Android: Fixes #10152: Fix broken plugin API: editor.execCommand (#10153)

jest.base-setup.js

@@ -14,3 +14,22 @@ module.exports = () => {
 		global.console = jestConsole;
 	});
 };
+
+// jsdom extensions
+if (typeof document !== 'undefined') {
+	// Prevents the CodeMirror error "getClientRects is undefined".
+	// See https://github.com/jsdom/jsdom/issues/3002#issue-652790925
+	document.createRange = () => {
+		const range = new Range();
+		range.getBoundingClientRect = jest.fn();
+		range.getClientRects = () => {
+			return {
+				length: 0,
+				item: () => null,
+				[Symbol.iterator]: jest.fn(),
+			};
+		};
+
+		return range;
+	};
+}