Ric*_*tos 80 javascript express reactjs webpack babeljs
每当我webpack在终端跑步时,我得到:
Hash: efea76b1048c3a97b963
Version: webpack 1.12.13
Time: 33ms
+ 1 hidden modules
ERROR in Cannot find module 'babel-core'
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这是我的webpack.config.js文件
module.exports = {
entry: './app-client.js',
output: {
filename: 'public/bundle.js'
},
module: {
loaders: [
{
exclude: /(node_modules|app-server.js)/,
loader: 'babel'
}
]
}
}
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的package.json
{
"name": "react",
"version": "1.0.0",
"description": "React polling app",
"main": "app-client.js",
"dependencies": {
"babel-loader": "^6.2.2",
"bootstrap": "^3.3.6",
"express": "^4.13.4",
"react": "^0.14.7"
},
"devDependencies": {},
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "",
"license": "ISC"
}
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Che*_*tan 148
你应该在npm install时安装babel-loader和babel-core作为dev-dependency.
npm install babel-core babel-loader --save-dev
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Cou*_*ame 33
对于那些想要使用babel-loader 8+的人:它需要Babel 7.x ,,它将被安装为'@ babel/core'包而不是'babel-core'.换句话说,运行:
npm install --save-dev @babel/core
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the*_*ian 12
我刚刚遇到这个错误,并通过安装babel-core解决了.但有趣的是我发现babel-core确实存在于babel-loader的peerDependencies中.
https://github.com/babel/babel-loader/blob/master/package.json
为什么peerDependecies没有自动安装,经过几次搜索工作后我在npm blog中找到了这个.
peerDependencies不再自动安装.
在此线程上添加@Chetan的答案:
今天,我在这里浏览Axel Rauschmayer博士的书时遇到了这个问题。每本书也babel-loader应下载babel-core。但是,当我尝试时并非如此。我认为这与@theJian的答案有关。
由于原始package.json已经babel-loader列为依赖项,因此运行以下命令可以解决该错误。
npm install babel-core --save-dev
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