adapt README_{Country}.md stype name in localizedExtensions

routers/web/repo/view.go

@@ -151,8 +151,8 @@ func localizedExtensions(ext, languageCode string) (localizedExts []string) {
 if strings.Contains(lowerLangCode, "-") {
 underscoreLangCode := strings.ReplaceAll(lowerLangCode, "-", "_")
 indexOfDash := strings.Index(lowerLangCode, "-")
-// e.g. [.zh-cn.md, .zh_cn.md, .zh.md, .md]
-return []string{lowerLangCode + ext, underscoreLangCode + ext, lowerLangCode[:indexOfDash] + ext, ext}
+// e.g. [.zh-cn.md, .zh_cn.md, .zh.md, _zh.md, .md]
+return []string{lowerLangCode + ext, underscoreLangCode + ext, lowerLangCode[:indexOfDash] + ext, strings.Replace(lowerLangCode[:indexOfDash]+ext, ".", "_", 1), ext}
 }
 
 // e.g. [.en.md, .md]

routers/web/repo/view_test.go

@@ -38,19 +38,19 @@ func Test_localizedExtensions(t *testing.T) {
 name: "With region - lowercase",
 languageCode: "en-us",
 ext: ".md",
-wantLocalizedExts: []string{".en-us.md", ".en_us.md", ".en.md", ".md"},
+wantLocalizedExts: []string{".en-us.md", ".en_us.md", ".en.md", "_en.md", ".md"},
 },
 {
 name: "With region - uppercase",
 languageCode: "en-CA",
 ext: ".MD",
-wantLocalizedExts: []string{".en-ca.MD", ".en_ca.MD", ".en.MD", ".MD"},
+wantLocalizedExts: []string{".en-ca.MD", ".en_ca.MD", ".en.MD", "_en.MD", ".MD"},
 },
 {
 name: "With region - all uppercase",
 languageCode: "ZH-TW",
 ext: ".md",
-wantLocalizedExts: []string{".zh-tw.md", ".zh_tw.md", ".zh.md", ".md"},
+wantLocalizedExts: []string{".zh-tw.md", ".zh_tw.md", ".zh.md", "_zh.md", ".md"},
 },
 }
 for _, tt := range tests {