[优化] go 引用调整

openflare-server/utils/embedfs/static.go

@@ -0,0 +1,40 @@
+package embedfs
+
+import (
+	"embed"
+	"io/fs"
+	"net/http"
+	"strings"
+
+	"github.com/gin-contrib/static"
+)
+
+// Credit: https://github.com/gin-contrib/static/issues/19
+
+type fileSystem struct {
+	http.FileSystem
+}
+
+func (e fileSystem) Exists(prefix string, path string) bool {
+	cleanPath := strings.TrimPrefix(path, prefix)
+	cleanPath = strings.TrimPrefix(cleanPath, "/")
+	if cleanPath == "" {
+		return false
+	}
+
+	_, err := e.Open(cleanPath)
+	if err != nil {
+		return false
+	}
+	return true
+}
+
+func EmbedFolder(fsEmbed embed.FS, targetPath string) static.ServeFileSystem {
+	efs, err := fs.Sub(fsEmbed, targetPath)
+	if err != nil {
+		panic(err)
+	}
+	return fileSystem{
+		FileSystem: http.FS(efs),
+	}
+}