Resizable.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 _react = require("react");

var _react2 = _interopRequireDefault(_react);

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; } /**
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                *  Copyright (c) 2015-present, The Regents of the University of California,
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                *  through Lawrence Berkeley National Laboratory (subject to receipt
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                *  of any required approvals from the U.S. Dept. of Energy).
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                *  All rights reserved.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                *
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                *  This source code is licensed under the BSD-style license found in the
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                *  LICENSE file in the root directory of this source tree.
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                */

/**
 * This takes a single child and inserts a prop 'width' on it that is the
 * current width of the this container. This is handy if you want to surround
 * a chart or other svg diagram and have this drive the chart width.
 */
var Resizable = function (_React$Component) {
  _inherits(Resizable, _React$Component);

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

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

    _this.state = { width: 0 };
    return _this;
  }

  _createClass(Resizable, [{
    key: "componentDidMount",
    value: function componentDidMount() {
      var _this2 = this;

      window.addEventListener("resize", function () {
        return _this2.handleResize();
      });
      this.handleResize();
    }
  }, {
    key: "componentWillUnmount",
    value: function componentWillUnmount() {
      var _this3 = this;

      window.removeEventListener("resize", function () {
        return _this3.handleResize();
      });
    }
  }, {
    key: "handleResize",
    value: function handleResize() {
      if (this.container) {
        this.setState({
          width: this.container.offsetWidth
        });
      }
    }
  }, {
    key: "render",
    value: function render() {
      var _this4 = this;

      var child = _react2.default.Children.only(this.props.children);
      var childElement = this.state.width ? _react2.default.cloneElement(child, { width: this.state.width }) : null;
      return _react2.default.createElement(
        "div",
        _extends({
          ref: function ref(c) {
            _this4.container = c;
          }
        }, this.props),
        childElement
      );
    }
  }]);

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

exports.default = Resizable;


Resizable.propTypes = {
  children: _react2.default.PropTypes.node
};