hypothetical/traditional-bootstrap/resources/js/subscription.js

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JavaScript
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// subscription form functionality
function subscriptionFormInit() {
const $form = $("#subscription-form"),
$input = $form.find(":input"),
$name = $form.find("[name='name']"),
$email = $form.find("[name='email']"),
$token = $form.find("[name='_token']"),
$submit = $form.find("[name='submit']"),
$notify = $form.find(".notification");
let subscribe = {},
submitting = false;
const getSubscribeData = function() {
subscribe = {
name: $name.val(),
email: $email.val(),
_token: $token.val()
};
};
$submit.on("click", function(e) {
e.preventDefault();
if (!submitting) {
submitting = true;
getSubscribeData();
$.ajax({
type: "POST",
url: "/api/subscription-submit",
data: subscribe
}).always(function(response) {
let errors;
$form.find(".error").removeClass("error");
$notify.removeClass("visible").removeClass("error");
if (response === "success") {
$form.addClass("success");
setTimeout(function() {
$notify.text("Thanks for subscribing!").addClass("success").addClass("visible");
$input.fadeOut(150);
}, 1000);
} else {
errors = 0;
// add the error class to fields that haven't been filled correctly
for (let errorName in response.responseJSON.errors) {
if ($form.find(`[name='${errorName}']`).length) {
$form.find(`[name='${errorName}']`).addClass("error");
errors++;
}
}
// if there are no errors with form fields then there must have been an API error
if (errors === 0) {
$notify.text("An error occurred. Are you already subscribed?").addClass("error").addClass("visible");
}
// re-enable submitting
submitting = false;
}
});
}
});
}