feat: i18n - include currency code in locale data (#32584)

PR Close #32584

packages/core/src/i18n/locale_data_api.ts

@@ -63,6 +63,21 @@ export function findLocaleData(locale: string): any {
   throw new Error(`Missing locale data for the locale "${locale}".`);
 }
 
+/**
+ * Retrieves the default currency code for the given locale.
+ *
+ * The default is defined as the first currency which is still in use.
+ *
+ * @param locale The code of the locale whose currency code we want.
+ * @returns The code of the default currency for the given locale.
+ *
+ * @publicApi
+ */
+export function getLocaleCurrencyCode(locale: string): string|null {
+  const data = findLocaleData(locale);
+  return data[LocaleDataIndex.CurrencyCode] || null;
+}
+
 /**
  * Retrieves the plural function used by ICU expressions to determine the plural case to use
  * for a given locale.
@@ -116,6 +131,7 @@ export enum LocaleDataIndex {
   DateTimeFormat,
   NumberSymbols,
   NumberFormats,
+  CurrencyCode,
   CurrencySymbol,
   CurrencyName,
   Currencies,

packages/core/src/i18n/locale_en.ts

@@ -44,6 +44,7 @@ export default [
   ['{1}, {0}', u, '{1} \'at\' {0}', u],
   ['.', ',', ';', '%', '+', '-', 'E', '×', '‰', '∞', 'NaN', ':'],
   ['#,##0.###', '#,##0%', '¤#,##0.00', '#E0'],
+  'USD',
   '$',
   'US Dollar',
   {},