feat(i18n): add useIntlDateTimeFormat hook

packages/sanity/src/core/i18n/hooks/useIntlDateTimeFormat.ts

@@ -0,0 +1,27 @@
+import {intlCache} from '../intlCache'
+import {useCurrentLocale} from './useLocale'
+
+/**
+ * Options for the `useIntlDateTimeFormat` hook
+ *
+ * @public
+ */
+export type UseIntlDateTimeFormatOptions = Omit<
+  Intl.DateTimeFormatOptions,
+  'fractionalSecondDigits'
+>
+
+/**
+ * Returns an instance of `Intl.DateTimeFormat` that uses the currently selected locale,
+ * and enables locale and culture-sensitive date formatting.
+ *
+ * @param options - Optional options for the date/time formatter
+ * @returns Instance of `Intl.DateTimeFormat`
+ * @public
+ */
+export function useIntlDateTimeFormat(
+  options: UseIntlDateTimeFormatOptions = {},
+): Intl.DateTimeFormat {
+  const currentLocale = useCurrentLocale()
+  return intlCache.dateTimeFormat(currentLocale, options)
+}