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feat: auto detect language (#947)

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* added auto-detect language

* fix(TranslationSelect) now saving the selected language between sessions

* fix(LangSelector.spec)

* fix(conflict)

* fix(Swedish) sv-SE
This commit is contained in:
Marco Beretta 2023-09-18 21:40:20 +02:00 • committed by GitHub
parent 2419af8748
commit b48c618f32
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12 changed files with 329 additions and 328 deletions
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67
client/src/localization/Translation.tsx
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@ -11,6 +11,21 @@ import Japanese from './languages/Jp';
import Swedish from './languages/Sv';
// === import additional language files here === //
const languageMap: { [key: string]: unknown } = {
'en-US': English,
'zh-CN': Chinese,
'de-DE': German,
'es-ES': Spanish,
'fr-FR': French,
'it-IT': Italian,
'pl-PL': Polish,
'pt-BR': Portuguese,
'ru-RU': Russian,
'ja-JP': Japanese,
'sv-SE': Swedish,
// Add additional language mappings here
};
// New method on String allow using "{\d}" placeholder for
// loading value dynamically.
declare global {
@ -22,7 +37,7 @@ declare global {
if (!String.prototype.format) {
String.prototype.format = function (...args: string[]) {
return this.replace(/{(\d+)}/g, function (match, number) {
return typeof args[number] != 'undefined' ? args[number] : match;
return typeof args[number] !== 'undefined' ? args[number] : match;
});
};
}
@ -30,57 +45,15 @@ if (!String.prototype.format) {
// input: language code in string
// returns an object of translated strings in the language
export const getTranslations = (langCode: string) => {
if (langCode === 'en') {
return English;
}
if (langCode === 'cn') {
return Chinese;
}
if (langCode === 'fr') {
return French;
}
if (langCode === 'de') {
return German;
}
if (langCode === 'it') {
return Italian;
}
if (langCode === 'pl') {
return Polish;
}
if (langCode === 'br') {
return Portuguese;
}
if (langCode === 'es') {
return Spanish;
}
if (langCode === 'ru') {
return Russian;
}
if (langCode === 'jp') {
return Japanese;
}
if (langCode === 'sv') {
return Swedish;
}
// === add conditionals here for additional languages here === //
return English; // default to English
const language = languageMap[langCode] || English;
return language;
};
// input: language code in string & phrase key in string
// returns an corresponding phrase value in string
export const localize = (langCode: string, phraseKey: string, ...values: string[]) => {
const lang = getTranslations(langCode);
if (phraseKey in lang) {
return lang[phraseKey].format(...values);
}
const phrase = lang[phraseKey] || English[phraseKey] || '';
if (phraseKey in English) {
// Fall back logic to cover untranslated phrases
return English[phraseKey].format(...values);
}
// In case the key is not defined, return empty instead of throw errors.
return '';
return phrase.format(...values);
};