Retry on more 50X status codes

src/HttpClient.ts

@@ -37,6 +37,7 @@ interface FetchRequestOptions {
 const MAX_RETRY_ATTEMPTS = 3;
 const BACKOFF_MULTIPLIER = 1.5;
 const MINIMUM_SLEEP_TIME = 500;
+const RETRY_STATUS_CODES = [500, 502, 504];
 
 const sleep = (ms: number) => new Promise(resolve => setTimeout(resolve, ms))
 
@@ -95,6 +96,11 @@ export default class ApiClient implements HttpClient {
                 retryAttempts++;
                 await sleep(this.getSleepTime(retryAttempts));
                 return makeRequest();
+
+                return setTimeout(async () => {
+                    const response = await makeRequest();
+                    return new Promise((resolve) => resolve(response));
+                })
             }
 
             if (!response.ok) {
@@ -116,7 +122,7 @@ export default class ApiClient implements HttpClient {
             return true;
         }
 
-        if (response?.status == 502) {
+        if (response != null && RETRY_STATUS_CODES.includes(response.status)) {
             return true;
         }