export const numberUtils = { randomNumberInclusive : ( minimumSpecified , maximumSpecified ) : number => { const min = Math . ceil ( minimumSpecified ) ; const max = Math . floor ( maximumSpecified ) ; return Math . floor ( Math . random ( ) * ( max - min + 1 ) ) + min ; } , randomHexNumberOfLength : ( numberLength ) : string => { let res = '' ; for ( let i = 0 ; i < numberLength ; i ++ ) { res = `${ res }${ numberUtils . randomNumberInclusive ( 1 , 15 ) . toString ( 16 ) }` ; } return res ; } , } ;