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feat(ui): optimized useMouseOverNode

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Manually hook into pubsub to eliminate extraneous rerenders on hook change
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psychedelicious 2023-12-31 21:53:53 +11:00 committed by Kent Keirsey
parent 6209fef63d
commit 20f497054f
1 changed files with 8 additions and 7 deletions
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15
invokeai/frontend/web/src/features/nodes/hooks/useMouseOverNode.ts
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@ -1,16 +1,17 @@
import { useStore } from '@nanostores/react';
import { atom } from 'nanostores';
import { useCallback, useMemo } from 'react';
import { useCallback, useEffect, useState } from 'react';
export const $mouseOverNode = atom<string | null>(null);
export const useMouseOverNode = (nodeId: string) => {
const mouseOverNode = useStore($mouseOverNode);
const [isMouseOverNode, setIsMouseOverNode] = useState(false);
const isMouseOverNode = useMemo(
() => mouseOverNode === nodeId,
[mouseOverNode, nodeId]
);
useEffect(() => {
const unsubscribe = $mouseOverNode.subscribe((v) => {
setIsMouseOverNode(v === nodeId);
});
return unsubscribe;
}, [isMouseOverNode, nodeId]);
const handleMouseOver = useCallback(() => {
$mouseOverNode.set(nodeId);