fix: update to rxjs 7 (#1280)

Updates to rxjs 7 to fix the deployment and keep us up to date.

Author: crisbeto

material.angular.io/package.json

@@ -53,7 +53,7 @@
     "@stackblitz/sdk": "^1.5.2",
     "moment": "^2.29.1",
     "path-normalize": "^6.0.7",
-    "rxjs": "^6.6.7",
+    "rxjs": "^7.8.1",
     "tslib": "^2.3.0",
     "zone.js": "~0.14.10"
   },

material.angular.io/src/app/pages/component-viewer/component-viewer.ts

@@ -49,7 +49,7 @@ import {ExampleViewer} from '../../shared/example-viewer/example-viewer';
 export class ComponentViewer implements OnDestroy {
   componentDocItem = new ReplaySubject<DocItem>(1);
   sections: Set<string> = new Set(['overview', 'api']);
-  private _destroyed = new Subject();
+  private _destroyed = new Subject<void>();
 
   constructor(_route: ActivatedRoute, private router: Router,
               public _componentPageTitle: ComponentPageTitle,
@@ -98,7 +98,7 @@ export class ComponentBaseView implements OnInit, OnDestroy {
   readonly viewers = viewChildren(DocViewer);
 
   showToc: Observable<boolean>;
-  private _destroyed = new Subject();
+  private _destroyed = new Subject<void>();
 
   constructor(
     public componentViewer: ComponentViewer,

material.angular.io/src/app/shared/stack-blitz/stack-blitz-writer.ts

@@ -1,8 +1,8 @@
 import {HttpClient} from '@angular/common/http';
 import {Injectable, NgZone} from '@angular/core';
 import {EXAMPLE_COMPONENTS, ExampleData} from '@angular/components-examples';
-import {Observable} from 'rxjs';
-import {shareReplay, take} from 'rxjs/operators';
+import {Observable, firstValueFrom} from 'rxjs';
+import {shareReplay} from 'rxjs/operators';
 
 import stackblitz from '@stackblitz/sdk';
 
@@ -169,8 +169,7 @@ export class StackBlitzWriter {
       this._fileCache.set(fileUrl, stream);
     }
 
-    // The `take(1)` is necessary, because the Promise from `toPromise` resolves on complete.
-    return stream.pipe(take(1)).toPromise();
+    return firstValueFrom(stream);
   }
 
   /**

material.angular.io/yarn.lock

@@ -12771,7 +12771,7 @@ __metadata:
     path-normalize: "npm:^6.0.7"
     protractor: "npm:^7.0.0"
     puppeteer: "npm:~21.1.0"
-    rxjs: "npm:^6.6.7"
+    rxjs: "npm:^7.8.1"
     sass: "npm:^1.70.0"
     shelljs: "npm:^0.8.4"
     ts-node: "npm:^8.10.2"
@@ -15763,7 +15763,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"rxjs@npm:7.8.1, rxjs@npm:^7.5.5":
+"rxjs@npm:7.8.1, rxjs@npm:^7.5.5, rxjs@npm:^7.8.1":
   version: 7.8.1
   resolution: "rxjs@npm:7.8.1"
   dependencies:
@@ -15772,15 +15772,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"rxjs@npm:^6.6.7":
-  version: 6.6.7
-  resolution: "rxjs@npm:6.6.7"
-  dependencies:
-    tslib: "npm:^1.9.0"
-  checksum: 10c0/e556a13a9aa89395e5c9d825eabcfa325568d9c9990af720f3f29f04a888a3b854f25845c2b55875d875381abcae2d8100af9cacdc57576e7ed6be030a01d2fe
-  languageName: node
-  linkType: hard
-
 "safe-array-concat@npm:^1.1.2":
   version: 1.1.2
   resolution: "safe-array-concat@npm:1.1.2"
@@ -17420,7 +17411,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"tslib@npm:^1.8.1, tslib@npm:^1.9.0, tslib@npm:^1.9.3":
+"tslib@npm:^1.8.1, tslib@npm:^1.9.3":
   version: 1.14.1
   resolution: "tslib@npm:1.14.1"
   checksum: 10c0/69ae09c49eea644bc5ebe1bca4fa4cc2c82b7b3e02f43b84bd891504edf66dbc6b2ec0eef31a957042de2269139e4acff911e6d186a258fb14069cd7f6febce2