rootMargin for turbo-frame #1437
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This PR introduces the
data-turbo-lazy-root-marginattribute forturbo-frame.The value is passed to the
IntersectionObserverinAppearanceObserveras therootMarginoption.The purpose of this option is to trigger lazy frame loading slightly before the user scrolls to the element. This improves user experience by making the site feel more responsive.
Currently, we are using a custom Stimulus controller with its own IntersectionObserver to achieve the same effect.