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Improve render performance

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This commit is contained in:
Thomas Nordquist
2019-07-08 01:22:16 +02:00
parent e3584add7c
commit 38f8d2e6ee
1 changed files with 9 additions and 6 deletions
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7
app/src/components/Tree/TreeNode/index.tsx
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@@ -81,12 +81,15 @@ function TreeNodeComponent(props: Props) {
didSelectTopic() didSelectTopic()
}, [didSelectTopic]) }, [didSelectTopic])
const mouseOver = (event: React.MouseEvent) => { const mouseOver = useCallback(
(event: React.MouseEvent) => {
event.stopPropagation() event.stopPropagation()
if (settings.get('selectTopicWithMouseOver') && treeNode && treeNode.message && treeNode.message.value) { if (settings.get('selectTopicWithMouseOver') && treeNode && treeNode.message && treeNode.message.value) {
didSelectTopic() didSelectTopic()
} }
} },
[didSelectTopic]
)
useEffect(() => { useEffect(() => {
treeNode.viewModel && treeNode.viewModel.setExpanded(!isCollapsed, false) treeNode.viewModel && treeNode.viewModel.setExpanded(!isCollapsed, false)