| export enum NodeMutationType { |
| * The node was found during initial discovery. |
| * The node has been added. |
| export interface NodeMutation { |
| * Which mutation has occurred to the node. |
| * MutationRecord from which this node mutation has been extracted. It is null |
| * if the type is {@link NodeMutationType.InitialDiscovery}. |
| mutationRecord: MutationRecord | null; |
| export interface NodeWatcherHandler { |
| * Only node mutations which pass this filter (it returns true) will be passed |
| * to {@link onMutatedNode}. |
| nodeFilter: (nodeMutation: NodeMutation) => boolean; |
| * Optional CSS selector used to discover nodes existing prior to the handler |
| * being established. These matching nodes will be evaluated by |
| * {@link onMutatedNode} if they pass {@link nodeFilter}. |
| * This is useful when watching an node but it has already been created. |
| initialDiscoverySelector?: string; |
| * Function which will be called with each of the filtered node mutations. |
| onMutatedNode: (nodeMutation: NodeMutation) => void; |