react-blips/es/utils/computeNextState.js

Official React bindings for Blips

var _extends = Object.assign || function (target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i]; for (var key in source) { if (Object.prototype.hasOwnProperty.call(source, key)) { target[key] = source[key]; } } } return target; };

function _objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }

import { isNil } from './isNil';
import { when } from './when';
import { isEmpty } from './isEmpty';
import { omit } from './omit';
import { removeEmptyOrNilProps } from './removeEmptyOrNilProps';

import { mergeErrors } from './mergeErrors';

export function computeNextState(list, _ref) {
  var dataKey = _ref.dataKey,
      queriesKey = _ref.queriesKey,
      mutationsKey = _ref.mutationsKey;
  var base = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};

  var errorsObject = {};

  var update = list.reduce(function (acc, _ref2) {
    var _extends2;

    var errors = _ref2.errors,
        data = _ref2.data,
        res = _objectWithoutProperties(_ref2, ['errors', 'data']);

    errors && (errorsObject = mergeErrors(errors)(errorsObject));
    return _extends({}, acc, (_extends2 = {}, _extends2[dataKey] = _extends({}, acc[dataKey] || {}, when(isNil, {}, data)), _extends2[mutationsKey] = _extends({}, acc[mutationsKey] || {}, when(isNil, {}, res[mutationsKey])), _extends2[queriesKey] = _extends({}, acc[queriesKey] || {}, when(isNil, {}, res[queriesKey])), _extends2));
  }, base);

  if (!isEmpty(errorsObject)) {
    update[dataKey] = omit(Object.keys(errorsObject), update[dataKey]);
    update[dataKey]['errors'] = errorsObject;
  }

  return removeEmptyOrNilProps(update);
}