From 6069a897588812da5f895e7c4a982f14732c1c48 Mon Sep 17 00:00:00 2001
From: Javier Calvarro Nelson <jacalvar@microsoft.com>
Date: Tue, 2 Jul 2019 19:21:16 +0200
Subject: [PATCH] Add InvokeAsync with cancellation token overload to
 IJSRuntime (dotnet/extensions#1915)

Adds the InvokeAsync with cancellation token overload to IJSRuntime\n\nCommit migrated from https://github.com/dotnet/extensions/commit/55f0b77464408036d99c4fbdd2465ea3e38a4e9b
---
 .../ref/Microsoft.JSInterop.netstandard2.0.cs       |  1 +
 src/JSInterop/Microsoft.JSInterop/src/IJSRuntime.cs | 13 ++++++++++++-
 .../Microsoft.JSInterop/test/JSRuntimeTest.cs       |  5 +++++
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/src/JSInterop/Microsoft.JSInterop/ref/Microsoft.JSInterop.netstandard2.0.cs b/src/JSInterop/Microsoft.JSInterop/ref/Microsoft.JSInterop.netstandard2.0.cs
index b0f187bcd1..ad95b7342b 100644
--- a/src/JSInterop/Microsoft.JSInterop/ref/Microsoft.JSInterop.netstandard2.0.cs
+++ b/src/JSInterop/Microsoft.JSInterop/ref/Microsoft.JSInterop.netstandard2.0.cs
@@ -32,6 +32,7 @@ namespace Microsoft.JSInterop
     }
     public partial interface IJSRuntime
     {
+        System.Threading.Tasks.Task<TValue> InvokeAsync<TValue>(string identifier, System.Collections.Generic.IEnumerable<object> args, System.Threading.CancellationToken cancellationToken = default(System.Threading.CancellationToken));
         System.Threading.Tasks.Task<TValue> InvokeAsync<TValue>(string identifier, params object[] args);
     }
     public partial class JSException : System.Exception
diff --git a/src/JSInterop/Microsoft.JSInterop/src/IJSRuntime.cs b/src/JSInterop/Microsoft.JSInterop/src/IJSRuntime.cs
index 97713bb3c1..d7ee372a73 100644
--- a/src/JSInterop/Microsoft.JSInterop/src/IJSRuntime.cs
+++ b/src/JSInterop/Microsoft.JSInterop/src/IJSRuntime.cs
@@ -1,7 +1,8 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using System;
+using System.Collections.Generic;
+using System.Threading;
 using System.Threading.Tasks;
 
 namespace Microsoft.JSInterop
@@ -19,5 +20,15 @@ namespace Microsoft.JSInterop
         /// <param name="args">JSON-serializable arguments.</param>
         /// <returns>An instance of <typeparamref name="TValue"/> obtained by JSON-deserializing the return value.</returns>
         Task<TValue> InvokeAsync<TValue>(string identifier, params object[] args);
+
+        /// <summary>
+        /// Invokes the specified JavaScript function asynchronously.
+        /// </summary>
+        /// <typeparam name="TValue">The JSON-serializable return type.</typeparam>
+        /// <param name="identifier">An identifier for the function to invoke. For example, the value <code>"someScope.someFunction"</code> will invoke the function <code>window.someScope.someFunction</code>.</param>
+        /// <param name="args">JSON-serializable arguments.</param>
+        /// <param name="cancellationToken">A cancellation token to signal the cancellation of the operation.</param>
+        /// <returns>An instance of <typeparamref name="TValue"/> obtained by JSON-deserializing the return value.</returns>
+        Task<TValue> InvokeAsync<TValue>(string identifier, IEnumerable<object> args, CancellationToken cancellationToken = default);
     }
 }
diff --git a/src/JSInterop/Microsoft.JSInterop/test/JSRuntimeTest.cs b/src/JSInterop/Microsoft.JSInterop/test/JSRuntimeTest.cs
index ca8c96df60..f2fab5d741 100644
--- a/src/JSInterop/Microsoft.JSInterop/test/JSRuntimeTest.cs
+++ b/src/JSInterop/Microsoft.JSInterop/test/JSRuntimeTest.cs
@@ -2,7 +2,9 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
+using System.Collections.Generic;
 using System.Linq;
+using System.Threading;
 using System.Threading.Tasks;
 using Xunit;
 
@@ -29,6 +31,9 @@ namespace Microsoft.JSInterop.Tests
         {
             public Task<T> InvokeAsync<T>(string identifier, params object[] args)
                 => throw new NotImplementedException();
+
+            public Task<TValue> InvokeAsync<TValue>(string identifier, IEnumerable<object> args, CancellationToken cancellationToken = default) =>
+                throw new NotImplementedException();
         }
     }
 }