fix: graceful fallback when statsig client is not initialized

src/statsig/client.ts

@@ -109,7 +109,7 @@ export function initStatsigClient(
  */
 export function getStatsigClientSync(): StatsigClient {
   if (!client) {
-    throw new Error('[@lovart-open/statsig] Not initialized. Call initStatsigClient() first.');
+    throw new Error('[@lovart-open/flags/statsig] Not initialized. Call initStatsigClient() first.');
   }
   return client;
 }

src/statsig/flags.ts

@@ -88,11 +88,15 @@ export class FlagStore<TDefinitions extends Record<string, FlagDefinition>> {
     }
 
     // 4. Remote value from Statsig
-    const currentGate = gate ?? getStatsigClientSync().getFeatureGate(keyStr, evaluationOptions);
-    return {
-      flag: currentGate.value,
-      source: currentGate.idType ? 'remote' : 'fallback',
-    };
+    try {
+      const currentGate = gate ?? getStatsigClientSync().getFeatureGate(keyStr, evaluationOptions);
+      return {
+        flag: currentGate.value,
+        source: currentGate.idType ? 'remote' : 'fallback',
+      };
+    } catch {
+      return { flag: false, source: 'fallback' };
+    }
   }
 }
 

src/statsig/params.ts

@@ -245,12 +245,17 @@ export class ParamStore<TStores extends Record<string, ParamStoreDefinition<any>
     }
     // 4. Remote value from Statsig
     else {
-      const clientStore = statsigStore ?? getStatsigClientSync().getParameterStore(storeKey as string, evaluationOptions);
-      const config = (clientStore as any)?.__configuration?.[paramKey as string];
-      if (config !== undefined) {
-        value = clientStore.get(paramKey as string, def.fallback);
-        source = 'remote';
-      } else {
+      try {
+        const clientStore = statsigStore ?? getStatsigClientSync().getParameterStore(storeKey as string, evaluationOptions);
+        const config = (clientStore as any)?.__configuration?.[paramKey as string];
+        if (config !== undefined) {
+          value = clientStore.get(paramKey as string, def.fallback);
+          source = 'remote';
+        } else {
+          value = def.fallback;
+          source = 'fallback';
+        }
+      } catch {
         value = def.fallback;
         source = 'fallback';
       }