• onSelect : the message to produce when an option is selected by the user
• onFocus : the message to focus an element by id string
• toString : function to get the option value as a string
• options: the list of options available
• selected: the value of the currently-selected option
• width: how to size the segmented control
• toUrl: a optional function that takes a route and returns the URL of that route. You should always use pass a toUrl function when the segmented control options correspond to routes in your SPA.

Creates a set of radio buttons styled to look like a segmented control.

• onSelect: the message to produce when an option is selected (clicked) by the user
• toString: function to get the radio value as a string
• options: the list of options available
• selected: if present, the value of the currently-selected option
• width: how to size the segmented control
• legend:
  • value read to screenreader users to explain the radio group's purpose https://dequeuniversity.com/rules/axe/3.3/radiogroup?application=axeAPI
  • after lowercasing & dashifying, this value is used to group the radio buttons together