| 1 | import React, {Suspense, use} from 'react'; |
| 2 | |
| 3 | async function sleep(ms) { |
| 4 | return new Promise(resolve => setTimeout(resolve, ms)); |
| 5 | } |
| 6 | |
| 7 | function Use({useable}) { |
| 8 | use(useable); |
| 9 | return null; |
| 10 | } |
| 11 | |
| 12 | let delay1; |
| 13 | let delay2; |
| 14 | |
| 15 | export function resetNestedReveal() { |
| 16 | delay1 = undefined; |
| 17 | delay2 = undefined; |
| 18 | } |
| 19 | |
| 20 | export default function NestedReveal({}) { |
| 21 | if (!delay1) { |
| 22 | delay1 = sleep(100); |
| 23 | // Needs to happen before the throttled reveal of delay 1 |
| 24 | delay2 = sleep(200); |
| 25 | } |
| 26 | |
| 27 | return ( |
| 28 | <div className="swipe-recognizer"> |
| 29 | Shell |
| 30 | <Suspense fallback="Loading level 1"> |
| 31 | <div>Level 1</div> |
| 32 | <Use useable={delay1} /> |
| 33 | |
| 34 | <Suspense fallback="Loading level 2"> |
| 35 | <div>Level 2</div> |
| 36 | <Use useable={delay2} /> |
| 37 | </Suspense> |
| 38 | </Suspense> |
| 39 | </div> |
| 40 | ); |
| 41 | } |