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update 优化 优化前端树结构拼接性能

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疯狂的狮子Li 2025-03-03 13:41:33 +08:00
parent eab4345198
commit 7be0723c31
1 changed files with 6 additions and 24 deletions
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30
src/utils/ruoyi.ts
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@ -167,39 +167,21 @@ export const handleTree = <T>(data: any[], id?: string, parentId?: string, child
}; };
const childrenListMap: any = {}; const childrenListMap: any = {};
const nodeIds: any = {};
const tree: T[] = []; const tree: T[] = [];
for (const d of data) { for (const d of data) {
const parentId = d[config.parentId]; const id = d[config.id];
if (childrenListMap[parentId] == null) { childrenListMap[id] = d;
childrenListMap[parentId] = [];
}
nodeIds[d[config.id]] = d;
childrenListMap[parentId].push(d);
} }
for (const d of data) { for (const d of data) {
const parentId = d[config.parentId]; const parentId = d[config.parentId];
if (nodeIds[parentId] == null) { const parentObj = childrenListMap[parentId]
if (!parentObj) {
tree.push(d); tree.push(d);
} else {
parentObj[config.childrenList].push(d)
} }
} }
const adaptToChildrenList = (o: any) => {
if (childrenListMap[o[config.id]] !== null) {
o[config.childrenList] = childrenListMap[o[config.id]];
}
if (o[config.childrenList]) {
for (const c of o[config.childrenList]) {
adaptToChildrenList(c);
}
}
};
for (const t of tree) {
adaptToChildrenList(t);
}
return tree; return tree;
}; };