array-includes-polyfill/src/polyfills/find-object.js

Exposing a richer set of Array features for JavaScript

class Lookup{

  lookup(obj, withIndex) {
    let O = Object(this);
    var result = [];

    O.map(function(object, index){
      if(_isFlat(object)){
        if(_compareObjs(obj, object)){

          if(withIndex)
          _define$$index(object, index);
          result.push(object);
        }
      }

      if(!_isFlat(object)){
        var tempObj1 = _flattenObjs(object, withIndex, index);
        var tempObj2 = _flattenObjs(obj, withIndex, index);
        if(_compareObjs(tempObj2, tempObj1)){
          _define$$index(object, index);
          result.push(object);
        }
      }

    });
    var x = result;
    result = [];


    if(x.length === 1)
    x = x[0];

    if(x === undefined || x === null || x == '')
    x = false;

    return x;

  }
}

function _define$$index(object, index){
  Object.defineProperty(object, "_$$index_", {
    enumerable: true,
    configurable: true,
    writable: false,
    value:index,
  });
}

function _compareObjs (obj1, obj2){
  var validate = [];
  var keys = Object.keys(obj1);
  var state;

  keys.map(function(key){
    if(obj1[key] === obj2[key])
    validate.push(true);
  });

  (validate.length === keys.length) ? state=true : state=false;
  return state;
}

let _flattend = {};
let _recursion = false;

function _flattenObjs(object, withIndex, index){
  if(!_recursion) _flattend = {};

  var keys = Object.keys(object);

  keys.map(function(key){

    if(!_isObject(object[key]))
      _flattend[key] = object[key];
    if(_isObject(object[key])){
      _recursion = true;
      _flattenObjs(object[key]);
    }
  });

  _recursion = false;
  if(withIndex)
  _define$$index(_flattend, index);
  return _flattend;
}

function _isFlat(object){
    var validate = [];
    if(object instanceof Object){
    var keys = Object.keys(object);
      keys.map(function(key){
        if(object[key] instanceof Object)
        validate.push(true);
      });
    }

    if (validate.length > 0)
    return false;
    return true;
}
 function _isObject(object){
   if(object instanceof Object)
   return true;
   return false;
 }

module.exports = Lookup;