e4a88a5e9b
## Ticket
Part of 1368 ("if user overrides the category homepage language with a different language setting + use 'search this language' option, use that instead. It's not typical this will happen, but probably expected.")
## Change
- Refactored to move more logic into `resolveLangForClaimSearch`
- Replaced the ternary version to make it more readable (hopefully).
- Inverted the language filter precedence by honoring the user's setting first.
- Note: for both User and Category, URLSearchParams will always take precedence.
85 lines
2.8 KiB
JavaScript
85 lines
2.8 KiB
JavaScript
import SUPPORTED_BROWSER_LANGUAGES from 'constants/supported_browser_languages';
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const DEFAULT_LANG = 'en';
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export const getDefaultLanguage = () => {
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const browserLanguage = window.navigator.language;
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if (SUPPORTED_BROWSER_LANGUAGES[browserLanguage]) {
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return SUPPORTED_BROWSER_LANGUAGES[browserLanguage];
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}
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if (browserLanguage.includes('-')) {
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// Perhaps it is a sub-lang that we are currently not supporting.
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// See if we support the main one.
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const mainLang = browserLanguage.substring(0, browserLanguage.indexOf('-'));
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if (SUPPORTED_BROWSER_LANGUAGES[mainLang]) {
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return SUPPORTED_BROWSER_LANGUAGES[mainLang];
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}
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}
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return DEFAULT_LANG;
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};
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// If homepages has a key "zh-Hant" return that, otherwise return "zh", otherwise "en"
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export const getDefaultHomepageKey = () => {
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const language = getDefaultLanguage();
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const homepages = window.homepages || {};
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return (homepages[language] && language) || (homepages[language.slice(0, 2)] && language.slice(0, 2)) || DEFAULT_LANG;
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};
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/**
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* Sorts the language map by their native representation (not by language code).
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*
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* @param languages The language map to sort, e.g. "{ 'ja': '日本語', ... }"
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* @returns {[string, string][]}
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*/
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export function sortLanguageMap(languages) {
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return Object.entries(languages).sort((a, b) => {
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const lhs = String(a[1]);
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const rhs = String(b[1]);
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if (lhs < rhs) return -1;
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if (lhs > rhs) return 1;
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return 0;
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});
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}
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/**
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* Resolves the claim_search 'any_language' parameter based on various language settings.
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*
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* @param languageSetting The user (redux) language setting.
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* @param searchInLanguageSetting By default, the user (redux) setting, but some components may override to false (e.g. 'ignoreSearchInLanguage' prop).
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* @param searchLanguages Per-instance default language list (e.g. different Categories having different filters).
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* @param languageUrlParams Language override via URLSearchParams.
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* @returns {string|null} Comma-separated string of language codes, or null.
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*/
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export function resolveLangForClaimSearch(
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languageSetting, // : string,
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searchInLanguageSetting, // : boolean,
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searchLanguages, // : ?Array<string>,
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languageUrlParams = null // : ?string
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) {
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const langParam = languageUrlParams;
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let lang;
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if (searchInLanguageSetting) {
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lang = languageSetting;
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} else if (searchLanguages) {
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lang = searchLanguages.join(',');
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}
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if (lang) {
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if (langParam === null) {
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return lang === 'en' ? 'en,none' : lang;
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} else if (langParam === 'any') {
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return null;
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} else {
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return langParam === 'en' ? 'en,none' : langParam;
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}
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} else if (langParam === null) {
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return null;
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} else if (langParam === 'any') {
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return null;
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} else {
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return langParam === 'en' ? 'en,none' : langParam;
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}
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}
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