Added Razor components for loadable remote content

1 files changed, 23 insertions, 0 deletions

diff --git a/Pages/Component/ErrorState.razor b/Pages/Component/ErrorState.razor
new file mode 100644
index 0000000..92baac6
--- /dev/null
+++ b/Pages/Component/ErrorState.razor
@@ -0,0 +1,23 @@
+@implements IDisposable
+@typeparam T
+
+@if(Parent.ComponentState == ComponentState.Error) {
+	@ChildContent
+}
+
+@code {
+	[Parameter]
+	public RenderFragment? ChildContent { get; set; }
+
+	[CascadingParameter]
+	public LoadableContent<T> Parent { get; set; }
+
+	protected override void OnInitialized() =>
+		Parent.OnStateChanged += OnStateChanged;
+
+	public void OnStateChanged(object? sender, EventArgs e) =>
+		InvokeAsync(StateHasChanged);
+
+	public void Dispose() =>
+		Parent.OnStateChanged -= OnStateChanged;
+}