Improve serach function with quick suggestions

render.go

@@ -28,7 +28,6 @@ func initMarkdown(root string) {
 	)
 }
 
-type crumb struct{ Name, URL string }
 type entry struct {
 	Icon            template.HTML
 	Name, URL, Meta string
@@ -36,7 +35,7 @@ type entry struct {
 
 type pageData struct {
 	Title          string
-	Crumbs         []crumb
+	ParentURL      string
 	CanEdit        bool
 	EditMode       bool
 	IsRoot         bool
@@ -56,6 +55,7 @@ type pageSettings struct {
 }
 
 var (
+	iconUp      = readIcon("up")
 	iconFolder  = readIcon("folder")
 	iconDoc     = readIcon("doc")
 	iconImage   = readIcon("image")
@@ -155,7 +155,20 @@ func listEntries(fsPath, urlPath string) []entry {
 		return strings.ToLower(files[i].Name) < strings.ToLower(files[j].Name)
 	})
 
-	return append(folders, files...)
+	// `..` row mirrors the header Up button so the listing itself is
+	// navigable without reaching for the header on mobile. Prepended after
+	// sort so it always sits at the top regardless of folder names.
+	var out []entry
+	if urlPath != "/" {
+		out = append(out, entry{
+			Icon: iconUp,
+			Name: "..",
+			URL:  parentURL(urlPath),
+		})
+	}
+	out = append(out, folders...)
+	out = append(out, files...)
+	return out
 }
 
 func readIcon(name string) template.HTML {
@@ -192,21 +205,6 @@ func formatSize(b int64) string {
 	}
 }
 
-func buildCrumbs(urlPath string) []crumb {
-	if urlPath == "/" {
-		return nil
-	}
-	parts := strings.Split(strings.Trim(urlPath, "/"), "/")
-	crumbs := make([]crumb, len(parts))
-	for i, p := range parts {
-		crumbs[i] = crumb{
-			Name: p,
-			URL:  "/" + strings.Join(parts[:i+1], "/") + "/",
-		}
-	}
-	return crumbs
-}
-
 func pageTitle(urlPath string) string {
 	if urlPath == "/" {
 		return "Datascape"