redux-formo/dist/Form/Form.js

An alternate forms framework for Redux+React.

'use strict';

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

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; };

var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();

var _react = require('react');

var _react2 = _interopRequireDefault(_react);

var _lodash = require('lodash.isequal');

var _lodash2 = _interopRequireDefault(_lodash);

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

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; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }

var Form = function (_React$Component) {
  _inherits(Form, _React$Component);

  function Form() {
    var _Object$getPrototypeO;

    _classCallCheck(this, Form);

    for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
      args[_key] = arguments[_key];
    }

    var _this = _possibleConstructorReturn(this, (_Object$getPrototypeO = Object.getPrototypeOf(Form)).call.apply(_Object$getPrototypeO, [this].concat(args)));

    _this.filter = _this.filter.bind(_this);
    _this.validate = _this.validate.bind(_this);
    _this.submit = _this.submit.bind(_this);
    _this.handleSubmit = _this.handleSubmit.bind(_this);
    return _this;
  }

  _createClass(Form, [{
    key: 'getChildContext',
    value: function getChildContext() {
      return {
        formo: {
          getState: this.props.getState,
          name: this.props.name,
          filter: this.props.filterFn,
          validate: this.props.validateFn,
          defaults: this.props.defaultValues
        }
      };
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      if (this.props.destroyOnUnmount) {
        this.props.destroy();
      }
    }

    //FIXME: this can be removed when we move form filtering/validating/submitting to an action creator

  }, {
    key: 'shouldComponentUpdate',
    value: function shouldComponentUpdate(nextProps) {
      var _this2 = this;

      //if there's new properties we should re-render
      if (Object.keys(nextProps).length !== Object.keys(this.props).length) {
        return true;
      }

      //check current properties haven't changed
      return Object.keys(nextProps).some(function (prop) {
        return !(0, _lodash2.default)(_this2.props[prop], nextProps[prop]);
      });
    }
  }, {
    key: 'filter',
    value: function filter() {
      var _this3 = this;

      //FIXME: wrap this in an action creator
      return Promise.all(this.props.fields.map(function (name) {
        return _this3.props.filter(name);
      }));
    }
  }, {
    key: 'validate',
    value: function validate() {
      var _this4 = this;

      //FIXME: wrap this in an action creator
      return Promise.all(this.props.fields.map(function (name) {
        return _this4.props.validate(name);
      }));
    }
  }, {
    key: 'submit',
    value: function submit() {
      var _this5 = this;

      //FIXME: wrap this in an action creator
      return Promise.resolve().then(function () {
        return _this5.filter();
      }).then(function () {
        return _this5.validate();
      }).then(function () {

        if (_this5.props.valid) {
          return _this5.props.submit();
        }
      });
    }
  }, {
    key: 'handleSubmit',
    value: function handleSubmit(event) {
      if (event) {
        event.preventDefault();
      }
      this.submit();
    }
  }, {
    key: 'render',
    value: function render() {
      var _props = this.props;
      var stateKey = _props.stateKey;
      var name = _props.name;
      var destroyOnUnmount = _props.destroyOnUnmount;
      var filter = _props.filter;
      var validate = _props.validate;
      var submit = _props.submit;
      var children = _props.children;
      var Component = _props.component;

      var otherProps = _objectWithoutProperties(_props, ['stateKey', 'name', 'destroyOnUnmount', 'filter', 'validate', 'submit', 'children', 'component']);

      var childProps = _extends({}, otherProps, {
        //TODO: calculate other state or move to reducer

        //functions
        filter: this.filter,
        validate: this.validate,
        submit: this.submit,

        //handlers
        onSubmit: this.handleSubmit

      });

      //console.log('Form.render()');

      if (typeof Component === 'function') {
        return _react2.default.createElement(Component, childProps);
      } else if (children) {

        var child = _react2.default.Children.only(children);

        if (_react2.default.isValidElement(child) && typeof child.type === 'string') {
          return child;
        } else {
          return _react2.default.cloneElement(_react2.default.Children.only(child), childProps);
        }
      } else {
        throw new Error('No component/children.');
      }
    }
  }]);

  return Form;
}(_react2.default.Component);

Form.childContextTypes = {
  formo: _react2.default.PropTypes.object.isRequired
};

Form.propTypes = {

  getState: _react2.default.PropTypes.func.isRequired,
  name: _react2.default.PropTypes.string.isRequired,
  defaultValues: _react2.default.PropTypes.object,

  children: _react2.default.PropTypes.element,
  component: _react2.default.PropTypes.func,

  filter: _react2.default.PropTypes.func.isRequired,
  validate: _react2.default.PropTypes.func.isRequired,
  submit: _react2.default.PropTypes.func.isRequired,

  destroyOnUnmount: _react2.default.PropTypes.bool.isRequired

};

Form.defaultProps = {
  defaultValues: {},
  destroyOnUnmount: true
};

exports.default = Form;
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