Optimize execution of user event handlers - Githubissues

andyrichardson / subscriptionless

GraphQL subscriptions (and more) on serverless infrastructure

MIT License

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Optimize execution of user event handlers #10

Open andyrichardson opened 3 years ago

andyrichardson commented 3 years ago

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For now, all user-provided event handlers are executed sequentially.

await onSubscribe(); // User side-effect - blocking
// ...
// subscriptionless handling logic

It would be nice to have the option between:

sequential execution (user handler -> subscriptionless handler -> response)
concurrent execution (user handler and subscriptionless handler -> response)

Note: onConnectionInit handler should always be executed sequentially for authentication purposes