Enter and Exit Animation Pattern
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Enter and Exit Animation Pattern
Animate overlays, menus, and panels in and out without flicker or orphaned elements.
What it does
A shared lifecycle for anything that appears and disappears, keeping the element present until its exit finishes and returning focus at the correct moment.
How it works
- 1 Identify everything in the app that appears and disappears — dialogs, drawers, menus, popovers, toasts, tooltips, expanding rows — and give them all one lifecycle rather than each rolling its own.
- 2 Hold the element in the document through its exit and remove it only once the exit has actually completed or been interrupted. Removing it at the moment state changes means the exit never plays.
- 3 Move focus into the surface once its entrance is far enough along to be visible, and return it to the element that opened the surface only after the exit is done, so the page does not scroll to a target that is still fading.
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