snapshot of https://github.com/traggo/server.git (master, 2026-09-16; blobs > 131072B omitted)

ui/serve.go

@@ -0,0 +1,54 @@
+package ui
+
+import (
+	"embed"
+	"fmt"
+	"io"
+	"io/fs"
+	"net/http"
+
+	"github.com/gorilla/mux"
+	"github.com/rs/zerolog/log"
+)
+
+//go:embed build
+var uiDir embed.FS
+var buildDir, _ = fs.Sub(uiDir, "build")
+
+// Register registers the ui on the root path.
+func Register(r *mux.Router) {
+	r.Handle("/", serveFile("index.html", "text/html"))
+	r.Handle("/index.html", serveFile("index.html", "text/html"))
+	r.Handle("/manifest.json", serveFile("manifest.json", "application/json"))
+	r.Handle("/service-worker.js", serveFile("service-worker.js", "text/javascript"))
+	r.Handle("/asset-manifest.json", serveFile("asset-manifest.json", "application/json"))
+
+	fileServer := http.FileServer(http.FS(buildDir))
+	r.Handle("/static/{type}/{resource}", http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Cache-Control", "public, max-age=31536000, immutable")
+		fileServer.ServeHTTP(w, r)
+	}))
+
+	r.Handle("/favicon.ico", serveFile("favicon.ico", "image/x-icon"))
+	for _, size := range []string{"16x16", "32x32", "192x192", "256x256"} {
+		fileName := fmt.Sprintf("favicon-%s.png", size)
+		r.Handle("/"+fileName, serveFile(fileName, "image/png"))
+	}
+}
+
+func serveFile(name, contentType string) http.HandlerFunc {
+	file, err := buildDir.Open(name)
+	if err != nil {
+		log.Panic().Err(err).Msgf("could not find %s", file)
+	}
+	defer file.Close()
+	content, err := io.ReadAll(file)
+	if err != nil {
+		log.Panic().Err(err).Msgf("could not read %s", file)
+	}
+
+	return func(writer http.ResponseWriter, reg *http.Request) {
+		writer.Header().Set("Content-Type", contentType)
+		_, _ = writer.Write(content)
+	}
+}