Babel.js Webpack.config.js:配置具有未知属性“default”

t0ybt7op  于 2022-12-16  发布在  Babel
关注(0)|答案(1)|浏览(189)

我已经把所有的东西从一个工作项目(ultimate-hot-reloading-example)移到了我的一个使用keystone cms的现有项目中,我卸载了我项目中的所有开发依赖项,并将工作项目中的所有依赖项安装到了我的项目中(webpack,babel,等等...)。
由于某种原因,web.config.js文件不会解析es6语法

export default

这会产生以下错误:

- configuration has an unknown property 'default'.

如果我切换到下面的代码,它就会工作:

const config = ...
module.exports = config;

在我项目的其他地方,我使用了其他es6语法,它工作...
下面是package.json中的依赖项,它可以很好地与使用“export default”语法的示例项目配合使用。

"dependencies": {
"babel-cli": "^6.10.1",
"babel-core": "^6.10.4",
"babel-eslint": "^8.2.3",
"babel-loader": "^7.1.1",
"babel-plugin-react-transform": "^3.0.0",
"babel-plugin-transform-runtime": "^6.9.0",
"babel-preset-env": "^1.7.0",
"babel-preset-react": "^6.11.1",
"babel-register": "^6.9.0",
"babel-runtime": "^6.9.2",
"chokidar": "^2.0.3",
"css-loader": "^0.28.11",
"css-modules-require-hook": "^4.0.1",
"eslint": "^4.19.1",
"eslint-plugin-react": "^7.8.1",
"express": "^4.14.0",
"prop-types": "^15.6.1",
"react": "^16.3.2",
"react-dom": "^16.3.2",
"react-hot-loader": "^4.1.3",
"react-redux": "^5.0.7",
"redux": "^4.0.0",
"style-loader": "^0.21.0",
"webpack": "^4.8.3",
"webpack-dev-middleware": "^3.1.3",
"webpack-hot-middleware": "^2.12.1",
"webpack-node-externals": "^1.7.2"

知道为什么会这样吗?

anauzrmj

anauzrmj1#

我也遇到过类似的问题,结果是从require(...)import(...)的迁移不正确
我替换了这个代码:

const common = require("./webpack.common");
module.exports = merge(common, {...})

字符串
与:

const common = await import("./webpack.common.js");
export default merge(common, .....)

问题是我没有使用从webpack.common.js导出的default。修复方法是:

const common = await import("./webpack.common.js");
export default merge(common.default, .....)

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