jquery.lint.js

/**
 * jQuery Lint
 * ---
 * VERSION 1.1
 * ---
 * jQuery lint creates a thin blanket over jQuery that'll
 * report any potentially erroneous activity to the console.
 * ---
 * Idea from:
 *      http://markmail.org/message/wzkosk2s5jklpkv4
 *      http://groups.google.com/group/jquery-dev/browse_thread/thread/9a15cca62ceb2444
 * ---
 * @author James Padolsey
 * @contributors Paul Irish, Zoran Zaric, Hans-Peter Buniat
 * ---
 * Dual licensed under the MIT and GPL licenses.
 *    - http://www.opensource.org/licenses/mit-license.php
 *    - http://www.gnu.org/copyleft/gpl.html
 */

(function(){

    var _jQuery = window.jQuery; // Change as needed

    if (!_jQuery) {
        return;
    }

    var glob = window,

        langs = {
            en: {
                incorrectCall: '%0(%1) called incorrectly',
                specialCheckFailed: '%0(%1) special check failed',
                moreInfo: 'More info:',
                youPassed: 'You passed: ',
                collection: 'Collection:',
                availableSigsInclude: 'Available signatures include: ',
                errorThrown: 'When I called %0(%1) with your args, an error was thrown!',
                repeatSelector: "You've used the same selector more than once.",
                info: 'Info',
                selector: 'Selector: ',
                slowSelector: 'Selector: %0\nSelectors should be as specific as possible, not overqualified and never "class only"',
                selectorAdvice: "You should only use the same selector more than once when you know the returned collection will be different. For example, if you've added more elements to the page that may comply with the selector",
                noElementsFound: 'No elements were found with the selector: "%0"',
                combineCalls: 'Why not combine these calls by passing an object? E.g. \n%0(%1)',
                methodTwice: "You've called %0(%1) more than once on the same jQuery object",
                triggeredBy: 'Triggered by %0 event',
                notBestMethod: 'Insted of accessing the property via %0(%1), use %2 insted',
                event: 'Event:',
                handler: 'Handler:',
                location: 'Location:',
                invalidFilters: 'Selector: %0\nYou used invalid filters (aka Pseudo classes):\n%1',
                badReadyCall: "Don't use jQuery().ready() - use jQuery(document).ready() instead. The former is likely to be deprecated in the future.",
                browser: "Don't use jQuery.browser",
                browserSafari: "Don't use jQuery.browser.safari - it's deprecated. If you have to use browser detection, then use jQuery.browser.webkit.",
                featureDetection: 'The jQuery team recommends against using jQuery.browser, please try to use feature detection instead (see jQuery.support).',
                boxModel: "Don't use jQuery.boxModel.",
                boxModelDeprecated: 'Deprecated in jQuery 1.3 (see jQuery.support)'
            },
            de: {
                incorrectCall: '%0(%1) falsch aufgerufen',
                specialCheckFailed: '%0(%1) Spezial-Check fehlgeschlagen',
                moreInfo: 'Mehr Informationen:',
                youPassed: 'Du hast übergeben: ',
                collection: 'Sammlung:',
                availableSigsInclude: 'Verfügbare Signaturen enthalten: ',
                errorThrown: 'Als ich %0(%1) mit deinen Argumenten aufgerufen habe, wurde ein Fehler geworfen!',
                repeatSelector: "Du hast den selben Selektor mehrmals verwendet.",
                info: 'Info',
                selector: 'Selektor: ',
                slowSelector: 'Selektor: %0\nSelektoren sollten so spezifisch wie moeglich sein, nicht ueberqualifiziert und nicht nur anhand einer Klasse selektieren',
                selectorAdvice: "Du solltest den selben Selektor nur dann verwenden, wenn du weißt dass sich das Ergebnis ändert. Zum Beispiel, wenn du Elemente zu einer Seite hinzufügst, die den Selektor erfüllen",
                noElementsFound: 'Keine Elemente gefunden für den Selektor: "%0"',
                combineCalls: 'Warum kombinierst du diese Aufrufen nicht, indem du ein Objekt übergibst? z.B. \n%0(%1)',
                methodTwice: "Du hast %0(%1) mehr als ein mal auf dem selben jQuery-Objekt aufgerufen",
                triggeredBy: 'Vom %0-Event getriggert',
                notBestMethod: 'Verwende %2 anstelle von %0(%1)',
                event: 'Event:',
                handler: 'Handler:',
                location: 'Location:',
                invalidFilters: 'Selektor: %0\nDu hast fehlerhafte Filter verwendet (aka Pseudo Klassen):\n%1',
                badReadyCall: "Verwende jQuery().ready() nicht - verwende stattdessen jQuery(document).ready(). Ersteres wird wahrscheinlich in der Zukunft deprecated.",
                browser: "Verwende jQuery.browser nicht",
                browserSafari: "Verwende jQuery.browser.safari nicht - es ist deprecated. Wenn du eine Browser-Erkennung verwenden musst, nimm jQuery.browser.webkit.",
                featureDetection: 'Das jQuery-Team empfiehlt jQuery.browser nicht zu verwenden. Verwende lieber Feature-Erkennung (siehe jQuery.support).',
                boxModel: "Verwende jQuery.boxModel nicht.",
                boxModelDeprecated: 'Deprecated in jQuery 1.3 (siehe jQuery.support)'
            }
        },

        // Define console if not defined
        // Access it via jQuery.LINT.console
        emptyFn = function(){},
        _console = {

            warn: glob.console && console.warn ?
                function(){
                    console.warn.apply(console, arguments);
                } : emptyFn,

            group: glob.console && console.group ?
                function(){
                    console.group.apply(console, arguments);
                } : emptyFn,

            groupEnd: glob.console && console.groupEnd ?
                function(){
                    console.groupEnd();
                } : emptyFn,

            groupCollapsed: glob.console && console.groupCollapsed ?
                function(){
                    console.groupCollapsed.apply(console, arguments);
                } : emptyFn,

            log: glob.console && console.log ?
                function(){
                    console.log.apply(console, arguments);
                } : emptyFn

        },

        // Add specific checks
        // This is the best place to bring up bad practices
        checks = [
            {/* Level 0 */},
            {/* Level 1 */},
            {/* Level 2 */},
            {/* Level 3 */}
        ],

        addCheck = function(methodName, level, check) {

            level = Math.min(3, ~~level);

            (checks[level][methodName] || (checks[level][methodName] = [])).push(check);

            return lint;

        },

        lint = {
            version: '1.01',
            level: 3,
            checks: checks,
            special: checks, // Support decrecated API
            addCheck: addCheck,
            lang: 'en',
            langs: langs,
            console: _console,
            throwErrors: false,
            enabledReports: {
                // True to report, false to supress
                noElementsFound: true,
                repeatSelector: true,
                browserSniffing: true,
                slowSelector: true,
                invalidFilters: true
            },
            api: {focus:[{added:"1.0"},{added:"1.0",arg:[{name:"handler(eventObject)",type:"Function"}]},{added:"1.4.3",arg:[{name:"eventData",type:"Object",optional:true},{name:"handler(eventObject)",type:"Function"}]},{added:"1.6"}],"deferred.pipe":[{added:"1.6",arg:[{name:"doneFilter",type:"Function",optional:true},{name:"failFilter",type:"Function",optional:true}]}],"deferred.always":[{added:"1.6",arg:[{name:"alwaysCallbacks",type:"Function"}]}],promise:[{added:"1.6",arg:[{name:"type",type:"String",optional:true,"default":"fx"},{name:"target",type:"Object, Function",optional:true,multiple:true}]}],removeProp:[{added:"1.6",arg:[{name:"propertyName",type:"String"},{name:"value",type:"String, Number, Boolean"}]}],prop:[{added:"1.6",arg:[{name:"propertyName",type:"String"},{name:"function(index, oldPropertyValue)",type:"Function"}]},{added:"1.6",arg:[{name:"map",type:"Map"}]},{added:"1.6",arg:[{name:"propertyName",type:"String"},{name:"value",type:"String, Number, Boolean"}]},{added:"1.6",arg:[{name:"propertyName",type:"String"}]}],"jQuery.ajaxPrefilter":[{added:"1.5",arg:[{name:"dataTypes",optional:true,type:"String"},{name:"handler(options, originalOptions, jqXHR)",type:"Function"}]}],"jQuery.holdReady":[{added:"1.6",arg:[{name:"hold",type:"Boolean"}]}],"jQuery.hasData":[{added:"1.5",arg:[{name:"element",type:"Element"}]}],"jQuery.now":[{added:"1.4.3"}],jquery:[{added:"1.0"}],"deferred.promise":[{added:"1.5",arg:[{name:"target",type:"Object, 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",type:"Map, String"},{name:"complete(responseText, textStatus, XMLHttpRequest)",type:"Function",optional:true}]},{added:"1.4.3",arg:[{name:"eventData",type:"Object",optional:true},{name:"handler(eventObject)",type:"Function"}]}],ready:[{added:"1.0",arg:[{name:"handler",type:"Function"}]}],die:[{added:"1.3",arg:[{name:"eventType",type:"String"},{name:"handler",optional:true,type:"String"}]},{added:"1.4.3",arg:[{name:"eventTypes",type:"Map"}]},{added:"1.4.1"}],"jQuery.browser":[{added:"1.0"}],"jQuery.browser.version":[{added:"1.1.3"}],live:[{added:"1.3",arg:[{name:"eventType",type:"String"},{name:"handler",type:"Function"}]},{added:"1.4.3",arg:[{name:"events",type:"Object"}]},{added:"1.4",arg:[{name:"eventType",type:"String"},{name:"eventData",type:"Object"},{name:"handler",type:"Function"}]}],triggerHandler:[{added:"1.2",arg:[{name:"eventType",type:"String"},{name:"extraParameters",type:"Array"}]}],trigger:[{added:"1.0",arg:[{name:"eventType",type:"String"},{name:"extraParameters",type:"Object"}]},{added:"1.3",arg:[{name:"event",type:"Event"}]}],ajaxComplete:[{added:"1.0",arg:[{name:"handler(event, XMLHttpRequest, ajaxOptions)",type:"Function"}]}],one:[{added:"1.1",arg:[{name:"eventType",type:"String"},{name:"eventData",type:"Object",optional:true},{name:"handler(eventObject)",type:"Function"}]}],serializeArray:[{added:"1.2"}],serialize:[{added:"1.0"}],"jQuery.ajaxSetup":[{added:"1.1",arg:[{name:"options",type:"Options"}]}],ajaxSuccess:[{added:"1.0",arg:[{name:"handler(event, XMLHttpRequest, ajaxOptions)",type:"Function"}]}],ajaxStop:[{added:"1.0",arg:[{name:"handler()",type:"Function"}]}],ajaxStart:[{added:"1.0",arg:[{name:"handler()",type:"Function"}]}],ajaxSend:[{added:"1.0",arg:[{name:"handler(event, jqXHR, ajaxOptions)",type:"Function"}]}],ajaxError:[{added:"1.0",arg:[{name:"handler(event, jqXHR, ajaxSettings, thrownError)",type:"Function"}]}],unbind:[{added:"1.0",arg:[{name:"eventType",type:"String",optional:true},{name:"handler(eventObject)",type:"Function",optional:true}]},{added:"1.0",arg:[{name:"event",type:"Object"}]},{added:"1.4.3",arg:[{name:"eventType",type:"String"},{name:"false",type:"Boolean"}]}],bind:[{added:"1.0",arg:[{name:"eventType",type:"String"},{name:"eventData",type:"Object",optional:true},{name:"handler(eventObject)",type:"Function"}]},{added:"1.4",arg:[{name:"events",type:"Object"}]},{added:"1.4.3",arg:[{name:"eventType",type:"String"},{name:"eventData",type:"Object",optional:true},{name:"false",type:"Boolean"}]}],slice:[{added:"1.1.4",arg:[{name:"start",type:"Integer"},{name:"end",optional:true,type:"Integer"}]}],jQuery:[{added:"1.0",arg:[{name:"html",type:"String"},{name:"ownerDocument",optional:true,type:"document"}]},{added:"1.0",arg:[{name:"callback",type:"Function"}]},{added:"1.0",arg:[{name:"selector",type:"selector"},{name:"context",optional:true,type:"Element, jQuery"}]},{added:"1.0",arg:[{name:"jQuery object",type:"Object"}]},{added:"1.0",arg:[{name:"element",type:"Element"}]},{added:"1.0",arg:[{name:"elementArray",type:"Array"}]},{added:"1.4"},{added:"1.4",arg:[{name:"html",type:"String"},{name:"props",type:"Object"}]}],stop:[{added:"1.2",arg:[{name:"clearQueue",type:"Boolean",optional:true},{name:"jumpToEnd",type:"Boolean",optional:true}]}],end:[{added:"1.0"}],andSelf:[{added:"1.2"}],siblings:[{added:"1.0",arg:[{name:"selector",optional:true,type:"Selector"}]}],animate:[{added:"1.0",arg:[{name:"properties",type:"Map"},{name:"options",type:"Map"}]},{added:"1.0",arg:[{name:"properties",type:"Map"},{name:"duration",type:"String,Number",optional:true},{name:"easing",type:"String",optional:true},{name:"complete",type:"Function",optional:true}]}],prevAll:[{added:"1.2",arg:[{name:"selector",optional:true,type:"Selector"}]}],prev:[{added:"1.0",arg:[{name:"selector",optional:true,type:"Selector"}]}],fadeTo:[{added:"1.0",arg:[{name:"duration",type:"String,Number"},{name:"opacity",type:"Number"},{name:"callback",type:"Callback",optional:true}]},{added:"1.4.3",arg:[{name:"duration",type:"String,Number"},{name:"opacity",type:"Number"},{name:"easing",type:"String",optional:true},{name:"callback",type:"Callback",optional:true}]}],fadeOut:[{added:"1.0",arg:[{name:"duration",type:"String,Number",optional:true},{name:"callback",type:"Callback",optional:true}]},{added:"1.4.3",arg:[{name:"duration",type:"String,Number",optional:true},{name:"easing",type:"String",optional:true},{name:"callback",type:"Callback",optional:true}]}],parents:[{added:"1.0",arg:[{name:"selector",optional:true,type:"Selector"}]}],fadeIn:[{added:"1.0",arg:[{name:"duration",type:"String,Number",optional:true},{name:"callback",type:"Callback",optional:true}]},{added:"1.4.3",arg:[{name:"duration",type:"String,Number",optional:true},{name:"easing",type:"String",optional:true},{name:"callback",type:"Callback",optional:true}]}],offsetParent:[{added:"1.2.6"}],slideToggle:[{added:"1.0",arg:[{name:"duration",type:"String,Number",optional:true},{name:"callback",type:"Callback",optional:true}]},{added:"1.4.3",arg:[{name:"duration",type:"String,Number",optional:true},{name:"easing",type:"String",optional:true},{name:"callback",type:"Callback",optional:true}]}],"jQuery.post":[{added:"1.0",arg:[{name:"url",type:"String"},{name:"data",optional:true,type:"Map, String"},{name:"success(data, textStatus, jqXHR)",optional:true,type:"Function"},{name:"dataType",optional:true,type:"String"}]}],slideUp:[{added:"1.0",arg:[{name:"duration",type:"String,Number",optional:true},{name:"callback",type:"Callback",optional:true}]},{added:"1.4.3",arg:[{name:"duration",type:"String,Number",optional:true},{name:"easing",type:"String",optional:true},{name:"callback",type:"Callback",optional:true}]}],nextAll:[{added:"1.2",arg:[{name:"selector",optional:true,type:"String"}]}],next:[{added:"1.0",arg:[{name:"selector",optional:true,type:"Selector"}]}],slideDown:[{added:"1.0",arg:[{name:"duration",type:"String,Number",optional:true},{name:"callback",type:"Callback",optional:true}]},{added:"1.4.3",arg:[{name:"duration",type:"String,Number",optional:true},{name:"easing",type:"String",optional:true},{name:"callback",type:"Callback",optional:true}]}],find:[{added:"1.0",arg:[{name:"selector",type:"Selector"}]},{added:"1.6",arg:[{name:"element",type:"Element"}]},{added:"1.6",arg:[{name:"jQuery object",type:"Object"}]}],"jQuery.getScript":[{added:"1.0",arg:[{name:"url",type:"String"},{name:"success(data, textStatus)",optional:true,type:"Function"}]}],contents:[{added:"1.2"}],closest:[{added:"1.3",arg:[{name:"selector",type:"Selector"}]},{added:"1.4",arg:[{name:"selector",type:"Selector"},{name:"context",optional:true,type:"Element"}]},{added:"1.4",arg:[{name:"selectors",type:"Array"},{name:"context",optional:true,type:"Element"}]},{added:"1.6",arg:[{name:"jQuery object",type:"jQuery"}]},{added:"1.6",arg:[{name:"element",type:"Element"}]}],"jQuery.getJSON":[{added:"1.0",arg:[{name:"url",type:"String"},{name:"data",optional:true,type:"Map"},{name:"success(data, textStatus, jqXHR)",optional:true,type:"Function"}]}],"jQuery.get":[{added:"1.0",arg:[{name:"url",type:"String"},{name:"data",optional:true,type:"Map, String"},{name:"success(data, textStatus, jqXHR)",optional:true,type:"Function"},{name:"dataType",optional:true,type:"String"}]}],"jQuery.ajax":[{added:"1.0",arg:[{name:"settings",type:"Map"}]},{added:"1.5",arg:[{name:"url",type:"String"},{name:"settings",type:"Map",optional:true}]}],length:[{added:"1.0"}],children:[{added:"1.0",arg:[{name:"selector",optional:true,type:"Selector"}]}],selector:[{added:"1.3"}],add:[{added:"1.0",arg:[{name:"html",type:"HTML"}]},{added:"1.0",arg:[{name:"elements",type:"Elements"}]},{added:"1.0",arg:[{name:"selector",type:"Selector"}]},{added:"1.4",arg:[{name:"selector",type:"Selector"},{name:"context",type:"Element"}]}],context:[{added:"1.3"}],outerWidth:[{added:"1.2.6",arg:[{name:"includeMargin",optional:true,type:"Boolean"}]}],outerHeight:[{added:"1.2.6",arg:[{name:"includeMargin",optional:true,type:"Boolean"}]}],innerWidth:[{added:"1.2.6"}],innerHeight:[{added:"1.2.6"}],"jQuery.param":[{added:"1.2",arg:[{name:"obj",type:"Array, Object"}]},{added:"1.4",arg:[{name:"obj",type:"Array, Object"},{name:"traditional",type:"Boolean"}]}],hide:[{added:"1.0"},{added:"1.0",arg:[{name:"duration",type:"String,Number"},{name:"callback",type:"Callback",optional:true}]},{added:"1.4.3",arg:[{name:"duration",type:"String,Number",optional:true},{name:"easing",type:"String",optional:true},{name:"callback",type:"Callback",optional:true}]}],width:[{added:"1.0"},{added:"1.0",arg:[{name:"value",type:"String, Number"}]},{added:"1.4.1",arg:[{name:"function(index, width)",type:"Function"}]}],height:[{added:"1.0"},{added:"1.0",arg:[{name:"value",type:"String, Number"}]},{added:"1.4.1",arg:[{name:"function(index, height)",type:"Function"}]}],show:[{added:"1.0"},{added:"1.0",arg:[{name:"duration",type:"String,Number"},{name:"callback",type:"Callback",optional:true}]},{added:"1.4.3",arg:[{name:"duration",type:"String,Number",optional:true},{name:"easing",type:"String",optional:true},{name:"callback",type:"Callback",optional:true}]}],scrollLeft:[{added:"1.2.6",arg:[{name:"value",type:"Number"}]},{added:"1.2.6"}],"jQuery.trim":[{added:"1.0",arg:[{name:"str",type:"String"}]}],"jQuery.isFunction":[{added:"1.2",arg:[{name:"obj",type:"Object"}]}],"jQuery.isArray":[{added:"1.3",arg:[{name:"obj",type:"Object"}]}],"jQuery.unique":[{added:"1.1.3",arg:[{name:"array",type:"Array"}]}],"jQuery.merge":[{added:"1.0",arg:[{name:"first",type:"Array"},{name:"second",type:"Array"}]}],"jQuery.inArray":[{added:"1.2",arg:[{name:"value",type:"Any"},{name:"array",type:"Array"}]}],"jQuery.map":[{added:"1.0",arg:[{name:"array",type:"Array"},{name:"callback(elementOfArray, indexInArray)",type:"Function"}]},{added:"1.6",arg:[{name:"arrayOrObject",type:"Array,Object"},{name:"callback( value, indexOrKey )",type:"Function"}]}],"jQuery.makeArray":[{added:"1.2",arg:[{name:"obj",type:"Object"}]}],"jQuery.grep":[{added:"1.0",arg:[{name:"array",type:"Array"},{name:"function(elementOfArray, indexInArray)",type:"Function"},{name:"invert",optional:true,type:"Boolean"}]}],"jQuery.extend":[{added:"1.0",arg:[{name:"target",type:"Object, Function",multiple:true},{name:"object1",type:"Object",optional:true},{name:"objectN",optional:true,type:"Object"}]},{added:"1.1.4",arg:[{name:"deep",optional:true,type:"Boolean"},{name:"target",type:"Object, Function",multiple:true},{name:"object1",type:"Object"},{name:"objectN",optional:true,type:"Object"}]}],"jQuery.each":[{added:"1.0",arg:[{name:"collection",type:"Object, Array"},{name:"callback(indexInArray, valueOfElement)",type:"Function"}]}],"jQuery.boxModel":[{added:"1.0"}],scrollTop:[{added:"1.2.6",arg:[{name:"value",type:"Number"}]},{added:"1.2.6"}],"jQuery.support":[{added:"1.3"}],position:[{added:"1.2"}],offset:[{added:"1.2"},{added:"1.4",arg:[{name:"function(index, coords)",type:"Function"}]},{added:"1.4",arg:[{name:"coordinates",type:"Object"}]}],css:[{added:"1.0",arg:[{name:"map",type:"Map"}]},{added:"1.0",arg:[{name:"propertyName",type:"String"},{name:"value",type:"String, Number"}]},{added:"1.0",arg:[{name:"propertyName",type:"String"}]},{added:"1.4",arg:[{name:"propertyName",type:"String"},{name:"function(index, value)",type:"Function"}]}],unwrap:[{added:"1.4"}],detach:[{added:"1.4",arg:[{name:"selector",optional:true,type:"Selector"}]}],clone:[{added:"1.0",arg:[{name:"withDataAndEvents",optional:true,type:"Boolean","default":"false"}]},{added:"1.5",arg:[{name:"withDataAndEvents",optional:true,type:"Boolean","default":"false"},{name:"deepWithDataAndEvents",optional:true,type:"Boolean","default":"value of withDataAndEvents"}]}],remove:[{added:"1.0",arg:[{name:"selector",optional:true,type:"String"}]}],replaceAll:[{added:"1.2",arg:[{name:"target",type:"Selector"}]}],replaceWith:[{added:"1.2",arg:[{name:"newContent",type:"String, Element, jQuery"}]},{added:"1.4",arg:[{name:"function",type:"Function"}]}],wrapInner:[{added:"1.2",arg:[{name:"wrappingElement",type:"String"}]},{added:"1.4",arg:[{name:"wrappingFunction",type:"Function"}]}],wrapAll:[{added:"1.2",arg:[{name:"wrappingElement",type:"String, Selector, Element, jQuery"}]}],wrap:[{added:"1.0",arg:[{name:"wrappingElement",type:"String, Selector, Element, jQuery"}]},{added:"1.4",arg:[{name:"function(index)",type:"Function"}]}],insertBefore:[{added:"1.0",arg:[{name:"target",type:"Selector, Element, jQuery"}]}],before:[{added:"1.0",arg:[{name:"content",type:"String, Element, jQuery"},{name:"content",type:"String, Element, Array, jQuery",optional:true,multiple:true}]},{added:"1.4",arg:[{name:"function",type:"Function"}]}],insertAfter:[{added:"1.0",arg:[{name:"target",type:"Selector, Element, jQuery"}]}],after:[{added:"1.0",arg:[{name:"content",type:"String, Element, jQuery"},{name:"content",type:"String, Element, Array, jQuery",optional:true,multiple:true}]},{added:"1.4",arg:[{name:"function(index)",type:"Function"}]}],prependTo:[{added:"1.0",arg:[{name:"target",type:"Selector, Element, jQuery"}]}],prepend:[{added:"1.0",arg:[{name:"content",type:"String, Element, jQuery"},{name:"content",type:"String, Element, jQuery",optional:true,multiple:true}]},{added:"1.4",arg:[{name:"function(index, html)",type:"Function"}]}],appendTo:[{added:"1.0",arg:[{name:"target",type:"Selector, Element, jQuery"}]}],append:[{added:"1.0",arg:[{name:"content",type:"String, Element, jQuery"},{name:"content",type:"String, Element, Array, jQuery",optional:true,multiple:true}]},{added:"1.4",arg:[{name:"function(index, html)",type:"Function"}]}],val:[{added:"1.0"},{added:"1.0",arg:[{name:"value",type:"String"}]},{added:"1.4",arg:[{name:"function(index, value)",type:"Function"}]}],html:[{added:"1.0"},{added:"1.0",arg:[{name:"htmlString",type:"String, Number"}]},{added:"1.4",arg:[{name:"function(index, oldhtml)",type:"Function"}]}],map:[{added:"1.2",arg:[{name:"callback(index, domElement)",type:"Function"}]}],is:[{added:"1.0",arg:[{name:"selector",type:"Selector"}]},{added:"1.6",arg:[{name:"element",type:"Element"}]},{added:"1.6",arg:[{name:"function(index)",type:"Function"}]},{added:"1.6",arg:[{name:"jQuery object",type:"Object"}]}],filter:[{added:"1.0",arg:[{name:"selector",type:"Selector"}]},{added:"1.0",arg:[{name:"function(index)",type:"Function"}]},{added:"1.4",arg:[{name:"jQuery object",type:"Object"}]},{added:"1.4",arg:[{name:"element",type:"Element"}]}],toggleClass:[{added:"1.0",arg:[{name:"className",type:"String"}]},{added:"1.3",arg:[{name:"className",type:"String"},{name:"switch",type:"Boolean"}]},{added:"1.4",arg:[{name:"function(index, class)",type:"Function"},{name:"switch",optional:true,type:"Boolean"}]}],removeClass:[{added:"1.0",arg:[{name:"className",optional:true,type:"String"}]},{added:"1.4",arg:[{name:"function(index, class)",type:"Function"}]}],hasClass:[{added:"1.2",arg:[{name:"className",type:"String"}]}],removeAttr:[{added:"1.0",arg:[{name:"attributeName",type:"String"}]}],attr:[{added:"1.0",arg:[{name:"map",type:"Map"}]},{added:"1.0",arg:[{name:"attributeName",type:"String"},{name:"value",type:"String,Number"}]},{added:"1.0",arg:[{name:"attributeName",type:"String"}]},{added:"1.1",arg:[{name:"attributeName",type:"String"},{name:"function(index, attr)",type:"Function"}]}],addClass:[{added:"1.0",arg:[{name:"className",type:"String"}]},{added:"1.4",arg:[{name:"function(index, currentClass)",type:"Function"}]}]}
        },

        api = lint.api,

        // Only cover certain fns under the jQ namespace
        coveredNamespace = /^(getJSON|extend|ajax|get|post|proxy|each|map|queue|ajax|ajaxSetup|removeData|data|pushStack)$/,

        version = _jQuery.fn.jquery,
        map = _jQuery.map,
        each = _jQuery.each,
        extend = _jQuery.extend,
        find = _jQuery.find,
        rootjQuery = _jQuery.rootjQuery,

        undefined,

        arrSlice = Array.prototype.slice,
        slice = function(a,s,e) {
            return a.length ? arrSlice.call(a, s || 0, e || a.length) : [];
        },

        compare = function(a,b) {

            // Compare two arrays

            var i = a.length;

            if (a.length !== b.length) {
                return false;
            }

            while (i--) {
                if (a[i] !== b[i]) {
                    return false;
                }
            }

            return true;

        },

        isFunction = function(obj) {
            return toString.call(obj) === "[object Function]";
        },

        isArray = function(obj) {
            return toString.call(obj) === "[object Array]";
        },

        toString = Object.prototype.toString,

        typeToString = function(o) {

            if (!o) { return ""; }

            if (typeof o === 'string') {
                return '"' + o.replace(/"/g,'\\"') + '"';
            }

            if (isFunction(o)) {
                return 'function(){...}';
            }

            return o.toString();
        },

        shaveArray = function(arr) {

            arr = slice(arr);

            // Shave "undefined" off the end of args
            for (var i = arr.length; i--;) {
                if (arr[i] === undefined) {
                    arr.splice(i, 1);
                } else {
                    break;
                }
            }
            return arr;
        },

        // Type map
        types = {
            '*': function() {
                return true;
            },
            selector: function(o) {
                return this.string(o);
            },
            element: function(o) {
                return o && (!!o.nodeName || o === window || !!o.nodeType );
            },
            elements: function(o) {
                return this.element(o) || this.jquery(o) || this.array(o);
            },
            array: function(o) {
                // Just check that it's "array-like"
                return o && o.length !== undefined
                        && typeof o !== 'string' && !isFunction(o);
            },
            jquery: function(o) {
                return o instanceof _jQuery;
            },
            'jquery object': function(o) {
                return o instanceof _jQuery;
            },
            object: function(o) {
                return toString.call(o) === '[object Object]';
            },
            'function': function(o) {
                return isFunction(o);
            },
            notfunction: function(o) {
                return !this['function'](o);
            },
            callback: function(o) {
                return isFunction(o);
            },
            string: function(o) {
                return typeof o === 'string';
            },
            number: function(o) {
                return typeof o === 'number' && !isNaN(o);
            },
            integer: function(o) {
                return this.number(o) && ~~o === o;
            },
            map: function(o) {
                return this.object(o);
            },
            options: function(o) {
                return this.object(o);
            },
            'eventType': function(o) {
                return typeof o === 'string';
            },
            'event': function(o) {
                return typeof o === 'event';
            },
            'null': function(o) {
                return o === null;
            },
            'boolean': function(o) {
                return typeof o === 'boolean';
            }
        },

        selectorCache = {},
        jQueryMethods = extend({}, _jQuery.fn),
        internal = false,
        fromInit = false;

    function logLocation() {

        // Attempt to log line number of error

        try {
            throw new Error();
        } catch(e) {
            if (e.stack) {
                lint.console.groupCollapsed(lint.langs[lint.lang].location);
                lint.console.log(
                    e.stack
                        // Remove everything before the file name and line number
                        // plus, get rid of errors from jQuery.lint.js & any libs
                        // from google's CDN (not perfect but should narrow it down)
                        .replace(/^.+?\n|.+?(jquery\.lint\.js|http:\/\/ajax\.googleapis\.com).+?(\n|$)|.+?(?=@)/g, '')
                        // Remove duplicates
                        .replace(/(^|\n)(.+?)\n(?=\2(?:\n|$)|[\s\S]+?\n\2(?:\n|$))/g, '$1')
                );
                lint.console.groupEnd();
            }
        }

    }

    function isValidArgumentList(args, sig) {

        // Determine if argument list complies with
        // signature outlined in API.
        var matches = false,
            sigArg,
            argLength = args.length,
            nextIsOptional = false;

        if (version < sig.added) {
            // Too new
            return false;
        }

        if (!sig.arg) {
            return 0 === args.length;
        }

        if (!sig.arg[0] && (args.length > 1)) {
            return false;
        }

        for (
                var sigIndex = 0,
                    argIndex = 0,
                    fullLength = Math.max(argLength, sig.arg.length || 1);
                sigIndex < fullLength || argIndex < argLength;
                ++sigIndex
            ) {

            sigArg = sigIndex === 0 ? sig.arg[0] || sig.arg : sig.arg[sigIndex];
            if (!sigArg) {
                // Too many args
                return false;
            }

            matches = isValidType(sigArg.type, args[argIndex]);
            if (!matches) {
                if (sigArg.optional) {
                    if (args[argIndex] === undefined || args[argIndex] === null) {
                        ++argIndex;
                        matches = true;
                    }
                    continue;
                } else {
                    // Sig isn't optional
                    return false;
                }
            }

            if (sigArg.multiple) {
                // If it's multiple, then carry on with the same
                // signature, but check that there are remaining
                // arguments

                --sigIndex;
                if (argIndex + 1 >= argLength) {
                    break;
                }
            }

            ++argIndex;
        }

        return matches;

    }

    function isValidType(type, arg) {

        // Check that argument is of the right type
        // The types are specified within the API data
        var split = type.split(/,\s?/g),
            i = split.length,
            cur;

        while (i--) {
            cur = split[i].toLowerCase();
            if (types[cur] && types[cur](arg)) {
                return true;
            }
        }

        return false;

    }

    function runFunction(fn, args, isInternal, thisObj) {

        // Runs a function, while enabling/disabling
        // the 'internal' flag as necessary.

        var wasInternal = internal, ret;

        internal = isInternal;

        try {
            ret = fn.apply(thisObj, args);
        } catch(e) {
            internal = wasInternal;
            throw e;
        }

        internal = wasInternal;

        return ret;

    }

    function registerMethod(name, methodAPI) {

        var obj = /^jQuery\./.test(name) ? _jQuery : _jQuery.fn,
            methodName = name.replace(/^jQuery\./, '');

        obj[methodName] = (function(meth, name){
            return extend(function() {

                var args = slice(arguments),
                    _internal = internal;

                // Cover functions so that the internal flag
                // is disabled before they are called
                each(args, function(i, fn){
                    if (typeof fn == 'function') {
                        args[i] = function() {
                            /*Run it as non-internal*/
                            return runFunction(fn, arguments, _internal, this);
                        };
                    }
                });

                return coverMethod.call(this, name, function(){

                    // Run it as internal
                    return runFunction(meth, args, true, this);

                }, args);

            }, meth);
        })(obj[methodName], name);

        if (methodAPI) {
            api[name] = methodAPI;
        }

    }

    lint.registerMethod = registerMethod;

    function coverMethod(name, meth, args) {
        if (name == 'jQuery' && args.length == 3 && typeof(args[2]) == 'object') {
            delete args[2];
        }

        args = shaveArray(args);

        var locale = lint.langs[lint.lang],
            sigs = api[name],
            _console = lint.console,
            self = this,
            i = 0,
            sig,
            specialCheckResults = (function(){

                // Perform special checks for current level and
                // all levels below current level.
                var lvl = lint.level + 1,
                    results = [],
                    check;

                while (lvl--) {
                    if (checks[lvl] && (check = checks[lvl][name])) {
                        if (types.array(check)) {
                            each(check, function(i, chk){
                                results.push(
                                    chk.apply(self, args)
                                );
                            });
                        } else {
                            results.push(
                                check.apply(self, args)
                            );
                        }
                    }
                }

                return results;

            }()),
            signatureMatch = false,
            sliced = slice(this, 0, 10);

        if (!sigs || !lint.level || internal) {
            return meth.apply(this, args);
        }

        if (this.length > 10) {
            sliced.push('...');
        }

        // Check all arguments passed to method for compliance
        // against the corresponding signature.
        while ((sig = sigs[i++])) {
            if ( isValidArgumentList(args, sig) ) {
                signatureMatch = true;
                break;
            }
        }

        if (!signatureMatch) {
            // Args !== signature
            _console.warn(locale.incorrectCall.replace(/%0/, name).replace(/%1/, args.toString()));
            _console.groupCollapsed(locale.moreInfo);
                if (this instanceof _jQuery) {
                    _console.log(locale.collection, sliced);
                }
                logLocation();
                _console.log(locale.youPassed, args);
                _console.group(locale.availableSigsInclude);
                    each(sigs, function(i, sig){
                        if (version < sig.added) {
                            return;
                        }

                        var sigArgs = sig.arg;
                        _console.log(
                            name + '(' +
                            (sigArgs ?
                                 sigArgs[0] ?
                                    map(sigArgs, function(sig, i){
                                        return sig ? sig.optional ? '[' + sig.name + ']' : sig.multiple ? sig.name + ',[...]' : sig.name : [];
                                    }).join(', ') :
                                    sigArgs.name
                            : '') + ')'
                        );
                    });
                _console.groupEnd();
            _console.groupEnd();

        }

        if (specialCheckResults.length) {
            each(specialCheckResults, function(i, checkResult){
                if (checkResult && checkResult !== true) {
                    if (isFunction(checkResult)) {
                        checkResult(_console);
                    } else {
                        _console.warn(locale.specialCheckFailed.replace(/%0/, name).replace(/%1/, args.toString()));
                        _console.groupCollapsed(locale.moreInfo);
                            _console.log(checkResult);
                            _console.log(locale.collection, sliced);
                            logLocation();
                        _console.groupEnd();
                    }
                }
            });
        }

        if (lint.throwErrors) {
            return meth.apply(this, args);
        }

        try {
            return meth.apply(this, args);
        } catch(e) {

            _console.warn(
                locale.errorThrown.replace(/%0/, name).replace(/%1/, args.toString()), e
            );

            _console.groupCollapsed(locale.moreInfo);
                logLocation();
                _console.log(locale.youPassed, args);
            _console.groupEnd();

            return this;
        }

    }

    // "Cover" init constructor
    // Reports when no elements found, and when selector
    // used more than once to no effect.
    _jQuery.fn.init = (function(_init){

        return function(selector, context, rootjQuery) {

            var locale = lint.langs[lint.lang],
                ret = coverMethod.call(this, 'jQuery', function(){
                    return runFunction(function(){
                        return new _init(selector, context, rootjQuery);
                    }, [], true, this);

                }, arguments),
                _console = lint.console;

            // Deal with situations where no elements are returned
            // and for the same selector being used more than once
            // to no effect
            if (!internal && typeof selector === 'string' && lint.level > 1) {

                if (ret[0]) {

                    // Check for identical collection already in cache.
                    if ( lint.enabledReports.repeatSelector && selectorCache[selector] && compare(selectorCache[selector], ret) ) {

                        _console.warn(locale.repeatSelector);
                        _console.groupCollapsed(locale.info);
                            logLocation();
                            _console.log(locale.selector + '"' + selector + '"');
                            _console.log(locale.selectorAdvice);
                        _console.groupEnd();
                    }
                }
                else {
                    if (lint.enabledReports.noElementsFound) {
                        lint.console.warn(lint.langs[lint.lang].noElementsFound.replace(/%0/, selector));
                        logLocation();
                    }
                }

                selectorCache[selector] = ret;
            }

            return ret;
        };
    })(_jQuery.fn.init);

    for (var i in _jQuery.fn) {
        if (i !== 'constructor' && i !== 'init' && isFunction(_jQuery.fn[i])) {
            registerMethod(i);
        }
    }

    for (var i in _jQuery) {
        if ( coveredNamespace.test(i) && isFunction(_jQuery[i]) ) {
            registerMethod('jQuery.' + i);
        }
    }

    _jQuery.LINT = lint;

    /////////////////////////
    // Some special checks //
    /////////////////////////
    addCheck('jQuery', 2, function(selector, context) {
        var locale = lint.langs[lint.lang];

        // It's a string, and NOT html - must be a selector
        if (!internal && typeof selector === 'string' && !/^[^<]*(<[\w\W]+>)[^>]*$/.test(selector)) {

            // Find invalid filters (e.g. :hover, :active etc.)
            // suggested by Paul Irish
            if (lint.enabledReports.invalidFilters) {
                var invalidFilters = [];

                selector.replace(/('|")(?:\\\1|[^\1])+?\1/g, '').replace(/:(\w+)/g, function(m, filter){
                    if (!/^(contains|not)$/.test(filter) && !((filter in _jQuery.expr[':']) || (filter in _jQuery.expr.setFilters))) {
                        invalidFilters.push(m);
                    }
                });

                if (invalidFilters.length) {
                    return locale.invalidFilters.replace(/%0/, selector).replace(/%1/, invalidFilters.join('\n'));
                }
            }

            // Find class only-selectors (poor IE6-8 performance)
            if (lint.enabledReports.slowSelector) {
                var slowSelectors = [];
                var selectors = selector.split(',');
                for (i in selectors) {
                    var tSelector = _jQuery.trim(selectors[i]);
                    if ((/(^|\w*?\s)\.\w/.test(tSelector) && (typeof context !== "object" || !context.length))
                        || /^(.+)#\w/.test(tSelector)) {
                        slowSelectors.push(tSelector);
                    }
                }

                if (slowSelectors.length) {
                    return locale.slowSelector.replace(/%0/, slowSelectors.join('\n'));
                }
            }
        }
    });

    addCheck('jQuery', 2, function() {
        // Set flag for ready() method, so we can check
        // for $().ready() - which should be $(document).ready()
        // suggested by Paul Irish
        if (!arguments.length) {
            this._lint_noArgs = true;
        }
    });

    addCheck('ready', 2, function(){

        // If _lint_noArgs is set then this object
        // was instantiated with no args. I.e. $().ready()
        if (this._lint_noArgs) {
            return lint.langs[lint.lang].badReadyCall;
        }
    });

    // check for non-ideal property/attribute access ( e.g. attr('id') - element.id is faster)
    each({'attr': {'id': 'elem.id', 'value': 'jQuery.val()'}}, function(method, attributes) {
        addCheck(method, 3, function() {
            if (typeof arguments !== 'undefined' && typeof attributes === 'object') {
                var match = false;
                for (m in arguments) {
                    if (attributes.hasOwnProperty(arguments[m])) {
                        match = arguments[m];
                    }
                }

                if (match !== false) {
                    var args = [].splice.call(arguments,0);
                    return lint.langs[lint.lang].notBestMethod.replace(/%0/, method)
                                                              .replace(/%1/, args.join(', '))
                                                              .replace(/%2/, attributes.match);
                }
            }
        });
    });

    // Check for calls like css().css().css()
    // May as well use css({...})
    each(['css','attr','bind','one'], function(i, methodName){

        addCheck(methodName, 3, function(){

            var args = arguments,
                hoc = this,
                locale = lint.langs[lint.lang],
                sliced = slice(hoc, 0, 10),
                _console = lint.console;

            if (hoc.length > 10) {
                sliced.push('...');
            }

            if (!internal && !types.object(args[0]) && (
                    (/^(css|attr)$/.test(methodName) && args[1] !== undefined) ||
                    (/^(bind|one)$/.test(methodName) && version >= '1.4' && /* Data no passed as [1] */!isFunction(args[2]))
                )
               ) {

                if (this._lastMethodCalled === methodName) {

                    _console.warn(locale.methodTwice.replace(/%0/, methodName).replace(/%1/, args.toString()));

                    _console.groupCollapsed(locale.moreInfo);

                        _console.log(locale.collection, sliced);
                        _console.log(args);
                        _console.log(
                            locale.combineCalls
                                .replace(/%0/, methodName)
                                .replace(/%1/, '{\n' +
                                    map([args, hoc._lastMethodArgs], function(a){
                                        return '  "' + a[0] + '": ' + typeToString(a[1]);
                                    }).join(',\n')
                                + '\n}')
                        );

                    _console.groupEnd();

                }

                hoc._lastMethodCalled = methodName;
                hoc._lastMethodArgs = args;

                setTimeout(function(){
                    hoc._lastMethodCalled = null;
                    hoc._lastMethodArgs = null;
                }, 0);

            }
        });

    });

    each(
        ['find', 'children', 'parent', 'parents',
         'next', 'nextAll', 'prev', 'prevAll',
         'first', 'last', 'closest', 'siblings',
         'parentsUntil', 'nextUntil', 'prevUntil'],
        function(i, methodName) {

            var pureMethod = jQueryMethods[methodName];

            addCheck(methodName, 2, function(selector){

                if ( !internal && lint.enabledReports.noElementsFound &&  !runFunction(pureMethod, arguments, true, this).length ) {

                    if (types['function'](selector)) {
                        selector = '[FUNCTION]';
                    }

                     lint.console.warn(lint.langs[lint.lang].noElementsFound.replace(/%0/, selector));
                     logLocation();

                }

            });

        }
    );

})();