Abort during delay

source/exponential-backoff.ts

@@ -263,7 +263,31 @@ export class ExponentialBackoff {
 
             // Wait before going to the next attempt
             const delay = this.#calculateDelay(this.#options, attempt);
-            await new Promise((resolve) => setTimeout(resolve, delay));
+
+            // Wait for the delay or the abort signal
+            await new Promise((resolve, reject) => {
+                // Set a timeout to resolve the promise after the delay
+                let timeout: ReturnType<typeof setTimeout>;
+
+                // Handle the abort signal
+                const abortHandler = () => {
+                    clearTimeout(timeout);
+                    abortController.signal.removeEventListener('abort', abortHandler);
+                    reject(new ExponentialBackoffStoppedRetriesError(abortController.signal.reason));
+                };
+
+                // Handle the timeout
+                const timeoutHandler = () => {
+                    abortController.signal.removeEventListener('abort', abortHandler);
+                    resolve(undefined);
+                };
+
+                // Set the timeout
+                timeout = setTimeout(timeoutHandler, delay);
+
+                // Add the abort handler to the abort signal
+                abortController.signal.addEventListener('abort', abortHandler);
+            })
 
             attempt++;
         }