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docs(material/tree): add a description of the when predicate #21545

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Jan 12, 2021
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docs(material/tree): add a description of the when predicate #21545

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5 changes: 3 additions & 2 deletions src/material/tree/node.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -82,6 +82,7 @@ export class MatTreeNode<T, K = T> extends _MatTreeNodeMixinBase<T, K>

/**
* Wrapper for the CdkTree node definition with Material design styles.
* Captures the node's template and a when predicate that describes when this node should be used.
*/
@Directive({
selector: '[matTreeNodeDef]',
Expand Down Expand Up @@ -139,9 +140,9 @@ export class MatNestedTreeNode<T, K = T> extends CdkNestedTreeNode<T, K>
this._elementRef.nativeElement.classList.add('mat-nested-tree-node');
}

// This is a workaround for https://github.com/angular/angular/issues/23091
// This is a workaround for https://github.com/angular/angular/issues/19145
// In aot mode, the lifecycle hooks from parent class are not called.
// TODO(tinayuangao): Remove when the angular issue #23091 is fixed
// TODO(tinayuangao): Remove when the angular issue #19145 is fixed
ngOnInit() {
super.ngOnInit();
}
Expand Down