Refactor #4149 - For Tree

components/lib/tree/Tree.d.ts

@@ -212,6 +212,10 @@ export interface TreeState {
  * Defines current options in Tree component.
  */
 export interface TreeContext {
+    /**
+     * Index of the node.
+     */
+    index: number;
     /**
      * Current expanded state of the node as a boolean.
      * @defaultValue false
@@ -227,6 +231,11 @@ export interface TreeContext {
      * @defaultValue false
      */
     checked: boolean;
+    /**
+     * Current leaf state of the node as a boolean.
+     * @defaultValue false
+     */
+    leaf: boolean;
 }
 
 /**

components/lib/tree/TreeNode.vue

@@ -114,9 +114,11 @@ export default {
         getPTOptions(key) {
             return this.ptm(key, {
                 context: {
+                    index: this.index,
                     expanded: this.expanded,
                     selected: this.selected,
-                    checked: this.checked
+                    checked: this.checked,
+                    leaf: this.leaf
                 }
             });
         },