veb: fix key value and translation file name (vlang#23203)

vlib/veb/tr.v

@@ -22,7 +22,7 @@ struct TrData {
 // m['en']['house'] == 'House'
 fn load_tr_map() map[string]map[string]string {
 	// Find all translation files to figure out how many languages we have and to load the translation map
-	files := os.walk_ext('translations/', '.tr')
+	files := os.walk_ext('translations', '.tr')
 	mut res := map[string]map[string]string{}
 	for tr_path in files {
 		lang := fetch_lang_from_tr_path(tr_path)
@@ -35,7 +35,7 @@ fn load_tr_map() map[string]map[string]string {
 			// println('val="${val}"')
 			nl_pos := s.index('\n') or { continue }
 			key := s[..nl_pos]
-			val := s[nl_pos..]
+			val := s[nl_pos + 1..]
 			// v := vals[i + 1]
 			// println('key="${key}" => val="${v}"')
 			res[lang][key] = val
@@ -46,7 +46,7 @@ fn load_tr_map() map[string]map[string]string {
 }
 
 fn fetch_lang_from_tr_path(path string) string {
-	return path.find_between('/', '.')
+	return path.find_between(os.path_separator, '.')
 }
 
 // Used by %key in templates

vlib/veb/tr_test.v

@@ -0,0 +1,18 @@
+module veb
+
+import os
+
+fn test_load_files_translations() {
+	os.chdir(os.dir(@FILE))!
+
+	translations := load_tr_map()
+
+	assert 'pt-br' in translations
+	assert 'en' in translations
+
+	assert 'msg_hello' in translations['pt-br']
+	assert 'msg_hello' in translations['en']
+
+	assert translations['pt-br']['msg_hello'] == 'Olá'
+	assert translations['en']['msg_hello'] == 'Hello'
+}

vlib/veb/translations/en.tr

@@ -0,0 +1,2 @@
+msg_hello
+Hello

vlib/veb/translations/pt-br.tr

@@ -0,0 +1,2 @@
+msg_hello
+Olá