Build An Intersection Observer Directive In Vue
In this post, I want to share my experience integrating the IntersectionObserver API into a Vue app. By the end, we’ll have a custom directive that abstracts dynamically registering and unregistering DOM elements with an observer. Intersection Observer When you need to track an element coming into view, watching document scroll and calculating element offsets used to be the only way. The math isn’t particularly complex, but knowing which layout properties to use and just how to calculate position relative to the right elements is a painful task.…