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detect the browser language and use that if possible

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This commit is contained in:
Elijah R 2024-04-09 19:42:37 -04:00
parent 17afad3dcd
commit 8a7ec2732d
1 changed files with 18 additions and 4 deletions
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22
src/ts/i18n.ts
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@ -155,8 +155,6 @@ export class I18n {
private langId: string = fallbackId;
async Init() {
let lang = window.localStorage.getItem('i18n-lang');
// Load language list
var res = await fetch("lang/languages.json");
if (!res.ok) {
@ -166,7 +164,6 @@ export class I18n {
return;
}
var langData = await res.json() as LanguagesJson;
if (lang === null) lang = langData.defaultLanguage;
for (const langId of langData.languages) {
let path = `./lang/${langId}.json`;
let res = await fetch(path);
@ -190,7 +187,24 @@ export class I18n {
});
this.languageDropdown.appendChild(a);
});
if (!this.langs.has(lang)) lang = langData.defaultLanguage;
let lang = null;
let lsLang = window.localStorage.getItem('i18n-lang');
var browserLang = navigator.language.toLowerCase();
// If the language is set in localstorage, use that
if (lsLang !== null && this.langs.has(lsLang)) lang = lsLang;
// If the browser language is in the list, use that
else if (this.langs.has(browserLang)) lang = browserLang;
else {
// If the exact browser language isn't in the list, try to find a language with the same prefix
for (let langId of langData.languages) {
if (langId.split('-')[0] === browserLang.split('-')[0]) {
lang = langId;
break;
}
}
}
// If all else fails, use the default language
if (lang === null) lang = langData.defaultLanguage;
this.SetLanguage(this.langs.get(lang) as Language, lang);
this.ReplaceStaticStrings();
}