这个错误是在使用Jest进行测试时出现的,提示React未定义。这通常是因为在测试文件中没有正确引入React库。 要解决这个问题,首先确保你的项目中已经安装了React库。可以通过运行以下命令...
问React + Jest测试错误-未定义ReferenceError: expectEN每当您希望测试某个值时，就可以使用expect函数，...
在Jest测试中遇到ReferenceError: window is not defined错误通常是因为你的测试代码或者被测代码试图访问window对象,但在Jest的Node.js测试环境中window对象并不存在。以下是一些分析和解决此问题的步骤: 理解ReferenceError: window is not defined错误: 这个错误表明你的代码尝试访问了一个未定义的变量或对象属性,在这...
at invokeGuardedCallback (node_modules/react-test-renderer/cjs/react-test-renderer.development.js:11499:31) ReferenceError: You are trying to `import` a file after the Jest environment has been torn down. 23 | ); 24 | } > 25 | | ^ 26 | const styles = StyleSheet.create({ 27 | conta...
尝试测试 create-react-app 项目时出现“ReferenceError: document is not defined” 社区维基1 发布于 2022-12-08 新手上路,请多包涵 这是我的 __tests__/App.js 文件: import React from 'react'; import ReactDOM from 'react-dom'; import App from '../src/containers/App'; it('renders without ...
ReferenceError: document is not defined at insertStyleElement (D:\ReactJs-Projects\Expensify-app\node_modules\style-loader\dist\cjs.js!D:\ReactJs-Projects\Expensify-app\node_modules\css-loader\dist\cjs.js!D:\ReactJs-Projects\Expensify-app\node_modules\sass-loader\lib\loader.js!D:\ReactJs-Proj...
React is not defined modified to Error Occurs: React is not defined in still am getting the following error, while running jest testcases ReferenceError, currently stuck in trying to figure out how to solve the typical uncaught referenceerror, : React is not defined when porting my app from cr...
"react-app", "react-app/jest" ] }, "browserslist": { "production": [ ">0.2%", "not dead", "not op_mini all" ], "development": [ "last 1 chrome version", "last 1 firefox version", "last 1 safari version" ] }, "devDependencies": { ...
🤯 不过我们回头看一下, 报错的 abort-controller 包在 node_modules 中的代码不就是 CommonJs 规范的吗, 按理来说此时 isHarmony 为 false, 函数的入参是 exports 才对! 💡 这里要补充的知识是像 create-react-app 、next 、jest 等 Node 工具都默认不会让 babel 去处理 node_modules 中包的代码, ...
I'm running a react-native project with the typical usage, and getting an error while testing: ReferenceError: ENV_VARIABLE is not defined. babel.config.js module.exports = { presets: ['module:metro-react-native-babel-preset'], plugins: ...