fix(cdk/tree): fix nested nodes not rendering children

BobobUnicorn · BobobUnicorn · commit 04c91fc65269 · 2022-05-17T14:25:21.000-04:00
diff --git a/src/cdk/tree/nested-node.ts b/src/cdk/tree/nested-node.ts
@@ -79,8 +79,11 @@ export class CdkNestedTreeNode<T, K = T>
     } else if (isObservable(childrenNodes)) {
       childrenNodes
         .pipe(takeUntil(this._destroyed))
-        .subscribe(() => this.updateChildrenNodes());
+        .subscribe(result => this.updateChildrenNodes(result));
     }
+    this.nodeOutlet.changes
+      .pipe(takeUntil(this._destroyed))
+      .subscribe(() => this.updateChildrenNodes());
   }
 
   // This is a workaround for https://github.com/angular/angular/issues/23091

Original file line number	Diff line number	Diff line change
`@@ -79,8 +79,11 @@ export class CdkNestedTreeNode<T, K = T>`
`79`	`79`	`} else if (isObservable(childrenNodes)) {`
`80`	`80`	`childrenNodes`
`81`	`81`	`.pipe(takeUntil(this._destroyed))`
`82`		`- .subscribe(() => this.updateChildrenNodes());`
	`82`	`+ .subscribe(result => this.updateChildrenNodes(result));`
`83`	`83`	`}`
	`84`	`+ this.nodeOutlet.changes`
	`85`	`+ .pipe(takeUntil(this._destroyed))`
	`86`	`+ .subscribe(() => this.updateChildrenNodes());`
`84`	`87`	`}`
`85`	`88`
`86`	`89`	`// This is a workaround for https://github.com/angular/angular/issues/23091`