vcc-ui/_src/merge.js

VCC UI is a collection of React UI Components that can be used for developing front-end applications at Volvo Car Corporation.

/*!
 * Deep merge two or more objects together.
 * (c) 2019 Chris Ferdinandi, MIT License, https://gomakethings.com
 * @param   {Object}   objects  The objects to merge together
 * @returns {Object}            Merged values of defaults and options
 */
export function merge() {
  // Setup merged object
  var newObj = {};

  // Merge the object into the newObj object
  var innerMerge = function(obj) {
    for (var prop in obj) {
      if (Object.prototype.hasOwnProperty.call(obj, prop)) {
        // If property is an object, merge properties
        if (Object.prototype.toString.call(obj[prop]) === '[object Object]') {
          newObj[prop] = merge(newObj[prop], obj[prop]);
        } else {
          newObj[prop] = obj[prop];
        }
      }
    }
  };

  // Loop through each object and conduct a merge
  for (var i = 0; i < arguments.length; i++) {
    innerMerge(arguments[i]);
  }

  return newObj;
}