Locale fix for ie

packages/terra-application/CHANGELOG.md

@@ -3,6 +3,7 @@
 ## Unreleased
 
 * Changed
+  * Updated `getBrowserLocale` method for IE.
   * Updated jest snapshots for terra-icon and terra-button changes.
   * Updated size explanations for ModalManager managed by DisclosureManagerContext.
   * Locked `uuid` dependency to `3.4.0`.

packages/terra-application/src/application-base/private/getBrowserLocale.js

@@ -49,6 +49,10 @@ const getBrowserLocale = () => {
   if (preferredLocale) {
     return preferredLocale;
   }
+  /* for IE support, as languages and language in IE return undefined, and userLanguage and browserLanguage return "en-US" */
+  if (isSupported(navigator.systemLanguage)) {
+    return navigator.systemLanguage;
+  }
 
   if (isSupported(navigator.language)) {
     return navigator.language;

packages/terra-application/tests/jest/application-navigation/private/utility-menu/__snapshots__/UtilityMenu.test.jsx.snap

@@ -867,7 +867,7 @@ exports[`UtilityMenu should render with function callbacks 1`] = `
                             type="button"
                           >
                             <span
-                              className="button-label text-only"
+                              className="button-label-win text-only"
                             >
                               <span
                                 className=""
@@ -1163,7 +1163,7 @@ exports[`UtilityMenu should render with function callbacks 1`] = `
                         type="button"
                       >
                         <span
-                          className="button-label text-only"
+                          className="button-label-win text-only"
                         >
                           <span
                             className=""
@@ -1529,7 +1529,7 @@ exports[`UtilityMenu should render with skip callback 1`] = `
                         type="button"
                       >
                         <span
-                          className="button-label text-only"
+                          className="button-label-win text-only"
                         >
                           <span
                             className=""