Note that there's no way to stop a fetch() request without using an abort controller. Using setTimeout() and abort controller you can create fetch() requests that are configured to timeout when you'd like to.Ĭheck the browser support for the abort controller. That's way longer than a user would expect for a network request to complete.Ī good approach to network requests is to configure a request timeout of about 8 - 10 seconds. But the result type of 'n' in this case is 'NodeJS.Timeout', and it is possible to use it as follows: let n: NodeJS.Timeout n setTimeout(cb, 500) The only problem with ReturnType/NodeJS. In similar fashion, a Timeout object that has had unref() called on it can remove that behavior by calling ref() on that same Timeout object, which will then ensure. It is nice and seems to be preferred over explicit casting. The Timeout object will not keep the process alive, waiting to execute. In Chrome, for example, this setting is 300 seconds. This will change the behavior slightly, and not call the Timeout object if it is the last code to execute. It appears to have some relation to HTTP header ( Connection: keep-alive ). Summaryīy default a fetch() request timeouts at the time set up by the browser. 51 I have found two explanations on 'connection timeout': The server closes the socket connection when the client doesn't send any bytes to the server during timeout seconds. The request to /games timeouts because it takes longer than 6 seconds. Open the demo and click Load games button. It has a way to abort a request as well set response timeout. I'm using Express which also provides middleware to define timeout's for (specific) routes. If your '/' API taking more time than 'handlReqTimeout ()' then the 'handlReqTimeout' will be executed and you will get a 'Timeout' message and if the. Reading through Node's documentation, I've discovered that there are numerous ways of defining timeouts. The result would be based on the timeout duration that you provided in your code. You can use the expression error.name = 'AbortError' inside the catch block to determine if there was a request timeout. After running the above codes, you need to open the browser and hit the URL 'localhost:3001/' and see the result. If the request to /games hasn't finished in 6 seconds, then the request is canceled and a timeout error is thrown. FetchWithTimeout() (instead of simple fetch()) starts a request that will be canceled at timeout time - 6 seconds.
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