Add a simple go server to serve the frontends

reactNextJS/addToServer.go

@@ -0,0 +1,28 @@
+package reactNextJS
+
+import (
+	"embed"
+	"fmt"
+	"io/fs"
+	"net/http"
+)
+
+//go:embed "out/*"
+var nextFiles embed.FS
+
+//go:embed "out/_next"
+var nextScripts embed.FS
+
+// Call this from main once before starting the server
+func AddNextStaticClient() {
+	scriptsSubFolder, err := fs.Sub(nextScripts, "out")
+	if err != nil {
+		panic(fmt.Sprint("Error: Could not find \"reactNextJS/out/\". Did you build the reactNextJS client?"))
+	}
+	filesSubFolder, _ := fs.Sub(nextFiles, "out")
+	var nextScriptsServer = http.FileServerFS(scriptsSubFolder)
+	var nextFilesServer = http.FileServerFS(filesSubFolder)
+
+	http.Handle("/reactNextJS/", http.StripPrefix("/reactNextJS/", nextFilesServer))
+	http.Handle("/_next/", nextScriptsServer)
+}