cl-diff-tool/dist/json.js

command line diff tool

'use strict';

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

function _toConsumableArray(arr) { if (Array.isArray(arr)) { for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) { arr2[i] = arr[i]; } return arr2; } else { return Array.from(arr); } }

var createRow = function createRow(key, value) {
  var sign = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : ' ';
  return '\n\t' + sign + ' ' + key + ': ' + value;
};

var getNewKeys = function getNewKeys(firstConfig, secondConfig) {
  return Object.keys(secondConfig).filter(function (key) {
    return Object.keys(firstConfig).indexOf(key) === -1;
  });
};

exports.default = function (firstConfig, secondConfig) {
  var newKeys = getNewKeys(firstConfig, secondConfig);
  var differences = Object.keys(firstConfig).reduce(function (acc, key) {
    if (!Object.hasOwnProperty.call(secondConfig, key)) {
      return [].concat(_toConsumableArray(acc), [createRow(key, firstConfig[key], '-')]);
    }
    if (secondConfig[key] === firstConfig[key]) {
      return [].concat(_toConsumableArray(acc), [createRow(key, firstConfig[key])]);
    }
    return [].concat(_toConsumableArray(acc), [createRow(key, secondConfig[key], '+'), createRow(key, firstConfig[key], '-')]);
  }, []);

  var totalDifferences = newKeys.reduce(function (acc, key) {
    return [].concat(_toConsumableArray(acc), [createRow(key, secondConfig[key], '+')]);
  }, differences);

  return '{' + totalDifferences.join('') + '\n}';
};
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