Nodejs Array Same Structure sameStructureAs(other)

Method Source Code

Array.prototype.sameStructureAs = function (other) {
  if ( this.length !== other.length ) return false;
  
  for ( var i = 0; i < this.length; i++ ){
    if (Array.isArray(this[i]) && Array.isArray(other[i])) {
      if (!this[i].sameStructureAs(other[i])) return false;
    } else if (Array.isArray(this[i]) || Array.isArray(other[i])){
      return false;
    }/*from w  w w  .j  av a  2s .  c  o  m*/
  }
  return true;
};

Related

1. sameStructureAs(a2)

   Array.prototype.sameStructureAs = function(a2) {
     let isSame = true;
     (function recurse(arr1, arr2){
       if (!arr1 || !arr2) {
         isSame = false;
         return;
       if (arr1.length !== arr2.length) {
         isSame = false;
   ...
   

2. sameStructureAs(other)

   Array.prototype.sameStructureAs = function (other) {
     const stringify = a => `[${a.map(b => Array.isArray(b) ? stringify(b) : '|').join('')}]`
     return Array.isArray(other) ? stringify(this) === stringify(other) : false
   

3. sameStructureAs(other)

   Array.prototype.sameStructureAs = function (other) {
     var helper = function(a,b){
       if(!isArray(b))
         return false;
       for(i in a){
         if(b[i]===undefined || isArray(a[i])!==isArray(b[i]) || isArray(a[i]) && !a[i].sameStructureAs(b[i]))
           return false;
       return true;
   ...
   

4. sameStructureAs(other)

   Array.prototype.sameStructureAs = function (other) {   
     if (!Array.isArray(other)) return false;
     function transform(array) {
       return array.map(item => Array.isArray(item) ? [transform(item)] : "0");
     return JSON.stringify(transform(this)) === JSON.stringify(transform(other));
   };
   console.log([ 1, [ 1, 1 ] ].sameStructureAs( [ 2, [ 2, 2 ] ] ));
   console.log([ [ [ ], [ ] ] ].sameStructureAs( [ [ [ ], [ ] ] ] ))
   ...
   

5. sameStructureAs(other)

   Array.prototype.sameStructureAs = function(other) {
     if (Array.isArray(other) === false) {
       return false;
     return compareArrays(this, other);
   };
   function compareArrays(arr1, arr2) {
     if (arr1.length !== arr2.length) {
       return false;
   ...
   

6. sameStructureAs(other)

   Array.prototype.sameStructureAs = function (other) {
     return this && other && Array.isArray(this) === Array.isArray(other) && this.every(function(element, i) {
       if (Array.isArray(element)) {
         return element.sameStructureAs(other[i]);
       return element && other[i] && Array.isArray(element) === Array.isArray(other[i]);
     });
   };