flights_web_raw/node_modules/backstopjs/examples/simpleReactApp/components/Map.js

const React = require('react');

const Map = React.createClass({

    componentDidMount() {
        // Only componentDidMount is called when the component is first added to
        // the page. This is why we are calling the following method manually.
        // This makes sure that our map initialization code is run the first time.

        this.componentDidUpdate();
    },

    componentDidUpdate() {
        if (this.lastLat == this.props.lat && this.lastLng == this.props.lng) {
            // The map has already been initialized at this address.
            // Return from this method so that we don't reinitialize it
            // (and cause it to flicker).

            return;
        }

        this.lastLat = this.props.lat;
        this.lastLng = this.props.lng;

        const map = new GMaps({
            el: '#map',
            lat: this.props.lat,
            lng: this.props.lng
        });

        // Adding a marker to the location we are showing

        map.addMarker({
            lat: this.props.lat,
            lng: this.props.lng
        });
    },

    render() {
        return (
            <div className="map-holder">
                <p>Loading...</p>
                <div id="map"></div>
            </div>
        );
    }

});

module.exports = Map;