import React, { Component } from 'react';
import { Calendar } from 'react-date-range';

class MyComponent extends Component {
	handleSelect(date){
		console.log(date); // Momentjs object
	}

	render(){
		return (
			<div>
				<Calendar
					onInit={this.handleSelect}
					onChange={this.handleSelect}
				/>
			</div>
		)
	}
}

import React, { Component } from 'react';
import { DateRange } from 'react-date-range';

class MyComponent extends Component {
	handleSelect(range){
		console.log(range);
		// An object with two keys,
		// 'startDate' and 'endDate' which are Momentjs objects.
	}

	render(){
		return (
			<div>
				<DateRange
					onInit={this.handleSelect}
					onChange={this.handleSelect}
				/>
			</div>
		)
	}
}