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webpack.config.js
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webpack.config.js
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const path = require('path');
module.exports = {
entry: './src/index.js', // 项目的入口文件
output: {
path: path.resolve(__dirname, 'dist'), // 打包输出的目录
filename: 'bundle.js', // 打包输出的文件名
publicPath: './', // 打包后的文件会默认放在静态目录下,通过publicPath来修改静态资源的访问路径
},
module: {
rules: [
{
test: /\.js$/,
exclude: /node_modules/,
use: {
loader: 'babel-loader',
options: {
presets: ['@babel/preset-env', '@babel/preset-react'],
},
},
},
{
test: /\.css$/,
use: ['style-loader', 'css-loader'],
},
{
test: /\.jsx?$/,
exclude: /node_modules/,
use: {
loader: 'babel-loader',
options: {
presets: ['@babel/preset-react']
}
}
}
],
},
resolve: {
alias: {
'@components': path.resolve(__dirname, 'src/components/'),
'@js': path.resolve(__dirname, 'src/js'),
},
},
mode: 'production', //开发模式,会保留源代码的映射文件,production生产模式
};