bootstrap3-typeahead.min.js

!function($){"use strict";var Typeahead=function(element,options){this.$element=$(element),this.options=$.extend({},$.fn.typeahead.defaults,options),this.matcher=this.options.matcher||this.matcher,this.sorter=this.options.sorter||this.sorter,this.select=this.options.select||this.select,this.autoSelect="boolean"==typeof this.options.autoSelect?this.options.autoSelect:!0,this.highlighter=this.options.highlighter||this.highlighter,this.updater=this.options.updater||this.updater,this.source=this.options.source,this.$menu=$(this.options.menu),this.shown=!1,this.listen(),this.showHintOnFocus="boolean"==typeof this.options.showHintOnFocus?this.options.showHintOnFocus:!1};Typeahead.prototype={constructor:Typeahead,select:function(){var val=this.$menu.find(".active").data("value");return(this.autoSelect||val)&&this.$element.val(this.updater(val)).change(),this.hide()},updater:function(item){return item},setSource:function(source){this.source=source},show:function(){var scrollHeight,pos=$.extend({},this.$element.position(),{height:this.$element[0].offsetHeight});return scrollHeight="function"==typeof this.options.scrollHeight?this.options.scrollHeight.call():this.options.scrollHeight,this.$menu.insertAfter(this.$element).css({top:pos.top+pos.height+scrollHeight,left:pos.left}).show(),this.shown=!0,this},hide:function(){return this.$menu.hide(),this.shown=!1,this},lookup:function(query){var items;return this.query="undefined"!=typeof query&&null!==query?query:this.$element.val()||"",this.query.length<this.options.minLength?this.shown?this.hide():this:(items=$.isFunction(this.source)?this.source(this.query,$.proxy(this.process,this)):this.source,items?this.process(items):this)},process:function(items){var that=this;return items=$.grep(items,function(item){return that.matcher(item)}),items=this.sorter(items),items.length?"all"==this.options.items||0===this.options.minLength&&!this.$element.val()?this.render(items).show():this.render(items.slice(0,this.options.items)).show():this.shown?this.hide():this},matcher:function(item){return~item.toLowerCase().indexOf(this.query.toLowerCase())},sorter:function(items){for(var item,beginswith=[],caseSensitive=[],caseInsensitive=[];item=items.shift();)item.toLowerCase().indexOf(this.query.toLowerCase())?~item.indexOf(this.query)?caseSensitive.push(item):caseInsensitive.push(item):beginswith.push(item);return beginswith.concat(caseSensitive,caseInsensitive)},highlighter:function(item){var query=this.query.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g,"\\$&");return item.replace(new RegExp("("+query+")","ig"),function($1,match){return"<strong>"+match+"</strong>"})},render:function(items){var that=this;return items=$(items).map(function(i,item){return i=$(that.options.item).data("value",item),i.find("a").html(that.highlighter(item)),i[0]}),this.autoSelect&&items.first().addClass("active"),this.$menu.html(items),this},next:function(){var active=this.$menu.find(".active").removeClass("active"),next=active.next();next.length||(next=$(this.$menu.find("li")[0])),next.addClass("active")},prev:function(){var active=this.$menu.find(".active").removeClass("active"),prev=active.prev();prev.length||(prev=this.$menu.find("li").last()),prev.addClass("active")},listen:function(){this.$element.on("focus",$.proxy(this.focus,this)).on("blur",$.proxy(this.blur,this)).on("keypress",$.proxy(this.keypress,this)).on("keyup",$.proxy(this.keyup,this)),this.eventSupported("keydown")&&this.$element.on("keydown",$.proxy(this.keydown,this)),this.$menu.on("click",$.proxy(this.click,this)).on("mouseenter","li",$.proxy(this.mouseenter,this)).on("mouseleave","li",$.proxy(this.mouseleave,this))},destroy:function(){this.$element.data("typeahead",null),this.$element.off("focus").off("blur").off("keypress").off("keyup"),this.eventSupported("keydown")&&this.$element.off("keydown"),this.$menu.remove()},eventSupported:function(eventName){var isSupported=eventName in this.$element;return isSupported||(this.$element.setAttribute(eventName,"return;"),isSupported="function"==typeof this.$element[eventName]),isSupported},move:function(e){if(this.shown){switch(e.keyCode){case 9:case 13:case 27:e.preventDefault();break;case 38:e.preventDefault(),this.prev();break;case 40:e.preventDefault(),this.next()}e.stopPropagation()}},keydown:function(e){this.suppressKeyPressRepeat=~$.inArray(e.keyCode,[40,38,9,13,27]),this.shown||40!=e.keyCode?this.move(e):this.lookup("")},keypress:function(e){this.suppressKeyPressRepeat||this.move(e)},keyup:function(e){switch(e.keyCode){case 40:case 38:case 16:case 17:case 18:break;case 9:case 13:if(!this.shown)return;this.select();break;case 27:if(!this.shown)return;this.hide();break;default:this.lookup()}e.stopPropagation(),e.preventDefault()},focus:function(){this.focused||(this.focused=!0,(0===this.options.minLength&&!this.$element.val()||this.options.showHintOnFocus)&&this.lookup())},blur:function(){this.focused=!1,!this.mousedover&&this.shown&&this.hide()},click:function(e){e.stopPropagation(),e.preventDefault(),this.select(),this.$element.focus()},mouseenter:function(e){this.mousedover=!0,this.$menu.find(".active").removeClass("active"),$(e.currentTarget).addClass("active")},mouseleave:function(){this.mousedover=!1,!this.focused&&this.shown&&this.hide()}};var old=$.fn.typeahead;$.fn.typeahead=function(option){var arg=arguments;return this.each(function(){var $this=$(this),data=$this.data("typeahead"),options="object"==typeof option&&option;data||$this.data("typeahead",data=new Typeahead(this,options)),"string"==typeof option&&(arg.length>1?data[option].apply(data,Array.prototype.slice.call(arg,1)):data[option]())})},$.fn.typeahead.defaults={source:[],items:8,menu:'<ul class="typeahead dropdown-menu"></ul>',item:'<li><a href="#"></a></li>',minLength:1,scrollHeight:0,autoSelect:!0},$.fn.typeahead.Constructor=Typeahead,$.fn.typeahead.noConflict=function(){return $.fn.typeahead=old,this},$(document).on("focus.typeahead.data-api",'[data-provide="typeahead"]',function(){var $this=$(this);$this.data("typeahead")||$this.typeahead($this.data())})}(window.jQuery);