How can I get to display only Year and Month (No days) using dateInput or dateRangeInput

[Nelson Vega]

Hi ! I'm newbie in Shiny.  In dateInput or dateRangeInput, whenever the user clicks on the date input field, the user will be displayed the months and then on clicking any month the user is displayed the days of the month. I want the users to select only the months for a particular year. I want the user to be displayed till the months. If the user clicks on the month, the days should not be displayed. 

Thanks in advance for your support.