LinkStack/resources/views/auth/url-validation.blade.php

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<script>{!! file_get_contents(base_path("assets/js/jquery.min.js")) !!}</script>
<script>
$(document).ready(function () {
var submitBtn = $('#submit-btn');
$('#littlelink_name').on('keyup', function () {
var littlelinkName = $(this).val();
if (littlelinkName.trim() !== '') {
$.ajax({
type: 'POST',
url: '{{url("/validate-handle")}}',
data: {
'_token': '{{ csrf_token() }}',
'littlelink_name': littlelinkName
},
success: function (data) {
$('#littlelink_name').removeClass('is-valid is-invalid');
$('#username-error').remove();
if (data.valid) {
$('#littlelink_name').addClass('is-valid');
submitBtn.prop('disabled', false);
} else {
$('#littlelink_name').addClass('is-invalid');
$('<div id="username-error" class="invalid-feedback">That username is already taken</div>').insertAfter('#littlelink_name');
submitBtn.prop('disabled', true);
}
}
});
} else {
$('#littlelink_name').removeClass('is-valid is-invalid');
$('#username-error').remove();
submitBtn.prop('disabled', true);
}
});
});
</script>