react-portal/es/LegacyPortal.js

To make your life with React Portals easier.

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; }

// This file is a fallback for a consumer who is not yet on React 16
// as createPortal was introduced in React 16

import React from 'react';
import ReactDOM from 'react-dom';
import PropTypes from 'prop-types';

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

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

    return _possibleConstructorReturn(this, (Portal.__proto__ || Object.getPrototypeOf(Portal)).apply(this, arguments));
  }

  _createClass(Portal, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      this.renderPortal();
    }
  }, {
    key: 'componentDidUpdate',
    value: function componentDidUpdate(props) {
      this.renderPortal();
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      ReactDOM.unmountComponentAtNode(this.defaultNode || this.props.node);
      if (this.defaultNode) {
        document.body.removeChild(this.defaultNode);
      }
      this.defaultNode = null;
      this.portal = null;
    }
  }, {
    key: 'renderPortal',
    value: function renderPortal(props) {
      if (!this.props.node && !this.defaultNode) {
        this.defaultNode = document.createElement('div');
        document.body.appendChild(this.defaultNode);
      }

      var children = this.props.children;
      // https://gist.github.com/jimfb/d99e0678e9da715ccf6454961ef04d1b
      if (typeof this.props.children.type === 'function') {
        children = React.cloneElement(this.props.children);
      }

      this.portal = ReactDOM.unstable_renderSubtreeIntoContainer(this, children, this.props.node || this.defaultNode);
    }
  }, {
    key: 'render',
    value: function render() {
      return null;
    }
  }]);

  return Portal;
}(React.Component);

export default Portal;


Portal.propTypes = {
  children: PropTypes.node.isRequired,
  node: PropTypes.any
};