Add didInitialize to Keycloak typings (#32331)

Closes #27040

Signed-off-by: Mаартен - Maarten <maarten@oudenniel.nl>
Co-authored-by: Jon Koops <jonkoops@gmail.com>

js/libs/keycloak-js/dist/keycloak.d.ts

@@ -450,6 +450,11 @@ declare class Keycloak {
 	*/
 	timeSkew?: number;
 
+	/**
+	* Whether the instance has been initialized by calling `.init()`.
+	*/
+	didInitialize: boolean;
+	
 	/**
 	* @private Undocumented.
 	*/

js/libs/keycloak-js/src/keycloak.js

@@ -37,6 +37,8 @@ function Keycloak (config) {
         interval: 5
     };
 
+    kc.didInitialize = false;
+
     var scripts = document.getElementsByTagName('script');
     for (var i = 0; i < scripts.length; i++) {
         if ((scripts[i].src.indexOf('keycloak.js') !== -1 || scripts[i].src.indexOf('keycloak.min.js') !== -1) && scripts[i].src.indexOf('version=') !== -1) {