react-grid-layout/build/components/WidthProvider.js

A draggable and resizable grid layout with responsive breakpoints, for React.

"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

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

var React = _interopRequireWildcard(require("react"));

var _propTypes = _interopRequireDefault(require("prop-types"));

var _classnames = _interopRequireDefault(require("classnames"));

function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

function _extends() { _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; }; return _extends.apply(this, arguments); }

function _objectWithoutProperties(source, excluded) { if (source == null) return {}; var target = _objectWithoutPropertiesLoose(source, excluded); var key, i; if (Object.getOwnPropertySymbols) { var sourceSymbolKeys = Object.getOwnPropertySymbols(source); for (i = 0; i < sourceSymbolKeys.length; i++) { key = sourceSymbolKeys[i]; if (excluded.indexOf(key) >= 0) continue; if (!Object.prototype.propertyIsEnumerable.call(source, key)) continue; target[key] = source[key]; } } return target; }

function _objectWithoutPropertiesLoose(source, excluded) { if (source == null) return {}; var target = {}; var sourceKeys = Object.keys(source); var key, i; for (i = 0; i < sourceKeys.length; i++) { key = sourceKeys[i]; if (excluded.indexOf(key) >= 0) continue; target[key] = source[key]; } return target; }

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a 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); } }

function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }

function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function"); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, writable: true, configurable: true } }); if (superClass) _setPrototypeOf(subClass, superClass); }

function _setPrototypeOf(o, p) { _setPrototypeOf = Object.setPrototypeOf || function _setPrototypeOf(o, p) { o.__proto__ = p; return o; }; return _setPrototypeOf(o, p); }

function _createSuper(Derived) { var hasNativeReflectConstruct = _isNativeReflectConstruct(); return function _createSuperInternal() { var Super = _getPrototypeOf(Derived), result; if (hasNativeReflectConstruct) { var NewTarget = _getPrototypeOf(this).constructor; result = Reflect.construct(Super, arguments, NewTarget); } else { result = Super.apply(this, arguments); } return _possibleConstructorReturn(this, result); }; }

function _possibleConstructorReturn(self, call) { if (call && (_typeof(call) === "object" || typeof call === "function")) { return call; } return _assertThisInitialized(self); }

function _assertThisInitialized(self) { if (self === void 0) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return self; }

function _isNativeReflectConstruct() { if (typeof Reflect === "undefined" || !Reflect.construct) return false; if (Reflect.construct.sham) return false; if (typeof Proxy === "function") return true; try { Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], function () {})); return true; } catch (e) { return false; } }

function _getPrototypeOf(o) { _getPrototypeOf = Object.setPrototypeOf ? Object.getPrototypeOf : function _getPrototypeOf(o) { return o.__proto__ || Object.getPrototypeOf(o); }; return _getPrototypeOf(o); }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

var layoutClassName = "react-grid-layout";
/*
 * A simple HOC that provides facility for listening to container resizes.
 *
 * The Flow type is pretty janky here. I can't just spread `WPProps` into this returned object - I wish I could - but it triggers
 * a flow bug of some sort that causes it to stop typechecking.
 */

function WidthProvideRGL
/*:: <Config>*/
(ComposedComponent
/*: React.AbstractComponent<Config>*/
)
/*: React.AbstractComponent<ComposedProps<Config>>*/
{
  var _class, _temp;

  return _temp = _class = /*#__PURE__*/function (_React$Component) {
    _inherits(WidthProvider, _React$Component);

    var _super = _createSuper(WidthProvider);

    function WidthProvider() {
      var _this;

      _classCallCheck(this, WidthProvider);

      for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
        args[_key] = arguments[_key];
      }

      _this = _super.call.apply(_super, [this].concat(args));

      _defineProperty(_assertThisInitialized(_this), "state", {
        width: 1280
      });

      _defineProperty(_assertThisInitialized(_this), "elementRef", /*#__PURE__*/React.createRef());

      _defineProperty(_assertThisInitialized(_this), "mounted", false);

      _defineProperty(_assertThisInitialized(_this), "onWindowResize", function () {
        if (!_this.mounted) return;
        var node = _this.elementRef.current; // Flow casts this to Text | Element
        // fix: grid position error when node or parentNode display is none by window resize
        // #924 #1084

        if (node instanceof HTMLElement && node.offsetWidth) {
          _this.setState({
            width: node.offsetWidth
          });
        }
      });

      return _this;
    }

    _createClass(WidthProvider, [{
      key: "componentDidMount",
      value: function componentDidMount() {
        this.mounted = true;
        window.addEventListener("resize", this.onWindowResize); // Call to properly set the breakpoint and resize the elements.
        // Note that if you're doing a full-width element, this can get a little wonky if a scrollbar
        // appears because of the grid. In that case, fire your own resize event, or set `overflow: scroll` on your body.

        this.onWindowResize();
      }
    }, {
      key: "componentWillUnmount",
      value: function componentWillUnmount() {
        this.mounted = false;
        window.removeEventListener("resize", this.onWindowResize);
      }
    }, {
      key: "render",
      value: function render() {
        var _this$props = this.props,
            measureBeforeMount = _this$props.measureBeforeMount,
            rest = _objectWithoutProperties(_this$props, ["measureBeforeMount"]);

        if (measureBeforeMount && !this.mounted) {
          return /*#__PURE__*/React.createElement("div", {
            className: (0, _classnames.default)(this.props.className, layoutClassName),
            style: this.props.style // $FlowIgnore ref types
            ,
            ref: this.elementRef
          });
        }

        return /*#__PURE__*/React.createElement(ComposedComponent, _extends({
          innerRef: this.elementRef
        }, rest, this.state));
      }
    }]);

    return WidthProvider;
  }(React.Component), _defineProperty(_class, "defaultProps", {
    measureBeforeMount: false
  }), _defineProperty(_class, "propTypes", {
    // If true, will not render children until mounted. Useful for getting the exact width before
    // rendering, to prevent any unsightly resizing.
    measureBeforeMount: _propTypes.default.bool
  }), _temp;
}