easy-react-google-maps

Easy react google maps is a react component for displaying markers and clusters on google maps.

Install:

npm install easy-react-google-maps --save

Sample code:

import React, { Component } from 'react';
import GMap from '../components/easy-react-google-maps';
 
/* The only required parameter is the coordinates of the map center.
Let's take facebook as an example. */
const center = {
    lat: 37.485187,
    lng: -122.1544192,
};
 
/* Style of the container. */
const style = {
    width: '640px',
    height: '480px',
};
 
/* Only lat and lng are required for marker objects.*/
const markers = [
    {
        lat: 37.485187,
    	lng: -122.1544192,
        title: 'Facebook',
    },
    {
        lat: 37.4828052,
    	lng: -122.1653971,
        title: 'Instagram',
    },
];
 
const keys = {
    key: YOUR_GOOGLE_API_KEY,
};
 
class Page extends Component {
    render() {
        return (
            <div style={style}>
                <GMap bootstrapURLKeys={keys} center={center} markers={markers} />
            </div>
        );
    }
}
 
export default Page;

The two markers will be displayed on the map.

If you zoom out, the two markers will become a cluster.

API:

Property	Type	Default	Description
center	object		Center of the map, required.
zoom	number	11	Zoom level.
markers	[{lat, lng}]	[]
clusterLimit	number	99	Number on the cluster will be displayed as limit+ (eg. 99+) when bigger than the limit.
clusterDensity	number	20	How close should two markers be merged as a cluster. (Range: 1 - 100)
markerComponent	ReactComponent		Your customized marker component.
clusterComponent	ReactComponent(num)		Your customized cluster component, should accept a number as property.
onChildClick	([{top, left, ...marker}]) => void		Will be invoked when a marker or cluster is clicked. Arguments are the markers with relative positions to the top-left of the map.
options	object	{}	Google maps options (eg. fullscreenControl, gestureHandling)