(target: Element)
| 22 | ); |
| 23 | |
| 24 | export function getClientRectAsync(target: Element) { |
| 25 | let resolvable = _getIntersectionResolvables().get(target); |
| 26 | |
| 27 | if (resolvable == null) { |
| 28 | resolvable = new Resolvable<DOMRectReadOnly>(); |
| 29 | |
| 30 | _getIntersectionResolvables().set(target, resolvable); |
| 31 | |
| 32 | _getIntersectionObserver().observe(target); |
| 33 | } |
| 34 | |
| 35 | return resolvable; |
| 36 | } |
| 37 | |
| 38 | export function getClientRectsAsync(targets: Element[]) { |
| 39 | return Promise.all(targets.map(getClientRectAsync)); |