1.5.0

Feature: Added toggle() method to the node passed to TreeNode.click()…

.eslintrc

@@ -0,0 +1,29 @@
+{
+  "root": true,
+  "env": {
+    "node": true
+  },
+  "extends": [
+    "plugin:vue/essential",
+    "plugin:prettier/recommended",
+    "eslint:recommended"
+  ],
+  "rules": {
+    "prettier/prettier": "error",
+    "no-console": "warn"
+  },
+  "parserOptions": {
+    "parser": "babel-eslint"
+  },
+  "overrides": [
+    {
+      "files": [
+        "**/__tests__/*.{j,t}s?(x)",
+        "**/tests/unit/**/*.spec.{j,t}s?(x)"
+      ],
+      "env": {
+        "jest": true
+      }
+    }
+  ]
+}

.huskyrc.yml

@@ -1,4 +1,3 @@
 hooks:
-  pre-commit:
+  pre-commit: npm run lint-staged
-    - npm run standard
   commit-msg: commitlint -E HUSKY_GIT_PARAMS

babel.config.js

@@ -1,5 +1,3 @@
 module.exports = {
-  presets: [
+  presets: ['@vue/cli-plugin-babel/preset']
-    '@vue/cli-plugin-babel/preset'
-  ]
 }

dev/App.vue

@@ -14,6 +14,11 @@
       default-leaf-node-name="new leaf"
       v-bind:default-expanded="false"
     >
+      <template v-slot:leafNameDisplay="slotProps">
+        <span>
+          {{ slotProps.model.name }} <span class="muted">#{{ slotProps.model.id }}</span>
+        </span>
+      </template>
       <template v-slot:addTreeNodeIcon="slotProps">
         <span class="icon">📂</span>
       </template>
@@ -31,18 +36,22 @@
       </template>
       <template v-slot:treeNodeIcon="slotProps">
         <span class="icon">
-          {{ (slotProps.model.children && slotProps.model.children.length > 0 && !slotProps.expanded) ? '🌲' : '' }}</span>
+          {{
+            slotProps.model.children && slotProps.model.children.length > 0 && !slotProps.expanded
+              ? '🌲'
+              : ''
+          }}</span
+        >
       </template>
     </vue-tree-list>
     <button @click="getNewTree">Get new tree</button>
     <pre>
-          {{ newTree }}
+      {{ newTree }}
-        </pre
+    </pre>
-    >
   </div>
 </template>
 <script>
-import {VueTreeList, Tree, TreeNode} from '../src'
+import { VueTreeList, Tree, TreeNode } from '../src'
 export default {
   components: {
     VueTreeList
@@ -105,23 +114,23 @@ export default {
       console.log(params)
     },
 
-    drop: function({node, src, target}) {
+    drop: function({ node, src, target }) {
       // eslint-disable-next-line no-console
       console.log('drop', node, src, target)
     },
 
-    dropBefore: function({node, src, target}) {
+    dropBefore: function({ node, src, target }) {
       // eslint-disable-next-line no-console
       console.log('drop-before', node, src, target)
     },
 
-    dropAfter: function({node, src, target}) {
+    dropAfter: function({ node, src, target }) {
       // eslint-disable-next-line no-console
       console.log('drop-after', node, src, target)
     },
 
     addNode() {
-      var node = new TreeNode({name: 'new node', isLeaf: false})
+      var node = new TreeNode({ name: 'new node', isLeaf: false })
       if (!this.data.children) this.data.children = []
       this.data.addChildren(node)
     },
@@ -171,4 +180,9 @@ export default {
     cursor: pointer;
   }
 }
+
+.muted {
+  color: gray;
+  font-size: 80%;
+}
 </style>

package.json

@@ -1,6 +1,6 @@
 {
   "name": "vue-tree-list",
-  "version": "1.4.3",
+  "version": "1.5.0",
   "description": "A vue component for tree structure. Support adding treenode/leafnode, editing node's name and dragging.",
   "author": "ayou",
   "scripts": {
@@ -9,7 +9,8 @@
     "test:unit": "vue-cli-service test:unit --watch",
     "test:coverage": "vue-cli-service test:unit --coverage",
     "lint": "vue-cli-service lint",
-    "commit": "npx git-cz",
+    "lint-staged": "lint-staged",
+    "commit": "git-cz",
     "prepublish": "npm run build"
   },
   "main": "dist/vue-tree-list.umd.min.js",
@@ -23,38 +24,23 @@
     "babel-eslint": "^10.0.3",
     "core-js": "^3.4.3",
     "eslint": "^5.16.0",
+    "eslint-config-prettier": "^6.10.0",
+    "eslint-plugin-prettier": "^3.1.2",
     "eslint-plugin-vue": "^5.0.0",
+    "git-cz": "^4.7.4",
+    "husky": "^4.2.1",
     "jest-serializer-vue": "^2.0.2",
     "less": "^3.10.3",
     "less-loader": "^5.0.0",
+    "lint-staged": "^10.0.4",
+    "prettier": "^1.19.1",
+    "prettier-eslint-cli": "^5.0.0",
     "vue": "^2.6.10",
     "vue-template-compiler": "^2.6.10"
   },
-  "eslintConfig": {
+  "lint-staged": {
-    "root": true,
+    "**/*.{js,json,md,vue}": [
-    "env": {
+      "prettier --write"
-      "node": true
-    },
-    "extends": [
-      "plugin:vue/essential",
-      "eslint:recommended"
-    ],
-    "rules": {
-      "no-console": "warn"
-    },
-    "parserOptions": {
-      "parser": "babel-eslint"
-    },
-    "overrides": [
-      {
-        "files": [
-          "**/__tests__/*.{j,t}s?(x)",
-          "**/tests/unit/**/*.spec.{j,t}s?(x)"
-        ],
-        "env": {
-          "jest": true
-        }
-      }
     ]
   },
   "browserslist": [

prettier.config.js

@@ -0,0 +1,15 @@
+module.exports = {
+  printWidth: 100,
+  tabWidth: 2,
+  useTabs: false,
+  semi: false,
+  singleQuote: true,
+  jsxSingleQuote: true,
+  bracketSpacing: true,
+  jsxBracketSameLine: false,
+  rangeStart: 0,
+  rangeEnd: Infinity,
+  requirePragma: false,
+  insertPragma: false,
+  htmlWhitespaceSensitivity: 'css'
+}

readme.md

@@ -1,6 +1,7 @@
 [![Actions Status](https://github.com/ParadeTo/vue-tree-list/workflows/Test/badge.svg)](https://github.com/ParadeTo/vue-tree-list/actions)
 
 # vue-tree-list
+
 A vue component for tree structure. Support adding treenode/leafnode, editing node's name and dragging.
 
 ![vue-tree-demo.gif](https://raw.githubusercontent.com/ParadeTo/vue-tree-list/master/img/demo.gif)
@@ -21,7 +22,8 @@ Vue.use(VueTreeList)
 Or just register locally like the example below.
 
 # use
-``npm install vue-tree-list``
+
+`npm install vue-tree-list`
 
 ```html
 <template>
@@ -35,7 +37,13 @@ Or just register locally like the example below.
       :model="data"
       default-tree-node-name="new node"
       default-leaf-node-name="new leaf"
-      v-bind:default-expanded="false">
+      v-bind:default-expanded="false"
+    >
+      <template v-slot:leafNameDisplay="slotProps">
+        <span>
+          {{ slotProps.model.name }} <span class="muted">#{{ slotProps.model.id }}</span>
+        </span>
+      </template>
       <span class="icon" slot="addTreeNodeIcon">📂</span>
       <span class="icon" slot="addLeafNodeIcon">＋</span>
       <span class="icon" slot="editNodeIcon">📃</span>
@@ -56,7 +64,7 @@ Or just register locally like the example below.
     components: {
       VueTreeList
     },
-    data () {
+    data() {
       return {
         newTree: {},
         data: new Tree([
@@ -93,32 +101,32 @@ Or just register locally like the example below.
       }
     },
     methods: {
-      onDel (node) {
+      onDel(node) {
         console.log(node)
         node.remove()
       },
 
-      onChangeName (params) {
+      onChangeName(params) {
         console.log(params)
       },
 
-      onAddNode (params) {
+      onAddNode(params) {
         console.log(params)
       },
 
-      onClick (params) {
+      onClick(params) {
         console.log(params)
       },
 
-      addNode () {
+      addNode() {
         var node = new TreeNode({ name: 'new node', isLeaf: false })
         if (!this.data.children) this.data.children = []
         this.data.addChildren(node)
       },
 
-      getNewTree () {
+      getNewTree() {
         var vm = this
-        function _dfs (oldNode) {
+        function _dfs(oldNode) {
           var newNode = {}
 
           for (var k in oldNode) {
@@ -137,8 +145,7 @@ Or just register locally like the example below.
         }
 
         vm.newTree = _dfs(vm.data)
-      },
+      }
-      
     }
   }
 </script>
@@ -163,58 +170,71 @@ Or just register locally like the example below.
       cursor: pointer;
     }
   }
-</style>
 
+  .muted {
+    color: gray;
+    font-size: 80%;
+  }
+</style>
 ```
 
 # props
-## props of vue-tree-list
-| name | type | default | description |
-|:-----:|:-------:|:------------:|:----:|
-model | TreeNode | - | You can use `const head = new Tree([])` to generate a tree with the head of `TreeNode` type
-default-tree-node-name | string | New node node | Default name for new treenode
-default-leaf-node-name | string | New leaf node | Default name for new leafnode
-default-expanded | boolean | true | Tree is expanded or not
 
+## props of vue-tree-list
+
+|          name          |   type   |    default    |                                         description                                         |
+| :--------------------: | :------: | :-----------: | :-----------------------------------------------------------------------------------------: |
+|         model          | TreeNode |       -       | You can use `const head = new Tree([])` to generate a tree with the head of `TreeNode` type |
+| default-tree-node-name |  string  | New node node |                                Default name for new treenode                                |
+| default-leaf-node-name |  string  | New leaf node |                                Default name for new leafnode                                |
+|    default-expanded    | boolean  |     true      |                                   Tree is expanded or not                                   |
 
 ## props of TreeNode
+
 ### attributes
-| name | type | default | description |
+
-|:-----:|:-------:|:------------:|:----:|
+|        name         |      type      |      default      |           description            |
-id | string, number | current timestamp | The node's id
+| :-----------------: | :------------: | :---------------: | :------------------------------: |
-isLeaf | boolean | false | The node is leaf or not
+|         id          | string, number | current timestamp |          The node's id           |
-dragDisabled | boolean | false | Forbid dragging tree node
+|       isLeaf        |    boolean     |       false       |     The node is leaf or not      |
-addTreeNodeDisabled | boolean | false | Show `addTreeNode` button or not
+|    dragDisabled     |    boolean     |       false       |    Forbid dragging tree node     |
-addLeafNodeDisabled | boolean | false | Show `addLeafNode` button or not
+| addTreeNodeDisabled |    boolean     |       false       | Show `addTreeNode` button or not |
-editNodeDisabled | boolean | false | Show `editNode` button or not
+| addLeafNodeDisabled |    boolean     |       false       | Show `addLeafNode` button or not |
-delNodeDisabled | boolean | false | Show `delNode` button or not
+|  editNodeDisabled   |    boolean     |       false       |  Show `editNode` button or not   |
-children | array | null | The children of node
+|   delNodeDisabled   |    boolean     |       false       |   Show `delNode` button or not   |
+|      children       |     array      |       null        |       The children of node       |
 
 ### methods
-| name | params | description |
+
-|:-----:|:-------:|:----:|
+|     name     |         params          |          description          |
-changeName | name | Change node's name
+| :----------: | :---------------------: | :---------------------------: |
-addChildren | children: object, array | Add children to node
+|  changeName  |          name           |      Change node's name       |
-remove | - | Remove node from the tree
+| addChildren  | children: object, array |     Add children to node      |
-moveInto | target: TreeNode | Move node into another node
+|    remove    |            -            |   Remove node from the tree   |
-insertBefore | target: TreeNode | Move node before another node
+|   moveInto   |    target: TreeNode     |  Move node into another node  |
-insertAfter | target: TreeNode | Move node after another node
+| insertBefore |    target: TreeNode     | Move node before another node |
+| insertAfter  |    target: TreeNode     | Move node after another node  |
 
 # events
-| name | params | description |
+
-|:-----:|:-------:|:----:|
+|    name     |            params            |                                                                           description                                                                           |
-click | TreeNode | Trigger when clicking a tree node
+| :---------: | :--------------------------: | :-------------------------------------------------------------------------------------------------------------------------------------------------------------: |
-change-name | {'id', 'oldName', 'newName'} | Trigger after changing a node's name
+|    click    |           TreeNode           |                                Trigger when clicking a tree node. You can call `toggle` of `TreeNode` to toggle the folder node.                                |
-delete-node | TreeNode | Trigger when clicking `delNode` button. You can call `remove` of `TreeNode` to remove the node.
+| change-name | {'id', 'oldName', 'newName'} |                                                              Trigger after changing a node's name                                                               |
-add-node | TreeNode | Trigger after adding a new node
+| delete-node |           TreeNode           |                                 Trigger when clicking `delNode` button. You can call `remove` of `TreeNode` to remove the node.                                 |
-drop | {node, src, target} | Trigger after dropping a node into another. node: the draggable node, src: the draggable node's parent, target: the node that draggable node will drop into
+|  add-node   |           TreeNode           |                                                                 Trigger after adding a new node                                                                 |
-drop-before | {node, src, target} | Trigger after dropping a node before another. node: the draggable node, src: the draggable node's parent, target: the node that draggable node will drop before
+|    drop     |     {node, src, target}      |   Trigger after dropping a node into another. node: the draggable node, src: the draggable node's parent, target: the node that draggable node will drop into   |
-drop-after | {node, src, target} | Trigger after dropping a node after another. node: the draggable node, src: the draggable node's parent, target: the node that draggable node will drop after
+| drop-before |     {node, src, target}      | Trigger after dropping a node before another. node: the draggable node, src: the draggable node's parent, target: the node that draggable node will drop before |
+| drop-after  |     {node, src, target}      |  Trigger after dropping a node after another. node: the draggable node, src: the draggable node's parent, target: the node that draggable node will drop after  |
 
 # customize operation icons
+
 The component has default icons for `addTreeNodeIcon`, `addLeafNodeIcon`, `editNodeIcon`, `delNodeIcon`, `leafNodeIcon`, `treeNodeIcon` button, but you can also customize them and can access `model`, `root`, `expanded` as below:
 
 ```html
+<template v-slot:leafNameDisplay="slotProps">
+  <span>{{ slotProps.model.name }} #{{ slotProps.model.id }}</span>
+</template>
 <template v-slot:addTreeNodeIcon="slotProps">
   <span class="icon">📂</span>
 </template>
@@ -232,6 +252,8 @@ The component has default icons for `addTreeNodeIcon`, `addLeafNodeIcon`, `editN
 </template>
 <template v-slot:treeNodeIcon="slotProps">
   <span class="icon">
-    {{ (slotProps.model.children && slotProps.model.children.length > 0 && !slotProps.expanded) ? '🌲' : '' }}</span>
+    {{ (slotProps.model.children && slotProps.model.children.length > 0 && !slotProps.expanded) ?
+    '🌲' : '' }}</span
+  >
 </template>
 ```

src/Tree.js

@@ -1,4 +1,4 @@
-import {traverseTree} from './tools'
+import { traverseTree } from './tools'
 /**
  * Tree data struct
  * Created by ayou on 2017/7/20.
@@ -11,7 +11,7 @@ import {traverseTree} from './tools'
  */
 export class TreeNode {
   constructor(data) {
-    const {id, isLeaf} = data
+    const { id, isLeaf } = data
     this.id = typeof id === 'undefined' ? new Date().valueOf() : id
     this.parent = null
     this.children = null
@@ -149,7 +149,7 @@ export class TreeNode {
 
 export class Tree {
   constructor(data) {
-    this.root = new TreeNode({name: 'root', isLeaf: false, id: 0})
+    this.root = new TreeNode({ name: 'root', isLeaf: false, id: 0 })
     this.initNode(this.root, data)
     return this.root
   }

src/VueTreeList.vue

@@ -4,11 +4,11 @@
       v-if="model.name !== 'root'"
       :id="model.id"
       class="vtl-node"
-      :class="{'vtl-leaf-node': model.isLeaf, 'vtl-tree-node': !model.isLeaf}"
+      :class="{ 'vtl-leaf-node': model.isLeaf, 'vtl-tree-node': !model.isLeaf }"
     >
       <div
         class="vtl-border vtl-up"
-        :class="{'vtl-active': isDragEnterUp}"
+        :class="{ 'vtl-active': isDragEnterUp }"
         @drop="dropBefore"
         @dragenter="dragEnterUp"
         @dragover="dragOverUp"
@@ -27,40 +27,25 @@
         @mouseout="mouseOut"
         @click.stop="click"
       >
-        <span
+        <span class="vtl-caret vtl-is-small" v-if="model.children && model.children.length > 0">
-          class="vtl-caret vtl-is-small"
+          <i class="vtl-icon" :class="caretClass" @click.prevent.stop="toggle"></i>
-          v-if="model.children && model.children.length > 0"
-        >
-          <i
-            class="vtl-icon"
-            :class="caretClass"
-            @click.prevent.stop="toggle"
-          ></i>
         </span>
 
         <span v-if="model.isLeaf">
-          <slot
+          <slot name="leafNodeIcon" :expanded="expanded" :model="model" :root="rootNode">
-            name="leafNodeIcon"
-            :expanded="expanded"
-            :model="model"
-            :root="rootNode"
-          >
             <i class="vtl-icon vtl-menu-icon vtl-icon-file"></i>
           </slot>
         </span>
         <span v-else>
-          <slot
+          <slot name="treeNodeIcon" :expanded="expanded" :model="model" :root="rootNode">
-            name="treeNodeIcon"
-            :expanded="expanded"
-            :model="model"
-            :root="rootNode"
-          >
             <i class="vtl-icon vtl-menu-icon vtl-icon-folder"></i>
           </slot>
         </span>
 
         <div class="vtl-node-content" v-if="!editable">
-          {{ model.name }}
+          <slot name="leafNameDisplay" :expanded="expanded" :model="model" :root="rootNode">
+            {{ model.name }}
+          </slot>
         </div>
         <input
           v-else
@@ -73,58 +58,30 @@
         />
         <div class="vtl-operation" v-show="isHover">
           <span
-            title="add tree node"
+            :title="defaultAddTreeNodeTitle"
             @click.stop.prevent="addChild(false)"
             v-if="!model.isLeaf && !model.addTreeNodeDisabled"
           >
-            <slot
+            <slot name="addTreeNodeIcon" :expanded="expanded" :model="model" :root="rootNode">
-              name="addTreeNodeIcon"
-              :expanded="expanded"
-              :model="model"
-              :root="rootNode"
-            >
               <i class="vtl-icon vtl-icon-folder-plus-e"></i>
             </slot>
           </span>
           <span
-            title="add leaf node"
+            :title="defaultAddLeafNodeTitle"
             @click.stop.prevent="addChild(true)"
             v-if="!model.isLeaf && !model.addLeafNodeDisabled"
           >
-            <slot
+            <slot name="addLeafNodeIcon" :expanded="expanded" :model="model" :root="rootNode">
-              name="addLeafNodeIcon"
-              :expanded="expanded"
-              :model="model"
-              :root="rootNode"
-            >
               <i class="vtl-icon vtl-icon-plus"></i>
             </slot>
           </span>
-          <span
+          <span title="edit" @click.stop.prevent="setEditable" v-if="!model.editNodeDisabled">
-            title="edit"
+            <slot name="editNodeIcon" :expanded="expanded" :model="model" :root="rootNode">
-            @click.stop.prevent="setEditable"
-            v-if="!model.editNodeDisabled"
-          >
-            <slot
-              name="editNodeIcon"
-              :expanded="expanded"
-              :model="model"
-              :root="rootNode"
-            >
               <i class="vtl-icon vtl-icon-edit"></i>
             </slot>
           </span>
-          <span
+          <span title="delete" @click.stop.prevent="delNode" v-if="!model.delNodeDisabled">
-            title="delete"
+            <slot name="delNodeIcon" :expanded="expanded" :model="model" :root="rootNode">
-            @click.stop.prevent="delNode"
-            v-if="!model.delNodeDisabled"
-          >
-            <slot
-              name="delNodeIcon"
-              :expanded="expanded"
-              :model="model"
-              :root="rootNode"
-            >
               <i class="vtl-icon vtl-icon-trash"></i>
             </slot>
           </span>
@@ -134,7 +91,7 @@
       <div
         v-if="model.children && model.children.length > 0 && expanded"
         class="vtl-border vtl-bottom"
-        :class="{'vtl-active': isDragEnterBottom}"
+        :class="{ 'vtl-active': isDragEnterBottom }"
         @drop="dropAfter"
         @dragenter="dragEnterBottom"
         @dragover="dragOverBottom"
@@ -143,7 +100,7 @@
     </div>
 
     <div
-      :class="{'vtl-tree-margin': model.name !== 'root'}"
+      :class="{ 'vtl-tree-margin': model.name !== 'root' }"
       v-show="model.name === 'root' || expanded"
       v-if="isFolder"
     >
@@ -155,6 +112,9 @@
         :model="model"
         :key="model.id"
       >
+        <template v-slot:leafNameDisplay="slotProps">
+          <slot name="leafNameDisplay" v-bind="slotProps" />
+        </template>
         <template v-slot:addTreeNodeIcon="slotProps">
           <slot name="addTreeNodeIcon" v-bind="slotProps" />
         </template>
@@ -179,8 +139,8 @@
 </template>
 
 <script>
-import {TreeNode} from './Tree.js'
+import { TreeNode } from './Tree.js'
-import {addHandler, removeHandler} from './tools.js'
+import { addHandler, removeHandler } from './tools.js'
 
 let compInOperation = null
 
@@ -202,11 +162,19 @@ export default {
     },
     defaultLeafNodeName: {
       type: String,
-      default: 'New leaf node'
+      default: 'Leaf Node'
     },
     defaultTreeNodeName: {
       type: String,
-      default: 'New tree node'
+      default: 'Tree Node'
+    },
+    defaultAddTreeNodeTitle: {
+      type: String,
+      default: 'Add Tree Node'
+    },
+    defaultAddLeafNodeTitle: {
+      type: String,
+      default: 'Add Leaf Node'
     },
     defaultExpanded: {
       type: Boolean,
@@ -232,7 +200,7 @@ export default {
 
     treeNodeClass() {
       const {
-        model: {dragDisabled, disabled},
+        model: { dragDisabled, disabled },
         isDragEnterNode
       } = this
 
@@ -266,7 +234,8 @@ export default {
       this.rootNode.$emit('change-name', {
         id: this.model.id,
         oldName: oldName,
-        newName: e.target.value
+        newName: e.target.value,
+        node: this.model
       })
     },
 
@@ -283,8 +252,16 @@ export default {
       })
     },
 
-    setUnEditable() {
+    setUnEditable(e) {
       this.editable = false
+      var oldName = this.model.name
+      this.model.changeName(e.target.value)
+      this.rootNode.$emit('change-name', {
+        id: this.model.id,
+        oldName: oldName,
+        newName: e.target.value,
+        eventType: 'blur'
+      })
     },
 
     toggle() {
@@ -303,13 +280,16 @@ export default {
     },
 
     click() {
-      this.rootNode.$emit('click', this.model)
+      this.rootNode.$emit('click', {
+        toggle: this.toggle,
+        ...this.model
+      })
     },
 
     addChild(isLeaf) {
       const name = isLeaf ? this.defaultLeafNodeName : this.defaultTreeNodeName
       this.expanded = true
-      var node = new TreeNode({name, isLeaf})
+      var node = new TreeNode({ name, isLeaf })
       this.model.addChildren(node, true)
       this.rootNode.$emit('add-node', node)
     },
@@ -333,7 +313,8 @@ export default {
     },
     dragEnter() {
       if (!compInOperation) return
-      if (this.model.isLeaf) return
+      if (compInOperation.model.id === this.model.id || !compInOperation || this.model.isLeaf)
+        return
       this.isDragEnterNode = true
     },
     dragLeave() {

src/index.js

@@ -2,12 +2,12 @@
  * Created by ayou on 17/7/21.
  */
 
-import VueTreeList from "./VueTreeList";
+import VueTreeList from './VueTreeList'
-import { Tree, TreeNode } from "./Tree";
+import { Tree, TreeNode } from './Tree'
 
 VueTreeList.install = Vue => {
-  Vue.component(VueTreeList.name, VueTreeList);
+  Vue.component(VueTreeList.name, VueTreeList)
-};
+}
 
-export default VueTreeList;
+export default VueTreeList
-export { Tree, TreeNode, VueTreeList };
+export { Tree, TreeNode, VueTreeList }

src/tools.js

@@ -4,7 +4,7 @@
 
 var handlerCache
 
-export const addHandler = function (element, type, handler) {
+export const addHandler = function(element, type, handler) {
   handlerCache = handler
   if (element.addEventListener) {
     element.addEventListener(type, handler, false)
@@ -15,7 +15,7 @@ export const addHandler = function (element, type, handler) {
   }
 }
 
-export const removeHandler = function (element, type) {
+export const removeHandler = function(element, type) {
   if (element.removeEventListener) {
     element.removeEventListener(type, handlerCache, false)
   } else if (element.detachEvent) {
@@ -26,7 +26,7 @@ export const removeHandler = function (element, type) {
 }
 
 // depth first search
-export const traverseTree = (root) => {
+export const traverseTree = root => {
   var newRoot = {}
 
   for (var k in root) {

tests/unit/__snapshots__/render.spec.js.snap

@@ -47,7 +47,7 @@ exports[`Render render correctly 1`] = `
           <div class="vtl-node-content">
             Node 2
           </div>
-          <div class="vtl-operation" style="display: none;"><span title="add tree node"><i class="vtl-icon vtl-icon-folder-plus-e"></i></span> <span title="add leaf node"><i class="vtl-icon vtl-icon-plus"></i></span> <span title="edit"><i class="vtl-icon vtl-icon-edit"></i></span> <span title="delete"><i class="vtl-icon vtl-icon-trash"></i></span></div>
+          <div class="vtl-operation" style="display: none;"><span title="Add Tree Node"><i class="vtl-icon vtl-icon-folder-plus-e"></i></span> <span title="Add Leaf Node"><i class="vtl-icon vtl-icon-plus"></i></span> <span title="edit"><i class="vtl-icon vtl-icon-edit"></i></span> <span title="delete"><i class="vtl-icon vtl-icon-trash"></i></span></div>
         </div>
         <!---->
       </div>
@@ -61,7 +61,7 @@ exports[`Render render correctly 1`] = `
           <div class="vtl-node-content">
             Node 3
           </div>
-          <div class="vtl-operation" style="display: none;"><span title="add tree node"><i class="vtl-icon vtl-icon-folder-plus-e"></i></span> <span title="add leaf node"><i class="vtl-icon vtl-icon-plus"></i></span> <span title="edit"><i class="vtl-icon vtl-icon-edit"></i></span> <span title="delete"><i class="vtl-icon vtl-icon-trash"></i></span></div>
+          <div class="vtl-operation" style="display: none;"><span title="Add Tree Node"><i class="vtl-icon vtl-icon-folder-plus-e"></i></span> <span title="Add Leaf Node"><i class="vtl-icon vtl-icon-plus"></i></span> <span title="edit"><i class="vtl-icon vtl-icon-edit"></i></span> <span title="delete"><i class="vtl-icon vtl-icon-trash"></i></span></div>
         </div>
         <!---->
       </div>

tests/unit/__snapshots__/slot.spec.js.snap

@@ -11,7 +11,7 @@ exports[`Slot render slot correctly 1`] = `
           <div class="vtl-node-content">
             Node 1
           </div>
-          <div class="vtl-operation" style="display: none;"><span title="add tree node"><span class="add-tree-node-icon">📂</span></span> <span title="add leaf node"><span class="icon">＋</span></span> <span title="edit"><span class="icon">📃</span></span> <span title="delete"><span></span></span></div>
+          <div class="vtl-operation" style="display: none;"><span title="Add Tree Node"><span class="add-tree-node-icon">📂</span></span> <span title="Add Leaf Node"><span class="icon">＋</span></span> <span title="edit"><span class="icon">📃</span></span> <span title="delete"><span></span></span></div>
         </div>
         <div class="vtl-border vtl-bottom"></div>
       </div>
@@ -42,7 +42,7 @@ exports[`Slot render slot correctly 1`] = `
           <div class="vtl-node-content">
             Node 2
           </div>
-          <div class="vtl-operation" style="display: none;"><span title="add tree node"><span class="add-tree-node-icon">📂</span></span> <span title="add leaf node"><span class="icon">＋</span></span> <span title="edit"><span class="icon">📃</span></span> <span title="delete"><span class="del-node-icon">✂️</span></span></div>
+          <div class="vtl-operation" style="display: none;"><span title="Add Tree Node"><span class="add-tree-node-icon">📂</span></span> <span title="Add Leaf Node"><span class="icon">＋</span></span> <span title="edit"><span class="icon">📃</span></span> <span title="delete"><span class="del-node-icon">✂️</span></span></div>
         </div>
         <!---->
       </div>

tests/unit/drag.spec.js

@@ -1,6 +1,6 @@
 import Vue from 'vue'
-import {mount} from '@vue/test-utils'
+import { mount } from '@vue/test-utils'
-import {Tree, VueTreeList} from '@/index'
+import { Tree, VueTreeList } from '@/index'
 
 describe('Drag', () => {
   let wrapper
@@ -36,14 +36,14 @@ describe('Drag', () => {
         pid: 0
       }
     ])
-    wrapper = mount(VueTreeList, {propsData: {model: new Tree([])}})
+    wrapper = mount(VueTreeList, { propsData: { model: new Tree([]) } })
-    wrapper.setProps({model: tree})
+    wrapper.setProps({ model: tree })
   })
 
   it('drag before', done => {
     const $tree2 = wrapper.find('#t2 .vtl-node-main')
     const $tree1Up = wrapper.find('#t1 .vtl-up')
-    $tree2.trigger('dragstart', { dataTransfer: { setData: () => {} }})
+    $tree2.trigger('dragstart', { dataTransfer: { setData: () => {} } })
     $tree1Up.trigger('drop')
     Vue.nextTick(() => {
       expect(wrapper.find('.vtl-node').attributes('id')).toBe('t2')
@@ -54,10 +54,15 @@ describe('Drag', () => {
   it('drag after', done => {
     const $tree3 = wrapper.find('#t3 .vtl-node-main')
     const $tree1Bottom = wrapper.find('#t1 .vtl-bottom')
-    $tree3.trigger('dragstart', { dataTransfer: { setData: () => {} }})
+    $tree3.trigger('dragstart', { dataTransfer: { setData: () => {} } })
     $tree1Bottom.trigger('drop')
     Vue.nextTick(() => {
-      expect(wrapper.findAll('.vtl-tree-node').at(2).attributes('id')).toBe('t3')
+      expect(
+        wrapper
+          .findAll('.vtl-tree-node')
+          .at(2)
+          .attributes('id')
+      ).toBe('t3')
       done()
     })
   })
@@ -65,7 +70,7 @@ describe('Drag', () => {
   it('drag into', done => {
     const $tree3 = wrapper.find('#t3 .vtl-node-main')
     const $tree1 = wrapper.find('#t1 .vtl-node-main')
-    $tree3.trigger('dragstart', { dataTransfer: { setData: () => {} }})
+    $tree3.trigger('dragstart', { dataTransfer: { setData: () => {} } })
     $tree1.trigger('drop')
     Vue.nextTick(() => {
       expect(wrapper.find('#t1 + .vtl-tree-margin .vtl-node').attributes('id')).toBe('t3')
@@ -77,7 +82,7 @@ describe('Drag', () => {
     const snapshot = wrapper.html()
     const $tree1 = wrapper.find('#t1 .vtl-node-main')
     const $tree1Child = wrapper.find('#t12 .vtl-node-main')
-    $tree1.trigger('dragstart', { dataTransfer: { setData: () => {} }})
+    $tree1.trigger('dragstart', { dataTransfer: { setData: () => {} } })
     $tree1Child.trigger('drop')
     Vue.nextTick(() => {
       expect(wrapper.html()).toBe(snapshot)

tests/unit/operation.spec.js

@@ -1,6 +1,6 @@
 import Vue from 'vue'
-import {mount} from '@vue/test-utils'
+import { mount } from '@vue/test-utils'
-import {Tree, VueTreeList} from '@/index'
+import { Tree, VueTreeList } from '@/index'
 
 describe('Operation', () => {
   let wrapper
@@ -26,8 +26,8 @@ describe('Operation', () => {
         pid: 0
       }
     ])
-    wrapper = mount(VueTreeList, {propsData: {model: new Tree([])}})
+    wrapper = mount(VueTreeList, { propsData: { model: new Tree([]) } })
-    wrapper.setProps({model: tree})
+    wrapper.setProps({ model: tree })
   })
 
   it('delete leaf node', done => {
@@ -51,7 +51,7 @@ describe('Operation', () => {
   })
 
   it('add leaf node', done => {
-    const $node1AddLeafNode = wrapper.find('#t1 [title="add leaf node"]')
+    const $node1AddLeafNode = wrapper.find('#t1 [title="Add Leaf Node"]')
     $node1AddLeafNode.trigger('click')
     Vue.nextTick(() => {
       expect(wrapper.findAll('.vtl-leaf-node').length).toBe(2)
@@ -60,7 +60,7 @@ describe('Operation', () => {
   })
 
   it('add tree node', done => {
-    const $node1AddTreeNode = wrapper.find('#t1 [title="add tree node"]')
+    const $node1AddTreeNode = wrapper.find('#t1 [title="Add Tree Node"]')
     $node1AddTreeNode.trigger('click')
     Vue.nextTick(() => {
       expect(wrapper.findAll('.vtl-tree-node').length).toBe(3)
@@ -75,7 +75,7 @@ describe('Operation', () => {
       const $input = wrapper.find('#t1 .vtl-input')
       $input.element.value = 'New Node 1'
       $input.trigger('input')
-      var event = new KeyboardEvent('keyup', {keyCode: 13})
+      var event = new KeyboardEvent('keyup', { keyCode: 13 })
       window.dispatchEvent(event)
       Vue.nextTick(() => {
         expect(wrapper.find('#t1').text()).toBe('New Node 1')

tests/unit/render.spec.js

@@ -1,5 +1,5 @@
-import {mount} from '@vue/test-utils'
+import { mount } from '@vue/test-utils'
-import {Tree, VueTreeList} from '@/index'
+import { Tree, VueTreeList } from '@/index'
 
 describe('Render', () => {
   it('render correctly', () => {

tests/unit/slot.spec.js

@@ -1,6 +1,6 @@
 import Vue from 'vue'
-import {mount} from '@vue/test-utils'
+import { mount } from '@vue/test-utils'
-import {Tree, VueTreeList} from '@/index'
+import { Tree, VueTreeList } from '@/index'
 
 describe('Slot', () => {
   let wrapper
@@ -27,29 +27,41 @@ describe('Slot', () => {
       }
     ])
     wrapper = mount(VueTreeList, {
-      propsData: {model: new Tree([])},
+      propsData: { model: new Tree([]) },
       scopedSlots: {
         addTreeNodeIcon() {
-          return <span class="add-tree-node-icon">📂</span>
+          return <span class='add-tree-node-icon'>📂</span>
         },
         addLeafNodeIcon() {
-          return <span class="icon">＋</span>
+          return <span class='icon'>＋</span>
         },
         editNodeIcon() {
-          return <span class="icon">📃</span>
+          return <span class='icon'>📃</span>
         },
         delNodeIcon(slotProps) {
-          return (slotProps.model.isLeaf || !slotProps.model.children) ? <span class="del-node-icon">✂️</span> : <span />
+          return slotProps.model.isLeaf || !slotProps.model.children ? (
+            <span class='del-node-icon'>✂️</span>
+          ) : (
+            <span />
+          )
         },
         leafNodeIcon() {
-          return <span class="icon">🍃</span>
+          return <span class='icon'>🍃</span>
         },
         treeNodeIcon(slotProps) {
-          return <span class="tree-node-icon icon">{ slotProps.model.children && slotProps.model.children.length > 0 && !slotProps.expanded ? '🌲' : '❀' }</span>
+          return (
+            <span class='tree-node-icon icon'>
+              {slotProps.model.children &&
+              slotProps.model.children.length > 0 &&
+              !slotProps.expanded
+                ? '🌲'
+                : '❀'}
+            </span>
+          )
         }
       }
     })
-    wrapper.setProps({model: tree})
+    wrapper.setProps({ model: tree })
   })
 
   it('render slot correctly', () => {

vue.config.js

@@ -2,4 +2,4 @@ module.exports = {
   css: {
     extract: false
   }
-};
+}