refactor: migrate frontend tooling to vite 4 (#2645)

---------

Co-authored-by: Oleg Lobanov <oleg@lobanov.me>

http/data.go

@@ -49,7 +49,9 @@ func (d *data) Check(path string) bool {
 
 func handle(fn handleFunc, prefix string, store *storage.Storage, server *settings.Server) http.Handler {
 	handler := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		w.Header().Set("Cache-Control", "no-cache, no-store, must-revalidate")
+		for k, v := range globalHeaders {
+			w.Header().Set(k, v)
+		}
 
 		settings, err := store.Settings.Get()
 		if err != nil {

http/headers.go

@@ -0,0 +1,9 @@
+//go:build !dev
+// +build !dev
+
+package http
+
+// global headers to append to every response
+var globalHeaders = map[string]string{
+	"Cache-Control": "no-cache, no-store, must-revalidate",
+}

http/headers_dev.go

@@ -0,0 +1,15 @@
+//go:build dev
+// +build dev
+
+package http
+
+// global headers to append to every response
+// cross-origin headers are necessary to be able to
+// access them from a different URL during development
+var globalHeaders = map[string]string{
+	"Cache-Control":                    "no-cache, no-store, must-revalidate",
+	"Access-Control-Allow-Origin":      "*",
+	"Access-Control-Allow-Headers":     "*",
+	"Access-Control-Allow-Methods":     "*",
+	"Access-Control-Allow-Credentials": "true",
+}

http/static.go

@@ -105,7 +105,7 @@ func getStaticHandlers(store *storage.Storage, server *settings.Server, assetsFs
 		}
 
 		w.Header().Set("x-xss-protection", "1; mode=block")
-		return handleWithStaticData(w, r, d, assetsFs, "index.html", "text/html; charset=utf-8")
+		return handleWithStaticData(w, r, d, assetsFs, "public/index.html", "text/html; charset=utf-8")
 	}, "", store, server)
 
 	static = handle(func(w http.ResponseWriter, r *http.Request, d *data) (int, error) {