valedictorian/components/form/index.js

Another React validation library

"use strict";

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

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 _propTypes = require("prop-types");

var _propTypes2 = _interopRequireDefault(_propTypes);

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

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(props) {
    _classCallCheck(this, Form);

    var _this = _possibleConstructorReturn(this, (Form.__proto__ || Object.getPrototypeOf(Form)).call(this, props));

    _this.components = [];
    _this.listeners = {};

    _this.nameMap = [];

    _this.state = {
      valid: false
    };
    return _this;
  }

  _createClass(Form, [{
    key: "componentDidMount",
    value: function componentDidMount() {
      this.getChildContext().validation.validate();
    }
  }, {
    key: "getChildContext",
    value: function getChildContext() {
      var _this2 = this;

      return {
        validation: {
          register: function register(component) {
            if (_this2.components.indexOf(component) === -1) {
              _this2.components.push(component);
              _this2.nameMap.push(component.props.name);
            }
          },

          unregister: function unregister(component) {
            var index = _this2.components.indexOf(component);
            _this2.components = _this2.components.filter(function (c, i) {
              return index !== i;
            });
            _this2.nameMap = _this2.nameMap.filter(function (c, i) {
              return index !== i;
            });
          },

          addListener: function addListener(name, listener) {
            if (typeof _this2.listeners[name] === "undefined") {
              _this2.listeners[name] = [];
            }
            if (_this2.listeners[name].indexOf(listener) == -1) {
              _this2.listeners[name].push(listener);
            }
          },

          removeListener: function removeListener(name, listener) {
            _this2.listeners[name] = _this2.listeners[name].filter(function (l) {
              return l !== listener;
            });
          },

          validate: function validate() {
            var valid = _this2.components.map(function (component) {
              return component.validate();
            });

            _this2.setState({
              valid: valid.reduce(function (acc, validator) {
                return acc && validator.valid;
              }, true)
            });

            // Notify all the listeners that validation has occurred.
            _this2.nameMap.forEach(function (name, index) {
              if (typeof name !== "undefined" && typeof _this2.listeners[name] !== "undefined") {
                _this2.listeners[name].forEach(function (listener) {
                  listener(valid[index]);
                });
              }
            });
          },

          valid: function valid() {
            return _this2.state.valid;
          }
        }
      };
    }
  }, {
    key: "render",
    value: function render() {
      return _react2.default.createElement(
        "form",
        this.props,
        this.props.children
      );
    }
  }]);

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

exports.default = Form;


Form.childContextTypes = {
  validation: _propTypes2.default.object
};