Function: addToRange()

addToRange(date, initialRange, min, max, required): DateRange | undefined

Add a day to an existing range.

The returned range takes in account the undefined values and if the added day is already present in the range.

Parameters

Parameter	Type	Default value	Description
`date`	`Date`	`undefined`	The date to add to the range.
`initialRange`	`undefined` \| `DateRange`	`undefined`	The range where to add `date`.
`min`	`number`	`0`	-
`max`	`number`	`0`	-
`required`	`boolean`	`false`	-

DateRange | undefined