function
 
createStyleObject
(
classNames
,
 style
)
 
{

  
return
 classNames
.
reduce
(
(
styleObject
,
 className
)
 
=>
 
{

    
return
 
{
...
styleObject
,
 
...
style
[
className
]
}
;

  
}
,
 
{
}
)
;

}

function
 
createClassNameString
(
classNames
)
 
{

  
return
 classNames
.
join
(
' '
)
;

}