Fixes type check

Author: latin-panda

packages/xpath/test/helpers.ts

@@ -10,14 +10,33 @@ type AnyParentNode =
 	| XMLDocument;
 
 declare global {
+	/**
+	 * The timezone identifier used for all date and time operations in tests.
+	 * This string follows the IANA Time Zone Database format (e.g., 'America/Phoenix').
+	 * It determines the offset and DST behavior for `Date` objects and
+	 * related functions.
+	 *
+	 * @example 'America/Phoenix' // Fixed UTC-7, no DST
+	 * @example 'Europe/London' // UTC+0 (GMT) or UTC+1 (BST) with DST
+	 */
 	// eslint-disable-next-line no-var
 	var TZ: string | undefined;
 	// eslint-disable-next-line no-var
+	var LOCALE_ID: string | undefined;
+	/**
+	 * The locale string defining the language and regional formatting for tests.
+	 * This follows the BCP 47 language tag format (e.g., 'en-US'). It ensures consistent formatting
+	 * across tests.
+	 *
+	 * @example 'en-US' // American English
+	 */
+	// eslint-disable-next-line no-var
 	var IMPLEMENTATION: string | undefined;
 }
 
 globalThis.IMPLEMENTATION = typeof IMPLEMENTATION === 'string' ? IMPLEMENTATION : undefined;
 globalThis.TZ = typeof TZ === 'string' ? TZ : undefined;
+globalThis.LOCALE_ID = typeof LOCALE_ID === 'string' ? LOCALE_ID : undefined;
 
 const namespaces: Record<string, string> = {
 	xhtml: 'http://www.w3.org/1999/xhtml',
@@ -338,3 +357,7 @@ export const getNonNamespaceAttributes = (element: Element): readonly Attr[] =>
 
 	return attrs.filter(({ name }) => name !== 'xmlns' && !name.startsWith('xmlns:'));
 };
+
+export const getDefaultDateTimeLocale = (): string => {
+	return new Date().toLocaleString(LOCALE_ID, { timeZone: TZ });
+};

packages/xpath/test/setup.ts

@@ -1,37 +1,9 @@
 import { afterEach, beforeEach } from 'vitest';
 import { vi } from 'vitest';
-
-/**
- * Global constants injected via Vite's `define` configuration option.
- * These values are replaced at build time and are available throughout
- * the test suite.
- *
- * @global
- */
-declare global {
-	/**
-	 * The timezone identifier used for all date and time operations in tests.
-	 * This string follows the IANA Time Zone Database format (e.g., 'America/Phoenix').
-	 * It determines the offset and DST behavior for `Date` objects and
-	 * related functions.
-	 *
-	 * @example 'America/Phoenix' // Fixed UTC-7, no DST
-	 * @example 'Europe/London' // UTC+0 (GMT) or UTC+1 (BST) with DST
-	 */
-	const TZ: string;
-
-	/**
-	 * The locale string defining the language and regional formatting for tests.
-	 * This follows the BCP 47 language tag format (e.g., 'en-US'). It ensures consistent formatting
-	 * across tests.
-	 *
-	 * @example 'en-US' // American English
-	 */
-	const LOCALE_ID: string;
-}
+import { getDefaultDateTimeLocale } from './helpers.ts';
 
 beforeEach(() => {
-	const dateOnTimezone = new Date().toLocaleString(LOCALE_ID, { timeZone: TZ });
+	const dateOnTimezone = getDefaultDateTimeLocale();
 	vi.useFakeTimers({
 		now: new Date(dateOnTimezone).getTime(),
 	});