sample webpack config
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import path from 'path'; | |
import webpack from 'webpack'; | |
import { BundleAnalyzerPlugin } from 'webpack-bundle-analyzer'; | |
const isDev = !(process.env.NODE_ENV === 'production'); | |
const analyze = process.argv.includes('--analyze'); | |
const useMocks = process.argv.includes('--mock'); | |
const config = { | |
cache: isDev, | |
context: path.resolve(__dirname), | |
devtool: isDev ? 'cheap-module-inline-source-map' : 'source-map', | |
output: { | |
path: path.resolve(__dirname, 'dist'), | |
publicPath: '/', | |
filename: isDev ? '[name].js' : '[name].[chunkhash:8].js' | |
}, | |
entry: [ | |
'babel-polyfill', | |
...isDev ? [ | |
'react-hot-loader/patch', | |
'webpack-dev-server/client?http://localhost:8080', | |
'webpack/hot/only-dev-server', | |
] : [], | |
'./src/index.js', | |
], | |
name: 'client', | |
module: { | |
// makes missing exports an error instead of a warning | |
strictExportPresence: true, | |
rules: [ | |
{ | |
test: /\.(js|jsx)$/, | |
include: [path.resolve(__dirname, 'src'), path.resolve(__dirname, 'utils')], | |
loader: 'babel-loader', | |
options: { | |
// https://github.com/babel/babel-loader#options | |
cacheDirectory: isDev, | |
babelrc: false, | |
presets: [ | |
'es2015', | |
'stage-2', | |
// https://github.com/babel/babel/tree/master/packages/babel-preset-react | |
'react' | |
], | |
plugins: [ | |
// https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-constant-elements | |
...(isDev ? ['transform-react-constant-elements'] : []), | |
// https://github.com/babel/babel/tree/master/packages/babel-plugin-transform-react-inline-elements | |
...(isDev ? ['transform-react-inline-elements'] : []), | |
// https://github.com/oliviertassinari/babel-plugin-transform-react-remove-prop-types | |
...(isDev ? ['transform-react-remove-prop-types'] : []), | |
] | |
} | |
}, | |
{ | |
test: /\.css?$/, | |
rules: [ | |
{ | |
loader: 'style-loader' | |
}, | |
{ | |
// process external stylesheets | |
exclude: path.resolve(__dirname, 'src'), | |
loader: 'css-loader', | |
options: { | |
sourceMap: isDev, | |
minimize: isDev ? false : { discardComments: { removeAll: true } } | |
} | |
}, | |
{ | |
include: path.resolve(__dirname, 'src'), | |
loader: 'css-loader', | |
options: { | |
importLoaders: 1, | |
sourceMap: isDev, | |
localIdentName: isDev ? '[name]-[local]-[hash:base64:5]' : '[hash:base64:5]', | |
minimize: isDev ? false : { discardComments: { removeAll: true } } | |
} | |
} | |
] | |
}, | |
{ | |
test: /\.less?$/, | |
use: [ | |
{ | |
loader: 'style-loader' | |
}, | |
{ | |
loader: 'css-loader' | |
}, | |
{ | |
loader: 'less-loader' | |
} | |
] | |
} | |
] | |
}, | |
plugins: [ | |
new webpack.DefinePlugin({ | |
'process.env.NODE_ENV': isDev ? '"development"' : '"production"', | |
'process.env.BROWSER': true, | |
__DEV__: true, | |
__MOCK__: useMocks ? true : false | |
}), | |
...analyze ? [new BundleAnalyzerPlugin()] : [], | |
...(isDev | |
? [ | |
new webpack.HotModuleReplacementPlugin(), | |
new webpack.NamedModulesPlugin(), | |
] | |
: [ | |
new webpack.optimize.ModuleConcatenationPlugin(), | |
new webpack.optimize.UglifyJsPlugin({ | |
compress: { | |
warnings: false, | |
screw_ie8: true, | |
conditionals: true, | |
unused: true, | |
comparisons: true, | |
sequences: true, | |
dead_code: true, | |
evaluate: true, | |
if_return: true, | |
join_vars: true | |
}, | |
output: { | |
comments: false | |
} | |
}), | |
] | |
) | |
], | |
resolve: { | |
modules: ['node_modules', 'src', path.resolve(__dirname)] | |
}, | |
target: 'web', | |
} | |
export default config; |
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