How to Handle Redirects After Login with JavaScript\'s Fetch API?

How to Redirect to Another Page After Login Using JavaScript Fetch API?

Using JavaScript's fetch() method, you can handle logins and redirect users to other pages seamlessly. However, if you encounter issues with redirects not working, consider the following options:

Option 1: Returning RedirectResponse

When using fetch(), redirects are automatically followed on the client side. However, you can use Response.redirected to check if the response is a result of a redirect. If so, use Response.url to retrieve the final URL and redirect the user with window.location.href or window.location.replace().

Option 2: Returning JSON with Redirect URL

Instead of a RedirectResponse, return a JSON response with the redirect URL included. On the client side, check if the response includes the "url" key and redirect the user accordingly. Alternatively, you can add the redirect URL to a custom response header on the server side.

Option 3: Using HTML

If using fetch() is not mandatory, you could use a traditional HTML and have the user submit it. In this case, using RedirectResponse on the server side will automatically redirect the user without additional client-side actions.

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