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docs: rust: Fix link to rust documentation when in a rustdoc page

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Current behavior is too weird as it points to the `libs.html` page
which is empty (as ?language=rust), instead we should stay on the
same page.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/8350>
This commit is contained in:
Thibault Saunier 2025-01-23 10:28:06 -03:00
parent 58939e10ee
commit d7274f574c
1 changed files with 24 additions and 16 deletions
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40
subprojects/gst-docs/scripts/assets/js/language-menu.js
View file

@ -1,25 +1,33 @@
// Wait for the language dropdown to be created
const language_observer = new MutationObserver((mutations) => {
mutations.forEach((mutation) => {
if (mutation.addedNodes.length) {
const languageDropdown = document.querySelector('ul.dropdown-menu li a[href*="gi-language="]');
if (languageDropdown) {
// Found the language dropdown, so we can add Rust
const dropdownMenu = languageDropdown.closest('ul.dropdown-menu');
if (dropdownMenu && !dropdownMenu.querySelector('a[href*="rust"]')) {
// Create new list item for Rust
const rustItem = document.createElement('li');
const rustLink = document.createElement('a');
rustLink.href = 'rust/stable/latest/docs/index.html?gi-language=rust';
rustLink.textContent = 'rust';
rustItem.appendChild(rustLink);
dropdownMenu.appendChild(rustItem);
mutation.addedNodes.forEach(node => {
if (node.nodeType === Node.ELEMENT_NODE &&
node.classList.contains('dropdown')) {
// Disconnect language_observer since we've done our work
language_observer.disconnect();
const dropdownToggle = node.querySelector('a.dropdown-toggle');
const dropdownMenu = node.querySelector('ul.dropdown-menu');
if (dropdownToggle?.textContent.includes('Language') && dropdownMenu) {
let rustLink = Array.from(dropdownMenu.querySelectorAll('a'))
.find(link => link.textContent.trim() === 'rust');
if (!rustLink) {
const rustItem = document.createElement('li');
rustLink = document.createElement('a');
rustLink.textContent = 'rust';
rustLink.href = 'rust/stable/latest/docs/index.html?gi-language=rust';
rustItem.appendChild(rustLink);
dropdownMenu.appendChild(rustItem);
language_observer.disconnect();
}
const is_rustdoc_page = !!document.getElementById('hotdoc-rust-info');
if (is_rustdoc_page) {
rustLink.href = window.location.href;
}
}
}
}
});
});
});