Fix to jquery.validate.unobtrusive.min.js (now works with password confirmation)

jquery.validate.unobtrusive.js

/// <reference path="jquery-1.5.1.js" />
/// <reference path="jquery.validate.js" />

/*!
** Unobtrusive validation support library for jQuery and jQuery Validate
** Copyright (C) Microsoft Corporation. All rights reserved.
*/

/*jslint white: true, browser: true, onevar: true, undef: true, nomen: true, eqeqeq: true, plusplus: true, bitwise: true, regexp: true, newcap: true, immed: true, strict: false */
/*global document: false, jQuery: false */

(function ($) {
    var $jQval = $.validator,
        adapters,
        data_validation = "unobtrusiveValidation";

    function setValidationValues(options, ruleName, value) {
        options.rules[ruleName] = value;
        if (options.message) {
            options.messages[ruleName] = options.message;
        }
    }

    function splitAndTrim(value) {
        return value.replace(/^\s+|\s+$/g, "").split(/\s*,\s*/g);
    }

    function getModelPrefix(fieldName) {
        return fieldName.substr(0, fieldName.lastIndexOf(".") + 1);
    }

    function appendModelPrefix(value, prefix) {
        if (value.indexOf("*.") === 0) {
            value = value.replace("*.", prefix);
        }
        return value;
    }

    function onError(error, inputElement) {  // 'this' is the form element
        var container = $(this).find("[data-valmsg-for='" + inputElement[0].name + "']"),
            replace = $.parseJSON(container.attr("data-valmsg-replace")) !== false;

        container.removeClass("field-validation-valid").addClass("field-validation-error");
        error.data("unobtrusiveContainer", container);

        if (replace) {
            container.empty();
            error.removeClass("input-validation-error").appendTo(container);
        }
        else {
            error.hide();
        }
    }

    function onErrors(form, validator) {  // 'this' is the form element
        var container = $(this).find("[data-valmsg-summary=true]"),
            list = container.find("ul");

        if (list && list.length && validator.errorList.length) {
            list.empty();
            container.addClass("validation-summary-errors").removeClass("validation-summary-valid");

            $.each(validator.errorList, function () {
                $("<li />").html(this.message).appendTo(list);
            });
        }
    }

    function onSuccess(error) {  // 'this' is the form element
        var container = error.data("unobtrusiveContainer"),
            replace = $.parseJSON(container.attr("data-valmsg-replace"));

        if (container) {
            container.addClass("field-validation-valid").removeClass("field-validation-error");
            error.removeData("unobtrusiveContainer");

            if (replace) {
                container.empty();
            }
        }
    }

    function validationInfo(form) {
        var $form = $(form),
            result = $form.data(data_validation);

        if (!result) {
            result = {
                options: {  // options structure passed to jQuery Validate's validate() method
                    errorClass: "input-validation-error",
                    errorElement: "span",
                    errorPlacement: $.proxy(onError, form),
                    invalidHandler: $.proxy(onErrors, form),
                    messages: {},
                    rules: {},
                    success: $.proxy(onSuccess, form)
                },
                attachValidation: function () {
                    $form.validate(this.options);
                },
                validate: function () {  // a validation function that is called by unobtrusive Ajax
                    $form.validate();
                    return $form.valid();
                }
            };
            $form.data(data_validation, result);
        }

        return result;
    }

    $jQval.unobtrusive = {
        adapters: [],

        parseElement: function (element, skipAttach) {
            /// <summary>
            /// Parses a single HTML element for unobtrusive validation attributes.
            /// </summary>
            /// <param name="element" domElement="true">The HTML element to be parsed.</param>
            /// <param name="skipAttach" type="Boolean">[Optional] true to skip attaching the
            /// validation to the form. If parsing just this single element, you should specify true.
            /// If parsing several elements, you should specify false, and manually attach the validation
            /// to the form when you are finished. The default is false.</param>
            var $element = $(element),
                form = $element.parents("form")[0],
                valInfo, rules, messages;

            if (!form) {  // Cannot do client-side validation without a form
                return;
            }

            valInfo = validationInfo(form);
            valInfo.options.rules[element.name] = rules = {};
            valInfo.options.messages[element.name] = messages = {};

            $.each(this.adapters, function () {
                var prefix = "data-val-" + this.name,
                    message = $element.attr(prefix),
                    paramValues = {};

                if (message !== undefined) {  // Compare against undefined, because an empty message is legal (and falsy)
                    prefix += "-";

                    $.each(this.params, function () {
                        paramValues[this] = $element.attr(prefix + this);
                    });

                    this.adapt({
                        element: element,
                        form: form,
                        message: message,
                        params: paramValues,
                        rules: rules,
                        messages: messages
                    });
                }
            });

            jQuery.extend(rules, { "__dummy__": true });

            if (!skipAttach) {
                valInfo.attachValidation();
            }
        },

        parse: function (selector) {
            /// <summary>
            /// Parses all the HTML elements in the specified selector. It looks for input elements decorated
            /// with the [data-val=true] attribute value and enables validation according to the data-val-*
            /// attribute values.
            /// </summary>
            /// <param name="selector" type="String">Any valid jQuery selector.</param>
            $(selector).find(":input[data-val=true]").each(function () {
                $jQval.unobtrusive.parseElement(this, true);
            });

            $("form").each(function () {
                var info = validationInfo(this);
                if (info) {
                    info.attachValidation();
                }
            });
        }
    };

    adapters = $jQval.unobtrusive.adapters;

    adapters.add = function (adapterName, params, fn) {
        /// <summary>Adds a new adapter to convert unobtrusive HTML into a jQuery Validate validation.</summary>
        /// <param name="adapterName" type="String">The name of the adapter to be added. This matches the name used
        /// in the data-val-nnnn HTML attribute (where nnnn is the adapter name).</param>
        /// <param name="params" type="Array" optional="true">[Optional] An array of parameter names (strings) that will
        /// be extracted from the data-val-nnnn-mmmm HTML attributes (where nnnn is the adapter name, and
        /// mmmm is the parameter name).</param>
        /// <param name="fn" type="Function">The function to call, which adapts the values from the HTML
        /// attributes into jQuery Validate rules and/or messages.</param>
        /// <returns type="jQuery.validator.unobtrusive.adapters" />
        if (!fn) {  // Called with no params, just a function
            fn = params;
            params = [];
        }
        this.push({ name: adapterName, params: params, adapt: fn });
        return this;
    };

    adapters.addBool = function (adapterName, ruleName) {
        /// <summary>Adds a new adapter to convert unobtrusive HTML into a jQuery Validate validation, where
        /// the jQuery Validate validation rule has no parameter values.</summary>
        /// <param name="adapterName" type="String">The name of the adapter to be added. This matches the name used
        /// in the data-val-nnnn HTML attribute (where nnnn is the adapter name).</param>
        /// <param name="ruleName" type="String" optional="true">[Optional] The name of the jQuery Validate rule. If not provided, the value
        /// of adapterName will be used instead.</param>
        /// <returns type="jQuery.validator.unobtrusive.adapters" />
        return this.add(adapterName, function (options) {
            setValidationValues(options, ruleName || adapterName, true);
        });
    };

    adapters.addMinMax = function (adapterName, minRuleName, maxRuleName, minMaxRuleName, minAttribute, maxAttribute) {
        /// <summary>Adds a new adapter to convert unobtrusive HTML into a jQuery Validate validation, where
        /// the jQuery Validate validation has three potential rules (one for min-only, one for max-only, and
        /// one for min-and-max). The HTML parameters are expected to be named -min and -max.</summary>
        /// <param name="adapterName" type="String">The name of the adapter to be added. This matches the name used
        /// in the data-val-nnnn HTML attribute (where nnnn is the adapter name).</param>
        /// <param name="minRuleName" type="String">The name of the jQuery Validate rule to be used when you only
        /// have a minimum value.</param>
        /// <param name="maxRuleName" type="String">The name of the jQuery Validate rule to be used when you only
        /// have a maximum value.</param>
        /// <param name="minMaxRuleName" type="String">The name of the jQuery Validate rule to be used when you
        /// have both a minimum and maximum value.</param>
        /// <param name="minAttribute" type="String" optional="true">[Optional] The name of the HTML attribute that
        /// contains the minimum value. The default is "min".</param>
        /// <param name="maxAttribute" type="String" optional="true">[Optional] The name of the HTML attribute that
        /// contains the maximum value. The default is "max".</param>
        /// <returns type="jQuery.validator.unobtrusive.adapters" />
        return this.add(adapterName, [minAttribute || "min", maxAttribute || "max"], function (options) {
            var min = options.params.min,
                max = options.params.max;

            if (min && max) {
                setValidationValues(options, minMaxRuleName, [min, max]);
            }
            else if (min) {
                setValidationValues(options, minRuleName, min);
            }
            else if (max) {
                setValidationValues(options, maxRuleName, max);
            }
        });
    };

    adapters.addSingleVal = function (adapterName, attribute, ruleName) {
        /// <summary>Adds a new adapter to convert unobtrusive HTML into a jQuery Validate validation, where
        /// the jQuery Validate validation rule has a single value.</summary>
        /// <param name="adapterName" type="String">The name of the adapter to be added. This matches the name used
        /// in the data-val-nnnn HTML attribute(where nnnn is the adapter name).</param>
        /// <param name="attribute" type="String">[Optional] The name of the HTML attribute that contains the value.
        /// The default is "val".</param>
        /// <param name="ruleName" type="String" optional="true">[Optional] The name of the jQuery Validate rule. If not provided, the value
        /// of adapterName will be used instead.</param>
        /// <returns type="jQuery.validator.unobtrusive.adapters" />
        return this.add(adapterName, [attribute || "val"], function (options) {
            setValidationValues(options, ruleName || adapterName, options.params[attribute]);
        });
    };

    $jQval.addMethod("__dummy__", function (value, element, params) {
        return true;
    });

    $jQval.addMethod("regex", function (value, element, params) {
        var match;
        if (this.optional(element)) {
            return true;
        }

        match = new RegExp(params).exec(value);
        return (match && (match.index === 0) && (match[0].length === value.length));
    });

    adapters.addSingleVal("accept", "exts").addSingleVal("regex", "pattern");
    adapters.addBool("creditcard").addBool("date").addBool("digits").addBool("email").addBool("number").addBool("url");
    adapters.addMinMax("length", "minlength", "maxlength", "rangelength").addMinMax("range", "min", "max", "range");
    adapters.add("equalto", ["other"], function (options) {
        var prefix = getModelPrefix(options.element.name),
            other = options.params.other,
            fullOtherName = appendModelPrefix(other, prefix),
            //element = $(options.form).find(":input[name=" + fullOtherName + "]")[0];
            element = $(options.form).find(":input[name=" + fullOtherName.replace(".", "\\.") + "]")[0];


        setValidationValues(options, "equalTo", element);
    });
    adapters.add("required", function (options) {
        // jQuery Validate equates "required" with "mandatory" for checkbox elements
        if (options.element.tagName.toUpperCase() !== "INPUT" || options.element.type.toUpperCase() !== "CHECKBOX") {
            setValidationValues(options, "required", true);
        }
    });
    adapters.add("remote", ["url", "type", "additionalfields"], function (options) {
        var value = {
            url: options.params.url,
            type: options.params.type || "GET",
            data: {}
        },
            prefix = getModelPrefix(options.element.name);

        $.each(splitAndTrim(options.params.additionalfields || options.element.name), function (i, fieldName) {
            var paramName = appendModelPrefix(fieldName, prefix);
            value.data[paramName] = function () {
                return $(options.form).find(":input[name='" + paramName + "']").val();
            };
        });

        setValidationValues(options, "remote", value);
    });

    $(function () {
        $jQval.unobtrusive.parse(document);
    });
}(jQuery));

jquery.validate.unobtrusive.min.js

/*!
** Unobtrusive validation support library for jQuery and jQuery Validate
** Copyright (C) Microsoft Corporation. All rights reserved.
*/
(function(f){var k=f.validator,l,c="unobtrusiveValidation";function j(m,o,n){m.rules[o]=n;if(m.message){m.messages[o]=m.message}}function d(m){return m.replace(/^\s+|\s+$/g,"").split(/\s*,\s*/g)}function e(m){return m.substr(0,m.lastIndexOf(".")+1)}function b(n,m){if(n.indexOf("*.")===0){n=n.replace("*.",m)}return n}function g(n,p){var m=f(this).find("[data-valmsg-for='"+p[0].name+"']"),o=f.parseJSON(m.attr("data-valmsg-replace"))!==false;m.removeClass("field-validation-valid").addClass("field-validation-error");n.data("unobtrusiveContainer",m);if(o){m.empty();n.removeClass("input-validation-error").appendTo(m)}else{n.hide()}}function i(o,n){var m=f(this).find("[data-valmsg-summary=true]"),p=m.find("ul");if(p&&p.length&&n.errorList.length){p.empty();m.addClass("validation-summary-errors").removeClass("validation-summary-valid");f.each(n.errorList,function(){f("<li />").html(this.message).appendTo(p)})}}function h(n){var m=n.data("unobtrusiveContainer"),o=f.parseJSON(m.attr("data-valmsg-replace"));if(m){m.addClass("field-validation-valid").removeClass("field-validation-error");n.removeData("unobtrusiveContainer");if(o){m.empty()}}}function a(o){var n=f(o),m=n.data(c);if(!m){m={options:{errorClass:"input-validation-error",errorElement:"span",errorPlacement:f.proxy(g,o),invalidHandler:f.proxy(i,o),messages:{},rules:{},success:f.proxy(h,o)},attachValidation:function(){n.validate(this.options)},validate:function(){n.validate();return n.valid()}};n.data(c,m)}return m}k.unobtrusive={adapters:[],parseElement:function(p,m){var o=f(p),r=o.parents("form")[0],n,s,q;if(!r){return}n=a(r);n.options.rules[p.name]=s={};n.options.messages[p.name]=q={};f.each(this.adapters,function(){var u="data-val-"+this.name,t=o.attr(u),v={};if(t!==undefined){u+="-";f.each(this.params,function(){v[this]=o.attr(u+this)});this.adapt({element:p,form:r,message:t,params:v,rules:s,messages:q})}});jQuery.extend(s,{__dummy__:true});if(!m){n.attachValidation()}},parse:function(m){f(m).find(":input[data-val=true]").each(function(){k.unobtrusive.parseElement(this,true)});f("form").each(function(){var n=a(this);if(n){n.attachValidation()}})}};l=k.unobtrusive.adapters;l.add=function(o,n,m){if(!m){m=n;n=[]}this.push({name:o,params:n,adapt:m});return this};l.addBool=function(n,m){return this.add(n,function(o){j(o,m||n,true)})};l.addMinMax=function(r,q,o,n,m,p){return this.add(r,[m||"min",p||"max"],function(t){var u=t.params.min,s=t.params.max;if(u&&s){j(t,n,[u,s])}else{if(u){j(t,q,u)}else{if(s){j(t,o,s)}}}})};l.addSingleVal=function(o,m,n){return this.add(o,[m||"val"],function(p){j(p,n||o,p.params[m])})};k.addMethod("__dummy__",function(n,m,o){return true});k.addMethod("regex",function(o,n,p){var m;if(this.optional(n)){return true}m=new RegExp(p).exec(o);return(m&&(m.index===0)&&(m[0].length===o.length))});l.addSingleVal("accept","exts").addSingleVal("regex","pattern");l.addBool("creditcard").addBool("date").addBool("digits").addBool("email").addBool("number").addBool("url");l.addMinMax("length","minlength","maxlength","rangelength").addMinMax("range","min","max","range");l.add("equalto",["other"],function(n){var p=e(n.element.name),m=n.params.other,q=b(m,p),o=f(n.form).find(":input[name="+q.replace(".","\\.")+"]")[0];j(n,"equalTo",o)});l.add("required",function(m){if(m.element.tagName.toUpperCase()!=="INPUT"||m.element.type.toUpperCase()!=="CHECKBOX"){j(m,"required",true)}});l.add("remote",["url","type","additionalfields"],function(m){var o={url:m.params.url,type:m.params.type||"GET",data:{}},n=e(m.element.name);f.each(d(m.params.additionalfields||m.element.name),function(p,r){var q=b(r,n);o.data[q]=function(){return f(m.form).find(":input[name='"+q+"']").val()}});j(m,"remote",o)});f(function(){k.unobtrusive.parse(document)})}(jQuery));

Fix in relation to this StackOverflow question that I found very helpful. If you can upvote it, please do. http://stackoverflow.com/questions/6818516/compare-password-attribute