Dynamically parse new validation rules on DOM elements

jquery.validate.unobtrusive.dynamic.js

(function ($) {
  $.validator.unobtrusive.parseDynamic = function (selector) {
		//use the normal unobstrusive.parse method
		$.validator.unobtrusive.parse(selector);

		//get the relevant form
		var form = $(selector).first().closest('form');

		if (!form.length) {
			form = $(selector).first().find('form');
		}

		//get the collections of unobstrusive validators, and jquery validators
		//and compare the two
		var unobtrusiveValidation = form.data('unobtrusiveValidation');
		var validator = form.validate();

		if (!unobtrusiveValidation || ! validator) {
			return;
		}

		$.each(unobtrusiveValidation.options.rules, function (elname, elrules) {
			if (validator.settings.rules[elname] == undefined) {
				var args = {};
				$.extend(args, elrules);
				args.messages = unobtrusiveValidation.options.messages[elname];
				//edit:use quoted strings for the name selector
				$("[name='" + elname + "']").rules("add", args);
			} else {
				$.each(elrules, function (rulename, data) {
					if (validator.settings.rules[elname][rulename] == undefined) {
						var args = {};
						args[rulename] = data;
						args.messages = unobtrusiveValidation.options.messages[elname][rulename];
						//edit:use quoted strings for the name selector
						$("[name='" + elname + "']").rules("add", args);
					}
				});
			}
		});
	}
})($);

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