feat: cors

internal/hotreload/cors.go

@@ -0,0 +1,18 @@
+package hotreload
+
+import "net/http"
+
+func enableCORS(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS")
+		w.Header().Set("Access-Control-Allow-Headers", "Content-Type")
+
+		if r.Method == http.MethodOptions {
+			w.WriteHeader(http.StatusOK)
+			return
+		}
+
+		next.ServeHTTP(w, r)
+	})
+}

internal/hotreload/hotreload.go

@@ -69,7 +69,7 @@ func WithLogger(w *io.Writer) func(*HotReloadServer) {
 func InitHotReloadServer(port int, options ...func(*HotReloadServer)) *HotReloadServer {
 
 	// set a default logger
-	h := newHandler()
+	h := enableCORS(newHandler())
 	hrs := &HotReloadServer{
 		logwriter: &io.Discard,
 		server: &http.Server{