Method collapseDescendants

src/cdk/tree/control/tree-control.ts:54–54

Collapse a data node and all its descendants

(dataNode: T)

  /** Collapse a data node and all its descendants */
  collapseDescendants(dataNode: T): void;

  /** Get depth of a given data node, return the level number. This is for flat tree node. */
  readonly getLevel: (dataNode: T) => number;