redux-form/lib/formValueSelector.js

A higher order component decorator for forms using Redux and React

'use strict';

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

var _invariant = require('invariant');

var _invariant2 = _interopRequireDefault(_invariant);

var _plain = require('./structure/plain');

var _plain2 = _interopRequireDefault(_plain);

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

var createFormValueSelector = function createFormValueSelector(_ref) {
  var getIn = _ref.getIn;
  return function (form) {
    var getFormState = arguments.length <= 1 || arguments[1] === undefined ? function (state) {
      return getIn(state, 'form');
    } : arguments[1];

    (0, _invariant2.default)(form, 'Form value must be specified');
    return function (state) {
      for (var _len = arguments.length, fields = Array(_len > 1 ? _len - 1 : 0), _key = 1; _key < _len; _key++) {
        fields[_key - 1] = arguments[_key];
      }

      (0, _invariant2.default)(fields.length, 'No fields specified');
      return fields.length === 1 ?
      // only selecting one field, so return its value
      getIn(getFormState(state), form + '.values.' + fields[0]) :
      // selecting many fields, so return an object of field values
      fields.reduce(function (accumulator, field) {
        var value = getIn(getFormState(state), form + '.values.' + field);
        return value === undefined ? accumulator : _plain2.default.setIn(accumulator, field, value);
      }, {});
    };
  };
};

exports.default = createFormValueSelector;