In this episode, we're tackling a really important part of any payment flow: letting the user know when their card is declined. Up until now, our checkout doesn't give any feedback if something goes wrong with the card, so let's fix that together.
First, we'll see how Stripe's confirmCardPayment
can give us information about errors, including when a card is declined. We'll use some test card numbers from Stripe's docs to deliberately trigger card declines, and then log out the error information so we know what kind of feedback we can give.
Next, we'll update our UI. We'll store any card error message in our Alpine component and show it directly on the page. That way, if something goes wrong—like insufficient funds—the user immediately sees a friendly message explaining what happened.
We'll also make sure to clear out the error message when the user tries again, so they're not stuck seeing an old error if their next attempt works.
Finally, we test things out by running through a failed payment (with a red error message), then a successful one to make sure everything is working smoothly. Now we've got a user-friendly and reactive error system for card payments! 🚦