blockly > Navigator > transitionAllowed

Navigator.transitionAllowed() method

Determines whether navigation is allowed between two nodes.

Signature:

protected transitionAllowed(current: IFocusableNode, candidate: IFocusableNode, direction: NavigationDirection): boolean;

Parameters

Parameter	Type	Description
current	IFocusableNode	The starting node for proposed navigation.
candidate	IFocusableNode	The proposed destination node.
direction	NavigationDirection	The direction in which the user is navigating.

Returns:

boolean

True if navigation should be allowed to proceed, or false to find a different candidate.