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package main
import (
"net/http"
"os"
"path/filepath"
)
// https://github.com/gorilla/mux#serving-single-page-applications
type spaHandler struct {
staticPath string
}
func (h spaHandler) ServeHTTP(writer http.ResponseWriter, request *http.Request) {
path, err := filepath.Abs(request.URL.Path)
if err != nil {
http.Error(writer, err.Error(), http.StatusBadRequest)
}
path = filepath.Join(h.staticPath, path)
if _, err = os.Stat(path); os.IsNotExist(err) {
serve_path := filepath.Base(path)
if len(filepath.Ext(path)) == 0 {
serve_path = "index.html"
}
serve_path = filepath.Join(h.staticPath, serve_path)
http.ServeFile(writer, request, serve_path)
return
} else if err != nil {
http.Error(writer, err.Error(), http.StatusInternalServerError)
return
}
http.FileServer(http.Dir(h.staticPath)).ServeHTTP(writer, request)
}
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