gen-diff/dist/compare.js

utility for searching differences between config files

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _lodash = require('lodash');

var _lodash2 = _interopRequireDefault(_lodash);

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

const compare = (obj1, obj2) => {
  const keys1 = Object.keys(obj1);
  const keys2 = Object.keys(obj2);

  const allKeys = _lodash2.default.union(keys1, keys2);

  const compareData = allKeys.map(key => {
    if (_lodash2.default.isUndefined(obj1[key])) {
      return { type: 'added', key, newValue: obj2[key] };
    }
    if (_lodash2.default.isUndefined(obj2[key])) {
      return { type: 'removed', key, oldValue: obj1[key] };
    }
    if (_lodash2.default.isEqual(obj1[key], obj2[key])) {
      return { type: 'unchanged', key, oldValue: obj1[key] };
    }
    if (_lodash2.default.isObject(obj1[key]) && _lodash2.default.isObject(obj2[key])) {
      return { type: 'unchanged', key, children: compare(obj1[key], obj2[key]) };
    }
    return {
      type: 'updated', key, oldValue: obj1[key], newValue: obj2[key]
    };
  });

  return compareData;
};

exports.default = (obj1, obj2) => compare(obj1, obj2);