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chore: use cancel in one time listener

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EnixCoda 2022-05-15 01:17:20 +08:00
parent a01a7ede9e
commit b0dcb256a7
1 changed files with 3 additions and 2 deletions
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5
src/utils/VisibleNodesGenerator/index.ts
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@ -351,10 +351,11 @@ export class VisibleNodesGenerator extends FlattenLayer {
onNextUpdate(callback: (visibleNodes: VisibleNodes) => void) {
const oneTimeSubscription = (visibleNodes: VisibleNodes) => {
cancel()
callback(visibleNodes)
this.hub.removeEventListener('emit', oneTimeSubscription)
}
return this.hub.addEventListener('emit', oneTimeSubscription)
const cancel = this.hub.addEventListener('emit', oneTimeSubscription)
return cancel
}
update() {