fix: init should not require event ingestion url in sdk key

src/index.ts

@@ -388,7 +388,16 @@
       skipInitialPoll: skipInitialRequest,
     };
     instance.setConfigurationRequestParameters(requestConfiguration);
-    instance.setEventDispatcher(newEventDispatcher(apiKey));
+
+    // e.g. newDefaultEventDispatcher throws an error if it cannot parse a valid event ingestion URL from the SDK key
+    try {
+      instance.setEventDispatcher(newEventDispatcher(apiKey));
+    } catch (eventDispatcherError) {
+      applicationLogger.warn(
+        'Eppo SDK encountered an error initializing the event dispatcher, continuing initialization',
+        eventDispatcherError,
+      );
+    }
 
     // We have two at-bats for initialization: from the configuration store and from fetching
     // We can resolve the initialization promise as soon as either one succeeds
@@ -447,7 +456,7 @@
       // both failed, make the "fatal" error the fetch one
       initializationError = initFromFetchError;
     }
   } catch (error: any) {
     initializationError = error;
   }