react-portal-stateless/lib/portal.js

React component for transportation of modals, lightboxes, loading bars... to document.body

'use strict';

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

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 _reactDom = require('react-dom');

var _reactDom2 = _interopRequireDefault(_reactDom);

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 KEYCODES = {
  ESCAPE: 27
};

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

  function Portal(props) {
    _classCallCheck(this, Portal);

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

    _this.closePortal = _this.closePortal.bind(_this);
    _this.handleOutsideMouseClick = _this.handleOutsideMouseClick.bind(_this);
    _this.handleKeydown = _this.handleKeydown.bind(_this);

    _this.portal = null;
    _this.node = null;
    return _this;
  }

  _createClass(Portal, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      if (this.props.closeOnEsc) {
        document.addEventListener('keydown', this.handleKeydown);
      }

      if (this.props.closeOnOutsideClick) {
        document.addEventListener('mouseup', this.handleOutsideMouseClick);
        document.addEventListener('touchstart', this.handleOutsideMouseClick);
      }

      this.componentShouldRenderPortal();
    }
  }, {
    key: 'componentDidUpdate',
    value: function componentDidUpdate(prevProps) {
      this.componentShouldRenderPortal(prevProps);
    }
  }, {
    key: 'componentShouldRenderPortal',
    value: function componentShouldRenderPortal() {
      var prevProps = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

      if (this.props.isOpen) {
        this.renderPortal();
      } else if (prevProps.isOpen) {
        this.closePortal();
      }
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      if (this.props.closeOnEsc) {
        document.removeEventListener('keydown', this.handleKeydown);
      }

      if (this.props.closeOnOutsideClick) {
        document.removeEventListener('mouseup', this.handleOutsideMouseClick);
        document.removeEventListener('touchstart', this.handleOutsideMouseClick);
      }

      this.closePortal(true);
    }
  }, {
    key: 'handleOutsideMouseClick',
    value: function handleOutsideMouseClick(e) {
      if (!this.props.isOpen) {
        return;
      }

      var root = (0, _reactDom.findDOMNode)(this.portal);
      if (root.contains(e.target) || e.button && e.button !== 0) {
        return;
      }
      e.stopPropagation();
      this.props.onClose();
    }
  }, {
    key: 'handleKeydown',
    value: function handleKeydown(e) {
      if (e.keyCode === KEYCODES.ESCAPE && this.props.isOpen) {
        this.props.onClose();
      }
    }
  }, {
    key: 'closePortal',
    value: function closePortal() {
      if (this.node) {
        _reactDom2.default.unmountComponentAtNode(this.node);
        document.body.removeChild(this.node);
      }
      this.portal = null;
      this.node = null;
    }
  }, {
    key: 'renderPortal',
    value: function renderPortal() {
      if (!this.node) {
        this.node = document.createElement('div');
        document.body.appendChild(this.node);
      }

      var children = this.props.children;

      if (typeof children.type === 'function') {
        children = _react2.default.cloneElement(children, {
          closePortal: this.props.onClose
        });
      }

      this.portal = _reactDom2.default.unstable_renderSubtreeIntoContainer(this, children, this.node, this.props.onUpdate);
    }
  }, {
    key: 'render',
    value: function render() {
      return null;
    }
  }]);

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

exports.default = Portal;


Portal.propTypes = {
  children: _propTypes2.default.element.isRequired,
  closeOnEsc: _propTypes2.default.bool,
  closeOnOutsideClick: _propTypes2.default.bool,
  isOpen: _propTypes2.default.bool,
  onClose: _propTypes2.default.func,
  onUpdate: _propTypes2.default.func
};

Portal.defaultProps = {
  onClose: function onClose() {},
  onUpdate: function onUpdate() {}
};