diff --git a/src/helpers/resolvable.ts b/src/helpers/resolvable.ts
index d9640ff..23d638a 100644
--- a/src/helpers/resolvable.ts
+++ b/src/helpers/resolvable.ts
@@ -40,6 +40,14 @@ class FetchOnce<T, U extends Array<unknown>> {
 		});
 	}
 
+	public getDataOrUndefined(): T|undefined {
+		return this.data;
+	}
+
+	public getErrorOrUndefined(): unknown|undefined {
+		return this.error;
+	}
+
 	protected isFinished(): boolean {
 		return this.state === ResolvableState.DONE || this.state === ResolvableState.ERROR;
 	}