babel-jest Babeljestplugin Usage If you are already usingjest-cli, addbabel-jestand it will automatically compile JavaScript code using Babel. yarn add --dev babel-jest @babel/core If you would like to write your own preprocessor, uninstall and delete babel-jest and set theconfig.transform...
npm install --save-dev babel-jest-assertionsWith yarn:yarn add -D babel-jest-assertionsSetup.babelrc{ "plugins": ["babel-jest-assertions"] }CLIbabel --plugins babel-jest-assertions script.jsNoderequire('babel-core').transform('code', { plugins: ['babel-jest-assertions'], })...
The react-scripts package provided by Create React App requires a dependency: "babel-jest": "23.6.0" Don't try to install it manually: your package manager does it automatically. However, a different version of babel-jest was detected higher up in the tree: /home/karan/workspace/node_modul...
1,安装Babel转换器: npm install babel-jest @babel/core @babel/preset-env -D 2,在项目根目录下新建一个.babelrc的文件,配置如下所示。 {"presets":[["@babel/preset-env",{"targets":{"node":"current"}}]]} 3,再重新执行 =》npm run test image.png 就可以执行成功了。
1,安装Babel转换器: npm install babel-jest @babel/core @babel/preset-env -D 2,在项目根目录下新建一个.babelrc的文件,配置如下所示。 { "presets": [ [ "@babel/preset-env", { "targets": { "node":"current" } } ] ] } 3,再重新执行 =》npm run test image.png 就可以执行成功了 收获...
开发环境依赖。这种依赖只在项目开发时所需要,比如构建工具webpack、gulp,单元测试工具jest、mocha等。可通过下面的命令来安装: npm i ${packageName} -D peerDependencies 同行依赖。这种依赖的作用是提示宿主环境去安装插件在peerDependencies中所指定依赖的包,用于解决插件与所依赖包不一致的问题。
npm i babel-core babel-loader babel-plugin-add-module-exports babel-preset-env eslint webpack webpack-cli clean-webpack-plugin babel-jest jest jquery 新建一个webpack.config.js配置文件,写入一下内容。 // webpack.config.js constpath =require('path'); ...
npm i babel-core babel-loader babel-plugin-add-module-exports babel-preset-env eslint webpack webpack-cli clean-webpack-plugin babel-jest jest jquery 新建一个webpack.config.js配置文件,写入一下内容。 // webpack.config.jsconstpath=require('path');const{CleanWebpackPlugin}=require('clean-web...
在jest原生测试框架中,无法使用es6的import export语法,只能使用commonJS语法,可以使用下面的方式解决 step1: 在项目根目录下添加.babelrc文件 代码语言:javascript 复制 {"env":{"test":{"plugins":["@babel/plugin-transform-modules-commonjs"]}}}
"babel-helper-vue-jsx-merge-props": "^2.0.0","deepmerge": "^1.2.0","normalize-wheel": ...