framer-motion
Version:
A simple and powerful JavaScript animation library
17 lines (15 loc) • 668 B
JavaScript
function calcChildStagger(children, child, delayChildren, staggerChildren = 0, staggerDirection = 1) {
const index = Array.from(children)
.sort((a, b) => a.sortNodePosition(b))
.indexOf(child);
const numChildren = children.size;
const maxStaggerDuration = (numChildren - 1) * staggerChildren;
const delayIsFunction = typeof delayChildren === "function";
return delayIsFunction
? delayChildren(index, numChildren)
: staggerDirection === 1
? index * staggerChildren
: maxStaggerDuration - index * staggerChildren;
}
export { calcChildStagger };
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