Portal.js

'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 _get = function get(_x, _x2, _x3) { var _again = true; _function: while (_again) { var object = _x, property = _x2, receiver = _x3; _again = false; if (object === null) object = Function.prototype; var desc = Object.getOwnPropertyDescriptor(object, property); if (desc === undefined) { var parent = Object.getPrototypeOf(object); if (parent === null) { return undefined; } else { _x = parent; _x2 = property; _x3 = receiver; _again = true; desc = parent = undefined; continue _function; } } else if ('value' in desc) { return desc.value; } else { var getter = desc.get; if (getter === undefined) { return undefined; } return getter.call(receiver); } } };

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 _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 _react2 = _interopRequireDefault(_react);

var _reactAddonsTransitionGroup = require('react-addons-transition-group');

var _reactAddonsTransitionGroup2 = _interopRequireDefault(_reactAddonsTransitionGroup);

var _reactDom = require('react-dom');

var FirstChild = function FirstChild(_ref) {
	var children = _ref.children;

	var kids = _react.Children.toArray(children);
	return kids[0] || null;
};

var Portal = (function (_Component) {
	_inherits(Portal, _Component);

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

		_get(Object.getPrototypeOf(Portal.prototype), 'constructor', this).call(this);
		this.portalElement = null;
	}

	_createClass(Portal, [{
		key: 'componentDidMount',
		value: function componentDidMount() {
			var p = document.createElement('div');
			document.body.appendChild(p);
			this.portalElement = p;
			this.componentDidUpdate();
		}
	}, {
		key: 'componentDidUpdate',
		value: function componentDidUpdate() {
			(0, _reactDom.render)(_react2['default'].createElement(_reactAddonsTransitionGroup2['default'], _extends({}, this.props, { component: FirstChild })), this.portalElement);
		}
	}, {
		key: 'componentWillUnmount',
		value: function componentWillUnmount() {
			document.body.removeChild(this.portalElement);
		}
	}, {
		key: 'render',
		value: function render() {
			return null;
		}
	}]);

	return Portal;
})(_react.Component);

exports['default'] = Portal;

Portal.propTypes = {
	children: _react.PropTypes.element
};
module.exports = exports['default'];