feat(compat/storage): Adding list function (angular#2960)

Co-authored-by: Reuben Sivan <[email protected]>

Author: jamesdaniels

src/compat/storage/interfaces.ts

@@ -8,3 +8,4 @@ export type SettableMetadata = firebase.storage.SettableMetadata;
 export type Reference = firebase.storage.Reference;
 export type StringFormat = firebase.storage.StringFormat;
 export type ListResult = firebase.storage.ListResult;
+export type ListOptions = firebase.storage.ListOptions;

src/compat/storage/ref.ts

@@ -1,4 +1,4 @@
-import { ListResult, Reference, SettableMetadata, StringFormat, UploadMetadata } from './interfaces';
+import { ListOptions, ListResult, Reference, SettableMetadata, StringFormat, UploadMetadata } from './interfaces';
 import { AngularFireUploadTask, createUploadTask } from './task';
 import { from, Observable, of } from 'rxjs';
 import { observeOutsideAngular, keepUnstableUntilFirst } from '@angular/fire';
@@ -12,6 +12,7 @@ export interface AngularFireStorageReference {
   updateMetadata(meta: SettableMetadata): Observable<any>;
   put(data: any, metadata?: UploadMetadata | undefined): AngularFireUploadTask;
   putString(data: string, format?: string | undefined, metadata?: UploadMetadata | undefined): AngularFireUploadTask;
+  list(options?: ListOptions): Observable<ListResult>;
   listAll(): Observable<ListResult>;
 }
 
@@ -44,6 +45,7 @@ export function createStorageRef(
       const task = ref.putString(data, format, metadata);
       return createUploadTask(task);
     },
+    list: (options?: ListOptions) => from(ref.list(options)),
     listAll: () => from(ref.listAll())
   };
 }