Nodejs Array Object Key arrToObj()

Method Source Code

Array.prototype.arrToObj = function(){
  var obj = {};//from  w w w .  j a  va 2  s .  c o m
  for (var i = 0; i < this.length; i++) {
    obj[i] = this[i]
  }
  return obj;
}

Related

1. keys()

   Array.prototype.keys = function keys () {
     return new ArrayIterator(this, 'key');
   };
   

2. notIn( key, array )

   Array.prototype.notIn = function( key, array )
       return this.filter( function(element)
           var flag = true;
           for(var i = 0; i < array.length; i++)
               if( element[key] == array[i][key]) flag = false;
           return flag;
       });
   };
   

3. objectIndex(key,value)

   Array.prototype.objectIndex = function(key,value) {
     for(var i = 0, len = this.length; i < len; i++) {
         if (this[i][key] === value) return i;
     return -1;
   

4. options(textKey, valueKey)

   Array.prototype.options = function(textKey, valueKey) {
     var options = [];
     options = this.map(function(item) {
        return { text: item[textKey], value: item[valueKey] }
     });
     return options;
   

5. updateObject(id, key, value_key, value)

   Array.prototype.updateObject = function (id, key, value_key, value) {
     for (var i = 0; i < this.length; i++) {
       if (this[i][key] == value) {
         return this[i][value_key] = value;
   };
   

6. 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;
   

7. 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;
   

8. fromObject(obj)

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

9. 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;