Frudrax Cheng
75 lines
2.0 KiB
TypeScript
75 lines
2.0 KiB
TypeScript
import {getLocales as defaultGetLocales, Locale} from 'expo-localization'
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import {dedupArray} from '#/lib/functions'
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type LocalWithLanguageCode = Locale & {
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languageCode: string
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}
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/**
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* Normalized locales
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*
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* Handles legacy migration for Java devices.
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*
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* {@link https://github.com/bluesky-social/social-app/pull/4461}
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* {@link https://xml.coverpages.org/iso639a.html}
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*
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* Convert Chinese language tags for Native.
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*
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* {@link https://datatracker.ietf.org/doc/html/rfc5646#appendix-A}
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* {@link https://developer.apple.com/documentation/packagedescription/languagetag}
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* {@link https://gist.github.com/amake/0ac7724681ac1c178c6f95a5b09f03ce#new-locales-vs-old-locales-chinese}
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*/
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export function getLocales() {
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const locales = defaultGetLocales?.() ?? []
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const output: LocalWithLanguageCode[] = []
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for (const locale of locales) {
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if (typeof locale.languageCode === 'string') {
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if (locale.languageCode === 'in') {
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// indonesian
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locale.languageCode = 'id'
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}
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if (locale.languageCode === 'iw') {
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// hebrew
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locale.languageCode = 'he'
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}
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if (locale.languageCode === 'ji') {
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// yiddish
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locale.languageCode = 'yi'
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}
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}
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if (typeof locale.languageTag === 'string') {
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if (locale.languageTag.startsWith('zh-Hans')) {
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// Simplified Chinese to zh-CN
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locale.languageTag = 'zh-CN'
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}
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if (locale.languageTag.startsWith('zh-Hant')) {
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// Traditional Chinese to zh-TW
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locale.languageTag = 'zh-TW'
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}
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if (locale.languageTag.startsWith('yue')) {
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// Cantonese (Yue) to zh-HK
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locale.languageTag = 'zh-HK'
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}
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}
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// @ts-ignore checked above
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output.push(locale)
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}
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return output
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}
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export const deviceLocales = getLocales()
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/**
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* BCP-47 language tag without region e.g. array of 2-char lang codes
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*
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* {@link https://docs.expo.dev/versions/latest/sdk/localization/#locale}
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*/
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export const deviceLanguageCodes = dedupArray(
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deviceLocales.map(l => l.languageCode),
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)
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