Resolving the Undefined Results Issue in Vue.js with Async Functions

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Understanding the Problem

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Identifying the Cause

The Solution: Using Async/Await

To solve this issue, you need to ensure that your code waits for the HTTP request to complete before trying to access the fetched data. This can be accomplished by using the async and await keywords in JavaScript. Here’s how you can refactor your methods:

Step 1: Modify the fetchUserPermissions Method

First, ensure that the fetchUserPermissions method returns the promise from the Axios call:

[[See Video to Reveal this Text or Code Snippet]]

Step 2: Update the onEditUserPermissions Method

Next, modify the onEditUserPermissions method to be async and use await when calling fetchUserPermissions:

[[See Video to Reveal this Text or Code Snippet]]

Final Thoughts

By implementing these changes, you ensure that the user permissions are fetched and available before attempting to access the data. This approach not only avoids the undefined results issue but also leads to cleaner and more maintainable code.

By following these solutions, you can significantly improve your overall user experience and minimize confusion in your applications.