28 lines
1.0 KiB
JavaScript
28 lines
1.0 KiB
JavaScript
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(function ($) {
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document.addEventListener('DOMContentLoaded', () => {
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// Enable fallback URLs for broken redirects from the version or language switchers.
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_prepareSwitchersFallbacks();
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});
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/**
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* Add event listeners on links in the version and language switchers.
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*
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* If a link is clicked, the user is redirected to the closest fallback URL (including the
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* original target URL) that is available.
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*/
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const _prepareSwitchersFallbacks = () => {
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document.querySelectorAll('a[class="dropdown-item"]').forEach(element => {
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element.addEventListener('click', async event => {
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if (element.hasAttribute('href')) {
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event.preventDefault();
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const fallbackUrls = await _generateFallbackUrls(element.getAttribute('href'));
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const fallbackUrl = await _getFirstValidUrl(fallbackUrls);
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window.location.href = fallbackUrl;
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}
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});
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});
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};
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})();
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