index.js

import React from 'react';
import { StyleSheet, View, Text } from 'react-native';

import BaseComponent from './BaseComponent'

export default class Divider extends BaseComponent {
    static propTypes = {
        height: React.PropTypes.number,
        color: React.PropTypes.string,
        width: React.PropTypes.number
    }

    render() {
        const height = this.props.height
        const color = this.props.color

        const customDivider = {}
        _.assign(customDivider,
                 height ? { height: height } : {},
                 color ? { backgroundColor: color } : {},
                 this.props.width ? { width: this.props.width } : {}
                )

        return (
                <View style={StyleSheet.flatten([styles.divider, customDivider, this.props.style])}/>
        )
    }
}

const styles = {
    divider: {
        backgroundColor: '#D5D5D5',
        height: 0.5
    }
}