Merge branch 'main' into FE-6088

fauna · Nov 4, 2024 · 340755a · 340755a
2 parents 61943dd + 19458fe
commit 340755a
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diff --git a/__tests__/functional/feed-client-configuration.test.ts b/__tests__/functional/feed-client-configuration.test.ts
@@ -97,4 +97,16 @@ describe("FeedClientConfiguration", () => {
       expect(e).toBeInstanceOf(RangeError);
     }
   });
+
+  it("throws a TypeError if 'cursor' is not a string", async () => {
+    const config = { ...defaultConfig, cursor: null };
+    try {
+      new FeedClient(
+        dummyStreamToken,
+        config as unknown as FeedClientConfiguration,
+      );
+    } catch (e: any) {
+      expect(e).toBeInstanceOf(TypeError);
+    }
+  });
 });
diff --git a/src/client.ts b/src/client.ts
@@ -1143,6 +1143,10 @@ export class FeedClient<T extends QueryValue = any> {
         "Only one of 'start_ts' or 'cursor' can be defined in the client configuration.",
       );
     }
+
+    if (config.cursor !== undefined && typeof config.cursor !== "string") {
+      throw new TypeError("'cursor' must be a string.");
+    }
   }
 }