[tree]:add node-expand and node-collapse event

172c3a84 · 张华焱 · eb7498bd · 172c3a84
Commit 172c3a84 authored Jan 24, 2017 by 张华焱
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packages/tree/src/tree-node.vue packages/tree/src/tree-node.vue +1 -0

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--- a/packages/tree/src/tree-node.vue
+++ b/packages/tree/src/tree-node.vue
@@ -145,6 +145,7 @@
      },
      handleExpandIconClick() {
+        if (this.node.isLeaf) return;
        if (this.expanded) {
          this.tree.$emit('node-collapse', this.node.data, this.node, this);
          this.node.collapse();