fix: load only specified typings for TypeScript (#14808)

Fix: Don't rely on `global` object available only in Node. Fixes ckeditor/vite-plugin-ckeditor5#17 and #14801.

Internal: Load only specified typings for TypeScript. Closes #14173.

packages/ckeditor5-engine/src/view/observer/mutationobserver.ts

@@ -55,7 +55,7 @@ export default class MutationObserver extends Observer {
 	/**
 	 * Native mutation observer.
 	 */
-	private _mutationObserver: InstanceType<typeof global.MutationObserver>;
+	private _mutationObserver: InstanceType<typeof window.MutationObserver>;
 
 	/**
 	 * @inheritDoc

packages/ckeditor5-utils/src/dom/getelementsintersectionrect.ts

@@ -7,6 +7,7 @@
  * @module utils/dom/getelementsintersectionrect
  */
 
+import global from './global';
 import Rect from './rect';
 
 /**

packages/ckeditor5-utils/src/version.ts

@@ -7,8 +7,6 @@
  * @module utils/version
  */
 
-/* globals window, global */
-
 import CKEditorError from './ckeditorerror';
 
 const version = '39.0.1';
@@ -18,16 +16,13 @@ export default version;
 // The second argument is not a month. It is `monthIndex` and starts from `0`.
 export const releaseDate = new Date( 2023, 7, 10 );
 
-/* istanbul ignore next -- @preserve */
-const windowOrGlobal = typeof window === 'object' ? window : global;
-
 declare global {
 	// eslint-disable-next-line no-var
 	var CKEDITOR_VERSION: string;
 }
 
 /* istanbul ignore next -- @preserve */
-if ( windowOrGlobal.CKEDITOR_VERSION ) {
+if ( globalThis.CKEDITOR_VERSION ) {
 	/**
 	 * This error is thrown when due to a mistake in how CKEditor 5 was installed or initialized, some
 	 * of its modules were duplicated (evaluated and executed twice). Module duplication leads to inevitable runtime
@@ -167,5 +162,5 @@ if ( windowOrGlobal.CKEDITOR_VERSION ) {
 		null
 	);
 } else {
-	windowOrGlobal.CKEDITOR_VERSION = version;
+	globalThis.CKEDITOR_VERSION = version;
 }

tsconfig.json

@@ -5,7 +5,18 @@
  */
 {
   "compilerOptions": {
+    /**
+     * TypeScript automagically loads typings from all "@types/*" packages if the "compilerOptions.types" array is not defined in
+     * this file. However, if some dependencies have "@types/*" packages as their dependencies, they'll also be loaded as well.
+     * As a result, TypeScript loaded "@types/node" which we don't want to use, because it allows using Node.js specific APIs that
+     * are not available in the browsers.
+     *
+     * To avoid such issues, we defined this empty "types" to disable automatic inclusion of the "@types/*" packages.
+     */
+    "types": [],
     "lib": [
+      "ES2019", // Must match the "target"
+      "ES2020.String",
       "DOM",
       "DOM.Iterable"
     ],