kai-jacobsen/kontentblocks

var Utilities = function ($) {
  return {
    // store with expiration
    stex: {
      set: function (key, val, exp) {
        store.set(key, {val: val, exp: exp, time: new Date().getTime()})
      },
      get: function (key) {
        var info = store.get(key)
        if (!info) {
          return null
        }
        if (new Date().getTime() - info.time > info.exp) {
          return null
        }
        return info.val
      }
    },
    store: {
      set: function(key,val){
          store.set(key,val);
        },
      get: function(key){
          return store.get(key);
      }
    },
    setIndex: function (obj, is, value) {
      if (!_.isObject(obj)){
        obj = {};
      }

      if (typeof is == 'string'){
        return this.setIndex(obj, is.split('.'), value);
      }
      else if (is.length == 1 && value !== undefined){
        return obj[is[0]] = value;
      }
      else if (is.length == 0){
        return obj;
      }
      else{
        return this.setIndex(obj[is[0]], is.slice(1), value);
      }
    },
    getIndex: function (obj, s) {
      s = s.replace(/\[(\w+)\]/g, '.$1'); // convert indexes to properties
      s = s.replace(/^\./, '');           // strip a leading dot
      var a = s.split('.');
      while (a.length) {
        var n = a.shift();
        if (_.isObject(obj) && n in obj) {
          obj = obj[n];
        } else {
          return {};
        }
      }
      return obj;
    },
    hashString : function(str) {
    var hash = 0, i, chr, len;
    if (str == 0) return hash;
    for (i = 0, len = str.length; i < len; i++) {
      chr   = str.charCodeAt(i);
      hash  = ((hash << 5) - hash) + chr;
      hash |= 0; // Convert to 32bit integer
    }
    return Math.abs(hash);
  },
    // deprecated in favor of kpath
    //cleanArray: function (actual) {
    //  var newArray = new Array();
    //  for (var i = 0; i < actual.length; i++) {
    //
    //    if (!_.isUndefined(actual[i]) && !_.isEmpty(actual[i])) {
    //      newArray.push(actual[i]);
    //    }
    //  }
    //  return newArray;
    //},
    sleep: function (milliseconds) {
      var start = new Date().getTime();
      for (var i = 0; i < 1e7; i++) {
        if ((new Date().getTime() - start) > milliseconds) {
          break;
        }
      }
    }
  }

}(jQuery);
module.exports = Utilities;