react-stickyfill/lib/index.js

React wrapper for Stickyfill library

"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);

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

var _propTypes2 = _interopRequireDefault(_propTypes);

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

var _reactDom2 = _interopRequireDefault(_reactDom);

require("Stickyfill");

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

function _objectWithoutProperties(obj, keys) { var target = {}; for (var i in obj) { if (keys.indexOf(i) >= 0) continue; if (!Object.prototype.hasOwnProperty.call(obj, i)) continue; target[i] = obj[i]; } return target; }

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; } /*global Stickyfill */


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

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

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

		_this.mediaMatch = function (media) {
			return window && window.matchMedia(media).matches;
		};

		_this.sticky = function (stick) {
			Stickyfill.add(stick);
			_this.setState({
				isSticky: true
			});
		};

		_this.unsticky = function (stick) {
			Stickyfill.remove(stick);
			_this.setState({
				isSticky: false
			});
		};

		_this.update = function () {
			Stickyfill.rebuild();
		};

		_this.handleResize = function () {
			if (_this.mediaMatch(_this.props.media)) {
				if (!_this.state.isSticky) {
					_this.sticky(_this.stick);
				}
			} else if (_this.state.isSticky) {
				_this.unsticky(_this.stick);
			}
		};

		_this.state = {
			isSticky: false
		};
		return _this;
	}

	_createClass(Sticker, [{
		key: "componentDidMount",
		value: function componentDidMount() {
			this.stick = _reactDom2.default.findDOMNode(this);
			if (this.props.media) {
				window && window.addEventListener('resize', this.handleResize);
				this.handleResize();
			} else {
				this.sticky(this.stick);
			}
		}
	}, {
		key: "componentWillUnmount",
		value: function componentWillUnmount() {
			if (this.props.media) {
				window && window.removeEventListener('resize', this.handleResize);
			}
			this.unsticky(this.stick);
		}
	}, {
		key: "componentWillReceiveProps",
		value: function componentWillReceiveProps(nextProps) {
			if (nextProps.forceUpdate !== this.props.forceUpdate) {
				this.update();
			}
		}
	}, {
		key: "componentDidUpdate",
		value: function componentDidUpdate() {
			this.update();
		}
	}, {
		key: "render",
		value: function render() {
			var _props = this.props,
			    children = _props.children,
			    otherProps = _objectWithoutProperties(_props, ["children"]);

			return typeof children.type === "function" ? _react2.default.cloneElement(this.props.children, _extends({}, otherProps)) : children;
		}
	}]);

	return Sticker;
}(_react.Component);

Sticker.propTypes = {
	media: _propTypes2.default.string,
	children: _propTypes2.default.oneOfType([_propTypes2.default.element, _propTypes2.default.func])
};
exports.default = Sticker;