NodeObservationDirective class

A base class for node observation.

Signature:

export declare abstract class NodeObservationDirective<T extends NodeBehaviorOptions> extends StatelessAttachedAttributeDirective<T>

Extends: StatelessAttachedAttributeDirective<T>

Remarks

Internally used by the SlottedDirective and the ChildrenDirective.

Property	Modifiers	Type	Description
id		string	The unique id of the factory.
targetNodeId		string	The structural id of the DOM node to which the created behavior will apply.

Method	Modifiers	Description
bind(controller)		Bind this behavior to the source.
computeNodes(target)	`protected`	Computes the set of nodes that should be assigned to the source property.
disconnect(target)	`protected` `abstract`	Disconnects observation of the nodes.
getNodes(target)	`protected` `abstract`	Retrieves the raw nodes that should be assigned to the source property.
getSource(target)	`protected`	Gets the data source for the target.
observe(target)	`protected` `abstract`	Begins observation of the nodes.
unbind(controller)		Unbinds this behavior from the source.
updateTarget(source, value)	`protected`	Updates the source property with the computed nodes.