nic-chen commented on a change in pull request #1788:
URL: https://github.com/apache/apisix-dashboard/pull/1788#discussion_r634249732



##########
File path: api/internal/route.go
##########
@@ -91,3 +94,55 @@ func SetUpRouter() *gin.Engine {
 
        return r
 }
+
+type spaFileSystem struct {
+       http.FileSystem
+}
+
+func (fs *spaFileSystem) Open(name string) (http.File, error) {
+       f, err := fs.FileSystem.Open(name)
+       //Default failsafe page
+       if err != nil {
+               return fs.FileSystem.Open("index.html")
+       }
+       return f, err
+}
+
+var HTMLBlackListRoutes = []string{
+       "/apisix",
+       "/ping",
+}
+
+func serve(urlPrefix string, fss fs.FS) gin.HandlerFunc {
+       fileserver := http.FileServer(&spaFileSystem{http.FS(fss)})
+       if urlPrefix != "" {
+               fileserver = http.StripPrefix(urlPrefix, fileserver)
+       }
+       return func(c *gin.Context) {
+
+               if c.Request.Method == "GET" &&
+                       (exists(urlPrefix, c.Request.URL.Path, &fss) || 
!isBlacklisted(c.Request.URL.Path)) {

Review comment:
       I don't quite understand why these two functions are the same. .




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