MediaWiki:Common.js

(function() {
    function resizeSlideshowContainer(mwSlideshow) {
        const slideshow = mwSlideshow.querySelector('.slideshow');
        if (slideshow) {
            // Get the current computed height of the slideshow (based on content)
            const computedHeight = slideshow.scrollHeight;

            // Apply that height directly to the parent container
            mwSlideshow.style.height = computedHeight + 'px';

            // Optional: If you want to also resize the parent on window resize
            window.addEventListener('resize', () => {
                mwSlideshow.style.height = slideshow.scrollHeight + 'px';
            });
        }
    }

    function cleanAndResizeSlideshows() {
        document.querySelectorAll('.mw-jsslideshow').forEach(mwSlideshow => {
            const slideshow = mwSlideshow.querySelector('.slideshow');

            if (slideshow) {
                // Remove inline styles from slideshow and slides
                slideshow.style.width = '';
                slideshow.style.height = '';
                slideshow.querySelectorAll('div').forEach(slide => {
                    slide.style.width = '';
                    slide.style.height = '';
                });

                // Immediately resize the parent to match slideshow height
                resizeSlideshowContainer(mwSlideshow);

                // Observe changes to keep it dynamic (slides changing, etc.)
                const observer = new MutationObserver(() => {
                    resizeSlideshowContainer(mwSlideshow);
                });

                observer.observe(slideshow, {
                    attributes: true,
                    attributeFilter: ['style'],
                    childList: true,
                    subtree: true
                });
            }
        });
    }

    // Init once DOM is ready
    if (document.readyState === 'complete' || document.readyState === 'interactive') {
        cleanAndResizeSlideshows();
    } else {
        document.addEventListener('DOMContentLoaded', cleanAndResizeSlideshows);
    }
})();

(function() {
    function cleanSlideshowStyles(slideshowContainer) {
        const slideshow = slideshowContainer.querySelector('.slideshow');
        if (slideshow) {
            // Remove inline styles on the main slideshow container
            slideshow.style.width = '';
            slideshow.style.height = '';

            // Remove inline styles on each slide div
            slideshow.querySelectorAll('div').forEach(slide => {
                slide.style.width = '';
                slide.style.height = '';
            });
        }
    }

    function initSlideshowFix() {
        // Locate all mw-jsslideshow instances
        document.querySelectorAll('.mw-jsslideshow').forEach(mwSlideshow => {
            // Clean styles on page load
            cleanSlideshowStyles(mwSlideshow);

            // Optional: Re-clean styles on window resize
            window.addEventListener('resize', () => {
                cleanSlideshowStyles(mwSlideshow);
            });

            // Hook into slide transitions if needed (depends on the specific JS driving the slideshow)
            const slideshow = mwSlideshow.querySelector('.slideshow');
            if (slideshow) {
                const observer = new MutationObserver(() => {
                    cleanSlideshowStyles(mwSlideshow);
                });

                observer.observe(slideshow, {
                    attributes: true,
                    attributeFilter: ['style'],
                    childList: false,
                    subtree: false
                });
            }
        });
    }

    // Run once DOM is ready (in case the slideshows are injected late)
    if (document.readyState === 'complete' || document.readyState === 'interactive') {
        initSlideshowFix();
    } else {
        document.addEventListener('DOMContentLoaded', initSlideshowFix);
    }
})();
/* Any JavaScript here will be loaded for all users on every page load. */
(function() {
    function cleanSlideshowStyles(slideshowContainer) {
        const slideshow = slideshowContainer.querySelector('.slideshow');
        if (slideshow) {
            // Remove inline styles on the main slideshow container
            slideshow.style.width = '';
            slideshow.style.height = '';

            // Remove inline styles on each slide div
            slideshow.querySelectorAll('div').forEach(slide => {
                slide.style.width = '';
                slide.style.height = '';
            });
        }
    }

    function initSlideshowFix() {
        // Locate all mw-jsslideshow instances
        document.querySelectorAll('.mw-jsslideshow').forEach(mwSlideshow => {
            // Clean styles on page load
            cleanSlideshowStyles(mwSlideshow);

            // Optional: Re-clean styles on window resize
            window.addEventListener('resize', () => {
                cleanSlideshowStyles(mwSlideshow);
            });

            // Hook into slide transitions if needed (depends on the specific JS driving the slideshow)
            const slideshow = mwSlideshow.querySelector('.slideshow');
            if (slideshow) {
                const observer = new MutationObserver(() => {
                    cleanSlideshowStyles(mwSlideshow);
                });

                observer.observe(slideshow, {
                    attributes: true,
                    attributeFilter: ['style'],
                    childList: false,
                    subtree: false
                });
            }
        });
    }

    // Run once DOM is ready (in case the slideshows are injected late)
    if (document.readyState === 'complete' || document.readyState === 'interactive') {
        initSlideshowFix();
    } else {
        document.addEventListener('DOMContentLoaded', initSlideshowFix);
    }
})();