nl_tokens: Component will receive date locale and localeUtils props
pl_tokens: function YearMonthForm ( { date , localeUtils , onChange , fromMonth , toMonth } ) { const months = localeUtils . getMonths ( ) ; const years = [ ] ; for ( let i = fromMonth . getFullYear ( ) ; i <= toMonth . getFullYear ( ) ; i += 1 ) { years . push ( i ) ; } const handleChange = function handleChange ( e ) { const { year , month } = e . target . form ; onChange ( new Date ( year . value , month . value ) ) ; } ; return ( < form className = "DayPicker-Caption" > < select name = "month" onChange = { handleChange } value = { date . getMonth ( ) } > { months . map ( ( <mask> , i ) => < option key = { i } value = { i } > { month } < / option > ) } < / select > < select name = "year" onChange = { handleChange } value = { date . getFullYear ( ) } > { years . map ( ( year , i ) => < option key = { i } value = { year } > { year } < / option > ) } < / select > < / form > ) ; }