component/static: Seperate out static file handling

internal/component/static/static.go

@@ -0,0 +1,32 @@
+// Package static implements serving of fully static resources
+package static
+
+import (
+	"context"
+	"embed"
+	"io/fs"
+	"net/http"
+
+	"github.com/FAU-CDI/wisski-distillery/internal/component"
+	"github.com/tkw1536/goprogram/stream"
+)
+
+type Static struct {
+	component.ComponentBase
+}
+
+func (*Static) Name() string { return "static" }
+
+func (*Static) Routes() []string { return []string{"/static/"} }
+
+func (static *Static) Handler(route string, context context.Context, io stream.IOStream) (http.Handler, error) {
+	fs, err := fs.Sub(htmlStaticFS, "out")
+	if err != nil {
+		return nil, err
+	}
+
+	return http.StripPrefix(route, http.FileServer(http.FS(fs))), nil
+}
+
+//go:embed out
+var htmlStaticFS embed.FS