appview/pages: add "reverse" funcmap function

··· 26 26 "github.com/go-enry/go-enry/v2" 27 27 "github.com/yuin/goldmark" 28 28 emoji "github.com/yuin/goldmark-emoji" 29 - "tangled.org/core/appview/filetree" 30 29 "tangled.org/core/appview/models" 31 30 "tangled.org/core/appview/oauth" 32 31 "tangled.org/core/appview/pages/markup" ··· 335 334 }, 336 335 "deref": func(v any) any { 337 336 val := reflect.ValueOf(v) 338 - if val.Kind() == reflect.Ptr && !val.IsNil() { 337 + if val.Kind() == reflect.Pointer && !val.IsNil() { 339 338 return val.Elem().Interface() 340 339 } 341 340 return nil ··· 349 348 return template.HTML(data) 350 349 }, 351 350 "cssContentHash": p.CssContentHash, 352 - "fileTree": filetree.FileTree, 353 351 "pathEscape": func(s string) string { 354 352 return url.PathEscape(s) 355 353 }, ··· 367 365 return p.AvatarUrl(handle, "") 368 366 }, 369 367 "langColor": enry.GetColor, 370 - "layoutSide": func() string { 371 - return "col-span-1 md:col-span-2 lg:col-span-3" 372 - }, 373 - "layoutCenter": func() string { 374 - return "col-span-1 md:col-span-8 lg:col-span-6" 375 - }, 368 + "reverse": func(s any) any { 369 + if s == nil { 370 + return nil 371 + } 376 372 373 + v := reflect.ValueOf(s) 374 + 375 + if v.Kind() != reflect.Slice { 376 + return s 377 + } 378 + 379 + length := v.Len() 380 + reversed := reflect.MakeSlice(v.Type(), length, length) 381 + 382 + for i := range length { 383 + reversed.Index(i).Set(v.Index(length - 1 - i)) 384 + } 385 + 386 + return reversed.Interface() 387 + }, 377 388 "normalizeForHtmlId": func(s string) string { 378 389 normalized := strings.ReplaceAll(s, ":", "_") 379 390 normalized = strings.ReplaceAll(normalized, ".", "_")