JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://www.kinetick.com/JS/jquery.validate.js"></script>
<form id="RequestCreateForm" action="" method="post">
    <div class="editor-field">
        <input type="checkbox" class="oneTypeChecked" name="requestTypeIds2" value="2">Type 2     
        <input type="checkbox" class="oneTypeChecked" name="requestTypeIds1" value="1">Type 1       
        <input type="checkbox" class="oneTypeChecked" name="requestTypeIds3" value="3">Type 3
    </div>
    <input type="submit" value="submit" />
</form>

JavaScript

jQuery.validator.addMethod("oneTypeChecked", function(value, element) {
    return $('.oneTypeChecked:checked') > 0
}, "Check one or more type");

$("#RequestCreateForm").validate({
    rules: {
        requestTypeIds2: {
            oneTypeChecked: true
        }
    }
});