feat: export nextTick (#401)

* feat: export nextTick

* chore: update

Author: antfu

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 {

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

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')
+      })
+    })
+  })
+})