refactor(module:pageheader): insure rxjs 6 compatibility

Nicoss54 · Nicoss54 · commit e2588a027124 · 2025-03-16T14:17:51.000+01:00
diff --git a/components/page-header/page-header.component.ts b/components/page-header/page-header.component.ts
@@ -131,7 +131,7 @@ export class NzPageHeaderComponent implements AfterViewInit, OnDestroy, OnInit {
   }
 
   ngAfterViewInit(): void {
-    if (!this.nzBack.observed) {
+    if (!this.nzBack.observers.length) {
       this.enableBackButton = (this.location.getState() as NzSafeAny)?.navigationId > 1;
       this.location.subscribe(() => {
         this.enableBackButton = true;

Original file line number	Diff line number	Diff line change
`@@ -131,7 +131,7 @@ export class NzPageHeaderComponent implements AfterViewInit, OnDestroy, OnInit {`
`131`	`131`	`}`
`132`	`132`
`133`	`133`	`ngAfterViewInit(): void {`
`134`		`- if (!this.nzBack.observed) {`
	`134`	`+ if (!this.nzBack.observers.length) {`
`135`	`135`	`this.enableBackButton = (this.location.getState() as NzSafeAny)?.navigationId > 1;`
`136`	`136`	`this.location.subscribe(() => {`
`137`	`137`	`this.enableBackButton = true;`