itflow/client.js

119 lines
3.5 KiB
JavaScript

// A reference to Stripe.js initialized with your real test publishable API key.
var stripe = Stripe("<?php echo $stripe_publishable; ?>");
// The items the customer wants to buy
var purchase = {
items: [{ id: "xl-tshirt" }]
};
// Disable the button until we have Stripe set up on the page
document.querySelector("button").disabled = true;
fetch("/create.php", {
method: "POST",
headers: {
"Content-Type": "application/json"
},
body: JSON.stringify(purchase)
})
.then(function(result) {
return result.json();
})
.then(function(data) {
var elements = stripe.elements();
var style = {
base: {
color: "#32325d",
fontFamily: 'Courier, monospace',
fontSmoothing: "antialiased",
fontSize: "16px",
"::placeholder": {
color: "#32325d"
}
},
invalid: {
fontFamily: 'Courier, monospace',
color: "#fa755a",
iconColor: "#fa755a"
}
};
var card = elements.create("card", { style: style });
// Stripe injects an iframe into the DOM
card.mount("#card-element");
card.on("change", function (event) {
// Disable the Pay button if there are no card details in the Element
document.querySelector("button").disabled = event.empty;
document.querySelector("#card-error").textContent = event.error ? event.error.message : "";
});
var form = document.getElementById("payment-form");
form.addEventListener("submit", function(event) {
event.preventDefault();
// Complete payment when the submit button is clicked
payWithCard(stripe, card, data.clientSecret);
});
});
// Calls stripe.confirmCardPayment
// If the card requires authentication Stripe shows a pop-up modal to
// prompt the user to enter authentication details without leaving your page.
var payWithCard = function(stripe, card, clientSecret) {
loading(true);
stripe
.confirmCardPayment(clientSecret, {
payment_method: {
card: card
}
})
.then(function(result) {
if (result.error) {
// Show error to your customer
showError(result.error.message);
} else {
// The payment succeeded!
orderComplete(result.paymentIntent.id);
}
});
};
/* ------- UI helpers ------- */
// Shows a success message when the payment is complete
var orderComplete = function(paymentIntentId) {
loading(false);
document
.querySelector(".result-message a")
.setAttribute(
"href",
"https://dashboard.stripe.com/test/payments/" + paymentIntentId
);
document.querySelector(".result-message").classList.remove("hidden");
document.querySelector("button").disabled = true;
};
// Show the customer the error from Stripe if their card fails to charge
var showError = function(errorMsgText) {
loading(false);
var errorMsg = document.querySelector("#card-error");
errorMsg.textContent = errorMsgText;
setTimeout(function() {
errorMsg.textContent = "";
}, 4000);
};
// Show a spinner on payment submission
var loading = function(isLoading) {
if (isLoading) {
// Disable the button and show a spinner
document.querySelector("button").disabled = true;
document.querySelector("#spinner").classList.remove("hidden");
document.querySelector("#button-text").classList.add("hidden");
} else {
document.querySelector("button").disabled = false;
document.querySelector("#spinner").classList.add("hidden");
document.querySelector("#button-text").classList.remove("hidden");
}
};