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chore: refactorings + release #6

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Oct 22, 2024
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chore: refactorings + release #6

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175 changes: 105 additions & 70 deletions dropdowns.js
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Original file line number Diff line number Diff line change
@@ -1,80 +1,115 @@
/**
* Handles Weglot language switcher dropdowns in Webflow.
* {@link https://weglot-2-0-ui-kit.webflow.io/}
*/
var Webflow = Webflow || [];
Webflow.push(function () {
const dropdownElements = document.querySelectorAll("[weglot='dropdown']");

Weglot.on('initialized', () => {
dropdownElements.forEach(dropdown => {
initializeSwitchers(dropdown);
updateSwitcherLanguage(window.Weglot.getCurrentLang(), dropdown);
});
const dropdownElements = document.querySelectorAll("[weglot='dropdown']");

window.Weglot.on("initialized", () => {
dropdownElements.forEach((dropdown) => {
const currentLang = window.Weglot.getCurrentLang();

initializeSwitcher(dropdown);
updateSwitcherLanguage(currentLang, dropdown);
});
});

window.Weglot.on("languageChanged", (activeLanguage) => {
dropdownElements.forEach((dropdown) => {
updateSwitcherLanguage(activeLanguage, dropdown);
});
});

/**
* Initializes a language switcher dropdown
* @param {Element} dropdown
*/
function initializeSwitcher(dropdown) {
const languageOptions = dropdown.querySelectorAll(".w-dropdown-list a");

Weglot.on('languageChanged', (activeLanguage) => {
dropdownElements.forEach(dropdown => {
updateSwitcherLanguage(activeLanguage, dropdown);
});
languageOptions.forEach((link) => {
// Make sure the language option isn't translated
link.setAttribute("data-wg-notranslate", "");
// Add the click listener
link.addEventListener("click", handleClick);
});

function initializeSwitchers(dropdown) {
const languageOptions = dropdown.querySelectorAll(".w-dropdown-list a");

languageOptions.forEach((link) => {
// Make sure the language option isn't translated
link.setAttribute('data-wg-notranslate', '');
// Add the click listener
link.addEventListener('click', handleClick);
});

function handleClick(e) {
e.preventDefault();
const langOption = e.target.closest(`a[lang]`);
if (!langOption) {
return;
}
Weglot.switchTo(langOption.getAttribute('lang'));
}
function handleClick(e) {
e.preventDefault();

const langOption = e.target.closest(`a[lang]`);
if (!langOption) return;

const newLang = langOption.getAttribute("lang");

window.Weglot.switchTo(newLang);
}
}

/**
* Updates the language switcher dropdown
* @param {string} newLanguage
* @param {Element} dropdown
*/
function updateSwitcherLanguage(newLanguage, dropdown) {
const newLanguageLinks = dropdown.querySelectorAll(
`.w-dropdown-list a[lang="${newLanguage}"]`
);
const toggles = dropdown.querySelectorAll(".w-dropdown-toggle");

if (!newLanguageLinks.length || !toggles.length) {
return;
}

function updateSwitcherLanguage(newLanguage, dropdown) {
const newLanguageLinks = dropdown.querySelectorAll(`.w-dropdown-list a[lang="${newLanguage}"]`);
const oldToggles = dropdown.querySelectorAll(".w-dropdown-toggle");

if (!newLanguageLinks.length || !oldToggles) {
return;
}

let oldSrc = dropdown.querySelector(`.w-dropdown-toggle [weglot='flag']`);

if (oldSrc) {
oldSrc = oldSrc.getAttribute('src');
const newSrc = dropdown.querySelector(`.w-dropdown-list a[lang="${newLanguage}"] img`).getAttribute('src');

newLanguageLinks.forEach((link) => {
const image = link.querySelector("[weglot='flag']");
image.src = oldSrc;
});

oldToggles.forEach((toggle) => {
const image = toggle.querySelector("[weglot='flag']");
image.src = newSrc;
});
}

const oldText = dropdown.querySelector(`.w-dropdown-toggle [weglot='text']`).innerText;
const oldLanguage = dropdown.querySelector(".w-dropdown-toggle").getAttribute('lang');

const newText = dropdown.querySelector(`.w-dropdown-list a[lang="${newLanguage}"] [weglot='text']`).innerText;

newLanguageLinks.forEach((link) => {
const text = link.querySelector("[weglot='text']");
text.innerText = oldText;
link.setAttribute('lang', oldLanguage);
});

oldToggles.forEach((toggle) => {
const text = toggle.querySelector("[weglot='text']");
text.innerText = newText;
toggle.setAttribute('lang', newLanguage);
});
const oldFlag = dropdown.querySelector(
`.w-dropdown-toggle [weglot='flag']`
);

if (oldFlag) {
const oldFlagSrc = oldFlag.getAttribute("src");
const newFlagSrc = dropdown
.querySelector(`.w-dropdown-list a[lang="${newLanguage}"] img`)
?.getAttribute("src");

newLanguageLinks.forEach((link) => {
const image = link.querySelector("[weglot='flag']");
image.src = oldFlagSrc;
});

toggles.forEach((toggle) => {
const image = toggle.querySelector("[weglot='flag']");
image.src = newFlagSrc;
});
}

const oldText = dropdown.querySelector(
`.w-dropdown-toggle [weglot='text']`
).innerText;
const oldLanguage = dropdown
.querySelector(".w-dropdown-toggle")
?.getAttribute("lang");

const newText = dropdown.querySelector(
`.w-dropdown-list a[lang="${newLanguage}"] [weglot='text']`
).innerText;

newLanguageLinks.forEach((link) => {
const text = link.querySelector("[weglot='text']");
if (!text) return;

text.innerText = oldText;

link.setAttribute("lang", oldLanguage);
});

toggles.forEach((toggle) => {
const text = toggle.querySelector("[weglot='text']");
if (!text) return;

text.innerText = newText;

toggle.setAttribute("lang", newLanguage);
});
}
});