MediaWiki:Common.js

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/* Any JavaScript here will be loaded for all users on every page load. */


// Pin Vector 2022 sidebar (and tools) for anonymous users by default
if (!mw.config.get('wgUserName')) {
    const observer = new MutationObserver((mutationsList, observer) => {
        for (const mutation of mutationsList) {
            if (mutation.target.classList.contains('vector-animations-ready')) {
                // Pin main menu
                const mainPin = document.querySelector(
                    '[data-event-name="pinnable-header.vector-main-menu.pin"]'
                );
                if (mainPin) mainPin.click();

                // (Optional) also pin page tools on the right
                const toolsPin = document.querySelector(
                    '[data-event-name="pinnable-header.vector-page-tools.pin"]'
                );
                if (toolsPin) toolsPin.click();

                observer.disconnect();
                break;
            }
        }
    });

    observer.observe(document.documentElement, {
        attributes: true,
        attributeFilter: ['class']
    });
}