sorted directories and files for static file serving

labstack · Dec 5, 2024 · a369ddf · a369ddf
1 parent 3b01785
commit a369ddf
Showing 1 changed file with 10 additions and 0 deletions.
diff --git a/middleware/static.go b/middleware/static.go
@@ -6,6 +6,7 @@ package middleware
 import (
 	"errors"
 	"fmt"
+	"sort"
 	"html/template"
 	"net/http"
 	"net/url"
@@ -50,6 +51,12 @@ type StaticConfig struct {
 	Filesystem http.FileSystem `yaml:"-"`
 }
 
+// Used for sorting directories in listDir
+type byName []os.FileInfo
+func (s byName) Len() int           { return len(s) }
+func (s byName) Less(i, j int) bool { return s[i].Name() < s[j].Name() }
+func (s byName) Swap(i, j int)      { s[i], s[j] = s[j], s[i] }
+
 const html = `
 <!DOCTYPE html>
 <html lang="en">
@@ -251,6 +258,9 @@ func listDir(t *template.Template, name string, dir http.File, res *echo.Respons
 		return
 	}
 
+	// Sort directories first
+	sort.Sort(byName(files))
+
 	// Create directory index
 	res.Header().Set(echo.HeaderContentType, echo.MIMETextHTMLCharsetUTF8)
 	data := struct {