blob: 476a46cf0f9aa8a64fd64c2a87827c3142ba8aaa (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
package webui
import (
"net/http"
"os"
)
// implement a http.FileSystem that will serve a default file when the looked up
// file doesn't exist. Useful for Single-Page App that implement routing client
// side, where the server has to return the root index.html file for every route.
type fileSystemWithDefault struct {
http.FileSystem
defaultFile string
}
func (fswd *fileSystemWithDefault) Open(name string) (http.File, error) {
f, err := fswd.FileSystem.Open(name)
if os.IsNotExist(err) {
return fswd.FileSystem.Open(fswd.defaultFile)
}
return f, err
}
func NewHandler() http.Handler {
assetsHandler := &fileSystemWithDefault{
FileSystem: WebUIAssets,
defaultFile: "index.html",
}
return http.FileServer(assetsHandler)
}
|
