react-onclickout/index.js

An ES6-friendly on-click-outside React component.

'use strict';

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; }; }();

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 React = require('react');
var ReactDOM = require('react-dom');

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

  function ClickOutComponent() {
    _classCallCheck(this, ClickOutComponent);

    return _possibleConstructorReturn(this, (ClickOutComponent.__proto__ || Object.getPrototypeOf(ClickOutComponent)).call(this));
  }

  _createClass(ClickOutComponent, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      var self = this;
      var elTouchIsClick = true;
      var documentTouchIsClick = true;
      var el = ReactDOM.findDOMNode(this);

      self.__documentTouchStarted = function (e) {
        el.removeEventListener('click', self.__elementClicked);
        document.removeEventListener('click', self.__documentClicked);
      };

      self.__documentTouchMoved = function (e) {
        documentTouchIsClick = false;
      };

      self.__documentTouchEnded = function (e) {
        if (documentTouchIsClick) self.__documentClicked(e);
        documentTouchIsClick = true;
      };

      self.__documentClicked = function (e) {
        if ((e.__clickedElements || []).indexOf(el) !== -1) return;

        var clickOutHandler = self.onClickOut || self.props.onClickOut;
        if (!clickOutHandler) {
          return console.warn('onClickOut is not defined.');
        }

        clickOutHandler.call(self, e);
      };

      self.__elementTouchMoved = function (e) {
        elTouchIsClick = false;
      };

      self.__elementTouchEnded = function (e) {
        if (elTouchIsClick) self.__elementClicked(e);
        elTouchIsClick = true;
      };

      self.__elementClicked = function (e) {
        e.__clickedElements = e.__clickedElements || [];
        e.__clickedElements.push(el);
      };

      setTimeout(function () {
        if (self.__unmounted) return;
        self.toggleListeners('addEventListener');
      }, 0);
    }
  }, {
    key: 'toggleListeners',
    value: function toggleListeners(listenerMethod) {
      var el = ReactDOM.findDOMNode(this);

      el[listenerMethod]('touchmove', this.__elementTouchMoved);
      el[listenerMethod]('touchend', this.__elementTouchEnded);
      el[listenerMethod]('click', this.__elementClicked);

      document[listenerMethod]('touchstart', this.__documentTouchStarted);
      document[listenerMethod]('touchmove', this.__documentTouchMoved);
      document[listenerMethod]('touchend', this.__documentTouchEnded);
      document[listenerMethod]('click', this.__documentClicked);
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      this.toggleListeners('removeEventListener');
      this.__unmounted = true;
    }
  }, {
    key: 'render',
    value: function render() {
      return Array.isArray(this.props.children) ? React.createElement(
        'div',
        null,
        this.props.children
      ) : React.Children.only(this.props.children);
    }
  }]);

  return ClickOutComponent;
}(React.Component);

module.exports = ClickOutComponent;