react-misc-toolbox
Version:
[ ] imageviewer | gradual scroll [ ] imageviewer | cancellable scroll
102 lines (73 loc) • 3.52 kB
JavaScript
Object.defineProperty(exports, "__esModule", {
value: true
});
var _getPrototypeOf = require('babel-runtime/core-js/object/get-prototype-of');
var _getPrototypeOf2 = _interopRequireDefault(_getPrototypeOf);
var _classCallCheck2 = require('babel-runtime/helpers/classCallCheck');
var _classCallCheck3 = _interopRequireDefault(_classCallCheck2);
var _createClass2 = require('babel-runtime/helpers/createClass');
var _createClass3 = _interopRequireDefault(_createClass2);
var _possibleConstructorReturn2 = require('babel-runtime/helpers/possibleConstructorReturn');
var _possibleConstructorReturn3 = _interopRequireDefault(_possibleConstructorReturn2);
var _inherits2 = require('babel-runtime/helpers/inherits');
var _inherits3 = _interopRequireDefault(_inherits2);
var _react = require('react');
var _react2 = _interopRequireDefault(_react);
var _propTypes = require('prop-types');
var _propTypes2 = _interopRequireDefault(_propTypes);
var _recompose = require('recompose');
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
var DetectVisibility = function (_React$Component) {
(0, _inherits3.default)(DetectVisibility, _React$Component);
function DetectVisibility() {
var _ref;
var _temp, _this, _ret;
(0, _classCallCheck3.default)(this, DetectVisibility);
for (var _len = arguments.length, args = Array(_len), _key = 0; _key < _len; _key++) {
args[_key] = arguments[_key];
}
return _ret = (_temp = (_this = (0, _possibleConstructorReturn3.default)(this, (_ref = DetectVisibility.__proto__ || (0, _getPrototypeOf2.default)(DetectVisibility)).call.apply(_ref, [this].concat(args))), _this), _this.state = {
bottomIsVisible: true
}, _this.handleScroll = function () {
var _this2 = _this,
_this2$props = _this2.props,
containerSelector = _this2$props.containerSelector,
isLocked = _this2$props.isLocked;
var containerElement = document.querySelector(containerSelector);
if (!isLocked) {
if (containerElement.getBoundingClientRect().bottom > 0) {
_this.setState({ bottomIsVisible: true });
} else {
_this.setState({ bottomIsVisible: false });
}
}
}, _this.componentDidMount = function () {
var _this3 = _this,
containerSelector = _this3.props.containerSelector;
var containerElement = document.querySelector(containerSelector);
if (containerElement.getBoundingClientRect().bottom > 0) {
_this.setState({ bottomIsVisible: true });
} else {
_this.setState({ bottomIsVisible: false });
}
typeof window !== 'undefined' && window.addEventListener('scroll', _this.handleScroll);
}, _this.componentWillUnmount = function () {
window.removeEventListener('scroll', _this.handleScroll);
}, _temp), (0, _possibleConstructorReturn3.default)(_this, _ret);
}
(0, _createClass3.default)(DetectVisibility, [{
key: 'render',
value: function render() {
var bottomIsVisible = this.state.bottomIsVisible,
children = this.props.children;
return children({ bottomIsVisible: bottomIsVisible });
}
}]);
return DetectVisibility;
}(_react2.default.Component);
DetectVisibility.propTypes = {
containerSelector: _propTypes2.default.string.isRequired
};
var enhance = (0, _recompose.compose)((0, _recompose.onlyUpdateForKeys)(['containerSelector']));
exports.default = enhance(DetectVisibility);
;