20 lines
473 B
Go
20 lines
473 B
Go
package spa
|
|
|
|
import (
|
|
"io/fs"
|
|
"net/http"
|
|
"strings"
|
|
)
|
|
|
|
// Handler serve files from dir and redirect to index if file not exists
|
|
var Handler = func(prefix string, dir fs.FS) http.HandlerFunc {
|
|
return func(w http.ResponseWriter, r *http.Request) {
|
|
f := http.StripPrefix(prefix, http.FileServer(http.FS(dir)))
|
|
if _, err := fs.Stat(dir, strings.TrimPrefix(r.RequestURI, prefix)); err != nil {
|
|
r.RequestURI = prefix
|
|
r.URL.Path = prefix
|
|
}
|
|
f.ServeHTTP(w, r)
|
|
}
|
|
}
|