handler: add single page application handler #176

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vtolstov merged 1 commits from spa-handler into master 2023-08-19 23:22:01 +03:00
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19
handler/spa/spa.go Normal file
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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)
}
}