react-conventions/lib/components/internal/RenderToLayer.js

An open source set of React components that implement Ambassador's Design and UX patterns.

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

var _reactDom2 = _interopRequireDefault(_reactDom);

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 RenderToLayer = function (_React$Component) {
  _inherits(RenderToLayer, _React$Component);

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

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

  _createClass(RenderToLayer, [{
    key: 'componentDidMount',
    value: function componentDidMount() {
      this.renderLayer();
    }
  }, {
    key: 'componentDidUpdate',
    value: function componentDidUpdate() {
      this.renderLayer();
    }
  }, {
    key: 'componentWillUnmount',
    value: function componentWillUnmount() {
      this.unrenderLayer();
    }
  }, {
    key: 'unrenderLayer',
    value: function unrenderLayer() {
      if (!this.layer) {
        return;
      }

      _reactDom2.default.unmountComponentAtNode(this.layer);
      document.body.removeChild(this.layer);
      this.layer = null;
    }
  }, {
    key: 'renderLayer',
    value: function renderLayer() {
      var _props = this.props,
          open = _props.open,
          render = _props.render;


      if (open) {
        if (!this.layer) {
          this.layer = document.createElement('div');
          document.body.appendChild(this.layer);
        }

        // By calling this method in componentDidMount() and
        // componentDidUpdate(), you're effectively creating a "wormhole" that
        // funnels React's hierarchical updates through to a DOM node on an
        // entirely different part of the page.

        var layerElement = render();
        this.layerElement = _reactDom2.default.unstable_renderSubtreeIntoContainer(this, layerElement, this.layer);
      } else {
        this.unrenderLayer();
      }
    }
  }, {
    key: 'render',
    value: function render() {
      return null;
    }
  }]);

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

RenderToLayer.propTypes = {
  open: _react2.default.PropTypes.bool.isRequired,
  render: _react2.default.PropTypes.func.isRequired
};
exports.default = RenderToLayer;