unnecessary JSDoc comments in tests.
 - Revamped the readme:

test/polyfills/AbortController.mjs

@@ -4,4 +4,5 @@
 
 import { AbortController } from "abort-controller";
 
-if (!("AbortController" in global)) global.AbortController = AbortController;
+if (!("AbortController" in globalThis))
+  globalThis.AbortController = AbortController;

test/polyfills/AbortSignal.mjs

@@ -4,4 +4,4 @@
 
 import { AbortSignal } from "abort-controller";
 
-if (!("AbortSignal" in global)) global.AbortSignal = AbortSignal;
+if (!("AbortSignal" in globalThis)) globalThis.AbortSignal = AbortSignal;

test/polyfills/CustomEvent.mjs

@@ -1,12 +1,12 @@
 // @ts-check
 
-if (!("CustomEvent" in global))
-  global.CustomEvent =
+if (!("CustomEvent" in globalThis))
+  globalThis.CustomEvent =
     /**
      * `CustomEvent` polyfill.
-     * @type {typeof global.CustomEvent}
+     * @type {typeof globalThis.CustomEvent}
      */
-    class CustomEvent extends global.Event {
+    class CustomEvent extends globalThis.Event {
       /**
        * @param {string} type Event type.
        * @param {CustomEventInit} [eventInitDict] Custom event options.

test/polyfills/Event.mjs

@@ -2,4 +2,4 @@
 
 import { Event } from "event-target-shim";
 
-if (!("Event" in global)) global.Event = Event;
+if (!("Event" in globalThis)) globalThis.Event = Event;

test/polyfills/EventTarget.mjs

@@ -2,4 +2,4 @@
 
 import { EventTarget } from "event-target-shim";
 
-if (!("EventTarget" in global)) global.EventTarget = EventTarget;
+if (!("EventTarget" in globalThis)) globalThis.EventTarget = EventTarget;

test/polyfills/performance.mjs

@@ -2,6 +2,6 @@
 
 import { performance } from "perf_hooks";
 
-if (!("performance" in global))
+if (!("performance" in globalThis))
   // @ts-ignore Node.js has a partial implementation.
-  global.performance = performance;
+  globalThis.performance = performance;