@cookbook/dot-notation/lib/utils/merge.js

Object readings and complex transformations using dot notation syntax.

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;

var _is = _interopRequireDefault(require("./is"));

var _shallowCopy = _interopRequireDefault(require("./shallow-copy"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

/**
 * Merge property from two objects
 * @param x
 * @param y
 */
var merge = function merge(x, y) {
  if (!(_is.default.object(x) || _is.default.object(y))) {
    return y;
  }

  var lhs = (0, _shallowCopy.default)(x);
  var rhs = (0, _shallowCopy.default)(y);
  var keys = Object.keys(lhs);
  var content = (0, _shallowCopy.default)(y);

  for (var i = 0; i < keys.length; i += 1) {
    var key = keys[i];
    var lhsValue = (0, _shallowCopy.default)(lhs[key]);
    var rhsValue = (0, _shallowCopy.default)(rhs[key]);

    if (_is.default.array(lhsValue) && _is.default.array(rhsValue)) {
      content[key] = rhsValue;
    } else if (_is.default.object(lhsValue) && _is.default.object(rhsValue)) {
      content[key] = merge(lhsValue, rhsValue);
    } else {
      content[key] = rhsValue || lhsValue;
    }
  }

  return content;
};

var _default = merge;
exports.default = _default;