Showing 47 of 95 total issues
Function lookup
has 33 lines of code (exceeds 25 allowed). Consider refactoring. Open
I18n.lookup = function(scope, options) {
options = this.prepareOptions(options);
var locales = this.locales.get(options.locale).slice()
, requestedLocale = locales[0]
Function parseDate
has 32 lines of code (exceeds 25 allowed). Consider refactoring. Open
I18n.parseDate = function(date) {
var matches, convertedDate, fraction;
// we have a date, so just return it.
if (typeof(date) == "object") {
return date;
Function VIEWPORTWATCH
has 32 lines of code (exceeds 25 allowed). Consider refactoring. Open
VIEWPORTWATCH: function () {
// access MAIN variable
element = this.element;
settings = this.settings;
Method update
has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring. Open
def update
if params["user"].present? #updating account details
resource = current_user
prev_unconfirmed_email = resource.unconfirmed_email if resource.respond_to?(:unconfirmed_email)
- Read upRead up
Cognitive Complexity
Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.
A method's cognitive complexity is based on a few simple rules:
- Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
- Code is considered more complex for each "break in the linear flow of the code"
- Code is considered more complex when "flow breaking structures are nested"
Further reading
Method call
has a Cognitive Complexity of 11 (exceeds 5 allowed). Consider refactoring. Open
def call(speech_ids)
speech_ids.each do |id|
speech = Speech.find(id)
if speech.state == "accepted"
SpeechMailer.accept_notification_email(speech).deliver unless speech.accept_mail_sent?
- Read upRead up
Cognitive Complexity
Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.
A method's cognitive complexity is based on a few simple rules:
- Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
- Code is considered more complex for each "break in the linear flow of the code"
- Code is considered more complex when "flow breaking structures are nested"
Further reading
Function init
has 30 lines of code (exceeds 25 allowed). Consider refactoring. Open
init: function (options) {
// the dropdown
$(options.dropdown).one("shown.bs.dropdown", coreDropdown);
// core dropdown function
Function createDropArea
has 29 lines of code (exceeds 25 allowed). Consider refactoring. Open
function createDropArea(scheduler) {
scheduler.view().content.kendoDropTargetArea({
filter: ".k-scheduler-table td, .k-event",
drop: function (e) {
var view = scheduler.view();
Function toNumber
has 29 lines of code (exceeds 25 allowed). Consider refactoring. Open
I18n.toNumber = function(number, options) {
options = this.prepareOptions(
options
, this.lookup("number.format")
, NUMBER_FORMAT
Function toHumanSize
has 27 lines of code (exceeds 25 allowed). Consider refactoring. Open
I18n.toHumanSize = function(number, options) {
var kb = 1024
, size = number
, iterations = 0
, unit
Method call
has 27 lines of code (exceeds 25 allowed). Consider refactoring. Open
def call(speaker_form)
@speaker_form = speaker_form
@user = @speaker_form.user
Function coreDropdown
has 27 lines of code (exceeds 25 allowed). Consider refactoring. Open
function coreDropdown (e) {
// define variable
var $target = $(e.target),
$mediaList = $target.find(".media-list"),
$indicator = $target.find(".indicator");
Function onTouchStart
has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring. Open
function FastClick(t,e){"use strict";function i(t,e){return function(){return t.apply(e,arguments)}}var n;if(e=e||{},this.trackingClick=!1,this.trackingClickStart=0,this.targetElement=null,this.touchStartX=0,this.touchStartY=0,this.lastTouchIdentifier=0,this.touchBoundary=e.touchBoundary||10,this.layer=t,this.tapDelay=e.tapDelay||200,!FastClick.notNeeded(t)){for(var o=["onMouse","onClick","onTouchStart","onTouchMove","onTouchEnd","onTouchCancel"],s=this,r=0,c=o.length;c>r;r++)s[o[r]]=i(s[o[r]],s);deviceIsAndroid&&(t.addEventListener("mouseover",this.onMouse,!0),t.addEventListener("mousedown",this.onMouse,!0),t.addEventListener("mouseup",this.onMouse,!0)),t.addEventListener("click",this.onClick,!0),t.addEventListener("touchstart",this.onTouchStart,!1),t.addEventListener("touchmove",this.onTouchMove,!1),t.addEventListener("touchend",this.onTouchEnd,!1),t.addEventListener("touchcancel",this.onTouchCancel,!1),Event.prototype.stopImmediatePropagation||(t.removeEventListener=function(e,i,n){var o=Node.prototype.removeEventListener;"click"===e?o.call(t,e,i.hijacked||i,n):o.call(t,e,i,n)},t.addEventListener=function(e,i,n){var o=Node.prototype.addEventListener;"click"===e?o.call(t,e,i.hijacked||(i.hijacked=function(t){t.propagationStopped||i(t)}),n):o.call(t,e,i,n)}),"function"==typeof t.onclick&&(n=t.onclick,t.addEventListener("click",function(t){n(t)},!1),t.onclick=null)}}var deviceIsAndroid=navigator.userAgent.indexOf("Android")>0,deviceIsIOS=/iP(ad|hone|od)/.test(navigator.userAgent),deviceIsIOS4=deviceIsIOS&&/OS 4_\d(_\d)?/.test(navigator.userAgent),deviceIsIOSWithBadTarget=deviceIsIOS&&/OS ([6-9]|\d{2})_\d/.test(navigator.userAgent);FastClick.prototype.needsClick=function(t){"use strict";switch(t.nodeName.toLowerCase()){case"button":case"select":case"textarea":if(t.disabled)return!0;break;case"input":if(deviceIsIOS&&"file"===t.type||t.disabled)return!0;break;case"label":case"video":return!0}return/\bneedsclick\b/.test(t.className)},FastClick.prototype.needsFocus=function(t){"use strict";switch(t.nodeName.toLowerCase()){case"textarea":return!0;case"select":return!deviceIsAndroid;case"input":switch(t.type){case"button":case"checkbox":case"file":case"image":case"radio":case"submit":return!1}return!t.disabled&&!t.readOnly;default:return/\bneedsfocus\b/.test(t.className)}},FastClick.prototype.sendClick=function(t,e){"use strict";var i,n;document.activeElement&&document.activeElement!==t&&document.activeElement.blur(),n=e.changedTouches[0],i=document.createEvent("MouseEvents"),i.initMouseEvent(this.determineEventType(t),!0,!0,window,1,n.screenX,n.screenY,n.clientX,n.clientY,!1,!1,!1,!1,0,null),i.forwardedTouchEvent=!0,t.dispatchEvent(i)},FastClick.prototype.determineEventType=function(t){"use strict";return deviceIsAndroid&&"select"===t.tagName.toLowerCase()?"mousedown":"click"},FastClick.prototype.focus=function(t){"use strict";var e;deviceIsIOS&&t.setSelectionRange&&0!==t.type.indexOf("date")&&"time"!==t.type?(e=t.value.length,t.setSelectionRange(e,e)):t.focus()},FastClick.prototype.updateScrollParent=function(t){"use strict";var e,i;if(e=t.fastClickScrollParent,!e||!e.contains(t)){i=t;do{if(i.scrollHeight>i.offsetHeight){e=i,t.fastClickScrollParent=i;break}i=i.parentElement}while(i)}e&&(e.fastClickLastScrollTop=e.scrollTop)},FastClick.prototype.getTargetElementFromEventTarget=function(t){"use strict";return t.nodeType===Node.TEXT_NODE?t.parentNode:t},FastClick.prototype.onTouchStart=function(t){"use strict";var e,i,n;if(t.targetTouches.length>1)return!0;if(e=this.getTargetElementFromEventTarget(t.target),i=t.targetTouches[0],deviceIsIOS){if(n=window.getSelection(),n.rangeCount&&!n.isCollapsed)return!0;if(!deviceIsIOS4){if(i.identifier===this.lastTouchIdentifier)return t.preventDefault(),!1;this.lastTouchIdentifier=i.identifier,this.updateScrollParent(e)}}return this.trackingClick=!0,this.trackingClickStart=t.timeStamp,this.targetElement=e,this.touchStartX=i.pageX,this.touchStartY=i.pageY,t.timeStamp-this.lastClickTime<this.tapDelay&&t.preventDefault(),!0},FastClick.prototype.touchHasMoved=function(t){"use strict";var e=t.changedTouches[0],i=this.touchBoundary;return Math.abs(e.pageX-this.touchStartX)>i||Math.abs(e.pageY-this.touchStartY)>i?!0:!1},FastClick.prototype.onTouchMove=function(t){"use strict";return this.trackingClick?((this.targetElement!==this.getTargetElementFromEventTarget(t.target)||this.touchHasMoved(t))&&(this.trackingClick=!1,this.targetElement=null),!0):!0},FastClick.prototype.findControl=function(t){"use strict";return void 0!==t.control?t.control:t.htmlFor?document.getElementById(t.htmlFor):t.querySelector("button, input:not([type=hidden]), keygen, meter, output, progress, select, textarea")},FastClick.prototype.onTouchEnd=function(t){"use strict";var e,i,n,o,s,r=this.targetElement;if(!this.trackingClick)return!0;if(t.timeStamp-this.lastClickTime<this.tapDelay)return this.cancelNextClick=!0,!0;if(this.cancelNextClick=!1,this.lastClickTime=t.timeStamp,i=this.trackingClickStart,this.trackingClick=!1,this.trackingClickStart=0,deviceIsIOSWithBadTarget&&(s=t.changedTouches[0],r=document.elementFromPoint(s.pageX-window.pageXOffset,s.pageY-window.pageYOffset)||r,r.fastClickScrollParent=this.targetElement.fastClickScrollParent),n=r.tagName.toLowerCase(),"label"===n){if(e=this.findControl(r)){if(this.focus(r),deviceIsAndroid)return!1;r=e}}else if(this.needsFocus(r))return t.timeStamp-i>100||deviceIsIOS&&window.top!==window&&"input"===n?(this.targetElement=null,!1):(this.focus(r),this.sendClick(r,t),deviceIsIOS&&"select"===n||(this.targetElement=null,t.preventDefault()),!1);return deviceIsIOS&&!deviceIsIOS4&&(o=r.fastClickScrollParent,o&&o.fastClickLastScrollTop!==o.scrollTop)?!0:(this.needsClick(r)||(t.preventDefault(),this.sendClick(r,t)),!1)},FastClick.prototype.onTouchCancel=function(){"use strict";this.trackingClick=!1,this.targetElement=null},FastClick.prototype.onMouse=function(t){"use strict";return this.targetElement?t.forwardedTouchEvent?!0:t.cancelable?!this.needsClick(this.targetElement)||this.cancelNextClick?(t.stopImmediatePropagation?t.stopImmediatePropagation():t.propagationStopped=!0,t.stopPropagation(),t.preventDefault(),!1):!0:!0:!0},FastClick.prototype.onClick=function(t){"use strict";var e;return this.trackingClick?(this.targetElement=null,this.trackingClick=!1,!0):"submit"===t.target.type&&0===t.detail?!0:(e=this.onMouse(t),e||(this.targetElement=null),e)},FastClick.prototype.destroy=function(){"use strict";var t=this.layer;deviceIsAndroid&&(t.removeEventListener("mouseover",this.onMouse,!0),t.removeEventListener("mousedown",this.onMouse,!0),t.removeEventListener("mouseup",this.onMouse,!0)),t.removeEventListener("click",this.onClick,!0),t.removeEventListener("touchstart",this.onTouchStart,!1),t.removeEventListener("touchmove",this.onTouchMove,!1),t.removeEventListener("touchend",this.onTouchEnd,!1),t.removeEventListener("touchcancel",this.onTouchCancel,!1)},FastClick.notNeeded=function(t){"use strict";var e,i;if("undefined"==typeof window.ontouchstart)return!0;if(i=+(/Chrome\/([0-9]+)/.exec(navigator.userAgent)||[,0])[1]){if(!deviceIsAndroid)return!0;if(e=document.querySelector("meta[name=viewport]")){if(-1!==e.content.indexOf("user-scalable=no"))return!0;if(i>31&&document.documentElement.scrollWidth<=window.outerWidth)return!0}}return"none"===t.style.msTouchAction?!0:!1},FastClick.attach=function(t,e){"use strict";return new FastClick(t,e)},"undefined"!=typeof define&&define.amd?define(function(){"use strict";return FastClick}):"undefined"!=typeof module&&module.exports?(module.exports=FastClick.attach,module.exports.FastClick=FastClick):window.FastClick=FastClick;
- Read upRead up
Cognitive Complexity
Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.
A method's cognitive complexity is based on a few simple rules:
- Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
- Code is considered more complex for each "break in the linear flow of the code"
- Code is considered more complex when "flow breaking structures are nested"
Further reading
Method call
has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring. Open
def call(speaker_form)
@speaker_form = speaker_form
@user = @speaker_form.user
- Read upRead up
Cognitive Complexity
Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.
A method's cognitive complexity is based on a few simple rules:
- Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
- Code is considered more complex for each "break in the linear flow of the code"
- Code is considered more complex when "flow breaking structures are nested"
Further reading
Avoid deeply nested control flow statements. Open
if($(target)[0].getBoundingClientRect().bottom >= Response.viewportH()) {
$(target).css("top", "-"+($(target)[0].getBoundingClientRect().bottom-Response.viewportH()+2)+"px");
}
Avoid deeply nested control flow statements. Open
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Avoid deeply nested control flow statements. Open
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Function updateScrollParent
has a Cognitive Complexity of 8 (exceeds 5 allowed). Consider refactoring. Open
function FastClick(t,e){"use strict";function i(t,e){return function(){return t.apply(e,arguments)}}var n;if(e=e||{},this.trackingClick=!1,this.trackingClickStart=0,this.targetElement=null,this.touchStartX=0,this.touchStartY=0,this.lastTouchIdentifier=0,this.touchBoundary=e.touchBoundary||10,this.layer=t,this.tapDelay=e.tapDelay||200,!FastClick.notNeeded(t)){for(var o=["onMouse","onClick","onTouchStart","onTouchMove","onTouchEnd","onTouchCancel"],s=this,r=0,c=o.length;c>r;r++)s[o[r]]=i(s[o[r]],s);deviceIsAndroid&&(t.addEventListener("mouseover",this.onMouse,!0),t.addEventListener("mousedown",this.onMouse,!0),t.addEventListener("mouseup",this.onMouse,!0)),t.addEventListener("click",this.onClick,!0),t.addEventListener("touchstart",this.onTouchStart,!1),t.addEventListener("touchmove",this.onTouchMove,!1),t.addEventListener("touchend",this.onTouchEnd,!1),t.addEventListener("touchcancel",this.onTouchCancel,!1),Event.prototype.stopImmediatePropagation||(t.removeEventListener=function(e,i,n){var o=Node.prototype.removeEventListener;"click"===e?o.call(t,e,i.hijacked||i,n):o.call(t,e,i,n)},t.addEventListener=function(e,i,n){var o=Node.prototype.addEventListener;"click"===e?o.call(t,e,i.hijacked||(i.hijacked=function(t){t.propagationStopped||i(t)}),n):o.call(t,e,i,n)}),"function"==typeof t.onclick&&(n=t.onclick,t.addEventListener("click",function(t){n(t)},!1),t.onclick=null)}}var deviceIsAndroid=navigator.userAgent.indexOf("Android")>0,deviceIsIOS=/iP(ad|hone|od)/.test(navigator.userAgent),deviceIsIOS4=deviceIsIOS&&/OS 4_\d(_\d)?/.test(navigator.userAgent),deviceIsIOSWithBadTarget=deviceIsIOS&&/OS ([6-9]|\d{2})_\d/.test(navigator.userAgent);FastClick.prototype.needsClick=function(t){"use strict";switch(t.nodeName.toLowerCase()){case"button":case"select":case"textarea":if(t.disabled)return!0;break;case"input":if(deviceIsIOS&&"file"===t.type||t.disabled)return!0;break;case"label":case"video":return!0}return/\bneedsclick\b/.test(t.className)},FastClick.prototype.needsFocus=function(t){"use strict";switch(t.nodeName.toLowerCase()){case"textarea":return!0;case"select":return!deviceIsAndroid;case"input":switch(t.type){case"button":case"checkbox":case"file":case"image":case"radio":case"submit":return!1}return!t.disabled&&!t.readOnly;default:return/\bneedsfocus\b/.test(t.className)}},FastClick.prototype.sendClick=function(t,e){"use strict";var i,n;document.activeElement&&document.activeElement!==t&&document.activeElement.blur(),n=e.changedTouches[0],i=document.createEvent("MouseEvents"),i.initMouseEvent(this.determineEventType(t),!0,!0,window,1,n.screenX,n.screenY,n.clientX,n.clientY,!1,!1,!1,!1,0,null),i.forwardedTouchEvent=!0,t.dispatchEvent(i)},FastClick.prototype.determineEventType=function(t){"use strict";return deviceIsAndroid&&"select"===t.tagName.toLowerCase()?"mousedown":"click"},FastClick.prototype.focus=function(t){"use strict";var e;deviceIsIOS&&t.setSelectionRange&&0!==t.type.indexOf("date")&&"time"!==t.type?(e=t.value.length,t.setSelectionRange(e,e)):t.focus()},FastClick.prototype.updateScrollParent=function(t){"use strict";var e,i;if(e=t.fastClickScrollParent,!e||!e.contains(t)){i=t;do{if(i.scrollHeight>i.offsetHeight){e=i,t.fastClickScrollParent=i;break}i=i.parentElement}while(i)}e&&(e.fastClickLastScrollTop=e.scrollTop)},FastClick.prototype.getTargetElementFromEventTarget=function(t){"use strict";return t.nodeType===Node.TEXT_NODE?t.parentNode:t},FastClick.prototype.onTouchStart=function(t){"use strict";var e,i,n;if(t.targetTouches.length>1)return!0;if(e=this.getTargetElementFromEventTarget(t.target),i=t.targetTouches[0],deviceIsIOS){if(n=window.getSelection(),n.rangeCount&&!n.isCollapsed)return!0;if(!deviceIsIOS4){if(i.identifier===this.lastTouchIdentifier)return t.preventDefault(),!1;this.lastTouchIdentifier=i.identifier,this.updateScrollParent(e)}}return this.trackingClick=!0,this.trackingClickStart=t.timeStamp,this.targetElement=e,this.touchStartX=i.pageX,this.touchStartY=i.pageY,t.timeStamp-this.lastClickTime<this.tapDelay&&t.preventDefault(),!0},FastClick.prototype.touchHasMoved=function(t){"use strict";var e=t.changedTouches[0],i=this.touchBoundary;return Math.abs(e.pageX-this.touchStartX)>i||Math.abs(e.pageY-this.touchStartY)>i?!0:!1},FastClick.prototype.onTouchMove=function(t){"use strict";return this.trackingClick?((this.targetElement!==this.getTargetElementFromEventTarget(t.target)||this.touchHasMoved(t))&&(this.trackingClick=!1,this.targetElement=null),!0):!0},FastClick.prototype.findControl=function(t){"use strict";return void 0!==t.control?t.control:t.htmlFor?document.getElementById(t.htmlFor):t.querySelector("button, input:not([type=hidden]), keygen, meter, output, progress, select, textarea")},FastClick.prototype.onTouchEnd=function(t){"use strict";var e,i,n,o,s,r=this.targetElement;if(!this.trackingClick)return!0;if(t.timeStamp-this.lastClickTime<this.tapDelay)return this.cancelNextClick=!0,!0;if(this.cancelNextClick=!1,this.lastClickTime=t.timeStamp,i=this.trackingClickStart,this.trackingClick=!1,this.trackingClickStart=0,deviceIsIOSWithBadTarget&&(s=t.changedTouches[0],r=document.elementFromPoint(s.pageX-window.pageXOffset,s.pageY-window.pageYOffset)||r,r.fastClickScrollParent=this.targetElement.fastClickScrollParent),n=r.tagName.toLowerCase(),"label"===n){if(e=this.findControl(r)){if(this.focus(r),deviceIsAndroid)return!1;r=e}}else if(this.needsFocus(r))return t.timeStamp-i>100||deviceIsIOS&&window.top!==window&&"input"===n?(this.targetElement=null,!1):(this.focus(r),this.sendClick(r,t),deviceIsIOS&&"select"===n||(this.targetElement=null,t.preventDefault()),!1);return deviceIsIOS&&!deviceIsIOS4&&(o=r.fastClickScrollParent,o&&o.fastClickLastScrollTop!==o.scrollTop)?!0:(this.needsClick(r)||(t.preventDefault(),this.sendClick(r,t)),!1)},FastClick.prototype.onTouchCancel=function(){"use strict";this.trackingClick=!1,this.targetElement=null},FastClick.prototype.onMouse=function(t){"use strict";return this.targetElement?t.forwardedTouchEvent?!0:t.cancelable?!this.needsClick(this.targetElement)||this.cancelNextClick?(t.stopImmediatePropagation?t.stopImmediatePropagation():t.propagationStopped=!0,t.stopPropagation(),t.preventDefault(),!1):!0:!0:!0},FastClick.prototype.onClick=function(t){"use strict";var e;return this.trackingClick?(this.targetElement=null,this.trackingClick=!1,!0):"submit"===t.target.type&&0===t.detail?!0:(e=this.onMouse(t),e||(this.targetElement=null),e)},FastClick.prototype.destroy=function(){"use strict";var t=this.layer;deviceIsAndroid&&(t.removeEventListener("mouseover",this.onMouse,!0),t.removeEventListener("mousedown",this.onMouse,!0),t.removeEventListener("mouseup",this.onMouse,!0)),t.removeEventListener("click",this.onClick,!0),t.removeEventListener("touchstart",this.onTouchStart,!1),t.removeEventListener("touchmove",this.onTouchMove,!1),t.removeEventListener("touchend",this.onTouchEnd,!1),t.removeEventListener("touchcancel",this.onTouchCancel,!1)},FastClick.notNeeded=function(t){"use strict";var e,i;if("undefined"==typeof window.ontouchstart)return!0;if(i=+(/Chrome\/([0-9]+)/.exec(navigator.userAgent)||[,0])[1]){if(!deviceIsAndroid)return!0;if(e=document.querySelector("meta[name=viewport]")){if(-1!==e.content.indexOf("user-scalable=no"))return!0;if(i>31&&document.documentElement.scrollWidth<=window.outerWidth)return!0}}return"none"===t.style.msTouchAction?!0:!1},FastClick.attach=function(t,e){"use strict";return new FastClick(t,e)},"undefined"!=typeof define&&define.amd?define(function(){"use strict";return FastClick}):"undefined"!=typeof module&&module.exports?(module.exports=FastClick.attach,module.exports.FastClick=FastClick):window.FastClick=FastClick;
- Read upRead up
Cognitive Complexity
Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.
A method's cognitive complexity is based on a few simple rules:
- Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
- Code is considered more complex for each "break in the linear flow of the code"
- Code is considered more complex when "flow breaking structures are nested"
Further reading
Avoid deeply nested control flow statements. Open
if($this.parent().hasClass("hover")) {
// remove hover class and clear the `top` css attr val
$this.parent().removeClass("hover");
$(target).css("top", "");
} else {
Consider simplifying this complex logical expression. Open
!function(e){jQuery.fn.extend({slimScroll:function(i){var o={width:"auto",height:"250px",size:"7px",color:"#000",position:"right",distance:"1px",start:"top",opacity:.4,alwaysVisible:!1,disableFadeOut:!1,railVisible:!1,railColor:"#333",railOpacity:.2,railDraggable:!0,railClass:"slimScrollRail",barClass:"slimScrollBar",wrapperClass:"slimScrollDiv",allowPageScroll:!1,wheelStep:20,touchScrollStep:200,borderRadius:"7px",railBorderRadius:"7px"},r=e.extend(o,i);return this.each(function(){function o(t){if(h){var t=t||window.event,i=0;t.wheelDelta&&(i=-t.wheelDelta/120),t.detail&&(i=t.detail/3);var o=t.target||t.srcTarget||t.srcElement;e(o).closest("."+r.wrapperClass).is(x.parent())&&s(i,!0),t.preventDefault&&!y&&t.preventDefault(),y||(t.returnValue=!1)}}function s(e,t,i){y=!1;var o=e,s=x.outerHeight()-R.outerHeight();if(t&&(o=parseInt(R.css("top"))+e*parseInt(r.wheelStep)/100*R.outerHeight(),o=Math.min(Math.max(o,0),s),o=e>0?Math.ceil(o):Math.floor(o),R.css({top:o+"px"})),v=parseInt(R.css("top"))/(x.outerHeight()-R.outerHeight()),o=v*(x[0].scrollHeight-x.outerHeight()),i){o=e;var a=o/x[0].scrollHeight*x.outerHeight();a=Math.min(Math.max(a,0),s),R.css({top:a+"px"})}x.scrollTop(o),x.trigger("slimscrolling",~~o),n(),c()}function a(){window.addEventListener?(this.addEventListener("DOMMouseScroll",o,!1),this.addEventListener("mousewheel",o,!1)):document.attachEvent("onmousewheel",o)}function l(){f=Math.max(x.outerHeight()/x[0].scrollHeight*x.outerHeight(),m),R.css({height:f+"px"});var e=f==x.outerHeight()?"none":"block";R.css({display:e})}function n(){if(l(),clearTimeout(p),v==~~v){if(y=r.allowPageScroll,b!=v){var e=0==~~v?"top":"bottom";x.trigger("slimscroll",e)}}else y=!1;return b=v,f>=x.outerHeight()?void(y=!0):(R.stop(!0,!0).fadeIn("fast"),void(r.railVisible&&E.stop(!0,!0).fadeIn("fast")))}function c(){r.alwaysVisible||(p=setTimeout(function(){r.disableFadeOut&&h||u||d||(R.fadeOut("slow"),E.fadeOut("slow"))},1e3))}var h,u,d,p,g,f,v,b,w="<div></div>",m=30,y=!1,x=e(this);if(x.parent().hasClass(r.wrapperClass)){var C=x.scrollTop();if(R=x.parent().find("."+r.barClass),E=x.parent().find("."+r.railClass),l(),e.isPlainObject(i)){if("height"in i&&"auto"==i.height){x.parent().css("height","auto"),x.css("height","auto");var H=x.parent().parent().height();x.parent().css("height",H),x.css("height",H)}if("scrollTo"in i)C=parseInt(r.scrollTo);else if("scrollBy"in i)C+=parseInt(r.scrollBy);else if("destroy"in i)return R.remove(),E.remove(),void x.unwrap();s(C,!1,!0)}}else{r.height="auto"==i.height?x.parent().height():i.height;var S=e(w).addClass(r.wrapperClass).css({position:"relative",overflow:"hidden",width:r.width,height:r.height});x.css({overflow:"hidden",width:r.width,height:r.height});var E=e(w).addClass(r.railClass).css({width:r.size,height:"100%",position:"absolute",top:0,display:r.alwaysVisible&&r.railVisible?"block":"none","border-radius":r.railBorderRadius,background:r.railColor,opacity:r.railOpacity,zIndex:90}),R=e(w).addClass(r.barClass).css({background:r.color,width:r.size,position:"absolute",top:0,opacity:r.opacity,display:r.alwaysVisible?"block":"none","border-radius":r.borderRadius,BorderRadius:r.borderRadius,MozBorderRadius:r.borderRadius,WebkitBorderRadius:r.borderRadius,zIndex:99}),D="right"==r.position?{right:r.distance}:{left:r.distance};E.css(D),R.css(D),x.wrap(S),x.parent().append(R),x.parent().append(E),r.railDraggable&&R.bind("mousedown",function(i){var o=e(document);return d=!0,t=parseFloat(R.css("top")),pageY=i.pageY,o.bind("mousemove.slimscroll",function(e){currTop=t+e.pageY-pageY,R.css("top",currTop),s(0,R.position().top,!1)}),o.bind("mouseup.slimscroll",function(){d=!1,c(),o.unbind(".slimscroll")}),!1}).bind("selectstart.slimscroll",function(e){return e.stopPropagation(),e.preventDefault(),!1}),E.hover(function(){n()},function(){c()}),R.hover(function(){u=!0},function(){u=!1}),x.hover(function(){h=!0,n(),c()},function(){h=!1,c()}),x.bind("touchstart",function(e){e.originalEvent.touches.length&&(g=e.originalEvent.touches[0].pageY)}),x.bind("touchmove",function(e){if(y||e.originalEvent.preventDefault(),e.originalEvent.touches.length){var t=(g-e.originalEvent.touches[0].pageY)/r.touchScrollStep;s(t,!0),g=e.originalEvent.touches[0].pageY}}),l(),"bottom"===r.start?(R.css({top:x.outerHeight()-R.outerHeight()}),s(0,!0)):"top"!==r.start&&(s(e(r.start).position().top,null,!0),r.alwaysVisible||R.hide()),a()}}),this}}),jQuery.fn.extend({slimscroll:jQuery.fn.slimScroll})}(jQuery);
Consider simplifying this complex logical expression. Open
function FastClick(t,e){"use strict";function i(t,e){return function(){return t.apply(e,arguments)}}var n;if(e=e||{},this.trackingClick=!1,this.trackingClickStart=0,this.targetElement=null,this.touchStartX=0,this.touchStartY=0,this.lastTouchIdentifier=0,this.touchBoundary=e.touchBoundary||10,this.layer=t,this.tapDelay=e.tapDelay||200,!FastClick.notNeeded(t)){for(var o=["onMouse","onClick","onTouchStart","onTouchMove","onTouchEnd","onTouchCancel"],s=this,r=0,c=o.length;c>r;r++)s[o[r]]=i(s[o[r]],s);deviceIsAndroid&&(t.addEventListener("mouseover",this.onMouse,!0),t.addEventListener("mousedown",this.onMouse,!0),t.addEventListener("mouseup",this.onMouse,!0)),t.addEventListener("click",this.onClick,!0),t.addEventListener("touchstart",this.onTouchStart,!1),t.addEventListener("touchmove",this.onTouchMove,!1),t.addEventListener("touchend",this.onTouchEnd,!1),t.addEventListener("touchcancel",this.onTouchCancel,!1),Event.prototype.stopImmediatePropagation||(t.removeEventListener=function(e,i,n){var o=Node.prototype.removeEventListener;"click"===e?o.call(t,e,i.hijacked||i,n):o.call(t,e,i,n)},t.addEventListener=function(e,i,n){var o=Node.prototype.addEventListener;"click"===e?o.call(t,e,i.hijacked||(i.hijacked=function(t){t.propagationStopped||i(t)}),n):o.call(t,e,i,n)}),"function"==typeof t.onclick&&(n=t.onclick,t.addEventListener("click",function(t){n(t)},!1),t.onclick=null)}}var deviceIsAndroid=navigator.userAgent.indexOf("Android")>0,deviceIsIOS=/iP(ad|hone|od)/.test(navigator.userAgent),deviceIsIOS4=deviceIsIOS&&/OS 4_\d(_\d)?/.test(navigator.userAgent),deviceIsIOSWithBadTarget=deviceIsIOS&&/OS ([6-9]|\d{2})_\d/.test(navigator.userAgent);FastClick.prototype.needsClick=function(t){"use strict";switch(t.nodeName.toLowerCase()){case"button":case"select":case"textarea":if(t.disabled)return!0;break;case"input":if(deviceIsIOS&&"file"===t.type||t.disabled)return!0;break;case"label":case"video":return!0}return/\bneedsclick\b/.test(t.className)},FastClick.prototype.needsFocus=function(t){"use strict";switch(t.nodeName.toLowerCase()){case"textarea":return!0;case"select":return!deviceIsAndroid;case"input":switch(t.type){case"button":case"checkbox":case"file":case"image":case"radio":case"submit":return!1}return!t.disabled&&!t.readOnly;default:return/\bneedsfocus\b/.test(t.className)}},FastClick.prototype.sendClick=function(t,e){"use strict";var i,n;document.activeElement&&document.activeElement!==t&&document.activeElement.blur(),n=e.changedTouches[0],i=document.createEvent("MouseEvents"),i.initMouseEvent(this.determineEventType(t),!0,!0,window,1,n.screenX,n.screenY,n.clientX,n.clientY,!1,!1,!1,!1,0,null),i.forwardedTouchEvent=!0,t.dispatchEvent(i)},FastClick.prototype.determineEventType=function(t){"use strict";return deviceIsAndroid&&"select"===t.tagName.toLowerCase()?"mousedown":"click"},FastClick.prototype.focus=function(t){"use strict";var e;deviceIsIOS&&t.setSelectionRange&&0!==t.type.indexOf("date")&&"time"!==t.type?(e=t.value.length,t.setSelectionRange(e,e)):t.focus()},FastClick.prototype.updateScrollParent=function(t){"use strict";var e,i;if(e=t.fastClickScrollParent,!e||!e.contains(t)){i=t;do{if(i.scrollHeight>i.offsetHeight){e=i,t.fastClickScrollParent=i;break}i=i.parentElement}while(i)}e&&(e.fastClickLastScrollTop=e.scrollTop)},FastClick.prototype.getTargetElementFromEventTarget=function(t){"use strict";return t.nodeType===Node.TEXT_NODE?t.parentNode:t},FastClick.prototype.onTouchStart=function(t){"use strict";var e,i,n;if(t.targetTouches.length>1)return!0;if(e=this.getTargetElementFromEventTarget(t.target),i=t.targetTouches[0],deviceIsIOS){if(n=window.getSelection(),n.rangeCount&&!n.isCollapsed)return!0;if(!deviceIsIOS4){if(i.identifier===this.lastTouchIdentifier)return t.preventDefault(),!1;this.lastTouchIdentifier=i.identifier,this.updateScrollParent(e)}}return this.trackingClick=!0,this.trackingClickStart=t.timeStamp,this.targetElement=e,this.touchStartX=i.pageX,this.touchStartY=i.pageY,t.timeStamp-this.lastClickTime<this.tapDelay&&t.preventDefault(),!0},FastClick.prototype.touchHasMoved=function(t){"use strict";var e=t.changedTouches[0],i=this.touchBoundary;return Math.abs(e.pageX-this.touchStartX)>i||Math.abs(e.pageY-this.touchStartY)>i?!0:!1},FastClick.prototype.onTouchMove=function(t){"use strict";return this.trackingClick?((this.targetElement!==this.getTargetElementFromEventTarget(t.target)||this.touchHasMoved(t))&&(this.trackingClick=!1,this.targetElement=null),!0):!0},FastClick.prototype.findControl=function(t){"use strict";return void 0!==t.control?t.control:t.htmlFor?document.getElementById(t.htmlFor):t.querySelector("button, input:not([type=hidden]), keygen, meter, output, progress, select, textarea")},FastClick.prototype.onTouchEnd=function(t){"use strict";var e,i,n,o,s,r=this.targetElement;if(!this.trackingClick)return!0;if(t.timeStamp-this.lastClickTime<this.tapDelay)return this.cancelNextClick=!0,!0;if(this.cancelNextClick=!1,this.lastClickTime=t.timeStamp,i=this.trackingClickStart,this.trackingClick=!1,this.trackingClickStart=0,deviceIsIOSWithBadTarget&&(s=t.changedTouches[0],r=document.elementFromPoint(s.pageX-window.pageXOffset,s.pageY-window.pageYOffset)||r,r.fastClickScrollParent=this.targetElement.fastClickScrollParent),n=r.tagName.toLowerCase(),"label"===n){if(e=this.findControl(r)){if(this.focus(r),deviceIsAndroid)return!1;r=e}}else if(this.needsFocus(r))return t.timeStamp-i>100||deviceIsIOS&&window.top!==window&&"input"===n?(this.targetElement=null,!1):(this.focus(r),this.sendClick(r,t),deviceIsIOS&&"select"===n||(this.targetElement=null,t.preventDefault()),!1);return deviceIsIOS&&!deviceIsIOS4&&(o=r.fastClickScrollParent,o&&o.fastClickLastScrollTop!==o.scrollTop)?!0:(this.needsClick(r)||(t.preventDefault(),this.sendClick(r,t)),!1)},FastClick.prototype.onTouchCancel=function(){"use strict";this.trackingClick=!1,this.targetElement=null},FastClick.prototype.onMouse=function(t){"use strict";return this.targetElement?t.forwardedTouchEvent?!0:t.cancelable?!this.needsClick(this.targetElement)||this.cancelNextClick?(t.stopImmediatePropagation?t.stopImmediatePropagation():t.propagationStopped=!0,t.stopPropagation(),t.preventDefault(),!1):!0:!0:!0},FastClick.prototype.onClick=function(t){"use strict";var e;return this.trackingClick?(this.targetElement=null,this.trackingClick=!1,!0):"submit"===t.target.type&&0===t.detail?!0:(e=this.onMouse(t),e||(this.targetElement=null),e)},FastClick.prototype.destroy=function(){"use strict";var t=this.layer;deviceIsAndroid&&(t.removeEventListener("mouseover",this.onMouse,!0),t.removeEventListener("mousedown",this.onMouse,!0),t.removeEventListener("mouseup",this.onMouse,!0)),t.removeEventListener("click",this.onClick,!0),t.removeEventListener("touchstart",this.onTouchStart,!1),t.removeEventListener("touchmove",this.onTouchMove,!1),t.removeEventListener("touchend",this.onTouchEnd,!1),t.removeEventListener("touchcancel",this.onTouchCancel,!1)},FastClick.notNeeded=function(t){"use strict";var e,i;if("undefined"==typeof window.ontouchstart)return!0;if(i=+(/Chrome\/([0-9]+)/.exec(navigator.userAgent)||[,0])[1]){if(!deviceIsAndroid)return!0;if(e=document.querySelector("meta[name=viewport]")){if(-1!==e.content.indexOf("user-scalable=no"))return!0;if(i>31&&document.documentElement.scrollWidth<=window.outerWidth)return!0}}return"none"===t.style.msTouchAction?!0:!1},FastClick.attach=function(t,e){"use strict";return new FastClick(t,e)},"undefined"!=typeof define&&define.amd?define(function(){"use strict";return FastClick}):"undefined"!=typeof module&&module.exports?(module.exports=FastClick.attach,module.exports.FastClick=FastClick):window.FastClick=FastClick;