optimise build log output

src/SharpIDE.Godot/Features/Build/BuildPanel.cs

@@ -1,3 +1,4 @@
+using System.Threading.Channels;
 using GDExtensionBindgen;
 using Godot;
 
@@ -6,28 +7,26 @@ namespace SharpIDE.Godot.Features.Build;
 public partial class BuildPanel : Control
 {
     private Terminal _terminal = null!;
-	private Task _writeTask = Task.CompletedTask;
+    private ChannelReader<string>? _buildOutputChannelReader;
     public override void _Ready()
     {
         _terminal = new Terminal(GetNode<Control>("%Terminal"));
         Singletons.BuildService.BuildStarted += OnBuildStarted;
     }
 
+    public override void _Process(double delta)
+    {
+        if (_buildOutputChannelReader is null) return;
+        // TODO: Buffer and write once per frame? Investigate if godot-xterm already buffers internally
+        while (_buildOutputChannelReader.TryRead(out var str))
+        {
+            _terminal.Write(str);
+        }
+    }
+
     private async Task OnBuildStarted()
     {
-        if (_writeTask.IsCompleted is not true)
+        await this.InvokeAsync(() => _terminal.Clear());
-        {
+        _buildOutputChannelReader ??= Singletons.BuildService.BuildTextWriter.ConsoleChannel.Reader;
-            // If the write task is already running, just clear the terminal - we reuse the channel for the build output 🤷‍♂️
-            await this.InvokeAsync(() => _terminal.Clear());
-            return;
-        }
-        _writeTask = Task.GodotRun(async () =>
-        {
-            await this.InvokeAsync(() => _terminal.Clear());
-            await foreach (var str in Singletons.BuildService.BuildTextWriter.ConsoleChannel.Reader.ReadAllAsync().ConfigureAwait(false))
-            {
-                await this.InvokeAsync(() => _terminal.Write(str));
-            }
-        });
     }
 }