language

package
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 Go to latest Published: Aug 30, 2026 License: BSD-2-Clause Imports: 2 Imported by: 0

Documentation

Overview

Package language defines a canonical Language type and helpers so an application can name a language once and let each STT/TTS service map it to that provider's own code. The value of each Language is a BCP-47 code (an ISO-639 base, optionally with a region or script subtag).

Each service that takes a language provides its own mapper (for example deepgram and elevenlabs in their packages), because providers disagree on the exact codes: Deepgram wants BCP-47 ("fr-CA"), ElevenLabs wants the base code ("fr"). Resolve is the shared shape those mappers take, so a language a provider has not been verified against still reaches it rather than being dropped.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func Resolve added in v0.1.0 

func Resolve(l Language, codes map[Language]string, useBaseCode bool) string

Resolve maps a language to the code one service takes.

A language the service has been verified against is looked up in codes. One that is not is still sent, derived from the language itself and reported, so an unverified language reaches the provider and is named in the log rather than being silently dropped: providers accept far more than any map lists, and the ones they refuse are worth seeing.

useBaseCode says which form the service takes. A service wanting the base alone ("fr") gets BaseCode; one wanting the full code ("fr-CA") gets that.

Types

type Language 

type Language string

Language is a BCP-47 language code (an ISO-639 base plus an optional region or script subtag). 

const (
	// Afrikaans.
	Afrikaans   Language = "af"
	AfrikaansZA Language = "af-ZA"

	// Amharic.
	Amharic   Language = "am"
	AmharicET Language = "am-ET"

	// Arabic.
	Arabic    Language = "ar"
	ArabicAE  Language = "ar-AE"
	ArabicBH  Language = "ar-BH"
	ArabicDZ  Language = "ar-DZ"
	ArabicEG  Language = "ar-EG"
	ArabicIQ  Language = "ar-IQ"
	ArabicJO  Language = "ar-JO"
	ArabicKW  Language = "ar-KW"
	ArabicLB  Language = "ar-LB"
	ArabicLY  Language = "ar-LY"
	ArabicMA  Language = "ar-MA"
	ArabicOM  Language = "ar-OM"
	ArabicQA  Language = "ar-QA"
	ArabicSA  Language = "ar-SA"
	ArabicSY  Language = "ar-SY"
	ArabicTN  Language = "ar-TN"
	ArabicXA  Language = "ar-XA"
	ArabicYE  Language = "ar-YE"
	Arabic001 Language = "ar-001"

	// Assamese.
	Assamese   Language = "as"
	AssameseIN Language = "as-IN"

	// Asturian.
	Asturian Language = "ast"

	// Azerbaijani.
	Azerbaijani   Language = "az"
	AzerbaijaniAZ Language = "az-AZ"

	// Bashkir.
	Bashkir Language = "ba"

	// Belarusian.
	Belarusian   Language = "be"
	BelarusianBY Language = "be-BY"

	// Bulgarian.
	Bulgarian   Language = "bg"
	BulgarianBG Language = "bg-BG"

	// Bengali.
	Bengali   Language = "bn"
	BengaliBD Language = "bn-BD"
	BengaliIN Language = "bn-IN"

	// Tibetan.
	Tibetan Language = "bo"

	// Breton.
	Breton Language = "br"

	// Bosnian.
	Bosnian   Language = "bs"
	BosnianBA Language = "bs-BA"

	// Catalan.
	Catalan   Language = "ca"
	CatalanES Language = "ca-ES"

	// Cebuano.
	Cebuano   Language = "ceb"
	CebuanoPH Language = "ceb-PH"

	// Mandarin Chinese.
	MandarinChinese   Language = "cmn"
	MandarinChineseCN Language = "cmn-CN"

	// Czech.
	Czech   Language = "cs"
	CzechCZ Language = "cs-CZ"

	// Welsh.
	Welsh   Language = "cy"
	WelshGB Language = "cy-GB"

	// Danish.
	Danish   Language = "da"
	DanishDK Language = "da-DK"

	// German.
	German   Language = "de"
	GermanAT Language = "de-AT"
	GermanBE Language = "de-BE"
	GermanCH Language = "de-CH"
	GermanDE Language = "de-DE"

	// Greek.
	Greek   Language = "el"
	GreekGR Language = "el-GR"

	// English.
	English   Language = "en"
	EnglishAU Language = "en-AU"
	EnglishCA Language = "en-CA"
	EnglishGB Language = "en-GB"
	EnglishGH Language = "en-GH"
	EnglishHK Language = "en-HK"
	EnglishIE Language = "en-IE"
	EnglishIN Language = "en-IN"
	EnglishKE Language = "en-KE"
	EnglishNG Language = "en-NG"
	EnglishNZ Language = "en-NZ"
	EnglishPH Language = "en-PH"
	EnglishSG Language = "en-SG"
	EnglishTZ Language = "en-TZ"
	EnglishUS Language = "en-US"
	EnglishZA Language = "en-ZA"

	// Esperanto.
	Esperanto Language = "eo"

	// Spanish.
	Spanish    Language = "es"
	SpanishAR  Language = "es-AR"
	SpanishBO  Language = "es-BO"
	SpanishCL  Language = "es-CL"
	SpanishCO  Language = "es-CO"
	SpanishCR  Language = "es-CR"
	SpanishCU  Language = "es-CU"
	SpanishDO  Language = "es-DO"
	SpanishEC  Language = "es-EC"
	SpanishES  Language = "es-ES"
	SpanishGQ  Language = "es-GQ"
	SpanishGT  Language = "es-GT"
	SpanishHN  Language = "es-HN"
	SpanishMX  Language = "es-MX"
	SpanishNI  Language = "es-NI"
	SpanishPA  Language = "es-PA"
	SpanishPE  Language = "es-PE"
	SpanishPR  Language = "es-PR"
	SpanishPY  Language = "es-PY"
	SpanishSV  Language = "es-SV"
	SpanishUS  Language = "es-US"
	SpanishUY  Language = "es-UY"
	SpanishVE  Language = "es-VE"
	Spanish419 Language = "es-419"

	// Estonian.
	Estonian   Language = "et"
	EstonianEE Language = "et-EE"

	// Basque.
	Basque   Language = "eu"
	BasqueES Language = "eu-ES"

	// Persian.
	Persian   Language = "fa"
	PersianIR Language = "fa-IR"

	// Fulah.
	Fulah Language = "ff"

	// Finnish.
	Finnish   Language = "fi"
	FinnishFI Language = "fi-FI"

	// Filipino.
	Filipino   Language = "fil"
	FilipinoPH Language = "fil-PH"

	// Faroese.
	Faroese Language = "fo"

	// French.
	French   Language = "fr"
	FrenchBE Language = "fr-BE"
	FrenchCA Language = "fr-CA"
	FrenchCH Language = "fr-CH"
	FrenchFR Language = "fr-FR"

	// Irish.
	Irish   Language = "ga"
	IrishIE Language = "ga-IE"

	// Gaelic.
	Gaelic Language = "gd"

	// Galician.
	Galician   Language = "gl"
	GalicianES Language = "gl-ES"

	// Gujarati.
	Gujarati   Language = "gu"
	GujaratiIN Language = "gu-IN"

	// Hausa.
	Hausa Language = "ha"

	// Hawaiian.
	Hawaiian Language = "haw"

	// Hebrew.
	Hebrew   Language = "he"
	HebrewIL Language = "he-IL"

	// Hindi.
	Hindi   Language = "hi"
	HindiIN Language = "hi-IN"

	// Croatian.
	Croatian   Language = "hr"
	CroatianHR Language = "hr-HR"

	// Haitian Creole.
	HaitianCreole   Language = "ht"
	HaitianCreoleHT Language = "ht-HT"

	// Hungarian.
	Hungarian   Language = "hu"
	HungarianHU Language = "hu-HU"

	// Armenian.
	Armenian   Language = "hy"
	ArmenianAM Language = "hy-AM"

	// Indonesian.
	Indonesian   Language = "id"
	IndonesianID Language = "id-ID"

	// Igbo.
	Igbo Language = "ig"

	// Icelandic.
	Icelandic   Language = "is"
	IcelandicIS Language = "is-IS"

	// Italian.
	Italian   Language = "it"
	ItalianIT Language = "it-IT"
	ItalianCH Language = "it-CH"

	// Inuktitut.
	InuktitutCans   Language = "iu-Cans"
	InuktitutCansCA Language = "iu-Cans-CA"
	InuktitutLatn   Language = "iu-Latn"
	InuktitutLatnCA Language = "iu-Latn-CA"

	// Japanese.
	Japanese   Language = "ja"
	JapaneseJP Language = "ja-JP"

	// Javanese.
	Javanese   Language = "jv"
	JavaneseID Language = "jv-ID"
	JavaneseJV Language = "jv-JV"
	JavaneseJW Language = "jw"

	// Georgian.
	Georgian   Language = "ka"
	GeorgianGE Language = "ka-GE"

	// Kabuverdianu.
	Kabuverdianu Language = "kea"

	// Kazakh.
	Kazakh   Language = "kk"
	KazakhKZ Language = "kk-KZ"

	// Khmer.
	Khmer   Language = "km"
	KhmerKH Language = "km-KH"

	// Kannada.
	Kannada   Language = "kn"
	KannadaIN Language = "kn-IN"

	// Konkani.
	Konkani   Language = "kok"
	KonkaniIN Language = "kok-IN"

	// Korean.
	Korean   Language = "ko"
	KoreanKR Language = "ko-KR"

	// Kurdish.
	Kurdish Language = "ku"

	// Kyrgyz.
	Kyrgyz   Language = "ky"
	KyrgyzKG Language = "ky-KG"

	// Latin.
	Latin   Language = "la"
	LatinVA Language = "la-VA"

	// Luxembourgish.
	Luxembourgish   Language = "lb"
	LuxembourgishLU Language = "lb-LU"

	// Lingala.
	Lingala Language = "ln"

	// Lao.
	Lao   Language = "lo"
	LaoLA Language = "lo-LA"

	// Lithuanian.
	Lithuanian   Language = "lt"
	LithuanianLT Language = "lt-LT"

	// Ganda.
	Ganda Language = "lg"

	// Luo.
	Luo Language = "luo"

	// Latvian.
	Latvian   Language = "lv"
	LatvianLV Language = "lv-LV"

	// Malagasy.
	Malagasy   Language = "mg"
	MalagasyMG Language = "mg-MG"

	// Maori.
	Maori Language = "mi"

	// Macedonian.
	Macedonian   Language = "mk"
	MacedonianMK Language = "mk-MK"

	// Maithili.
	Maithili   Language = "mai"
	MaithiliIN Language = "mai-IN"

	// Malayalam.
	Malayalam   Language = "ml"
	MalayalamIN Language = "ml-IN"

	// Mongolian.
	Mongolian   Language = "mn"
	MongolianMN Language = "mn-MN"

	// Marathi.
	Marathi   Language = "mr"
	MarathiIN Language = "mr-IN"

	// Malay.
	Malay   Language = "ms"
	MalayMY Language = "ms-MY"

	// Maltese.
	Maltese   Language = "mt"
	MalteseMT Language = "mt-MT"

	// Burmese.
	Burmese     Language = "my"
	BurmeseMM   Language = "my-MM"
	BurmeseMymr Language = "mymr"

	// Norwegian.
	NorwegianBokmal    Language = "nb"
	NorwegianBokmalNO  Language = "nb-NO"
	Norwegian          Language = "no"
	NorwegianNynorsk   Language = "nn"
	NorwegianNynorskNO Language = "nn-NO"

	// Nepali.
	Nepali   Language = "ne"
	NepaliNP Language = "ne-NP"

	// Dutch.
	Dutch   Language = "nl"
	DutchBE Language = "nl-BE"
	DutchNL Language = "nl-NL"

	// Northern Sotho.
	NorthernSotho Language = "nso"

	// Chichewa.
	Chichewa Language = "ny"

	// Occitan.
	Occitan Language = "oc"

	// Odia.
	Odia   Language = "or"
	OdiaIN Language = "or-IN"

	// Punjabi.
	Punjabi   Language = "pa"
	PunjabiIN Language = "pa-IN"

	// Polish.
	Polish   Language = "pl"
	PolishPL Language = "pl-PL"

	// Pashto.
	Pashto   Language = "ps"
	PashtoAF Language = "ps-AF"

	// Portuguese.
	Portuguese   Language = "pt"
	PortugueseBR Language = "pt-BR"
	PortuguesePT Language = "pt-PT"

	// Romanian.
	Romanian   Language = "ro"
	RomanianRO Language = "ro-RO"

	// Russian.
	Russian   Language = "ru"
	RussianRU Language = "ru-RU"

	// Sanskrit.
	Sanskrit Language = "sa"

	// Sindhi.
	Sindhi   Language = "sd"
	SindhiIN Language = "sd-IN"

	// Sinhala.
	Sinhala   Language = "si"
	SinhalaLK Language = "si-LK"

	// Slovak.
	Slovak   Language = "sk"
	SlovakSK Language = "sk-SK"

	// Slovenian.
	Slovenian   Language = "sl"
	SlovenianSI Language = "sl-SI"

	// Shona.
	Shona Language = "sn"

	// Somali.
	Somali   Language = "so"
	SomaliSO Language = "so-SO"

	// Albanian.
	Albanian   Language = "sq"
	AlbanianAL Language = "sq-AL"

	// Serbian.
	Serbian       Language = "sr"
	SerbianRS     Language = "sr-RS"
	SerbianLatn   Language = "sr-Latn"
	SerbianLatnRS Language = "sr-Latn-RS"

	// Sundanese.
	Sundanese   Language = "su"
	SundaneseID Language = "su-ID"

	// Swedish.
	Swedish   Language = "sv"
	SwedishSE Language = "sv-SE"

	// Swahili.
	Swahili   Language = "sw"
	SwahiliKE Language = "sw-KE"
	SwahiliTZ Language = "sw-TZ"

	// Tamil.
	Tamil   Language = "ta"
	TamilIN Language = "ta-IN"
	TamilLK Language = "ta-LK"
	TamilMY Language = "ta-MY"
	TamilSG Language = "ta-SG"

	// Telugu.
	Telugu   Language = "te"
	TeluguIN Language = "te-IN"

	// Tajik.
	Tajik Language = "tg"

	// Thai.
	Thai   Language = "th"
	ThaiTH Language = "th-TH"

	// Turkmen.
	Turkmen Language = "tk"

	// Tagalog.
	Tagalog Language = "tl"

	// Turkish.
	Turkish   Language = "tr"
	TurkishTR Language = "tr-TR"

	// Tatar.
	Tatar Language = "tt"

	// Uyghur.
	Uyghur Language = "ug"

	// Ukrainian.
	Ukrainian   Language = "uk"
	UkrainianUA Language = "uk-UA"

	// Umbundu.
	Umbundu Language = "umb"

	// Urdu.
	Urdu   Language = "ur"
	UrduIN Language = "ur-IN"
	UrduPK Language = "ur-PK"

	// Uzbek.
	Uzbek   Language = "uz"
	UzbekUZ Language = "uz-UZ"

	// Vietnamese.
	Vietnamese   Language = "vi"
	VietnameseVN Language = "vi-VN"

	// Wolof.
	Wolof Language = "wo"

	// Wu Chinese.
	WuChinese   Language = "wuu"
	WuChineseCN Language = "wuu-CN"

	// Yiddish.
	Yiddish Language = "yi"

	// Yoruba.
	Yoruba Language = "yo"

	// Yue Chinese (Cantonese).
	YueChineseCantonese   Language = "yue"
	YueChineseCantoneseCN Language = "yue-CN"

	// Chinese.
	Chinese           Language = "zh"
	ChineseCN         Language = "zh-CN"
	ChineseCNGuangxi  Language = "zh-CN-guangxi"
	ChineseCNHenan    Language = "zh-CN-henan"
	ChineseCNLiaoning Language = "zh-CN-liaoning"
	ChineseCNShaanxi  Language = "zh-CN-shaanxi"
	ChineseCNShandong Language = "zh-CN-shandong"
	ChineseCNSichuan  Language = "zh-CN-sichuan"
	ChineseHK         Language = "zh-HK"
	ChineseTW         Language = "zh-TW"

	// Xhosa.
	Xhosa Language = "xh-ZA"

	// Zulu.
	Zulu   Language = "zu"
	ZuluZA Language = "zu-ZA"
)

The languages a service can be asked for. The constant's value is its BCP-47 code, and the groups are the languages themselves: a group's bare constant is the language with no region, and the rest name one region or script of it.

func All added in v0.1.0 

func All() []Language

All returns every language the catalog names, in the order it names them.

It is what a Python enum gives for free by being iterable: a caller building a service's map, or listing what an application can be asked for, needs the set rather than the names one at a time. The slice is fresh on each call, so a caller sorting or filtering it cannot edit the catalog.

func (Language) BaseCode 

func (l Language) BaseCode() string

BaseCode returns the language without any region or script subtag (for example "fr" for FrenchCA, "zh" for ChineseCN).

func (Language) Code 

func (l Language) Code() string

Code returns the BCP-47 code (the constant's value).

Source Files

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