Automatically choose left or right based on available space, defaulting to anchoring on the left side.
This is the default anchor for ViraPopUpTrigger.
Restrict the pop-up on both sides.
The left side of the pop-up will be anchored to the left side of the trigger, allowing the pop-up to grow on the right side of the trigger.
The Right side of the pop-up will be anchored to the right side of the trigger, allowing the pop-up to grow on the left side of the trigger.
Anchor options for pop-ups.