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Learn how to fix the `Redirected when going from "/pages/login" to "/dashboard"` error in your Vue.js application, ensuring smooth navigation after user login.
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This video is based on the question https://stackoverflow.com/q/64098445/ asked by the user 'Alex' ( https://stackoverflow.com/u/14285152/ ) and on the answer https://stackoverflow.com/a/64098519/ provided by the user 'XuWang' ( https://stackoverflow.com/u/11183422/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Resolving the Redirected Error When Logging into Your Vue.js App

When building a web application using Vue.js, encountering navigation issues can be quite frustrating. One common error developers face is the Redirected when going from "/pages/login" to "/dashboard" via a navigation guard. This issue generally arises when attempting to redirect a user to a different route after they have successfully logged in. If you’re facing this problem, you’re not alone. In this guide, we'll break down the causes of this error and provide a structured solution to resolve it.

The Problem: Understanding the Redirected Error

The error surfaces when users attempt to log in and are expected to be redirected to the /dashboard page. However, they notice that nothing happens on the first attempt, and only on a subsequent click does the redirection successfully occur. Here is a closer look at the key elements involved:

Initial State: Users navigate to the login page and enter their credentials.

Error Occurrence: Upon submitting the form, the user should be redirected to the dashboard, but no action occurs.

Subsequent Attempts: Only after re-clicking the login button does the redirection actually take place.

This can disrupt the user experience, leading to confusion and frustration. Let’s dive into how to tackle this issue effectively.

The Solution: Steps to Resolve the Redirected Error

To resolve the redirect issue, we need to ensure that the access token is set correctly before navigating the user to the desired page. Here is a step-by-step breakdown of what to do:

Step 1: Verify Access Token Management

Ensure that the access token is being set properly in your Vuex store and local storage. The following snippet shows how the token is set during the login process:

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

Explanation: This code snippet stores the access token received from the server in the local storage, allowing authentication to persist across page reloads.

Step 2: Modify the Redirect Logic

After confirming that the token is set, ensure that the redirection logic is functioning immediately after the token is stored. The line responsible for redirecting the user is:

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

Explanation: This line navigates the user to the desired page (here, the dashboard) or falls back to the homepage if no specific route is specified.

Step 3: Update Route Guards

Ensure your route guards can handle cases where the user isn't logged in. Review the guard function to make sure that it accurately checks for a valid access token:

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

Step 4: Review the beforeRouteEnter Implementation

Finally, ensure that the beforeRouteEnter guard on your routes is set up appropriately to handle redirection:

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

Conclusion: Testing the Solution

After implementing the above changes, test the login functionality:

Enter credentials and click the login button.

Confirm that the redirect to the dashboard occurs on the first attempt.

By following these steps, you should be able to eliminate the Redirected error in your Vue.js application, enhancing the overall user experience during the authentication process.

If the problem persists, further debugging may be required to track down any remaining issues within the navigation flow.

Now, you can enjoy a smoother and more efficient user authentication process in your Vue.js application!