Extract status code when returned as string (#642)

Author: nhulston

src/trace/trigger.spec.ts

@@ -127,6 +127,13 @@ describe("parseEventSource", () => {
       },
       expectedStatusCode: "200",
     },
+    {
+      responseBody: {
+        statusCode: "201",
+        body: '"String status code case!"',
+      },
+      expectedStatusCode: "201",
+    },
     {
       responseBody: {
         statusCode: 404,

src/trace/trigger.ts

@@ -392,10 +392,7 @@ export function extractHTTPStatusCodeTag(
   if (result === undefined && !isResponseStreamFunction) {
     return "502";
   } else if (resultStatusCode) {
-    // Type check the statusCode if available
-    if (typeof resultStatusCode === "number") {
-      return resultStatusCode.toString();
-    }
+    return resultStatusCode.toString();
   } else {
     return "200";
   }