web: improve error handling

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

web/src/utils.ts

@@ -51,3 +51,8 @@ export function loading<T>(v: T, actual: TemplateResult): TemplateResult {
     }
     return actual;
 }
+
+export function camelToSnake(key: string): string {
+    var result = key.replace(/([A-Z])/g, " $1");
+    return result.split(' ').join('_').toLowerCase();
+}