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fix: 删除最后一个节点时报错

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例子：https://www.iviewui.com/components/tree#ZDYJDNR，删除最后一个节点时，控制台报错，找不到节点，因为被删除了。
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Stephen Ma 2020-02-07 14:28:55 +08:00 • committed by GitHub
parent a5f6f6cfcd
commit 076310a789
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1 changed files with 2 additions and 0 deletions
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src/components/tree/tree.vue
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@ -171,6 +171,7 @@
} }
}, },
handleSelect (nodeKey) { handleSelect (nodeKey) {
if (!this.flatState[nodeKey]) return
const node = this.flatState[nodeKey].node; const node = this.flatState[nodeKey].node;
if (!this.multiple){ // reset previously selected node if (!this.multiple){ // reset previously selected node
const currentSelectedKey = this.flatState.findIndex(obj => obj.node.selected); const currentSelectedKey = this.flatState.findIndex(obj => obj.node.selected);
@ -181,6 +182,7 @@
this.$emit('on-select-change', this.getSelectedNodes(), node); this.$emit('on-select-change', this.getSelectedNodes(), node);
}, },
handleCheck({ checked, nodeKey }) { handleCheck({ checked, nodeKey }) {
if (!this.flatState[nodeKey]) return
const node = this.flatState[nodeKey].node; const node = this.flatState[nodeKey].node;
this.$set(node, 'checked', checked); this.$set(node, 'checked', checked);
this.$set(node, 'indeterminate', false); this.$set(node, 'indeterminate', false);