Document active prop

Author: colebemis

docs/content/ActionList.mdx

@@ -297,6 +297,12 @@ render(<SelectFields />)
     defaultValue="false"
     description="Indicate whether the item is selected. Only applies to items that can be selected."
   />
+  <PropsTableRow
+    name="active"
+    type="boolean"
+    defaultValue="false"
+    description="Indicate whether the item is active. There should never be more than one active item."
+  />
   <PropsTableRow
     name="disabled"
     type="boolean"
@@ -325,6 +331,12 @@ render(<SelectFields />)
     required
     type="React.ReactNode | ActionList.LeadingVisual | ActionList.Description | ActionList.TrailingVisual"
   />
+  <PropsTableRow
+    name="active"
+    type="boolean"
+    defaultValue="false"
+    description="Indicate whether the item is active. There should never be more than one active item."
+  />
   <PropsTableBasePropRows
     elementType="a"
     isPolymorphic

src/ActionList/Item.tsx

@@ -55,7 +55,9 @@ export type ActionListItemProps = {
    * Is the `Item` is currently selected?
    */
   selected?: boolean
-  // TODO: Document `active` prop
+  /**
+   * Indicate whether the item is active. There should never be more than one active item.
+   */
   active?: boolean
   /**
    * Style variations associated with various `Item` types.