Nodejs Array Merge merge(list)

Method Source Code

Array.prototype.merge = function(list){
    //list here like: {title:"",url:"",sourceType:"",relevancy:0}
    var merged = [];
    function hasnotAdded(element, index, array) {
        if(merged.some(function(e){ return e.title === element.title;})){
            return false;
        }// ww w  .  j a v  a  2 s . co m
        else {
            merged.push(element);
            return true;
        }
    }

    return this.filter(hasnotAdded).concat(list.filter(hasnotAdded));
};

Related

1. merge()

   Array.prototype.merge = function() {
     var l = this.length, a = [];
     for (var i=0; i<l; i++) {
       var k = this[i].length;
       for (var j=0; j<k; j++) {
         a.push(this[i][j]);
     return a;
   ...
   

2. merge(arr)

   Array.prototype.merge = function(arr) {
       if (arr) {
           for (var i = 0; i < arr.length; ++i) {
               if (!this.contains(arr[i]))
                   this.push(arr[i]);
   

3. merge(arr)

   Array.prototype.merge = function (arr) {
       if (arr == null || typeof(arr) == "undefined") {
           return this;
       return this.concat(arr);
   };
   

4. merge(arra)

   Array.prototype.merge = function(arra){
       var oneArra = this;
       var twoArra = arra;
       var oneIndex = 0;
       var twoIndex = 0;
       var result = [];
       while(!(oneIndex == oneArra.length && twoIndex == twoArra.length)){
           if((oneArra[oneIndex] < twoArra[twoIndex]) || (twoIndex == twoArra.length)){
               result[result.length] = oneArra[oneIndex];
   ...
   

5. merge(arrayB)

   Array.prototype.merge = function(arrayB) {
       var arrayA = this.valueOf(), res = [], bCopy;
       res = arrayA.unite([]);
       bCopy = arrayB.unite([]);
       for (var i = 0; i < res.length; i++) {
           for (var j = 0; j < arrayB.length; j++) {
               if (res[i] == bCopy[j]) {
                   delete bCopy[j];
                   break;
   ...
   

6. merge(other)

   Array.prototype.merge = function(other) {
       var that = this;
       other.forEach(function(el2) {
           if (that.every(function(el1) {
               return el1 !== el2;
           })) {
               that.push(el2);
       });
   ...
   

7. merge(secondArray)

   Array.prototype.merge = function(secondArray){
     for (var element in secondArray){
       if(this.contains(secondArray[element])){
         continue;
       this.push(secondArray[element]);
   

8. merge(targets, comparer, builder)

   Array.prototype.merge = function (targets, comparer, builder) {
     return this.map(function (source) {
       var target = targets.filter(function (x) { return comparer(source, x); })[0];
       return builder(source, target);
     });
   };