Learn how to setup TypeScript on new and existing Vue CLI applications. 在 Vue 3.0 的 .vue 组件里，标准的 setup 用法，默认的 SFC 规范里（注：SFC，即 Single-File Component，.vue 单组件）要求，在 setup 里面定义的数据如果需要在 template 使用，都需要 return 出来，如果你使用的是 TypeScript ，还需要借助 defineComponent 来帮助你对类型的自动推导。 The code looks much cleaner and nice. The vue-next plugin automatically goes through your app files, and converts them to be compatible with Vue 3 syntax. < script setup > import {ref } from 'vue' export const count = ref (0) export const inc = => count. #Editor Support. I assumed the JSX transform was the same as React's (swapping React.createElement with Vue.h). Once again, Vue Vite integrates smoothly with Vue 3 by offering built-in Typescript support for both .ts files and for . You can also use the vue field in package.json, but do note in that case you will be limited to JSON-compatible values only. Frontend & In Vue 2, a component’s props are simply part of the this object and can be accessed by using this.propName. Thoughts on the new Here it is mentioned as a Notable New Feature, how’s your IDE/plugin setup for the way of creating components? One hurdle to getting started with TypeScript can be configuring the necessary build tooling. Vue mastery. As you see in the code above we are using the setup method to define the label and a default function when the user clicks our component and we exporting them into the