mirror of https://github.com/searx/searx
9 lines
44 KiB
JavaScript
9 lines
44 KiB
JavaScript
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/*!
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* typeahead.js 1.3.1
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* https://github.com/corejavascript/typeahead.js
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* Copyright 2013-2020 Twitter, Inc. and other contributors; Licensed MIT
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*/
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!function(a,b){"function"==typeof define&&define.amd?define(["jquery"],function(c){return a.Bloodhound=b(c)}):"object"==typeof module&&module.exports?module.exports=b(require("jquery")):a.Bloodhound=b(a.jQuery)}(this,function(a){var b=function(){"use strict";return{isMsie:function(){return!!/(msie|trident)/i.test(navigator.userAgent)&&navigator.userAgent.match(/(msie |rv:)(\d+(.\d+)?)/i)[2]},isBlankString:function(a){return!a||/^\s*$/.test(a)},escapeRegExChars:function(a){return a.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g,"\\$&")},isString:function(a){return"string"==typeof a},isNumber:function(a){return"number"==typeof a},isArray:a.isArray,isFunction:a.isFunction,isObject:a.isPlainObject,isUndefined:function(a){return void 0===a},isElement:function(a){return!(!a||1!==a.nodeType)},isJQuery:function(b){return b instanceof a},toStr:function(a){return b.isUndefined(a)||null===a?"":a+""},bind:a.proxy,each:function(b,c){function d(a,b){return c(b,a)}a.each(b,d)},map:a.map,filter:a.grep,every:function(b,c){var d=!0;return b?(a.each(b,function(a,e){if(!(d=c.call(null,e,a,b)))return!1}),!!d):d},some:function(b,c){var d=!1;return b?(a.each(b,function(a,e){if(d=c.call(null,e,a,b))return!1}),!!d):d},mixin:a.extend,identity:function(a){return a},clone:function(b){return a.extend(!0,{},b)},getIdGenerator:function(){var a=0;return function(){return a++}},templatify:function(b){function c(){return String(b)}return a.isFunction(b)?b:c},defer:function(a){setTimeout(a,0)},debounce:function(a,b,c){var d,e;return function(){var f,g,h=this,i=arguments;return f=function(){d=null,c||(e=a.apply(h,i))},g=c&&!d,clearTimeout(d),d=setTimeout(f,b),g&&(e=a.apply(h,i)),e}},throttle:function(a,b){var c,d,e,f,g,h;return g=0,h=function(){g=new Date,e=null,f=a.apply(c,d)},function(){var i=new Date,j=b-(i-g);return c=this,d=arguments,j<=0?(clearTimeout(e),e=null,g=i,f=a.apply(c,d)):e||(e=setTimeout(h,j)),f}},stringify:function(a){return b.isString(a)?a:JSON.stringify(a)},guid:function(){function a(a){var b=(Math.random().toString(16)+"000000000").substr(2,8);return a?"-"+b.substr(0,4)+"-"+b.substr(4,4):b}return"tt-"+a()+a(!0)+a(!0)+a()},noop:function(){}}}(),c="1.3.1",d=function(){"use strict";function a(a){return a=b.toStr(a),a?a.split(/\s+/):[]}function c(a){return a=b.toStr(a),a?a.split(/\W+/):[]}function d(a){a=b.toStr(a);var c=[],d="";return b.each(a.split(""),function(a){a.match(/\s+/)?d="":(c.push(d+a),d+=a)}),c}function e(a){return function(c){return c=b.isArray(c)?c:[].slice.call(arguments,0),function(d){var e=[];return b.each(c,function(c){e=e.concat(a(b.toStr(d[c])))}),e}}}return{nonword:c,whitespace:a,ngram:d,obj:{nonword:e(c),whitespace:e(a),ngram:e(d)}}}(),e=function(){"use strict";function c(c){this.maxSize=b.isNumber(c)?c:100,this.reset(),this.maxSize<=0&&(this.set=this.get=a.noop)}function d(){this.head=this.tail=null}function e(a,b){this.key=a,this.val=b,this.prev=this.next=null}return b.mixin(c.prototype,{set:function(a,b){var c,d=this.list.tail;this.size>=this.maxSize&&(this.list.remove(d),delete this.hash[d.key],this.size--),(c=this.hash[a])?(c.val=b,this.list.moveToFront(c)):(c=new e(a,b),this.list.add(c),this.hash[a]=c,this.size++)},get:function(a){var b=this.hash[a];if(b)return this.list.moveToFront(b),b.val},reset:function(){this.size=0,this.hash={},this.list=new d}}),b.mixin(d.prototype,{add:function(a){this.head&&(a.next=this.head,this.head.prev=a),this.head=a,this.tail=this.tail||a},remove:function(a){a.prev?a.prev.next=a.next:this.head=a.next,a.next?a.next.prev=a.prev:this.tail=a.prev},moveToFront:function(a){this.remove(a),this.add(a)}}),c}(),f=function(){"use strict";function c(a,c){this.prefix=["__",a,"__"].join(""),this.ttlKey="__ttl__",this.keyMatcher=new RegExp("^"+b.escapeRegExChars(this.prefix)),this.ls=c||h,!this.ls&&this._noop()}function d(){return(new Date).getTime()}function e(a){return JSON.stringify(b.isUndefined(a)?null:a)}function f(b){return a.parseJSON(b)}function g(a){var b,c,d=[],e=h.length;for(b=0;b<e;b++)(c=h.key(b)).match(a)&&d.push(c.replace(a,""));return d}var h;try{h=window.localStorage,h.setItem(
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this.$node.addClass(this.classes.empty)},destroy:function(){function c(a){a.destroy()}this.$node.off(".tt"),this.$node=a("<div>"),b.each(this.datasets,c)}}),c}(),j=function(){"use strict";function c(c){this.$el=a("<span></span>",{role:"status","aria-live":"polite"}).css({position:"absolute",padding:"0",border:"0",height:"1px",width:"1px","margin-bottom":"-1px","margin-right":"-1px",overflow:"hidden",clip:"rect(0 0 0 0)","white-space":"nowrap"}),c.$input.after(this.$el),b.each(c.menu.datasets,b.bind(function(a){a.onSync&&(a.onSync("rendered",b.bind(this.update,this)),a.onSync("cleared",b.bind(this.cleared,this)))},this))}return b.mixin(c.prototype,{update:function(a,b){var c,d=b.length;c=1===d?{result:"result",is:"is"}:{result:"results",is:"are"},this.$el.text(d+" "+c.result+" "+c.is+" available, use up and down arrow keys to navigate.")},cleared:function(){this.$el.text("")}}),c}(),k=function(){"use strict";function a(){i.apply(this,[].slice.call(arguments,0))}var c=i.prototype;return b.mixin(a.prototype,i.prototype,{open:function(){return!this._allDatasetsEmpty()&&this._show(),c.open.apply(this,[].slice.call(arguments,0))},close:function(){return this._hide(),c.close.apply(this,[].slice.call(arguments,0))},_onRendered:function(){return this._allDatasetsEmpty()?this._hide():this.isOpen()&&this._show(),c._onRendered.apply(this,[].slice.call(arguments,0))},_onCleared:function(){return this._allDatasetsEmpty()?this._hide():this.isOpen()&&this._show(),c._onCleared.apply(this,[].slice.call(arguments,0))},setLanguageDirection:function(a){return this.$node.css("ltr"===a?this.css.ltr:this.css.rtl),c.setLanguageDirection.apply(this,[].slice.call(arguments,0))},_hide:function(){this.$node.hide()},_show:function(){this.$node.css("display","block")}}),a}(),l=function(){"use strict";function c(c,e){var f,g,h,i,j,k,l,m,n,o,p;c=c||{},c.input||a.error("missing input"),c.menu||a.error("missing menu"),c.eventBus||a.error("missing event bus"),e.mixin(this),this.eventBus=c.eventBus,this.minLength=b.isNumber(c.minLength)?c.minLength:1,this.input=c.input,this.menu=c.menu,this.enabled=!0,this.autoselect=!!c.autoselect,this.active=!1,this.input.hasFocus()&&this.activate(),this.dir=this.input.getLangDir(),this._hacks(),this.menu.bind().onSync("selectableClicked",this._onSelectableClicked,this).onSync("asyncRequested",this._onAsyncRequested,this).onSync("asyncCanceled",this._onAsyncCanceled,this).onSync("asyncReceived",this._onAsyncReceived,this).onSync("datasetRendered",this._onDatasetRendered,this).onSync("datasetCleared",this._onDatasetCleared,this),f=d(this,"activate","open","_onFocused"),g=d(this,"deactivate","_onBlurred"),h=d(this,"isActive","isOpen","_onEnterKeyed"),i=d(this,"isActive","isOpen","_onTabKeyed"),j=d(this,"isActive","_onEscKeyed"),k=d(this,"isActive","open","_onUpKeyed"),l=d(this,"isActive","open","_onDownKeyed"),m=d(this,"isActive","isOpen","_onLeftKeyed"),n=d(this,"isActive","isOpen","_onRightKeyed"),o=d(this,"_openIfActive","_onQueryChanged"),p=d(this,"_openIfActive","_onWhitespaceChanged"),this.input.bind().onSync("focused",f,this).onSync("blurred",g,this).onSync("enterKeyed",h,this).onSync("tabKeyed",i,this).onSync("escKeyed",j,this).onSync("upKeyed",k,this).onSync("downKeyed",l,this).onSync("leftKeyed",m,this).onSync("rightKeyed",n,this).onSync("queryChanged",o,this).onSync("whitespaceChanged",p,this).onSync("langDirChanged",this._onLangDirChanged,this)}function d(a){var c=[].slice.call(arguments,1);return function(){var d=[].slice.call(arguments);b.each(c,function(b){return a[b].apply(a,d)})}}return b.mixin(c.prototype,{_hacks:function(){var c,d;c=this.input.$input||a("<div>"),d=this.menu.$node||a("<div>"),c.on("blur.tt",function(a){var e,f,g;e=document.activeElement,f=d.is(e),g=d.has(e).length>0,b.isMsie()&&(f||g)&&(a.preventDefault(),a.stopImmediatePropagation(),b.defer(function(){c.focus()}))}),d.on("mousedown.tt",function(a){a.preventDefault()})},_onSelectableClicked:function(a,b){this.select(b)},_onDatasetCleared:function(){this._updateHint()},_onDatasetRendered:function(a,b,c,d){if(this._updateHint(),this.autosel
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