type-ahead.min.js

(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.TypeAhead=f()}})(function(){var define,module,exports;return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var TypeAhead=function(element,candidates,opts){var typeAhead=this;opts=opts||{};typeAhead.element=element;typeAhead.candidates=candidates||[];typeAhead.list=new TypeAheadList(typeAhead);this.minLength=opts.hasOwnProperty("minLength")?opts.minLength:3;typeAhead.limit=opts.hasOwnProperty("limit")?opts.limit:5;typeAhead.onMouseDown=opts.hasOwnProperty("onMouseDown")?opts.onMouseDown:function(){};typeAhead.onKeyDown=opts.hasOwnProperty("onKeyDown")?opts.onKeyDown:function(){};typeAhead.query="";typeAhead.selected=null;typeAhead.list.draw();typeAhead.element.addEventListener("keyup",function(event){typeAhead.handleKeyUp.call(typeAhead,event.keyCode)},false);typeAhead.element.addEventListener("keydown",function(event){typeAhead.handleKeyDown.call(typeAhead,event.keyCode)&&event.preventDefault()});typeAhead.element.addEventListener("focus",function(){typeAhead.handleFocus.call(typeAhead)});typeAhead.element.addEventListener("blur",function(){typeAhead.handleBlur.call(typeAhead)});typeAhead.update=function(candidates){this.candidates=candidates;typeAhead.handleKeyUp.call(typeAhead)};return typeAhead};TypeAhead.prototype.handleKeyUp=function(keyCode){if(keyCode===13||keyCode===38||keyCode===40){return}this.query=this.filter(this.element.value);this.list.clear();if(this.query.length<this.minLength){this.list.draw();return}var typeAhead=this;this.getCandidates(function(candidates){for(var i=0;i<candidates.length;i++){typeAhead.list.add(candidates[i]);if(typeAhead.limit!==false&&i===typeAhead.limit){break}}typeAhead.list.draw()})};TypeAhead.prototype.handleKeyDown=function(keyCode){if(keyCode===13&&!this.list.isEmpty()){this.value(this.list.items[this.list.active]);this.list.hide();this.onKeyDown(this.list.items[this.list.active]);return true}if(keyCode===38){this.list.previous();return true}if(keyCode===40){this.list.next();return true}return false};TypeAhead.prototype.handleBlur=function(){this.list.hide()};TypeAhead.prototype.handleFocus=function(){if(!this.list.isEmpty()){this.list.show()}};TypeAhead.prototype.filter=function(value){value=value.toLowerCase();return value};TypeAhead.prototype.match=function(candidate){return candidate.indexOf(this.query)===0};TypeAhead.prototype.value=function(value){this.selected=value;this.element.value=this.getItemValue(value);if(document.createEvent){var e=document.createEvent("HTMLEvents");e.initEvent("change",true,false);this.element.dispatchEvent(e)}else{this.element.fireEvent("onchange")}};TypeAhead.prototype.getCandidates=function(callback){var items=[];for(var i=0;i<this.candidates.length;i++){var candidate=this.getItemValue(this.candidates[i]);if(this.match(this.filter(candidate))){items.push(this.candidates[i])}}callback(items)};TypeAhead.prototype.getItemValue=function(item){return item};TypeAhead.prototype.highlight=function(item){return this.getItemValue(item).replace(new RegExp("^("+this.query+")","ig"),function($1,match){return"<strong>"+match+"</strong>"})};var TypeAheadList=function(typeAhead){var typeAheadList=this;typeAheadList.typeAhead=typeAhead;typeAheadList.items=[];typeAheadList.active=0;typeAheadList.element=document.createElement("ul");typeAhead.element.parentNode.insertBefore(typeAheadList.element,typeAhead.element.nextSibling);return typeAheadList};TypeAheadList.prototype.show=function(){this.element.style.display="block"};TypeAheadList.prototype.hide=function(){this.element.style.display="none"};TypeAheadList.prototype.add=function(item){this.items.push(item)};TypeAheadList.prototype.clear=function(){this.items=[];this.active=0};TypeAheadList.prototype.isEmpty=function(){return this.element.children.length===0};TypeAheadList.prototype.draw=function(){this.element.innerHTML="";if(this.items.length===0){this.hide();return}for(var i=0;i<this.items.length;i++){this.drawItem(this.items[i],this.active===i)}this.show()};TypeAheadList.prototype.drawItem=function(item,active){var li=document.createElement("li"),a=document.createElement("a");if(active){li.className+=" active"}a.innerHTML=this.typeAhead.highlight(item);li.appendChild(a);this.element.appendChild(li);var typeAheadList=this;li.addEventListener("mousedown",function(){typeAheadList.handleMouseDown.call(typeAheadList,item)})};TypeAheadList.prototype.handleMouseDown=function(item){this.typeAhead.value(item);this.typeAhead.onMouseDown(item);this.clear();this.draw()};TypeAheadList.prototype.move=function(index){this.active=index;this.draw()};TypeAheadList.prototype.previous=function(){this.move(this.active===0?this.items.length-1:this.active-1)};TypeAheadList.prototype.next=function(){this.move(this.active===this.items.length-1?0:this.active+1)};module.exports=TypeAhead},{}]},{},[1])(1)});