feat(esl-utils): add ability to reject promisifyEvent by using AbortS…

…ignal
exadel-inc · May 7, 2024 · b49da0e · b49da0e
1 parent 35f968c
commit b49da0e
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diff --git a/src/modules/esl-utils/async/promise/event.ts b/src/modules/esl-utils/async/promise/event.ts
@@ -33,6 +33,9 @@ export function promisifyEvent(
     if (typeof timeout === 'number' && timeout >= 0) {
       setTimeout(eventCallback, timeout);
     }
+    if (typeof options === 'object') {
+      options?.signal?.addEventListener('abort', () => reject(new Error('Rejected by abort signal')), {once: true});
+    }
   });
 }
 

diff --git a/src/modules/esl-utils/async/test/promise/event.test.ts b/src/modules/esl-utils/async/test/promise/event.test.ts
@@ -37,6 +37,13 @@ describe('async/promise/event', () => {
         expect(spy).toBeCalledWith('test', expect.any(Function), undefined);
       }
     });
+    test('Rejected by abort signal', async () => {
+      const el = document.createElement('div');
+      const controller = new AbortController();
+      const promise$ = promisifyEvent(el, 'test', null, {signal: controller.signal});
+      controller.abort();
+      await expect(promise$).rejects.toBeInstanceOf(Error);
+    });
   });
 
   describe('promisifyMarker', () => {