18 lines
656 B
Plaintext
18 lines
656 B
Plaintext
= javascript_tag do
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:plain
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if ('loading' in HTMLImageElement.prototype) {
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document.querySelectorAll('img.lazy').forEach(img => {
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img.loading = 'lazy';
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let imgUrl = img.dataset.src;
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// Only adding width + height for avatars for now
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if (imgUrl.indexOf('/avatar/') > -1 && imgUrl.indexOf('?') === -1) {
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const targetWidth = img.getAttribute('width') || img.width;
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imgUrl += `?width=${targetWidth}`;
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}
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img.src = imgUrl;
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img.removeAttribute('data-src');
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img.classList.remove('lazy');
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img.classList.add('js-lazy-loaded', 'qa-js-lazy-loaded');
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});
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}
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