import {Navigate}from"react-router-dom"import React,{lazy}from"react"import Homefrom"../views/Home"constAbout= lazy(()=>import("../views/About"));//懒加载模式的组件写法,外面需要套一层loading 的提示加载组件constwithLoadingComponent=(comp:JSX.Element)=>{return<React.Suspense fallback={loading...
原文: https://blog.bitsrc.io/lazy-loading-react-components-with-react-lazy-and-suspense-f05c4cfde10c 虽然在 React 16.8.1 中终于面世的 hooks 引人瞩目,但在去年发布的 16.6.0 版本里也包含了一个吸引人的新特性,可以让我们在不依赖第三方库的情况下简化对延迟加载(lazy loading)的处理。
React.lazy 是由React 官方维护,推荐的代码拆分的解决方案。 React.lazy只能与 Suspense 一起使用,而且不支持服务端渲染。@loadable/component支持服务端渲染。 说明:react-loadable 也可以进行 React 的代码拆分,但是由于它已经没有被维护,并且与Webpack v4 +和Babel v7 +不兼容,所以,还是推荐使用以上两种解决方案。
if (__DEV__) { if (!isValidElementType(type)) { warningWithoutStack( false, 'memo: The first argument must be a component. Instead ' + 'received: %s', type === null ? 'null' : typeof type, ); } } return { $$typeof: REACT_MEMO_TYPE, ...
<Suspense fallback={Loading...}> <MyComponent /> </Suspense> ); } 其次,理解Suspense可以用于更多场景而不仅仅是懒加载组件。它可以配合React新的并发特性来使用,实现数据的懒加载、图片的懒加载等。 三、组合使用懒加载和SUSPENSE的最佳实践 在实践中,将lazy...
React Lazy Load Component React Lazy Load is an easy-to-use React component which helps you defer loading content in predictable way. It's fast, You can also use component inside scrolling container, such as div with scrollbar. It will be found automatically. Check out an example. ...
message || error} ); } // If you want to customize the component display name in React dev tools: ErrorBoundary.displayName = "SampleErrorBoundary"; Copy code to clipboardNote that there's no `default` export in this lazy-loaded file. That's because `default` is not a valid key on...
React Lazy Load Component React Lazy Load is an easy-to-use React component which helps you defer loading content in predictable way. It's fast, You can also use component inside scrolling container, such as div with scrollbar. It will be found automatically. Check out an example. ...
Describe the bug I'm using a react component like import { lazy, Suspense } from "react"; const Lazy = lazy(() => import("./LazyCanvasPreload")); const FullPageSpinner = () => <>spin...</>; const Component = () => { return ( <> <Suspense...
Implementing Lazy Loading in React How to Lazy Load Images in Javascript How to capture Lazy Loading Images for Visual Regression Testing in Cypress How to reduce False Positives in Visual Testing? Conclusion Visual Regression is essential for the visual correctness of the application which might get...