import * as React from "react"

import * as MaskedInput from "react-maskedinput"

class Test extends React.Component<any, any> {

    public render () {
        return (
            <MaskedInput mask="111"
                         placeholderChar="X"
                         formatCharacter={
                            {
                                "a" : {
                                    validate: (char: string) => char,
                                    transform: (char: string) => char
                                }
                            }
                         } />
        )
    }

}