lbry-desktop/ui/util/default-languages.js
infinite-persistence 76493d48ee
Missed remaining 'homepages' imports
This is a follow-up for #1016

Still doesn't affect anything at the moment, but this reduce the amount of work needed when we yank out the homepages from our bundle later.
2022-03-04 11:10:08 +08:00

67 lines
2.3 KiB
JavaScript

import SUPPORTED_BROWSER_LANGUAGES from 'constants/supported_browser_languages';
const DEFAULT_LANG = 'en';
export const getDefaultLanguage = () => {
const browserLanguage = window.navigator.language;
if (SUPPORTED_BROWSER_LANGUAGES[browserLanguage]) {
return SUPPORTED_BROWSER_LANGUAGES[browserLanguage];
}
if (browserLanguage.includes('-')) {
// Perhaps it is a sub-lang that we are currently not supporting.
// See if we support the main one.
const mainLang = browserLanguage.substring(0, browserLanguage.indexOf('-'));
if (SUPPORTED_BROWSER_LANGUAGES[mainLang]) {
return SUPPORTED_BROWSER_LANGUAGES[mainLang];
}
}
return DEFAULT_LANG;
};
// If homepages has a key "zh-Hant" return that, otherwise return "zh", otherwise "en"
export const getDefaultHomepageKey = () => {
const language = getDefaultLanguage();
const homepages = window.homepages || {};
return (homepages[language] && language) || (homepages[language.slice(0, 2)] && language.slice(0, 2)) || DEFAULT_LANG;
};
/**
* Sorts the language map by their native representation (not by language code).
*
* @param languages The language map to sort, e.g. "{ 'ja': '日本語', ... }"
* @returns {[string, string][]}
*/
export function sortLanguageMap(languages) {
return Object.entries(languages).sort((a, b) => {
const lhs = String(a[1]);
const rhs = String(b[1]);
if (lhs < rhs) return -1;
if (lhs > rhs) return 1;
return 0;
});
}
/**
* Resolves the language parameter for a claim_search based on various settings.
*
* @param langSetting The user's language setting.
* @param searchInSelectedLangOnly Return results in the given language only.
* @param langParam Language override for specific use-cases, typically from urlParam.
* @returns {string|null} Comma-separated string of language codes, or null.
*/
export function resolveLangForClaimSearch(langSetting, searchInSelectedLangOnly, langParam = null) {
// TODO: expand ternary for easier maintenance.
return searchInSelectedLangOnly
? langParam === null
? langSetting.concat(langSetting === 'en' ? ',none' : '')
: langParam === 'any'
? null
: langParam.concat(langParam === 'en' ? ',none' : '')
: langParam === null
? null
: langParam === 'any'
? null
: langParam.concat(langParam === 'en' ? ',none' : '');
}