基于flutterflow-ui v0.3.1版本 去除google ad 与google map

lib/src/widgets/flutter_flow_language_selector.dart

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+/*
+ * Copyright (c) 2019 gomgom. https://www.gomgom.net
+ *
+ * Source code has been modified by FlutterFlow, Inc. and the below license 
+ * applies only to this file. Adapted from "language_picker" pub.dev package.
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+import 'package:emoji_flag_converter/emoji_flag_converter.dart';
+import 'package:flutter/material.dart';
+
+class FlutterFlowLanguageSelector extends StatelessWidget {
+  const FlutterFlowLanguageSelector({
+    super.key,
+    required this.currentLanguage,
+    required this.languages,
+    required this.onChanged,
+    this.width,
+    this.height,
+    this.backgroundColor,
+    this.borderColor = const Color(0xFF262D34),
+    this.borderRadius = 8.0,
+    this.textStyle,
+    this.hideFlags = false,
+    this.flagSize = 24.0,
+    this.flagTextGap = 8.0,
+    this.dropdownColor,
+    this.dropdownIconColor = const Color(0xFF14181B),
+    this.dropdownIcon,
+  });
+
+  final double? width;
+  final double? height;
+  final String currentLanguage;
+  final List<String> languages;
+  final Function(String) onChanged;
+  final Color? backgroundColor;
+  final Color? borderColor;
+  final double borderRadius;
+  final TextStyle? textStyle;
+  final bool hideFlags;
+  final double flagSize;
+  final double? flagTextGap;
+  final Color? dropdownColor;
+  final Color? dropdownIconColor;
+  final IconData? dropdownIcon;
+
+  @override
+  Widget build(BuildContext context) => SizedBox(
+        width: width,
+        height: height,
+        child: _LanguagePickerDropdown(
+          currentLanguage: currentLanguage,
+          languages: _languageMap(languages.toSet()),
+          onChanged: onChanged,
+          backgroundColor: backgroundColor,
+          borderColor: borderColor,
+          borderRadius: borderRadius,
+          dropdownColor: dropdownColor,
+          dropdownIconColor: dropdownIconColor,
+          dropdownIcon: dropdownIcon,
+          itemBuilder: (language) => _LanguagePickerItem(
+            language: language.isoCode,
+            languages: languages,
+            textStyle: textStyle,
+            hideFlags: hideFlags,
+            flagSize: flagSize,
+            flagTextGap: flagTextGap,
+          ),
+        ),
+      );
+}
+
+class _LanguagePickerItem extends StatelessWidget {
+  const _LanguagePickerItem({
+    required this.language,
+    required this.languages,
+    this.textStyle,
+    this.hideFlags = false,
+    this.flagSize = 24.0,
+    this.flagTextGap = 8.0,
+  });
+
+  final String language;
+  final List<String> languages;
+  final TextStyle? textStyle;
+  final bool hideFlags;
+  final double flagSize;
+  final double? flagTextGap;
+
+  @override
+  Widget build(BuildContext context) {
+    final flagInfo = languageToCountryInfo[language];
+    Widget flagWidget = Container();
+    if (flagInfo is String) {
+      final flagEmoji = EmojiConverter.fromAlpha2CountryCode(flagInfo);
+      flagWidget = Padding(
+        padding: const EdgeInsets.only(bottom: 2.0),
+        child: Text(
+          flagEmoji,
+          style: const TextStyle(fontSize: 20.0),
+        ),
+      );
+    } else if (flagInfo is Map) {
+      final flagUrl = flagInfo['flag'] as String;
+      flagWidget = Image.network(
+        flagUrl,
+        width: 24,
+        height: 20,
+      );
+    }
+    flagWidget = Transform.scale(
+      scale: flagSize / 24.0,
+      child: SizedBox(
+        width: 24,
+        child: flagWidget,
+      ),
+    );
+    return Row(
+      children: [
+        if (!hideFlags) ...[
+          flagWidget,
+          SizedBox(width: flagTextGap),
+        ],
+        Text(
+          _languageMap(languages.toSet())[language]?.name ?? '',
+          style: textStyle ??
+              const TextStyle(
+                color: Colors.white,
+                fontSize: 13,
+                fontWeight: FontWeight.normal,
+              ),
+        ),
+      ],
+    );
+  }
+}
+
+/// Provides a customizable [DropdownButton] for all languages
+class _LanguagePickerDropdown extends StatelessWidget {
+  const _LanguagePickerDropdown({
+    required this.itemBuilder,
+    required this.currentLanguage,
+    required this.onChanged,
+    required this.languages,
+    this.backgroundColor,
+    this.borderColor = const Color(0xFF262D34),
+    this.borderRadius = 8.0,
+    this.dropdownColor,
+    this.dropdownIconColor = const Color(0xFF14181B),
+    this.dropdownIcon,
+  });
+
+  /// This function will be called to build the child of DropdownMenuItem.
+  final Widget Function(Language) itemBuilder;
+
+  /// The current ISO ALPHA-2 code.
+  final String currentLanguage;
+
+  /// This function will be called whenever a Language item is selected.
+  final ValueChanged<String> onChanged;
+
+  /// List of languages available in this picker.
+  final Map<String, Language> languages;
+
+  final Color? backgroundColor;
+  final Color? borderColor;
+  final double borderRadius;
+  final Color? dropdownColor;
+  final Color? dropdownIconColor;
+  final IconData? dropdownIcon;
+
+  @override
+  Widget build(BuildContext context) {
+    List<DropdownMenuItem<String>> items = languages.values
+        .map(
+          (language) => DropdownMenuItem<String>(
+            value: language.isoCode,
+            child: itemBuilder(language),
+          ),
+        )
+        .toList();
+    return Container(
+      height: 44.0,
+      decoration: BoxDecoration(
+        color: backgroundColor,
+        border: Border.all(color: borderColor ?? Colors.transparent),
+        borderRadius: BorderRadius.circular(borderRadius),
+      ),
+      child: Padding(
+        padding: const EdgeInsets.symmetric(horizontal: 15.0),
+        child: Center(
+          child: DropdownButton<String>(
+            isExpanded: true,
+            underline: Container(),
+            dropdownColor: dropdownColor ?? backgroundColor,
+            focusColor: Colors.transparent,
+            iconEnabledColor: dropdownIconColor,
+            iconDisabledColor: dropdownIconColor,
+            icon: dropdownIcon != null
+                ? Icon(
+                    dropdownIcon,
+                    size: 18.0,
+                    color: dropdownIconColor,
+                  )
+                : null,
+            hint: const Text(
+              'Unset',
+              style: TextStyle(
+                color: Colors.red,
+                fontFamily: 'Product Sans',
+                fontStyle: FontStyle.italic,
+                fontSize: 15,
+              ),
+            ),
+            onChanged: (val) {
+              if (val != null) {
+                onChanged(val);
+              }
+            },
+            items: items,
+            value: currentLanguage.isNotEmpty ? currentLanguage : null,
+          ),
+        ),
+      ),
+    );
+  }
+}
+
+class Language {
+  Language(this.isoCode, this.name);
+
+  Language.fromMap(Map<String, String> map)
+      : name = map['name']!,
+        isoCode = map['isoCode']!;
+
+  final String name;
+  final String isoCode;
+}
+
+Map<String, Language> _languageMap(Set<String> languages) => Map.fromEntries(
+      _defaultLanguagesList
+          .where((element) => languages.contains(element['isoCode']))
+          .map((e) => MapEntry(e['isoCode']!, Language.fromMap(e))),
+    );
+
+final List<Map<String, String>> _defaultLanguagesList = [
+  {"isoCode": "aa", "name": "Afaraf"},
+  {"isoCode": "af", "name": "Afrikaans"},
+  {"isoCode": "ak", "name": "Akan"},
+  {"isoCode": "sq", "name": "Shqip"},
+  {"isoCode": "am", "name": "አማርኛ"},
+  {"isoCode": "ar", "name": "العربية"},
+  {"isoCode": "hy", "name": "Հայերեն"},
+  {"isoCode": "as", "name": "অসমীয়া"},
+  {"isoCode": "ay", "name": "aymar"},
+  {"isoCode": "az", "name": "azərbaycan"},
+  {"isoCode": "bm", "name": "bamanankan"},
+  {"isoCode": "ba", "name": "башҡорт теле"},
+  {"isoCode": "eu", "name": "euskara, euskera"},
+  {"isoCode": "be", "name": "беларуская мова"},
+  {"isoCode": "bn", "name": "বাংলা"},
+  {"isoCode": "bh", "name": "भोजपुरी"},
+  {"isoCode": "bi", "name": "Bislama"},
+  {"isoCode": "nb", "name": "Norsk bokmål"},
+  {"isoCode": "bs", "name": "bosanski jezik"},
+  {"isoCode": "br", "name": "brezhoneg"},
+  {"isoCode": "bg", "name": "български език"},
+  {"isoCode": "my", "name": "ဗမာစာ"},
+  {"isoCode": "ca", "name": "català"},
+  {"isoCode": "km", "name": "ភាសាខ្មែរ"},
+  {"isoCode": "ch", "name": "Chamoru"},
+  {"isoCode": "ce", "name": "нохчийн мотт"},
+  {"isoCode": "ny", "name": "chiCheŵa"},
+  {"isoCode": "zh_Hans", "name": "中文 (简体)"},
+  {"isoCode": "zh_Hant", "name": "中文 (繁體)"},
+  {"isoCode": "cv", "name": "чӑваш чӗлхи"},
+  {"isoCode": "cr", "name": "ᓀᐦᐃᔭᐍᐏᐣ"},
+  {"isoCode": "hr", "name": "hrvatski jezik"},
+  {"isoCode": "cs", "name": "čeština"},
+  {"isoCode": "da", "name": "dansk"},
+  {"isoCode": "dv", "name": "ދިވެހި"},
+  {"isoCode": "nl", "name": "Nederlands"},
+  {"isoCode": "dz", "name": "རྫོང་ཁ"},
+  {"isoCode": "en", "name": "English"},
+  {"isoCode": "eo", "name": "Esperanto"},
+  {"isoCode": "et", "name": "eesti"},
+  {"isoCode": "ee", "name": "Eʋegbe"},
+  {"isoCode": "fo", "name": "føroyskt"},
+  {"isoCode": "fj", "name": "vosa Vakaviti"},
+  {"isoCode": "fi", "name": "suomi"},
+  {"isoCode": "fr", "name": "français"},
+  {"isoCode": "ff", "name": "Fulfulde"},
+  {"isoCode": "gd", "name": "Gàidhlig"},
+  {"isoCode": "gl", "name": "galego"},
+  {"isoCode": "lg", "name": "Luganda"},
+  {"isoCode": "ka", "name": "ქართული"},
+  {"isoCode": "de", "name": "Deutsch"},
+  {"isoCode": "el", "name": "ελληνικά"},
+  {"isoCode": "gn", "name": "Avañe'ẽ"},
+  {"isoCode": "gu", "name": "ગુજરાતી"},
+  {"isoCode": "ht", "name": "Kreyòl ayisyen"},
+  {"isoCode": "ha", "name": "هَوُسَ"},
+  {"isoCode": "he", "name": "עברית"},
+  {"isoCode": "hz", "name": "Otjiherero"},
+  {"isoCode": "hi", "name": "हिन्दी, हिंदी"},
+  {"isoCode": "ho", "name": "Hiri Motu"},
+  {"isoCode": "hu", "name": "magyar"},
+  {"isoCode": "is", "name": "Íslenska"},
+  {"isoCode": "io", "name": "Ido"},
+  {"isoCode": "ig", "name": "Asụsụ Igbo"},
+  {"isoCode": "id", "name": "Bahasa Indonesia"},
+  {"isoCode": "ia", "name": "Interlingua"},
+  {"isoCode": "ie", "name": "Interlingue"},
+  {"isoCode": "iu", "name": "ᐃᓄᒃᑎᑐᑦ"},
+  {"isoCode": "ik", "name": "Iñupiaq"},
+  {"isoCode": "ga", "name": "Gaeilge"},
+  {"isoCode": "it", "name": "Italiano"},
+  {"isoCode": "ja", "name": "日本語 (にほんご)"},
+  {"isoCode": "jv", "name": "ꦧꦱꦗꦮ"},
+  {"isoCode": "kl", "name": "kalaallisut"},
+  {"isoCode": "kn", "name": "ಕನ್ನಡ"},
+  {"isoCode": "kr", "name": "Kanuri"},
+  {"isoCode": "ks", "name": "कश्मीरी"},
+  {"isoCode": "kk", "name": "қазақ тілі"},
+  {"isoCode": "ki", "name": "Gĩkũyũ"},
+  {"isoCode": "rw", "name": "Ikinyarwanda"},
+  {"isoCode": "ky", "name": "Кыргызча"},
+  {"isoCode": "kv", "name": "коми кыв"},
+  {"isoCode": "kg", "name": "Kikongo"},
+  {"isoCode": "ko", "name": "한국어"},
+  {"isoCode": "kj", "name": "Kuanyama"},
+  {"isoCode": "ku", "name": "Kurdî"},
+  {"isoCode": "lo", "name": "ພາສາລາວ"},
+  {"isoCode": "la", "name": "latine"},
+  {"isoCode": "lv", "name": "latviešu valoda"},
+  {"isoCode": "li", "name": "Limburgs"},
+  {"isoCode": "ln", "name": "Lingála"},
+  {"isoCode": "lt", "name": "lietuvių kalba"},
+  {"isoCode": "lu", "name": "Tshiluba"},
+  {"isoCode": "lb", "name": "Lëtzebuergesch"},
+  {"isoCode": "mk", "name": "македонски јазик"},
+  {"isoCode": "mg", "name": "fiteny malagasy"},
+  {"isoCode": "ms", "name": "bahasa Melayu"},
+  {"isoCode": "ml", "name": "മലയാളം"},
+  {"isoCode": "mt", "name": "Malti"},
+  {"isoCode": "gv", "name": "Gaelg, Gailck"},
+  {"isoCode": "mi", "name": "te reo Māori"},
+  {"isoCode": "mr", "name": "मराठी"},
+  {"isoCode": "mh", "name": "Kajin M̧ajeļ"},
+  {"isoCode": "mn", "name": "Монгол хэл"},
+  {"isoCode": "na", "name": "Dorerin Naoero"},
+  {"isoCode": "nv", "name": "Diné bizaad"},
+  {"isoCode": "nd", "name": "Ndebele (Southern)"},
+  {"isoCode": "nr", "name": "Ndebele (Northern)"},
+  {"isoCode": "ng", "name": "Owambo"},
+  {"isoCode": "ne", "name": "नेपाली"},
+  {"isoCode": "se", "name": "Davvisámegiella"},
+  {"isoCode": "no", "name": "Norsk"},
+  {"isoCode": "nn", "name": "Norsk nynorsk"},
+  {"isoCode": "oc", "name": "occitan"},
+  {"isoCode": "oj", "name": "ᐊᓂᔑᓈᐯᒧᐎᓐ"},
+  {"isoCode": "or", "name": "ଓଡ଼ିଆ"},
+  {"isoCode": "om", "name": "Afaan Oromoo"},
+  {"isoCode": "os", "name": "ирон æвзаг"},
+  {"isoCode": "pi", "name": "पाऴि"},
+  {"isoCode": "pa", "name": "ਪੰਜਾਬੀ"},
+  {"isoCode": "fa", "name": "فارسی"},
+  {"isoCode": "pl", "name": "Polski"},
+  {"isoCode": "pt", "name": "Português"},
+  {"isoCode": "ps", "name": "پښتو"},
+  {"isoCode": "qu", "name": "Runa Simi, Kichwa"},
+  {"isoCode": "ro", "name": "Română"},
+  {"isoCode": "rm", "name": "rumantsch grischun"},
+  {"isoCode": "rn", "name": "Ikirundi"},
+  {"isoCode": "ru", "name": "Русский"},
+  {"isoCode": "sm", "name": "gagana fa'a Samoa"},
+  {"isoCode": "sg", "name": "yângâ tî sängö"},
+  {"isoCode": "sa", "name": "संस्कृतम्"},
+  {"isoCode": "sc", "name": "sardu"},
+  {"isoCode": "sr", "name": "српски језик"},
+  {"isoCode": "sn", "name": "chiShona"},
+  {"isoCode": "ii", "name": "ꆈꌠ꒿ Nuosuhxop"},
+  {"isoCode": "sd", "name": "सिन्धी"},
+  {"isoCode": "si", "name": "සිංහල"},
+  {"isoCode": "sk", "name": "slovenský jazyk"},
+  {"isoCode": "sl", "name": "slovenščina"},
+  {"isoCode": "so", "name": "Soomaaliga"},
+  {"isoCode": "st", "name": "Sesotho"},
+  {"isoCode": "es", "name": "Español"},
+  {"isoCode": "su", "name": "Basa Sunda"},
+  {"isoCode": "sw", "name": "Kiswahili"},
+  {"isoCode": "ss", "name": "SiSwati"},
+  {"isoCode": "sv", "name": "svenska"},
+  {"isoCode": "tl", "name": "Tagalog"},
+  {"isoCode": "ty", "name": "Reo Tahiti"},
+  {"isoCode": "tg", "name": "тоҷикӣ"},
+  {"isoCode": "ta", "name": "தமிழ்"},
+  {"isoCode": "tt", "name": "татар теле"},
+  {"isoCode": "te", "name": "తెలుగు"},
+  {"isoCode": "th", "name": "ไทย"},
+  {"isoCode": "bo", "name": "བོད་ཡིག"},
+  {"isoCode": "ti", "name": "ትግርኛ"},
+  {"isoCode": "to", "name": "faka Tonga"},
+  {"isoCode": "ts", "name": "Xitsonga"},
+  {"isoCode": "tn", "name": "Setswana"},
+  {"isoCode": "tr", "name": "Türkçe"},
+  {"isoCode": "tk", "name": "Түркмен"},
+  {"isoCode": "tw", "name": "Twi"},
+  {"isoCode": "ug", "name": "ئۇيغۇرچە"},
+  {"isoCode": "uk", "name": "Українська"},
+  {"isoCode": "ur", "name": "اردو"},
+  {"isoCode": "uz", "name": "Oʻzbek"},
+  {"isoCode": "ve", "name": "Tshivenḓa"},
+  {"isoCode": "vi", "name": "Tiếng Việt"},
+  {"isoCode": "vo", "name": "Volapük"},
+  {"isoCode": "wa", "name": "walon"},
+  {"isoCode": "cy", "name": "Cymraeg"},
+  {"isoCode": "fy", "name": "Frysk"},
+  {"isoCode": "wo", "name": "Wollof"},
+  {"isoCode": "xh", "name": "Xhosa"},
+  {"isoCode": "yi", "name": "ייִדיש"},
+  {"isoCode": "yo", "name": "Yorùbá"},
+  {"isoCode": "za", "name": "Saɯ cueŋƅ"},
+  {"isoCode": "zu", "name": "Zulu"},
+];
+
+final Map<String, dynamic> languageToCountryInfo = {
+  "aa": "dj",
+  "af": "za",
+  "ak": "gh",
+  "sq": "al",
+  "am": "et",
+  "ar": {
+    "proposed_iso_3166": "aa",
+    "flag":
+        "https://upload.wikimedia.org/wikipedia/commons/thumb/2/2b/Flag_of_the_Arab_League.svg/400px-Flag_of_the_Arab_League.svg.png",
+    "name": "Arab League"
+  },
+  "hy": "am",
+  "ay": {
+    "proposed_iso_3166": "wh",
+    "flag":
+        "https://upload.wikimedia.org/wikipedia/commons/thumb/b/b7/Banner_of_the_Qulla_Suyu.svg/1920px-Banner_of_the_Qulla_Suyu.svg.png",
+    "name": "Wiphala"
+  },
+  "az": "az",
+  "bm": "ml",
+  "be": "by",
+  "bn": "bd",
+  "bi": "vu",
+  "bs": "ba",
+  "bg": "bg",
+  "my": "mm",
+  "ca": "ad",
+  "zh": "cn",
+  "hr": "hr",
+  "cs": "cz",
+  "da": "dk",
+  "dv": "mv",
+  "nl": "nl",
+  "dz": "bt",
+  "en": "gb",
+  "et": "ee",
+  "ee": {
+    "proposed_iso_3166": "ew",
+    "flag":
+        "https://upload.wikimedia.org/wikipedia/commons/thumb/b/b8/Flag_of_the_Ewe_people.svg/2880px-Flag_of_the_Ewe_people.svg.png",
+    "name": "Ewe"
+  },
+  "fj": "fj",
+  "fil": "ph",
+  "fi": "fi",
+  "fr": "fr",
+  "gaa": "gh",
+  "ka": "ge",
+  "kl": "gl",
+  "de": "de",
+  "el": "gr",
+  "gu": "in",
+  "ht": "ht",
+  "he": "il",
+  "hi": "in",
+  "ho": "pg",
+  "hu": "hu",
+  "is": "is",
+  "ig": "ng",
+  "id": "id",
+  "ga": "ie",
+  "it": "it",
+  "ja": "jp",
+  "kr": "ne",
+  "kk": "kz",
+  "km": "kh",
+  "kmb": "ao",
+  "rw": "rw",
+  "kg": "cg",
+  "ko": "kr",
+  "kj": "ao",
+  "ku": "iq",
+  "ky": "kg",
+  "lo": "la",
+  "la": "va",
+  "lv": "lv",
+  "ln": "cg",
+  "lt": "lt",
+  "lu": "cd",
+  "lb": "lu",
+  "mk": "mk",
+  "mg": "mg",
+  "ms": "my",
+  "mt": "mt",
+  "mi": "nz",
+  "mh": "mh",
+  "mn": "mn",
+  "mos": "bf",
+  "ne": "np",
+  "nd": "zw",
+  "nso": "za",
+  "no": "no",
+  "nb": "no",
+  "nn": "no",
+  "ny": "mw",
+  "pap": "aw",
+  "ps": "af",
+  "fa": "ir",
+  "pl": "pl",
+  "pt": "pt",
+  "pa": "in",
+  "qu": "wh",
+  "ro": "ro",
+  "rm": "ch",
+  "rn": "bi",
+  "ru": "ru",
+  "sg": "cf",
+  "sr": "rs",
+  "srr": "sn",
+  "sn": "zw",
+  "si": "lk",
+  "sk": "sk",
+  "sl": "si",
+  "so": "so",
+  "snk": "sn",
+  "nr": "za",
+  "st": "ls",
+  "es": "es",
+  "sw": {
+    "proposed_iso_3166": "sw",
+    "flag":
+        "https://upload.wikimedia.org/wikipedia/commons/d/de/Flag_of_Swahili.gif",
+    "name": "Swahili"
+  },
+  "ss": "sz",
+  "sv": "se",
+  "tl": "ph",
+  "tg": "tj",
+  "ta": "lk",
+  "te": "in",
+  "tet": "tl",
+  "th": "th",
+  "ti": "er",
+  "tpi": "pg",
+  "ts": "za",
+  "tn": "bw",
+  "tr": "tr",
+  "tk": "tm",
+  "uk": "ua",
+  "umb": "ao",
+  "ur": "pk",
+  "uz": "uz",
+  "ve": "za",
+  "vi": "vn",
+  "cy": "gb",
+  "wo": "sn",
+  "xh": "za",
+  "yo": {
+    "proposed_iso_3166": "yo",
+    "flag":
+        "https://upload.wikimedia.org/wikipedia/commons/0/04/Flag_of_the_Yoruba_people.svg",
+    "name": "Yoruba"
+  },
+  "zu": "za",
+  // Custom
+  "zh_Hans": "cn",
+  "zh_Hant": "cn",
+  "fo": "fo",
+  "bo": "bo",
+  "to": "to",
+};