From f60c6639138a7f2737ccf9220d909fba4b76d9e0 Mon Sep 17 00:00:00 2001
From: Alla Doroshkevych <alla.doroshkevych@oracle.com>
Date: Thu, 9 Nov 2023 14:22:39 -0500
Subject: [PATCH] Locale fix for ie (#339)

---
 packages/terra-application/CHANGELOG.md                     | 1 +
 .../src/application-base/private/getBrowserLocale.js        | 4 ++++
 .../utility-menu/__snapshots__/UtilityMenu.test.jsx.snap    | 6 +++---
 3 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/packages/terra-application/CHANGELOG.md b/packages/terra-application/CHANGELOG.md
index 9f5602e1d..08cd3ae21 100644
--- a/packages/terra-application/CHANGELOG.md
+++ b/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`.
diff --git a/packages/terra-application/src/application-base/private/getBrowserLocale.js b/packages/terra-application/src/application-base/private/getBrowserLocale.js
index 147b5c107..3ea880a7f 100644
--- a/packages/terra-application/src/application-base/private/getBrowserLocale.js
+++ b/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;
diff --git a/packages/terra-application/tests/jest/application-navigation/private/utility-menu/__snapshots__/UtilityMenu.test.jsx.snap b/packages/terra-application/tests/jest/application-navigation/private/utility-menu/__snapshots__/UtilityMenu.test.jsx.snap
index e55110341..c7cece8d5 100644
--- a/packages/terra-application/tests/jest/application-navigation/private/utility-menu/__snapshots__/UtilityMenu.test.jsx.snap
+++ b/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=""