Скачать или смотреть Check Axios Requests: Is Your Status Pending After 5 Seconds?

Learn how to utilize `Promise.race` and check the status of your Axios requests with a practical example.
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How to Check If an Axios Request Status is Pending After 5 Seconds

In the world of web development, it's common to make HTTP requests using libraries like Axios. However, you might encounter situations where you need to determine if your request is still pending after a specific period. This is particularly useful for improving user experience, making your application more resilient, and preventing potential bottlenecks. In this guide, we'll explore how to check if your Axios request is still pending after 5 seconds and what actions to take.

The Challenge

Let's say you have an Axios request that you use to post data to an API. After initiating the request, you want to check if it’s still pending after a 5-second timeout. Here's the initial piece of code you might have:

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The problem arises when you want to implement logic that responds if the request takes too long. You may want to show a loading spinner, alert the user, or take additional action if the request has not completed within that timeframe.

The Solution: Using Promise.race

To address this issue, we can utilize JavaScript's Promise.race method. This method allows us to race multiple promises against each other and determine which one resolves first.

Breakdown of the Solution

Here's how to implement the solution step by step:

Use Promise.race: We will create a race between your Axios request and a new Promise that resolves after 5 seconds.

Set Timeout Logic: If the Axios request completes before the timeout, the response will be processed as normal. If the Promise from setTimeout resolves first, you can then execute your custom logic to handle the pending state.

Here’s the complete code to achieve this:

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Explanation of the Code

Promise.race: This method takes an array of promises and resolves once any of the promises in the array resolves or rejects. In our case:

The first item is your Axios request.

The second item is a new promise that resolves after 5 seconds, created using setTimeout.

Processing the Result:

If the Axios request completes first, you can handle its response inside the then block.

If the timeout resolves first (indicating that the request is still pending), you can add your custom logic, such as displaying a message to the user.

Handling Errors

Remember to include error handling in your request using the catch method. This will ensure that any errors that occur during the Axios request are appropriately managed and communicated:

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Conclusion

Checking if an Axios request is still pending after a certain timeout can significantly enhance your application's user experience. By using Promise.race, you can easily implement a mechanism that keeps users informed of ongoing requests, ultimately leading to a more polished application.

Now you have a clear strategy for checking pending states in your asynchronous operations, keeping your app responsive and user-friendly. Happy coding!