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webpack.config.js
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webpack.config.js
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const path = require('path');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const CopyPlugin = require("copy-webpack-plugin");
const { CleanWebpackPlugin } = require('clean-webpack-plugin');
const PUBLISH_DIRECTORY = 'dist';
module.exports = (env) => {
const isProduction = env.production;
return {
entry: ['@babel/polyfill', './src/index.js'],
output: {
filename: '[name].[contenthash].js',
path: path.resolve(__dirname, PUBLISH_DIRECTORY, 'assets'),
clean: true,
},
module: {
rules: [{
test: /\.js$/,
exclude: /node_modules/,
loader: 'babel-loader'
},
{
test: /\.s?css$/,
use: [
// fallback to style-loader in development
isProduction ?
{
loader: MiniCssExtractPlugin.loader,
options: {}
} :
{
loader: 'style-loader',
options: {}
},
{
loader: 'css-loader',
options: {
sourceMap: true
}
},
{
loader: 'sass-loader',
options: {
sourceMap: true
}
},
],
}
]
},
// https://webpack.js.org/plugins/split-chunks-plugin/#split-chunks-example-2
optimization: {
runtimeChunk: 'single',
splitChunks: {
cacheGroups: {
vendor: {
test: /[\\/]node_modules[\\/]/,
name: 'vendors',
chunks: 'all',
},
},
},
},
mode: isProduction ? 'production' : 'development',
devtool: isProduction ? 'source-map' : 'inline-source-map',
devServer: {
contentBase: path.resolve(__dirname, PUBLISH_DIRECTORY),
hot: true,
writeToDisk: true,
historyApiFallback: true
},
plugins: [
new CleanWebpackPlugin(),
new HtmlWebpackPlugin({
template: './src/index.html',
filename: path.resolve(__dirname, PUBLISH_DIRECTORY, 'index.html'),
publicPath: '/assets/'
}),
new MiniCssExtractPlugin({
filename: '[name].[contenthash].css',
}),
new CopyPlugin({
patterns: [
{
from: path.resolve(__dirname, 'static/images'),
to: path.resolve(__dirname, PUBLISH_DIRECTORY, 'assets/images')
},
],
}),
],
}
};