NXT-15800: Added react-is dependency

CHANGELOG.md

@@ -4,6 +4,10 @@
 
 * Updated `@enact/template-limestone` dependency.
 
+### serve, test
+
+* Added `react-is` dependency and changed jest config and webpack config files to use it.
+
 ## 7.3.1 (May 4, 2026)
 
 * Fixed `postcss-preset-env` version to v10 temporarily.

config/jest/jest.config.js

@@ -91,6 +91,7 @@ module.exports = {
 		'^@testing-library/react$': require.resolve('@testing-library/react'),
 		'^@testing-library/user-event$': require.resolve('@testing-library/user-event'),
 		'^react$': require.resolve('react'),
+		'^react-is$': require.resolve('react-is'),
 		// Backward compatibility for new iLib location with old Enact
 		'^ilib[/](.*)$': path.join(app.context, globals.ILIB_BASE_PATH, '$1'),
 		// Backward compatibility for old iLib location with new Enact

config/webpack.config.js

@@ -360,9 +360,15 @@ module.exports = function (
 			symlinks: false,
 			// Backward compatibility for apps using new ilib references with old Enact
 			// and old apps referencing old iLib location with new Enact
-			alias: fs.existsSync(path.join(app.context, 'node_modules', '@enact', 'i18n', 'ilib')) ?
-				Object.assign({ilib: '@enact/i18n/ilib'}, app.alias) :
-				Object.assign({'@enact/i18n/ilib': 'ilib'}, app.alias),
+			alias: Object.assign(
+				{
+					'react-is': path.dirname(require.resolve('react-is/package.json'))
+				},
+				fs.existsSync(path.join(app.context, 'node_modules', '@enact', 'i18n', 'ilib')) ?
+					{ilib: '@enact/i18n/ilib'} :
+					{'@enact/i18n/ilib': 'ilib'},
+				app.alias
+			),
 			// Optional configuration for redirecting module requests.
 			fallback: app.resolveFallback
 		},

package.json

@@ -95,6 +95,7 @@
     "react": "^19.2.4",
     "react-dev-utils": "^12.0.1",
     "react-dom": "^19.2.4",
+    "react-is": "^19.2.7",
     "react-refresh": "^0.18.0",
     "react-test-renderer": "^19.2.4",
     "resolution-independence": "^1.0.0",
@@ -131,4 +132,4 @@
     "globals": "^17.4.0",
     "prettier": "^3.8.1"
   }
-}
+}