feat(vue3): Migrate to vue 3 (#60)

.eslintrc.js

@@ -3,6 +3,10 @@ module.exports = {
       'standard',
       'plugin:vue/recommended'
     ],
+    parserOptions: {
+      ecmaVersion: 2018,
+      sourceType: 'module'
+    },
     rules: {
     }
   }

example/App.vue

@@ -1,7 +1,11 @@
 <template>
   <div>
-    <button @click.prevent="changeOptions">Change options</button>
-    <button @click.prevent="watcher = !watcher">Toggle watch on scrollbar</button>
+    <button @click.prevent="changeOptions">
+      Change options
+    </button>
+    <button @click.prevent="watcher = !watcher">
+      Toggle watch on scrollbar
+    </button>
     <scroll
       ref="scroll"
       :options="options"
@@ -22,7 +26,8 @@
 </template>
 
 <script>
-export default {
+import { defineComponent } from 'vue'
+export default defineComponent({
   data () {
     return {
       content: 'Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industrys standard dummy text ever since the 1500s, when an unknown printer took a galley of type and scrambled it to make a type specimen book. It has survived not only five centuries, but also the leap into electronic typesetting, remaining essentially unchanged. It was popularised in the 1960s with the release of Letraset sheets containing Lorem Ipsum passages, and more recently with desktop publishing software like Aldus PageMaker including versions of Lorem Ipsum',
@@ -37,7 +42,7 @@ export default {
       this.options.minScrollbarLength = this.options.minScrollbarLength + 50
     }
   }
-}
+})
 </script>
 <style>
 .container {

example/index.js

@@ -1,13 +1,14 @@
-import Vue from 'vue'
+import { createApp, h } from 'vue'
 import App from './App.vue'
 import Vue2PerfectScrollbar from '../src'
 import '../src/style.css'
 
-Vue.use(Vue2PerfectScrollbar, {
-  name: 'scroll'
+const app = createApp({
+  render: () => h(App)
 })
-/* eslint-disable no-new */
-new Vue({
-  el: '#app',
-  render: h => h(App)
+
+app.use(Vue2PerfectScrollbar, {
+  name: 'scroll'
 })
+
+app.mount('#app')

package.json

@@ -34,18 +34,19 @@
   "devDependencies": {
     "@babel/core": "^7.0.0",
     "@babel/preset-env": "^7.0.0",
-    "@vue/test-utils": "^1.0.0-beta.25",
+    "@vue/compiler-sfc": "^3.0.2",
+    "@vue/test-utils": "^2.0.0-beta.7",
     "babel-loader": "^8.0.2",
     "chai": "^4.1.2",
     "css-loader": "^1.0.0",
-    "eslint": "^5.5.0",
+    "eslint": "^7.12.0",
     "eslint-config-standard": "^12.0.0",
-    "eslint-loader": "^2.1.0",
     "eslint-plugin-import": "^2.14.0",
     "eslint-plugin-node": "^7.0.1",
     "eslint-plugin-promise": "^4.0.0",
     "eslint-plugin-standard": "^4.0.0",
-    "eslint-plugin-vue": "^5.0.0-beta.3",
+    "eslint-plugin-vue": "^7.1.0",
+    "eslint-webpack-plugin": "^2.1.0",
     "karma": "^3.0.0",
     "karma-chai": "^0.1.0",
     "karma-chrome-launcher": "^2.2.0",
@@ -54,20 +55,19 @@
     "karma-spec-reporter": "^0.0.32",
     "karma-webpack": "^3.0.5",
     "mocha": "^5.2.0",
-    "node-sass": "^4.9.3",
+    "node-sass": "^4.14.1",
     "rollup": "^0.65.2",
     "rollup-plugin-buble": "^0.19.2",
     "rollup-plugin-commonjs": "^9.1.6",
     "rollup-plugin-node-resolve": "^3.4.0",
     "rollup-plugin-uglify": "^5.0.2",
-    "sass-loader": "^7.1.0",
+    "sass-loader": "^10.0.4",
     "style-loader": "^0.23.0",
-    "ts-loader": "^5.1.0",
-    "typescript": "^3.0.3",
-    "vue": "^2.5.17",
-    "vue-loader": "^15.4.1",
+    "ts-loader": "^8.0.7",
+    "typescript": "^4.0.3",
+    "vue": "^3.0.2",
+    "vue-loader": "^16.0.0-beta.8",
     "vue-style-loader": "^4.1.2",
-    "vue-template-compiler": "^2.5.17",
     "webpack": "^4.17.2",
     "webpack-cli": "^3.1.0",
     "webpack-dev-server": "^3.1.7"

src/Scrollbar.js

@@ -1,4 +1,20 @@
+import { h } from 'vue'
 import PerfectScrollbar from 'perfect-scrollbar'
+
+const eventNames = [
+  'scroll',
+  'ps-scroll-y',
+  'ps-scroll-x',
+  'ps-scroll-up',
+  'ps-scroll-down',
+  'ps-scroll-left',
+  'ps-scroll-right',
+  'ps-y-reach-start',
+  'ps-y-reach-end',
+  'ps-x-reach-start',
+  'ps-x-reach-end'
+]
+
 export default {
   name: 'PerfectScrollbar',
   props: {
@@ -18,6 +34,7 @@ export default {
       default: false
     }
   },
+  emits: eventNames,
   data () {
     return {
       ps: null
@@ -44,13 +61,17 @@ export default {
       this.update()
     })
   },
-  beforeDestroy () {
+  beforeUnmount () {
     this.destroy()
   },
   methods: {
     create () {
       if (!(this.ps && this.$isServer)) {
         this.ps = new PerfectScrollbar(this.$refs.container, this.options)
+
+        eventNames.forEach(eventName => {
+          this.ps.element.addEventListener(eventName, event => this.$emit(eventName, event))
+        })
       }
     },
     createWatcher () {
@@ -73,13 +94,12 @@ export default {
       }
     }
   },
-  render (h) {
+  render () {
     return h(this.tag,
       {
         ref: 'container',
-        class: 'ps',
-        on: this.$listeners
+        class: 'ps'
       },
-      this.$slots.default)
+      this.$slots.default())
   }
 }

webpack.config.js

@@ -1,5 +1,6 @@
 const path = require('path')
 const { VueLoaderPlugin } = require('vue-loader')
+const ESLintPlugin = require('eslint-webpack-plugin')
 
 if (process.env.NODE_ENV === 'test') {
   // exclude NPM deps from test bundle
@@ -17,16 +18,6 @@ module.exports = {
   },
   module: {
     rules: [
-      {
-        enforce: 'pre',
-        test: /\.(js|vue)$/,
-        include: [
-          path.resolve(__dirname, 'src'),
-          path.resolve(__dirname, 'example')
-        ],
-        exclude: /node_modules/,
-        loader: 'eslint-loader'
-      },
       {
         test: /\.css$/,
         use: ['vue-style-loader', 'css-loader']
@@ -52,5 +43,17 @@ module.exports = {
     compress: true,
     port: 9000
   },
-  plugins: [new VueLoaderPlugin()]
+  plugins: [
+    new VueLoaderPlugin(),
+    new ESLintPlugin({
+      files: [
+        './src',
+        './example'
+      ],
+      extensions: [
+        'js',
+        'vue'
+      ]
+    })
+  ]
 }