app/helpers/languages_helper.rb
# frozen_string_literal: true
module LanguagesHelper
ISO_639_1 = {
aa: ['Afar', 'Afaraf'].freeze,
ab: ['Abkhaz', 'аҧсуа бызшәа'].freeze,
ae: ['Avestan', 'avesta'].freeze,
af: ['Afrikaans', 'Afrikaans'].freeze,
ak: ['Akan', 'Akan'].freeze,
am: ['Amharic', 'አማርኛ'].freeze,
an: ['Aragonese', 'aragonés'].freeze,
ar: ['Arabic', 'اللغة العربية'].freeze,
as: ['Assamese', 'অসমীয়া'].freeze,
av: ['Avaric', 'авар мацӀ'].freeze,
ay: ['Aymara', 'aymar aru'].freeze,
az: ['Azerbaijani', 'azərbaycan dili'].freeze,
ba: ['Bashkir', 'башҡорт теле'].freeze,
be: ['Belarusian', 'беларуская мова'].freeze,
bg: ['Bulgarian', 'български език'].freeze,
bh: ['Bihari', 'भोजपुरी'].freeze,
bi: ['Bislama', 'Bislama'].freeze,
bm: ['Bambara', 'bamanankan'].freeze,
bn: ['Bengali', 'বাংলা'].freeze,
bo: ['Tibetan', 'བོད་ཡིག'].freeze,
br: ['Breton', 'brezhoneg'].freeze,
bs: ['Bosnian', 'bosanski jezik'].freeze,
ca: ['Catalan', 'Català'].freeze,
ce: ['Chechen', 'нохчийн мотт'].freeze,
ch: ['Chamorro', 'Chamoru'].freeze,
co: ['Corsican', 'corsu'].freeze,
cr: ['Cree', 'ᓀᐦᐃᔭᐍᐏᐣ'].freeze,
cs: ['Czech', 'čeština'].freeze,
cu: ['Old Church Slavonic', 'ѩзыкъ словѣньскъ'].freeze,
cv: ['Chuvash', 'чӑваш чӗлхи'].freeze,
cy: ['Welsh', 'Cymraeg'].freeze,
da: ['Danish', 'dansk'].freeze,
de: ['German', 'Deutsch'].freeze,
dv: ['Divehi', 'Dhivehi'].freeze,
dz: ['Dzongkha', 'རྫོང་ཁ'].freeze,
ee: ['Ewe', 'Eʋegbe'].freeze,
el: ['Greek', 'Ελληνικά'].freeze,
en: ['English', 'English'].freeze,
eo: ['Esperanto', 'Esperanto'].freeze,
es: ['Spanish', 'Español'].freeze,
et: ['Estonian', 'eesti'].freeze,
eu: ['Basque', 'euskara'].freeze,
fa: ['Persian', 'فارسی'].freeze,
ff: ['Fula', 'Fulfulde'].freeze,
fi: ['Finnish', 'suomi'].freeze,
fj: ['Fijian', 'Vakaviti'].freeze,
fo: ['Faroese', 'føroyskt'].freeze,
fr: ['French', 'Français'].freeze,
fy: ['Western Frisian', 'Frysk'].freeze,
ga: ['Irish', 'Gaeilge'].freeze,
gd: ['Scottish Gaelic', 'Gàidhlig'].freeze,
gl: ['Galician', 'galego'].freeze,
gu: ['Gujarati', 'ગુજરાતી'].freeze,
gv: ['Manx', 'Gaelg'].freeze,
ha: ['Hausa', 'هَوُسَ'].freeze,
he: ['Hebrew', 'עברית'].freeze,
hi: ['Hindi', 'हिन्दी'].freeze,
ho: ['Hiri Motu', 'Hiri Motu'].freeze,
hr: ['Croatian', 'Hrvatski'].freeze,
ht: ['Haitian', 'Kreyòl ayisyen'].freeze,
hu: ['Hungarian', 'magyar'].freeze,
hy: ['Armenian', 'Հայերեն'].freeze,
hz: ['Herero', 'Otjiherero'].freeze,
ia: ['Interlingua', 'Interlingua'].freeze,
id: ['Indonesian', 'Bahasa Indonesia'].freeze,
ie: ['Interlingue', 'Interlingue'].freeze,
ig: ['Igbo', 'Asụsụ Igbo'].freeze,
ii: ['Nuosu', 'ꆈꌠ꒿ Nuosuhxop'].freeze,
ik: ['Inupiaq', 'Iñupiaq'].freeze,
io: ['Ido', 'Ido'].freeze,
is: ['Icelandic', 'Íslenska'].freeze,
it: ['Italian', 'Italiano'].freeze,
iu: ['Inuktitut', 'ᐃᓄᒃᑎᑐᑦ'].freeze,
ja: ['Japanese', '日本語'].freeze,
jv: ['Javanese', 'basa Jawa'].freeze,
ka: ['Georgian', 'ქართული'].freeze,
kg: ['Kongo', 'Kikongo'].freeze,
ki: ['Kikuyu', 'Gĩkũyũ'].freeze,
kj: ['Kwanyama', 'Kuanyama'].freeze,
kk: ['Kazakh', 'қазақ тілі'].freeze,
kl: ['Kalaallisut', 'kalaallisut'].freeze,
km: ['Khmer', 'ខេមរភាសា'].freeze,
kn: ['Kannada', 'ಕನ್ನಡ'].freeze,
ko: ['Korean', '한국어'].freeze,
kr: ['Kanuri', 'Kanuri'].freeze,
ks: ['Kashmiri', 'कश्मीरी'].freeze,
ku: ['Kurmanji (Kurdish)', 'Kurmancî'].freeze,
kv: ['Komi', 'коми кыв'].freeze,
kw: ['Cornish', 'Kernewek'].freeze,
ky: ['Kyrgyz', 'Кыргызча'].freeze,
la: ['Latin', 'latine'].freeze,
lb: ['Luxembourgish', 'Lëtzebuergesch'].freeze,
lg: ['Ganda', 'Luganda'].freeze,
li: ['Limburgish', 'Limburgs'].freeze,
ln: ['Lingala', 'Lingála'].freeze,
lo: ['Lao', 'ລາວ'].freeze,
lt: ['Lithuanian', 'lietuvių kalba'].freeze,
lu: ['Luba-Katanga', 'Tshiluba'].freeze,
lv: ['Latvian', 'latviešu valoda'].freeze,
mg: ['Malagasy', 'fiteny malagasy'].freeze,
mh: ['Marshallese', 'Kajin M̧ajeļ'].freeze,
mi: ['Māori', 'te reo Māori'].freeze,
mk: ['Macedonian', 'македонски јазик'].freeze,
ml: ['Malayalam', 'മലയാളം'].freeze,
mn: ['Mongolian', 'Монгол хэл'].freeze,
mr: ['Marathi', 'मराठी'].freeze,
ms: ['Malay', 'Bahasa Melayu'].freeze,
'ms-Arab': ['Jawi Malay', 'بهاس ملايو'].freeze,
mt: ['Maltese', 'Malti'].freeze,
my: ['Burmese', 'ဗမာစာ'].freeze,
na: ['Nauru', 'Ekakairũ Naoero'].freeze,
nb: ['Norwegian Bokmål', 'Norsk bokmål'].freeze,
nd: ['Northern Ndebele', 'isiNdebele'].freeze,
ne: ['Nepali', 'नेपाली'].freeze,
ng: ['Ndonga', 'Owambo'].freeze,
nl: ['Dutch', 'Nederlands'].freeze,
nn: ['Norwegian Nynorsk', 'Norsk Nynorsk'].freeze,
no: ['Norwegian', 'Norsk'].freeze,
nr: ['Southern Ndebele', 'isiNdebele'].freeze,
nv: ['Navajo', 'Diné bizaad'].freeze,
ny: ['Chichewa', 'chiCheŵa'].freeze,
oc: ['Occitan', 'occitan'].freeze,
oj: ['Ojibwe', 'ᐊᓂᔑᓈᐯᒧᐎᓐ'].freeze,
om: ['Oromo', 'Afaan Oromoo'].freeze,
or: ['Oriya', 'ଓଡ଼ିଆ'].freeze,
os: ['Ossetian', 'ирон æвзаг'].freeze,
pa: ['Punjabi', 'ਪੰਜਾਬੀ'].freeze,
pi: ['Pāli', 'पाऴि'].freeze,
pl: ['Polish', 'Polski'].freeze,
ps: ['Pashto', 'پښتو'].freeze,
pt: ['Portuguese', 'Português'].freeze,
qu: ['Quechua', 'Runa Simi'].freeze,
rm: ['Romansh', 'rumantsch grischun'].freeze,
rn: ['Kirundi', 'Ikirundi'].freeze,
ro: ['Romanian', 'Română'].freeze,
ru: ['Russian', 'Русский'].freeze,
rw: ['Kinyarwanda', 'Ikinyarwanda'].freeze,
sa: ['Sanskrit', 'संस्कृतम्'].freeze,
sc: ['Sardinian', 'sardu'].freeze,
sd: ['Sindhi', 'सिन्धी'].freeze,
se: ['Northern Sami', 'Davvisámegiella'].freeze,
sg: ['Sango', 'yângâ tî sängö'].freeze,
si: ['Sinhala', 'සිංහල'].freeze,
sk: ['Slovak', 'slovenčina'].freeze,
sl: ['Slovenian', 'slovenščina'].freeze,
sn: ['Shona', 'chiShona'].freeze,
so: ['Somali', 'Soomaaliga'].freeze,
sq: ['Albanian', 'Shqip'].freeze,
sr: ['Serbian', 'српски језик'].freeze,
ss: ['Swati', 'SiSwati'].freeze,
st: ['Southern Sotho', 'Sesotho'].freeze,
su: ['Sundanese', 'Basa Sunda'].freeze,
sv: ['Swedish', 'Svenska'].freeze,
sw: ['Swahili', 'Kiswahili'].freeze,
ta: ['Tamil', 'தமிழ்'].freeze,
te: ['Telugu', 'తెలుగు'].freeze,
tg: ['Tajik', 'тоҷикӣ'].freeze,
th: ['Thai', 'ไทย'].freeze,
ti: ['Tigrinya', 'ትግርኛ'].freeze,
tk: ['Turkmen', 'Türkmen'].freeze,
tl: ['Tagalog', 'Wikang Tagalog'].freeze,
tn: ['Tswana', 'Setswana'].freeze,
to: ['Tonga', 'faka Tonga'].freeze,
tr: ['Turkish', 'Türkçe'].freeze,
ts: ['Tsonga', 'Xitsonga'].freeze,
tt: ['Tatar', 'татар теле'].freeze,
tw: ['Twi', 'Twi'].freeze,
ty: ['Tahitian', 'Reo Tahiti'].freeze,
ug: ['Uyghur', 'ئۇيغۇرچە'].freeze,
uk: ['Ukrainian', 'Українська'].freeze,
ur: ['Urdu', 'اردو'].freeze,
uz: ['Uzbek', 'Ўзбек'].freeze,
ve: ['Venda', 'Tshivenḓa'].freeze,
vi: ['Vietnamese', 'Tiếng Việt'].freeze,
vo: ['Volapük', 'Volapük'].freeze,
wa: ['Walloon', 'walon'].freeze,
wo: ['Wolof', 'Wollof'].freeze,
xh: ['Xhosa', 'isiXhosa'].freeze,
yi: ['Yiddish', 'ייִדיש'].freeze,
yo: ['Yoruba', 'Yorùbá'].freeze,
za: ['Zhuang', 'Saɯ cueŋƅ'].freeze,
zh: ['Chinese', '中文'].freeze,
zu: ['Zulu', 'isiZulu'].freeze,
}.freeze
ISO_639_3 = {
ast: ['Asturian', 'Asturianu'].freeze,
chr: ['Cherokee', 'ᏣᎳᎩ ᎦᏬᏂᎯᏍᏗ'].freeze,
ckb: ['Sorani (Kurdish)', 'سۆرانی'].freeze,
cnr: ['Montenegrin', 'crnogorski'].freeze,
csb: ['Kashubian', 'Kaszëbsczi'].freeze,
jbo: ['Lojban', 'la .lojban.'].freeze,
kab: ['Kabyle', 'Taqbaylit'].freeze,
ldn: ['Láadan', 'Láadan'].freeze,
lfn: ['Lingua Franca Nova', 'lingua franca nova'].freeze,
moh: ['Mohawk', 'Kanienʼkéha'].freeze,
nds: ['Low German', 'Plattdüütsch'].freeze,
pdc: ['Pennsylvania Dutch', 'Pennsilfaani-Deitsch'].freeze,
sco: ['Scots', 'Scots'].freeze,
sma: ['Southern Sami', 'Åarjelsaemien Gïele'].freeze,
smj: ['Lule Sami', 'Julevsámegiella'].freeze,
szl: ['Silesian', 'ślůnsko godka'].freeze,
tok: ['Toki Pona', 'toki pona'].freeze,
vai: ['Vai', 'ꕙꔤ'].freeze,
xal: ['Kalmyk', 'Хальмг келн'].freeze,
zba: ['Balaibalan', 'باليبلن'].freeze,
zgh: ['Standard Moroccan Tamazight', 'ⵜⴰⵎⴰⵣⵉⵖⵜ'].freeze,
}.freeze
# e.g. For Chinese, which is not a language,
# but a language family in spite of sharing the main locale code
# We need to be able to filter these
ISO_639_1_REGIONAL = {
'zh-CN': ['Chinese (China)', '简体中文'].freeze,
'zh-HK': ['Chinese (Hong Kong)', '繁體中文（香港）'].freeze,
'zh-TW': ['Chinese (Taiwan)', '繁體中文（臺灣）'].freeze,
'zh-YUE': ['Cantonese', '廣東話'].freeze,
}.freeze
SUPPORTED_LOCALES = {}.merge(ISO_639_1).merge(ISO_639_1_REGIONAL).merge(ISO_639_3).freeze
# For ISO-639-1 and ISO-639-3 language codes, we have their official
# names, but for some translations, we need the names of the
# regional variants specifically
REGIONAL_LOCALE_NAMES = {
'en-GB': 'English (British)',
'es-AR': 'Español (Argentina)',
'es-MX': 'Español (México)',
'fr-CA': 'Français (Canadien)',
'pt-BR': 'Português (Brasil)',
'pt-PT': 'Português (Portugal)',
'sr-Latn': 'Srpski (latinica)',
}.freeze
# Helper for self.sorted_locale_keys
private_class_method def self.locale_name_for_sorting(locale)
if locale.blank? || locale == 'und'
'000'
elsif (supported_locale = SUPPORTED_LOCALES[locale.to_sym])
ASCIIFolding.new.fold(supported_locale[1]).downcase
elsif (regional_locale = REGIONAL_LOCALE_NAMES[locale.to_sym])
ASCIIFolding.new.fold(regional_locale).downcase
else
locale
end
end
# Sort locales by native name for dropdown menus
def self.sorted_locale_keys(locale_keys)
locale_keys.sort_by { |key, _| locale_name_for_sorting(key) }
end
def native_locale_name(locale)
if locale.blank? || locale == 'und'
I18n.t('generic.none')
elsif (supported_locale = SUPPORTED_LOCALES[locale.to_sym])
supported_locale[1]
elsif (regional_locale = REGIONAL_LOCALE_NAMES[locale.to_sym])
regional_locale
else
locale
end
end
def standard_locale_name(locale)
if locale.blank?
I18n.t('generic.none')
elsif (supported_locale = SUPPORTED_LOCALES[locale.to_sym])
supported_locale[0]
else
locale
end
end
def valid_locale_or_nil(str)
return if str.blank?
return str if valid_locale?(str)
code, = str.to_s.split(/[_-]/) # Strip out the region from e.g. en_US or ja-JP
return unless valid_locale?(code)
code
end
def valid_locale_cascade(*arr)
arr.each do |str|
locale = valid_locale_or_nil(str)
return locale if locale.present?
end
nil
end
def valid_locale?(locale)
locale.present? && SUPPORTED_LOCALES.key?(locale.to_sym)
end
def available_locale_or_nil(locale_name)
locale_name.to_sym if locale_name.present? && I18n.available_locales.include?(locale_name.to_sym)
end
end