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webpack.config.babel.js
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import path from 'path';
import webpack from 'webpack';
import ExtractTextPlugin from 'extract-text-webpack-plugin';
import CompressionPlugin from 'compression-webpack-plugin';
import HtmlWebpackPlugin from 'html-webpack-plugin';
import CopyWebpackPlugin from 'copy-webpack-plugin';
import ManifestPlugin from 'webpack-manifest-plugin';
import OfflinePlugin from 'offline-plugin';
import Dashboard from 'webpack-dashboard/plugin';
import ScriptExtHtmlWebpackPlugin from 'script-ext-html-webpack-plugin';
const ENV = process.env.NODE_ENV || 'development';
module.exports = {
entry: {
app: './src/index.js',
vendor: ['preact', 'preact-router', 'redux', 'preact-mdl']
},
output: {
path: path.resolve(__dirname, './build'),
filename: '[name].[hash:8].js',
chunkFilename: '[id].[hash:8].chunk.js',
publicPath: '/'
},
resolve: {
extensions: ['.js'],
alias: {
react: 'preact-compat',
'react-dom': 'preact-compat'
}
},
module: {
rules: [
{
enforce: 'pre',
test: /\.js$/,
loader: 'source-map-loader',
exclude: /src/
},
{
enforce: 'pre',
test: /\.js$/,
loader: 'eslint-loader',
include: /src/
},
{
test: /\.js$/,
loader: 'babel-loader',
include: [
path.resolve('src'),
path.resolve('node_modules/preact-compat/src')
]
},
{
test: /\.(scss|css)$/,
loader: ExtractTextPlugin.extract(
'css-loader?sourceMap!postcss-loader?sourceMap!sass-loader?sourceMap'
)
}
]
},
plugins: [
new webpack.optimize.CommonsChunkPlugin({
name: 'vendor',
minChunks: Infinity
}),
new webpack.optimize.OccurrenceOrderPlugin(),
new ExtractTextPlugin({
filename: '[name].[chunkhash:5].css',
allChunks: true
}),
new webpack.DefinePlugin({
'process.env.NODE_ENV': JSON.stringify(ENV)
}),
new HtmlWebpackPlugin({
template: './src/index.html',
title: 'Preact Simple Starter',
removeRedundantAttributes: true,
inject: false,
manifest: `${ENV === 'production' ? 'manifest.json' : '/assets/manifest.json'}`,
minify: {
collapseWhitespace: true,
removeComments: true
},
themeColor: '#333'
}),
new ScriptExtHtmlWebpackPlugin({
defaultAttribute: 'async'
}),
new ManifestPlugin({
fileName: 'asset-manifest.json'
})
]
// Only for development
.concat(
ENV === 'development'
? [new webpack.HotModuleReplacementPlugin(), new Dashboard()]
: []
)
// Only for production
.concat(
ENV === 'production'
? [
new webpack.NoEmitOnErrorsPlugin(),
new CopyWebpackPlugin([
{ from: './src/assets/manifest.json', to: './' },
{ from: './src/assets/img', to: './img' }
]),
new OfflinePlugin({
relativePaths: false,
publicPath: '/',
updateStrategy: 'all',
safeToUseOptionalCaches: true,
caches: 'all',
ServiceWorker: {
navigateFallbackURL: '/',
events: true
},
AppCache: false
}),
new webpack.optimize.UglifyJsPlugin({
output: {
comments: 0
},
compress: {
unused: 1,
warnings: 0
}
}),
// CompressionPlugin Usage in Express
/**
app.get('*.js', function (req, res, next) {
req.url = req.url + '.gz';
res.set('Content-Encoding', 'gzip');
next();
});
**/
new CompressionPlugin({
asset: '[path].gz[query]',
algorithm: 'gzip',
test: /\.js$|\.css$|\.html$/,
threshold: 10240,
minRatio: 0.8
})
]
: []
),
stats: { colors: true },
devtool: ENV !== 'production' && 'eval',
devServer: {
port: process.env.PORT || 8080,
host: '0.0.0.0',
compress: true,
contentBase: './src',
historyApiFallback: true
}
};