fix(worker): reject promise if retrieving a Redis client fails #3330
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Why
I noticed that if
await this._clientthrows, the outerPromisedoesn't get rejected, nor resolved.How
As it isn't possible to make a
getasync, the change creates an async anonymous function and immediately executes it.Additional Notes (Optional)
In the future, we could consider not using a
getterbut a regular function. Additionally, the logic is duplicated in bothQueueandWorker.