react-emergence/dist/EmergeContainer.js

React wrapper for detecting element visibility in the browser

'use strict';

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

var _extends2 = require('babel-runtime/helpers/extends');

var _extends3 = _interopRequireDefault(_extends2);

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 _emergence = require('emergence.js');

var _emergence2 = _interopRequireDefault(_emergence);

var _classnames = require('classnames');

var _classnames2 = _interopRequireDefault(_classnames);

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

var EmergeContainer = function (_Component) {
    (0, _inherits3.default)(EmergeContainer, _Component);

    function EmergeContainer(props) {
        (0, _classCallCheck3.default)(this, EmergeContainer);

        var _this = (0, _possibleConstructorReturn3.default)(this, (EmergeContainer.__proto__ || (0, _getPrototypeOf2.default)(EmergeContainer)).call(this, props));

        _this.state = {
            containerRef: void 0
        };

        if (props.useWindowAsContainer) {
            _emergence2.default.init(props.args);
        }

        _this.setContainerRef = _this.setContainerRef.bind(_this);
        return _this;
    }

    (0, _createClass3.default)(EmergeContainer, [{
        key: 'setContainerRef',
        value: function setContainerRef(el) {
            if (el && !this.state.containerRef) {
                var args = this.props.args;


                this.setState({ containerRef: el });

                _emergence2.default.init((0, _extends3.default)({}, args, { container: el, callback: function callback(el, state) {
                        return console.log(el, state);
                    } }));
            }
        }
    }, {
        key: 'render',
        value: function render() {
            var _props = this.props,
                useWindowAsContainer = _props.useWindowAsContainer,
                children = _props.children,
                className = _props.className;


            if (useWindowAsContainer) {
                return children;
            }

            return _react2.default.createElement(
                'div',
                { className: (0, _classnames2.default)('emerge-container', className), ref: this.setContainerRef },
                children
            );
        }
    }]);
    return EmergeContainer;
}(_react.Component);

exports.default = EmergeContainer;


EmergeContainer.propTypes = {
    className: _propTypes2.default.string,
    children: _propTypes2.default.node.isRequired,
    useWindowAsContainer: _propTypes2.default.bool,
    args: _propTypes2.default.shape({
        reset: _propTypes2.default.bool,
        handheld: _propTypes2.default.bool,
        throttle: _propTypes2.default.number,
        elemCushion: _propTypes2.default.number,
        offsetTop: _propTypes2.default.number,
        offsetRight: _propTypes2.default.number,
        offsetBottom: _propTypes2.default.number,
        offsetLeft: _propTypes2.default.number,
        callback: _propTypes2.default.func
    })
};

EmergeContainer.defaultProps = {
    args: {},
    useWindowAsContainer: false,
    className: void 0
};