static/embed_folder.go

28 lines
493 B
Go

package static
import (
"embed"
"io/fs"
"log"
"net/http"
)
type embedFileSystem struct {
http.FileSystem
}
func (e embedFileSystem) Exists(prefix string, path string) bool {
_, err := e.Open(path)
return err == nil
}
func EmbedFolder(fsEmbed embed.FS, targetPath string) ServeFileSystem {
fsys, err := fs.Sub(fsEmbed, targetPath)
if err != nil {
log.Fatalf("static.EmbedFolder - Invalid targetPath value - %s", err)
}
return embedFileSystem{
FileSystem: http.FS(fsys),
}
}