Фикс шаблонов и кода

fs.go

@@ -0,0 +1,9 @@
+package main
+
+import "embed"
+
+//go:embed static/*
+var staticFS embed.FS
+
+//go:embed tpl/*
+var tplFS embed.FS

go.mod

@@ -1,5 +1,5 @@
 module go.neonxp.dev/pkg
 
-go 1.18
+go 1.22
 
 require github.com/go-chi/chi/v5 v5.0.7

main.go

@@ -4,19 +4,16 @@ import (
 	"context"
 	"encoding/json"
 	"html/template"
-	"log"
+	"log/slog"
 	"net/http"
 	"os"
 	"os/signal"
-	"path/filepath"
-	"strings"
 
-	"github.com/go-chi/chi/v5"
-	"github.com/go-chi/chi/v5/middleware"
+	"gitrepo.ru/neonxp/middleware"
 )
 
 var (
-	templates = template.Must(template.ParseGlob("./tpl/*.gohtml"))
+	templates = template.Must(template.ParseFS(tplFS, "tpl/*.gohtml"))
 	packages  = Packages{}
 )
 
@@ -32,21 +29,15 @@ func main() {
 
 	fp, err := os.Open("./config.json")
 	if err != nil {
-		log.Fatal(err)
+		panic(err)
 	}
 	if err := json.NewDecoder(fp).Decode(cfg); err != nil {
-		log.Fatal(err)
+		panic(err)
 	}
 
-	r := chi.NewRouter()
+	mux := http.NewServeMux()
 
-	r.Use(middleware.RequestID)
-	r.Use(middleware.StripSlashes)
-	r.Use(middleware.RealIP)
-	r.Use(middleware.Logger)
-	r.Use(middleware.Recoverer)
-
-	r.Get("/", func(w http.ResponseWriter, r *http.Request) {
+	mux.HandleFunc("GET /{$}", func(w http.ResponseWriter, r *http.Request) {
 		w.WriteHeader(http.StatusOK)
 		templates.ExecuteTemplate(w, "index.gohtml", indexRenderContext{
 			Title:    cfg.Title,
@@ -56,8 +47,8 @@ func main() {
 		})
 	})
 
-	r.Get("/{pkg}", func(w http.ResponseWriter, r *http.Request) {
-		pkgID := chi.URLParam(r, "pkg")
+	mux.HandleFunc("GET /{pkg}", func(w http.ResponseWriter, r *http.Request) {
+		pkgID := r.PathValue("pkg")
 		pkg, ok := (*cfg.Packages)[pkgID]
 		if !ok {
 			w.WriteHeader(http.StatusNotFound)
@@ -71,42 +62,24 @@ func main() {
 			Doc:     "//pkg.go.dev/",
 		})
 	})
+	mux.Handle("GET /static/", http.FileServerFS(staticFS))
 
-	workDir, _ := os.Getwd()
-	filesDir := http.Dir(filepath.Join(workDir, "static"))
-	FileServer(r, "/static", filesDir)
+	logger := slog.New(slog.NewTextHandler(os.Stdout, &slog.HandlerOptions{}))
+	h := middleware.Logger(mux, logger)
+	h = middleware.Recover(h, logger)
+	h = middleware.RequestID(h)
 
 	srv := &http.Server{
-		Handler: r,
+		Handler: h,
 		Addr:    addr,
 	}
 	go func() {
 		<-ctx.Done()
 		srv.Shutdown(context.Background())
 	}()
-	log.Println("Start at", addr)
+
+	logger.Info("server started", slog.String("bind", addr))
 	if err := srv.ListenAndServe(); err != http.ErrServerClosed {
-		log.Fatal(err)
+		panic(err)
 	}
 }
-
-// FileServer conveniently sets up a http.FileServer handler to serve
-// static files from a http.FileSystem.
-func FileServer(r chi.Router, path string, root http.FileSystem) {
-	if strings.ContainsAny(path, "{}*") {
-		panic("FileServer does not permit any URL parameters.")
-	}
-
-	if path != "/" && path[len(path)-1] != '/' {
-		r.Get(path, http.RedirectHandler(path+"/", 301).ServeHTTP)
-		path += "/"
-	}
-	path += "*"
-
-	r.Get(path, func(w http.ResponseWriter, r *http.Request) {
-		rctx := chi.RouteContext(r.Context())
-		pathPrefix := strings.TrimSuffix(rctx.RoutePattern(), "/*")
-		fs := http.StripPrefix(pathPrefix, http.FileServer(root))
-		fs.ServeHTTP(w, r)
-	})
-}