Getting google version

src/Providers/Maps/Google/Version/Version.ts

@@ -1,25 +1,41 @@
 // eslint-disable-next-line @typescript-eslint/no-unused-vars
 namespace Provider.Maps.Google.Version {
+	/**
+	 * Auxiliary function to get the current version of Google Maps loaded on the page.
+	 *
+	 * @return {*}  {string}
+	 */
+	function GetGoogleMapsVersion(): string {
+		let version = undefined;
+		if (window.google && window.google.maps && window.google.maps.version) {
+			const gmVersion = window.google.maps.version;
+			const indexMajorMinor = gmVersion.lastIndexOf('.');
+			version = gmVersion.substring(0, indexMajorMinor);
+		}
+		return version;
+	}
+
 	/**
 	 * Get the current version of Google Maps loaded on the page.
 	 *
 	 * @export
 	 * @return {*}  {string}
 	 */
 	export function Get(): string {
-		let currVersion =
+		let currentVersion =
 			OSFramework.Maps.Helper.LocalStorage.GetItem(Constants.googleMapsLocalStorageVersionKey) ||
 			Provider.Maps.Google.Constants.googleMapsVersion;
+		const googleVersion = GetGoogleMapsVersion();
 
 		// If the version that the developer set is still not being used, log a warning message and return the current loaded version.
-		if (currVersion !== google?.maps?.version) {
+		if (googleVersion !== undefined && currentVersion !== googleVersion) {
 			OSFramework.Maps.Helper.LogWarningMessage(
-				`Current version of Google Maps loaded is '${google.maps.version}', but on the next page refresh the version will be '${currVersion}'.`
+				`Current version of Google Maps loaded is '${googleVersion}', but on the next page refresh the version will be '${currentVersion}'.`
 			);
-			currVersion = google.maps.version;
+			currentVersion = googleVersion;
 		}
 
-		return currVersion;
+		return currentVersion;
 	}
 
 	/**
@@ -34,8 +50,10 @@ namespace Provider.Maps.Google.Version {
 			OSFramework.Maps.Helper.LocalStorage.GetItem(Constants.googleMapsLocalStorageVersionKey) ||
 			Constants.googleMapsVersion;
 
+		const googleVersion = GetGoogleMapsVersion();
+
 		// If the version that the developer set is different from the current version, and is different from the version loaded, set the return value to true.
-		const versionChanged = currentVersion !== newVersion && newVersion !== google?.maps?.version;
+		const versionChanged = currentVersion !== newVersion && newVersion !== googleVersion;
 
 		OSFramework.Maps.Helper.LocalStorage.SetItem(Constants.googleMapsLocalStorageVersionKey, newVersion);