javascript - webpack配置babel
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问题描述
问 题
var path = require('path');
module.exports = {
entry: './app/index.js',
output: {
path: './build/',
filename: 'build.js'
},
module: {
loaders: [
{
test: /\.css$/,
loaders: ["style", "css"],
exclude: "/node_modules/"
},
{
test: /\.js$/,
loader: 'babel-loader',
exclude: "/node_modules/",
query: {
presets: ['es2015']
}
}
]
},
resolve: {
extensions: ['', '.js', '.css']
}
}
会报出错误.
ERROR in C:/Documents and Settings/Neko/Application Data/npm/~/webpack-dev-serve
r/client?http://localhost:8080
Module not found: Error: Cannot resolve module 'babel-loader' in C:\Documents an
d Settings\Neko\Application Data\npm\node_modules\webpack-dev-server\client
@ C:/Documents and Settings/Neko/Application Data/npm/~/webpack-dev-server/clie
nt?http://localhost:8080 1:10-24
ERROR in C:/Documents and Settings/Neko/Application Data/npm/~/webpack-dev-serve
r/client?http://localhost:8080
Module not found: Error: Cannot resolve module 'babel-loader' in C:\Documents an
d Settings\Neko\Application Data\npm\node_modules\webpack-dev-server\client
@ C:/Documents and Settings/Neko/Application Data/npm/~/webpack-dev-server/clie
nt?http://localhost:8080 3:16-37
ERROR in C:/Documents and Settings/Neko/Application Data/npm/~/webpack-dev-serve
r/client?http://localhost:8080
Module not found: Error: Cannot resolve module 'babel-loader' in C:\Documents an
d Settings\Neko\Application Data\npm\node_modules\webpack-dev-server\client
@ C:/Documents and Settings/Neko/Application Data/npm/~/webpack-dev-server/clie
nt?http://localhost:8080 2:13-37
.. 我之前加上了include: [path.resolve(__dirname, "/app/")],
能够完成编译, 但是babel没有起作用.. 请问....是哪里出问题了..
解决方案
你没装babel-loader
,来吧:
npm install --save-dev babel-core babel-loader
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