- tweak: refactor funny

Nebula.Shared/Utils/Helper.cs

@@ -0,0 +1,37 @@
+using System.Diagnostics;
+using System.Runtime.InteropServices;
+using System.Text.Json;
+
+namespace Nebula.Shared.Utils;
+
+public static class Helper
+{
+    public static readonly JsonSerializerOptions JsonWebOptions = new(JsonSerializerDefaults.Web);
+    
+    public static void OpenBrowser(string url)
+    {
+        if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+        {
+            Process.Start(new ProcessStartInfo("cmd", $"/c start {url}"));
+        }
+        else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+        {
+            Process.Start("xdg-open", url);
+        }
+        else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+        {
+            Process.Start("open", url);
+        }
+        else
+        {
+            
+        }
+    }
+    
+    public static async Task<T> AsJson<T>(this HttpContent content) where T : notnull
+    {
+        var str = await content.ReadAsStringAsync();
+        return JsonSerializer.Deserialize<T>(str, JsonWebOptions) ??
+               throw new JsonException("AsJson: did not expect null response");
+    }
+}