Files
gallery/static/src/language.ts

65 lines
2.4 KiB
TypeScript

(() => {
const getStoredLanguage = () => {
const m = document.cookie.match(/language=(\w+)/);
return m ? m[1] : null;
};
const setStoredLanguage = (language: string) => (document.cookie = `language=${language}; max-age=34560000; path=/`);
const getPreferredLanguage = () => {
const storedLanguage = getStoredLanguage();
if (storedLanguage) {
return storedLanguage;
}
const result = window.navigator.language.split("-")[0];
return ["en", "ru"].includes(result) ? result : "en";
};
const setLanguage = (language: string) => {};
setLanguage(getPreferredLanguage());
const showActiveLanguage = (language: string, focus = false) => {
const languageSwitcher = document.querySelector("#bd-language");
if (!languageSwitcher) {
return;
}
const languageSwitcherText = document.querySelector("#bd-language-text");
const activeLanguageIcon = document.querySelector(".language-icon-active");
const btnToActive = document.querySelector(`[data-bs-language-value="${language}"]`);
const activeLanguageIconClass = btnToActive.querySelector(".fi").className.match(/fi-[\w-]+/)[0];
document.querySelectorAll("[data-bs-language-value]").forEach((element) => {
element.classList.remove("active");
element.setAttribute("aria-pressed", "false");
});
btnToActive.classList.add("active");
btnToActive.setAttribute("aria-pressed", "true");
const classesToRemove = Array.from(activeLanguageIcon.classList).filter((className) => className.startsWith("fi-"));
activeLanguageIcon.classList.remove(...classesToRemove);
activeLanguageIcon.classList.add(activeLanguageIconClass);
const languageSwitcherLabel = `${languageSwitcherText.textContent} (${btnToActive.dataset.bsLanguageValue})`;
languageSwitcher.setAttribute("aria-label", languageSwitcherLabel);
if (focus) {
languageSwitcher.focus();
}
};
window.addEventListener("DOMContentLoaded", () => {
showActiveLanguage(getPreferredLanguage());
document.querySelectorAll("[data-bs-language-value]").forEach((toggle) => {
toggle.addEventListener("click", () => {
const language = toggle.getAttribute("data-bs-language-value") || "";
setStoredLanguage(language);
setLanguage(language);
showActiveLanguage(language, true);
window.location.reload();
});
});
});
})();