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14217 anikendra 1 
/*
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 * typeahead.js
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 * https://github.com/twitter/typeahead.js
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 * Copyright 2013-2014 Twitter, Inc. and other contributors; Licensed MIT
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 */
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var _ = (function() {
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  'use strict';
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  return {
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    isMsie: function() {
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      // from https://github.com/ded/bowser/blob/master/bowser.js
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      return (/(msie|trident)/i).test(navigator.userAgent) ?
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        navigator.userAgent.match(/(msie |rv:)(\d+(.\d+)?)/i)[2] : false;
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    },
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    isBlankString: function(str) { return !str || /^\s*$/.test(str); },
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    // http://stackoverflow.com/a/6969486
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    escapeRegExChars: function(str) {
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      return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, '\\$&');
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    },
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    isString: function(obj) { return typeof obj === 'string'; },
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    isNumber: function(obj) { return typeof obj === 'number'; },
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    isArray: $.isArray,
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    isFunction: $.isFunction,
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    isObject: $.isPlainObject,
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    isUndefined: function(obj) { return typeof obj === 'undefined'; },
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    toStr: function toStr(s) {
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      return (_.isUndefined(s) || s === null) ? '' : s + '';
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    },
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    bind: $.proxy,
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    each: function(collection, cb) {
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      // stupid argument order for jQuery.each
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      $.each(collection, reverseArgs);
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      function reverseArgs(index, value) { return cb(value, index); }
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    },
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    map: $.map,
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    filter: $.grep,
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    every: function(obj, test) {
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      var result = true;
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      if (!obj) { return result; }
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      $.each(obj, function(key, val) {
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        if (!(result = test.call(null, val, key, obj))) {
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          return false;
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        }
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      });
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      return !!result;
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    },
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    some: function(obj, test) {
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      var result = false;
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      if (!obj) { return result; }
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      $.each(obj, function(key, val) {
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        if (result = test.call(null, val, key, obj)) {
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          return false;
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        }
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      });
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      return !!result;
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    },
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    mixin: $.extend,
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    getUniqueId: (function() {
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      var counter = 0;
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      return function() { return counter++; };
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    })(),
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    templatify: function templatify(obj) {
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      return $.isFunction(obj) ? obj : template;
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      function template() { return String(obj); }
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    },
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    defer: function(fn) { setTimeout(fn, 0); },
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    debounce: function(func, wait, immediate) {
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      var timeout, result;
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      return function() {
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        var context = this, args = arguments, later, callNow;
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        later = function() {
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          timeout = null;
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          if (!immediate) { result = func.apply(context, args); }
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        };
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        callNow = immediate && !timeout;
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        clearTimeout(timeout);
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        timeout = setTimeout(later, wait);
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        if (callNow) { result = func.apply(context, args); }
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        return result;
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      };
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    },
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    throttle: function(func, wait) {
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      var context, args, timeout, result, previous, later;
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      previous = 0;
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      later = function() {
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        previous = new Date();
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        timeout = null;
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        result = func.apply(context, args);
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      };
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      return function() {
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        var now = new Date(),
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            remaining = wait - (now - previous);
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        context = this;
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        args = arguments;
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        if (remaining <= 0) {
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          clearTimeout(timeout);
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          timeout = null;
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          previous = now;
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          result = func.apply(context, args);
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        }
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        else if (!timeout) {
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          timeout = setTimeout(later, remaining);
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        }
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        return result;
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      };
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    },
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    noop: function() {}
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  };
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})();