jQuery Validate - Wrap Validation Error

by Kyle Mitofsky

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.4/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-validate/1.16.0/jquery.validate.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery-validation-unobtrusive/3.2.6/jquery.validate.unobtrusive.min.js"></script>
<form action="/Person" method="post">
  
  <div class="required">
    <label for="Name">Name <em>*</em></label>           
    <input id="Name" name="Name" type="text" value="" 
           data-val="true" data-val-required="The Name field is required."/>
    <span class="field-validation-valid" 
          data-valmsg-for="Name" data-valmsg-replace="true"></span>
  </div>
  
  <input type="submit" value="Save" />
  
</form>















<div style='position:fixed;bottom:0;left:0; background:lightgray;width:100%;'>
    About this SO question:
    <a href='https://stackoverflow.com/q/7952797/1366033'>
        Add class to parent div if validation error occurs using jquery validation
    </a>
</div>

CSS

input.input-validation-error  {
  border: solid 1px red;
}
.input-validation-error label {
  color: red;
}

JavaScript

$(function () {
  var valSettings = $("form").data("validator").settings
	valSettings.highlight = wrap($.validator.defaults.highlight, highlightDecorator)
  valSettings.unhighlight = wrap($.validator.defaults.unhighlight, unhighlightDecorator)
});

function wrap(functionToWrap, beforeFunction) {
  return function () {
    var args = Array.prototype.slice.call(arguments);
    beforeFunction.apply(this, args);
    return functionToWrap.apply(this, args);
  };
};

function highlightDecorator(element, errorClass, validClass) {
  $(element).closest("div").addClass(errorClass).removeClass(validClass);
}
function unhighlightDecorator(element, errorClass, validClass) {
  $(element).closest("div").addClass(validClass).removeClass(errorClass);
}