Nodejs Array Object Key seen(obj)

Method Source Code

Array.prototype.seen = function (obj) {
  if (obj.type == 'notification') {
    var i = 0;/*from w ww  .j ava  2 s  . com*/
    while (this[i].noticeId != obj.noticeId && i < this.length)
      i++;
    return (i < this.length && this[i].seqN < obj.seqN);
  }
  
  return false;
}

Related

1. asObject(labels)

   Array.prototype.asObject = function(labels) {
     var result = {};
     var _ctx = this;
     labels.each(function(label, idx) {
       if (label != null)
         result[label] = _ctx[idx];
     })
     return result;
   

2. destroy(obj)

   Array.prototype.destroy = function(obj){
     var destroyed = null;
     for(var i = 0; i < this.length; i++){
       while(this[i] === obj){
         destroyed = this.splice(i, 1)[0];
     return destroyed;
   

3. fromObject(obj)

   Array.prototype.fromObject = function (obj) {
       var ar = [];
       for(item in obj){
           ar.push(obj[item]);
       return ar;
   };
   

4. getAllObjectsBy(field, withValue)

   Array.prototype.getAllObjectsBy = function(field, withValue)
     var results = [];
     for (var i = 0; i < this.length; i++) {
       if(this[i][field] == withValue)
         results.push(this[i]);
     return (results.length>0) ? results : null;
   

5. replace(oldObj, newObj)

   Array.prototype.replace = function(oldObj, newObj){
      var indexOfOldItem = this.indexOf(oldObj)
      if(indexOfOldItem==-1){
         throw new Error("oldObj not in list")
      this[indexOfOldItem] = newObj
      return oldObj
   };
   Array.prototype._checkIndexInRange = function(index){
   ...
   

6. singleRemove(objectToRemove)

   Array.prototype.singleRemove = function(objectToRemove) {
       if ((index = this.indexOf(objectToRemove)) !== -1) {
           this.splice(index,1);
       return this;