当我在浏览器中运行应用程序时,出现Uncaught ReferenceError: React is not defined错误。 关于这个相同的错误,有很多关于 SO 的问题,但是还没有一个解决方案解决了我的问题。 问题 我缺少什么让 React、Babel 和 Webpack 很好地协同工作? 代码 包.json {"private":true,"scripts":{"build":"webpack","start"...
所以需要在package.json把配置加回来 // package.json{"babel":{"presets":[["react-app",{"runtime":"automatic"}]]}} 重新启动项目就欧了 没那个报错了 issues 详情:https://github.com/facebook/create-react-app/issues/9882
externals: [ { react:'React',}, ], But still am getting the following error, while running jest testcases ReferenceError: React is not defined
如果使用的是Babel和React 17,则可能需要在webpack配置中添加“runtime”:“automatic”。 "presets":["@babel/preset-env",["@babel/preset-react",{"runtime":"automatic"}]] 添加位置如图
Uncaught ReferenceError: React is not defined 但是我可以在浏览器控制台中访问 React 对象 我还按照此处所述添加了public/dist/turbo-react.min.js,并按照此答案中的描述在application.js 中添加了//= require components行,但运气不佳。此外, var React = require('react')给出错误: ...
I am trying to make ReactJS work with rails using this tutorial. I am getting this error: Uncaught ReferenceError: React is not defined But I can access the React object in browser console I also added public/dist/turbo-react.min.js as described here and also added //= require component...
ReferenceError: React is not defined 之前的一个项目报错 ReferenceError: React is not defined ,如下图: 点进去可以看到,组件中创建元素的时候报错,找不到 React 。 解决方法: 如果使用的是 Babel 和 React 17,需要添加“运行时”配置,在 .babelrc 配置文件中添加如下代码:...
Not sure if this is the appropriate place to post this. First app using material-table. App works find in React dev mode. However, after deploying the app. I have tried both Vercel and Netlify. Both platforms are giving me the same resul...
Referenceerror: react is not defined – Solutions Since we already know what are the causes of the error, here are their solutions. 1. Missing import statement If you’re using React in a JavaScript file, you need to import it at the top of the file. The import statement should look som...
EDIT: I don't think react runtime is supported by @swc-node at all.@swc-node/loader works in webpack but the bundle produced does not have the react runtime. Below is the original issue: my project was using @swc/jest and a .swcrc like t...