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webpack.config.js
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webpack.config.js
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const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin;
const EventHooksPlugin = require('event-hooks-webpack-plugin');
const { CallbackTask } = require('event-hooks-webpack-plugin/lib/tasks');
const fs = require('fs');
function isProduction(env) {
return typeof env != 'undefined' && env.production;
}
const babel = {
loader: 'babel-loader',
options: {
presets: ['@babel/preset-react'],
plugins: [ '@babel/plugin-transform-arrow-functions', "@babel/plugin-transform-classes", '@babel/plugin-transform-block-scoping', '@babel/plugin-transform-parameters', '@babel/plugin-transform-destructuring', 'babel-plugin-transform-es2015-shorthand-properties', '@babel/plugin-transform-template-literals' ]
}
};
module.exports = env => { return {
module: {
rules: [
{
test: /\.jsx?$/,
exclude: /(node_modules|bower_components)/,
use: [
babel
]
},
{
test: /\.tsx?$/,
use: [
{
loader: 'ts-loader',
options: { allowTsInNodeModules: true }
}
],
}
]
},
resolve: {
extensions: [ '.js', '.jsx', '.ts', '.tsx' ],
alias: {
'material-ui': 'material-ui/es',
}
},
entry: './script.tsx',
mode: isProduction(env) ? 'production' : 'development',
output: {
filename: 'core_script_compiled.js',
path: __dirname,
pathinfo: false
},
devtool: isProduction(env) ? false : 'source-map',
optimization: {
usedExports: true,
concatenateModules: isProduction(env),
removeAvailableModules: isProduction(env),
removeEmptyChunks: isProduction(env),
splitChunks: {
chunks: 'async',
minSize: 30000,
maxSize: 0,
minChunks: 1,
maxAsyncRequests: 5,
maxInitialRequests: 3,
automaticNameDelimiter: '~',
automaticNameMaxLength: 30,
name: true,
cacheGroups: {
vendors: {
test: /[\\/]node_modules[\\/]/,
priority: -10
},
default: {
minChunks: 2,
priority: -20,
reuseExistingChunk: true
}
}
}
},
externals: {
react: 'React',
"react-dom": 'ReactDOM',
"react-cache": 'ReactCache'
},
plugins: [
new BundleAnalyzerPlugin(),
new EventHooksPlugin({
done: new CallbackTask((compiler, callback) => {
const filename = 'built.txt';
fs.closeSync(fs.openSync(filename, 'w'))
callback();
})
})
]
}};