update web project to .NET Core 3.1

1 files changed, 15 insertions, 0 deletions

diff --git a/src/SMAPI.Web/Framework/Extensions.cs b/src/SMAPI.Web/Framework/Extensions.cs
index e0da1424..96463233 100644
--- a/src/SMAPI.Web/Framework/Extensions.cs
+++ b/src/SMAPI.Web/Framework/Extensions.cs
@@ -1,8 +1,12 @@
 using System;
 using JetBrains.Annotations;
+using Microsoft.AspNetCore.Html;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.Mvc.Razor;
+using Microsoft.AspNetCore.Mvc.Rendering;
 using Microsoft.AspNetCore.Routing;
+using Newtonsoft.Json;
 
 namespace StardewModdingAPI.Web.Framework
 {
@@ -34,5 +38,16 @@ namespace StardewModdingAPI.Web.Framework
             }
             return url;
         }
+
+        /// <summary>Get a serialized JSON representation of the value.</summary>
+        /// <param name="page">The page to extend.</param>
+        /// <param name="value">The value to serialize.</param>
+        /// <returns>The serialized JSON.</returns>
+        /// <remarks>This bypasses unnecessary validation (e.g. not allowing null values) in <see cref="IJsonHelper.Serialize"/>.</remarks>
+        public static IHtmlContent ForJson(this RazorPageBase page, object value)
+        {
+            string json = JsonConvert.SerializeObject(value);
+            return new HtmlString(json);
+        }
     }
 }