Pre Merge pull request !399 from D哥/N/A

pull/399/MERGE
D哥 7 months ago committed by Gitee
commit fdd1f616ef
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@ -167,6 +167,12 @@ export function handleTree(data, id, parentId, children) {
for (let d of data) { for (let d of data) {
let id = d[config.id]; let id = d[config.id];
childrenListMap[id] = d; childrenListMap[id] = d;
// 检查元素是否已经有 children 字段,如果没有则添加 children 空数组字段
// 避免后面的代码中 parentObj[config.childrenList] 出现 undefined 的情况
// 甚至进而引发 [Vue warn]: Duplicate keys detected: '1366'. This may cause an update error. 类似的警告
if (!d[config.childrenList]) {
d[config.childrenList] = [];
}
} }
for (let d of data) { for (let d of data) {

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