IOS 11 Changing Calendar From Gregorian To Buddhist or Japanese, App get Crash when click on the date picker

[ArchanaUdaranga]

Issue

App get crash when changing Calendar to non-Gregorian (e.g. Buddhist, Japanese) in following iOS version,

iOS - 10.3.3 - not reproducible 12.0 - not reproducible 11.0.2 - reproducible

Xcode consol log output

Terminating app due to uncaught exception 'NSRangeException', reason: ' -[__NSArrayM objectAtIndex:]: index 9223372036854775807 beyond bounds [0 .. 1]'

Code

import React, {Component} from 'react';
import {View, Text} from 'react-native';
import DatePicker from 'react-native-datepicker'

class DatePickerComponent extends Component {
    constructor(props) {
        super(props)
        this.state = {
            val: null
        }
    }

    onDateChange(val) {
        this.setState({val})
        this.props.onDateChange(val)
    }

    render() {
        return <DatePicker
            style={{width: 200}}
            placeholder={"dd/mm/yyyy"}
            mode="date"
            date={this.state.val}
            format="DD/MM/YYYY"
            minDate="2018-09-01"
            maxDate="2018-10-01"
            confirmBtnText="Confirm"
            cancelBtnText="Cancel"
            customStyles={{
                dateIcon: {
                    position: 'absolute',
                    left: 0,
                    top: 4,
                    marginLeft: 0
                },
                dateInput: {
                    marginLeft: 36
                }
            }}
            onDateChange={this.onDateChange.bind(this)}
        />

    }
}

export default DatePickerComponent;

Environment

1. react-native -v: 0.43.3
2. react-native-datepicker : 1.4.7
3. node -v: v10.10.0
4. npm -v: 6.4.1
5. target platform: iOS
6. Xcode : 9.2