// main.ts:14 [Vue 警告]: 组件 <App>: setup 函数返回了一个 Promise,但在父组件树中未找到 <Suspense> 边界。带有异步 setup() 的组件必须嵌套在 <Suspense> 中才能被渲染。 main.ts:14 [Vue warn]: Component <App>: setup function returned a promise, but no <Suspense> boundary was found in...
1)函数式编程技巧,闭包陷阱及应用 2)异步编程技术:回调,Promise,Async函数等 3)代理技术 4)根据需要的扩展其它技术 2.Typescript开发技术 1)工作原理,适用场景,发展趋势,优势劣势分析 2)前后端开发环境布署,调试技巧 3)语言核心 4)Vue2...
5.src/App.vue <template> <router-view/> </template> <script setup> import {reactive, provide} from "vue"; import {useI18n} from "vue-i18n"; import {useStore} from "@/stores"; import {getSystemLanguage} from "@/views/pages/system/system"; const userInfo = reactive({ userId: '', ...
functionsetupComponent(instance,isSSR=false){const {props,children,shapeFlag}= instance.vnode;//判断是否是一个有状态的组件const isStateful = shapeFlag & 4;//初始化 propsinitProps(instance,props,isStateful,isSSR);//初始化 插槽initSlots(instance,children);//设置有状态的组件实例const setupResult = ...
setupRenderEffect函数创建一个effect为后面的响应式开启之路作铺垫。下面试这个函数的源码 const setupRenderEffect: SetupRenderEffectFn =( instance, initialVNode, container, anchor, parentSuspense, isSVG, optimized )=>{//create reactive effect for renderinginstance.update = effect(functioncomponentEffect() ...
call(publicThis, publicThis); if (isPromise(data)) { warn(`data() returned a Promise - note data() cannot be async; If you ` + `intend to perform data fetching before component renders, use ` + `async setup() + <Suspense>.`); } if (!isObject(data)) { warn(`data() should ...
navigation bar, which is opened by clicking the edit button on the right side of the navigation bar. The pathParser.parse function is allowed to throw an Error when the input is invalid. By default, a JSON Path notation is used, which looks like $.data[2].nested.property.JSONPathParser...
Recently, I started Vue3 and completed 3 projects. I encountered a lot of problems. I will take some time to sort it out today and share 15 more co...
Here, let's take a look at its<style>dynamic variable injection, and the corresponding code (pseudo code): export function doCompileStyle( options: SFCAsyncStyleCompileOptions ): SFCStyleCompileResults | Promise<SFCStyleCompileResults> {
Like the Vue component computed get, it is a function. The ee-vuex get function supports asynchronous return of Promise.When Promise is returned, and Promise completes and returns a non null value, set will be called to set the return value to the status....