ep-react-ui/build/components/InView/InvIew.js

EP react UI elements.

'use strict';

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

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 _classnames = require('classnames');

var _classnames2 = _interopRequireDefault(_classnames);

var _inView = require('in-view');

var _inView2 = _interopRequireDefault(_inView);

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; } /**
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                * InView component
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                */


var InView = function (_PureComponent) {
    _inherits(InView, _PureComponent);

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

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

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

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

            var _props = this.props,
                uniqId = _props.uniqId,
                isOnce = _props.isOnce,
                onInView = _props.onInView,
                onOutView = _props.onOutView;


            var inviewObj = (0, _inView2.default)('#' + uniqId);
            if (isOnce) {
                inviewObj.once('enter', function () {
                    _this2.setState({ isInView: true });
                    onInView();
                });
            } else {
                inviewObj.on('enter', function () {
                    _this2.setState({ isInView: true });
                    onInView();
                }).on('exit', function () {
                    _this2.setState({ isInView: false });
                    onOutView();
                });
            }
        }
    }, {
        key: 'render',
        value: function render() {
            var _props2 = this.props,
                children = _props2.children,
                className = _props2.className,
                uniqId = _props2.uniqId;
            var isInView = this.state.isInView;


            return _react2.default.createElement(
                'div',
                {
                    id: uniqId,
                    className: (0, _classnames2.default)('InView', className, { '__inview': isInView })
                },
                children
            );
        }
    }]);

    return InView;
}(_react.PureComponent);

InView.propTypes = {
    uniqId: _propTypes2.default.string.isRequired, // unique ID for InView to work
    isOnce: _propTypes2.default.bool, // trigger once only, (onOutView won't be created)
    onInView: _propTypes2.default.func, // trigger when element inview
    onOutView: _propTypes2.default.func
};
InView.defaultProps = {
    isOnce: true,
    onInView: function onInView() {},
    onOutView: function onOutView() {}
};
exports.default = InView;