kopia lustrzana https://github.com/Tldraw/Tldraw
25 wiersze
604 B
TypeScript
25 wiersze
604 B
TypeScript
import { useSelector } from "state"
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import { deepCompareArrays } from "utils/utils"
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import Shape from "./shape"
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/*
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On each state change, compare node ids of all shapes
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on the current page. Kind of expensive but only happens
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here; and still cheaper than any other pattern I've found.
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*/
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export default function Page() {
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const currentPageShapeIds = useSelector(
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({ data }) => Object.keys(data.document.pages[data.currentPageId].shapes),
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deepCompareArrays
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)
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return (
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<>
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{currentPageShapeIds.map((shapeId) => (
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<Shape key={shapeId} id={shapeId} />
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))}
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</>
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)
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}
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