Nodejs Array Push Unique pushUnique(obj, equalityFunction)

Method Source Code

Array.prototype.pushUnique = function (obj, equalityFunction) {
  equalityFunction  = (typeof equalityFunction === "undefined") ? function(a, b) { return a === b } : equalityFunction;
  for(var n = 0; n < this.length; n++) {
    if(equalityFunction(this[n], obj)) { // contains
      return false;
    }//from  www.  j a va 2 s.c o  m
  }
  this.push(obj);
  return true;
}

Related

1. pushUnique(item)

   Array.prototype.pushUnique = function (item){
       if(this.indexOf(item) === -1) {
           this.push(item);
           return true;
       return false;
   };
   

2. pushUnique(item)

   Array.prototype.pushUnique = function (item) {
       if (this.indexOf(item) == -1) {
           this.push(item);
           return true;
       return false;
   };
   String.prototype.repeat = function (num) {
       return new Array(num + 1).join(this);
   ...
   

3. pushUnique(item,unique)

   Array.prototype.pushUnique = function(item,unique)
     if(unique === false) {
       this.push(item);
     } else {
       if(this.indexOf(item) == -1)
         this.push(item);
   };
   ...
   

4. pushUnique(k, v)

   Array.prototype.pushUnique = function(k, v) {
     exist = false;
     for(var i = 0; i < this.length; i++) {
       if (this[i][k] == v) return this[i];
     if (!exist) {
       obj = {};
       obj[k] = v;
       this.push(obj);
   ...
   

5. pushUnique(obj)

   Array.prototype.pushUnique=function(obj){
     if(this.containsObject(obj)){
       return;
     this.push(obj);
   

6. pushUnique(value)

   Array.prototype.pushUnique = function(value) {
       if (this.include(value)) return this;
       this.push(value);
       return this;
   Array.prototype.concatUnique = function(arr) {
       for (index in arr) {
           if (typeof arr[index] != "function") this.pushUnique(arr[index]);
       return this;
   

7. pushUniquely(e)

   Array.prototype.pushUniquely = function(e){
     for(var i=0;i<this.length;i++){
       var ae = this[i];
       if(ae instanceof Array && e instanceof Array){
         if(ae.isEqual(e)) return i;
       }else{
         if(ae==e) return i;
     return this.push(e)-1;
   

8. pushReplace(pattern)

   Array.prototype.pushReplace = function(pattern){
     var args = Array.prototype.slice.call(arguments, 1);
     this.push(pattern.replace(/\{(\d+)\}/g, function(pattern, index){
       return args[index].toString();
     }));
     return this;
   };
   

9. push_unique(value)

   Array.prototype.push_unique = function (value) {
     if (!this.in_array(value)) {
         this.push(value);
   };