From d70c90495b3082625171fe1ef3d9db4705ed09e5 Mon Sep 17 00:00:00 2001
From: Anthony Fu <anthonyfu117@hotmail.com>
Date: Wed, 24 Jun 2020 18:24:18 +0800
Subject: [PATCH] feat: export nextTick (#401)

* feat: export nextTick

* chore: update
---
 src/index.ts      |  1 +
 src/nextTick.ts   | 11 +++++++++++
 test/misc.spec.js | 29 +++++++++++++++++++++++++++++
 3 files changed, 41 insertions(+)
 create mode 100644 src/nextTick.ts
 create mode 100644 test/misc.spec.js

diff --git a/src/index.ts b/src/index.ts
index c891f3d1..4d149bf1 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -21,6 +21,7 @@ if (currentVue && typeof window !== 'undefined' && window.Vue) {
 }
 
 export default plugin
+export { nextTick } from './nextTick'
 export { default as createElement } from './createElement'
 export { SetupContext }
 export {
diff --git a/src/nextTick.ts b/src/nextTick.ts
new file mode 100644
index 00000000..4a912657
--- /dev/null
+++ b/src/nextTick.ts
@@ -0,0 +1,11 @@
+import Vue from 'vue'
+import { currentVue } from './runtimeContext'
+
+type NextTick = Vue['$nextTick']
+
+export const nextTick: NextTick = function nextTick(
+  this: ThisType<NextTick>,
+  ...args: Parameters<NextTick>
+) {
+  return currentVue?.nextTick.bind(this, args)
+} as any
diff --git a/test/misc.spec.js b/test/misc.spec.js
new file mode 100644
index 00000000..6c10bb66
--- /dev/null
+++ b/test/misc.spec.js
@@ -0,0 +1,29 @@
+const Vue = require('vue/dist/vue.common.js')
+const { ref, nextTick } = require('../src')
+
+describe('nextTick', () => {
+  it('should works', () => {
+    const vm = new Vue({
+      template: `<div>{{a}}</div>`,
+      setup() {
+        return {
+          a: ref(1),
+        }
+      },
+    }).$mount()
+
+    expect(vm.$el.textContent).toBe('1')
+    vm.a = 2
+    expect(vm.$el.textContent).toBe('1')
+
+    nextTick(() => {
+      expect(vm.$el.textContent).toBe('2')
+      vm.a = 3
+      expect(vm.$el.textContent).toBe('2')
+
+      nextTick(() => {
+        expect(vm.$el.textContent).toBe('3')
+      })
+    })
+  })
+})