Explicit async/await implementations for previous implicit ones

FirebaseStorageSwift/Sources/AsyncAwait.swift

@@ -15,7 +15,7 @@
 import Foundation
 
 #if compiler(>=5.5) && canImport(_Concurrency)
-  @available(iOS 15, tvOS 15, macOS 12, watchOS 8, *)
+  @available(iOS 13, tvOS 13, macOS 10.15, watchOS 8, *)
   public extension StorageReference {
     /// Asynchronously downloads the object at the StorageReference to a Data object in memory.
     /// A Data object of the provided max size will be allocated, so ensure that the device has

FirebaseStorageSwift/Sources/StorageReference.swift

@@ -208,6 +208,19 @@ import FirebaseStorageObjC
     impl.downloadURL(completion: completion)
   }
 
+  #if compiler(>=5.5) && canImport(_Concurrency)
+    @available(iOS 13, tvOS 13, macOS 10.15, watchOS 8, *)
+    /**
+     * Asynchronously retrieves a long lived download URL with a revokable token.
+     * This can be used to share the file with others, but can be revoked by a developer
+     * in the Firebase Console.
+     * @returns completion The URL on success.
+     */
+    open func downloadURL() async throws -> URL {
+      return try await impl.downloadURL()
+    }
+  #endif // compiler(>=5.5) && canImport(_Concurrency)
+
   /**
    * Asynchronously downloads the object at the current path to a specified system filepath.
    * @param fileURL A file system URL representing the path the object should be downloaded to.
@@ -257,6 +270,24 @@ import FirebaseStorageObjC
     }
   }
 
+  #if compiler(>=5.5) && canImport(_Concurrency)
+    @available(iOS 13, tvOS 13, macOS 10.15, watchOS 8, *)
+    /**
+     * List all items (files) and prefixes (folders) under this StorageReference.
+     *
+     * This is a helper method for calling list() repeatedly until there are no more results.
+     * Consistency of the result is not guaranteed if objects are inserted or removed while this
+     * operation is executing. All results are buffered in memory.
+     *
+     * `listAll()` is only available for projects using Firebase Rules Version 2.
+     *
+     * @returns completion All items and prefixes under the current StorageReference.
+     */
+    open func listAll() async throws -> StorageListResult {
+      return try await StorageListResult(impl.listAll())
+    }
+  #endif // compiler(>=5.5) && canImport(_Concurrency)
+
   /**
    * List up to `maxResults` items (files) and prefixes (folders) under this StorageReference.
    *
@@ -327,6 +358,17 @@ import FirebaseStorageObjC
     }
   }
 
+  #if compiler(>=5.5) && canImport(_Concurrency)
+    @available(iOS 13, tvOS 13, macOS 10.15, watchOS 8, *)
+    /**
+     * Retrieves metadata associated with an object at the current path.
+     * @returns The object metadata on success.
+     */
+    open func getMetadata() async throws -> StorageMetadata {
+      return try await StorageMetadata(impl: impl.metadata())
+    }
+  #endif // compiler(>=5.5) && canImport(_Concurrency)
+
   /**
    * Updates the metadata associated with an object at the current path.
    * @param metadata An StorageMetadata object with the metadata to update.
@@ -343,6 +385,18 @@ import FirebaseStorageObjC
     }
   }
 
+  #if compiler(>=5.5) && canImport(_Concurrency)
+    @available(iOS 13, tvOS 13, macOS 10.15, watchOS 8, *)
+    /**
+     * Updates the metadata associated with an object at the current path.
+     * @param metadata An StorageMetadata object with the metadata to update.
+     * @returns The object metadata on success.
+     */
+    open func updateMetadata(_ metadata: StorageMetadata) async throws -> StorageMetadata {
+      return try await StorageMetadata(impl: impl.update(metadata.impl))
+    }
+  #endif // compiler(>=5.5) && canImport(_Concurrency)
+
   private func adaptMetadataCallback(completion: @escaping (StorageMetadata?, Error?) -> Void) ->
     (_: FIRIMPLStorageMetadata?, _: Error?)
     -> Void {
@@ -366,6 +420,16 @@ import FirebaseStorageObjC
     impl.delete(completion: completion)
   }
 
+  #if compiler(>=5.5) && canImport(_Concurrency)
+    @available(iOS 13, tvOS 13, macOS 10.15, watchOS 8, *)
+    /**
+     * Deletes the object at the current path.
+     */
+    open func delete() async throws {
+      return try await impl.delete()
+    }
+  #endif // compiler(>=5.5) && canImport(_Concurrency)
+
   // MARK: - NSObject overrides
 
   @objc open func copy(_ zone: NSZone) -> StorageReference {

FirebaseStorageSwift/Tests/Integration/StorageAsyncAwait.swift

@@ -17,8 +17,8 @@ import FirebaseCore
 import FirebaseStorage
 import XCTest
 
-#if swift(>=5.9)
-  @available(iOS 15, *)
+#if swift(>=5.5) && canImport(_Concurrency)
+  @available(iOS 13.0, macOS 10.15, macCatalyst 13.0, tvOS 13.0, watchOS 6.0, *)
   class StorageAsyncAwait: StorageIntegrationCommon {
     func testGetMetadata() async throws {
       let ref = storage.reference().child("ios/public/1mb2")