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webpack.config.js
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webpack.config.js
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// basic consts
const path = require('path');
const webpack = require('webpack');
// additional plugins
const CleanWebpackPlugin = require('clean-webpack-plugin');
const UglifyJSPlugin = require('uglifyjs-webpack-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const ImageminPlugin = require('imagemin-webpack-plugin').default;
const ExtractTextPlugin = require('extract-text-webpack-plugin');
// some variables
let isProduction = (process.env.NODE_ENV === 'production')
// show errors trace
// process.traceDeprecation = true
module.exports = {
// Base path for output management
context: path.resolve(__dirname, 'src'),
// JavaScript entry point files
entry: {
app: [
'./js/app.js',
'./scss/theme.scss',
],
},
// Webpack output files configuration
output: {
filename: 'js/[name].js',
path: path.resolve(__dirname, 'dist'),
publicPath: '../' // styles 'url()' function fix
},
// Enable source maps (only production)
devtool: (isProduction) ? '' : 'source-map',
// Webpack Dev server config
devServer: {
contentBase: './app'
},
// Loaders and modules
module: {
rules: [
// SCSS loader
{
test: /\.scss$/,
use: ExtractTextPlugin.extract({
use: [
{
loader: 'css-loader',
options: { sourceMap: true }
},
{
loader: 'postcss-loader',
options: { sourceMap: true }
},
{
loader: 'sass-loader',
options: { sourceMap: true }
},
],
fallback: 'style-loader',
})
},
// Image loader (for styles)
{
test: /\.(png|jpe?g|gif)$/,
loaders: [
{
loader: 'file-loader',
options: {
name: '[path][name].[ext]',
},
},
'img-loader',
]
},
// SVG converter into 'data:image'
{
test: /\.svg$/,
loader: 'svg-url-loader',
},
// Fonts loader
{
test: /\.(woff|woff2|eot|ttf|otf)$/,
use: [
{
loader: 'file-loader',
options: {
name: '[path][name].[ext]',
},
}
],
},
],
},
// Additional Webpack plugins list
plugins: [
// Webpack modules splitter (if any vendor was used)
// new webpack.optimize.CommonsChunkPlugin({
// name: 'common',
// }),
// Dist folder cleaner
new CleanWebpackPlugin(['dist']),
// Copy images folder
new CopyWebpackPlugin(
[
// from 'src' to 'dist'
{ from: './img', to: 'img' },
],
{
// exclude SVG graphics (inline)
ignore: [
{ glob: 'svg/*' },
]
}
),
// Extract SCSS to CSS plugin
new ExtractTextPlugin(
'./css/[name].css'
),
// jQuery global plugin
new webpack.ProvidePlugin({
$: 'jquery',
jQuery: 'jquery',
jquery: 'jquery',
'window.jQuery': 'jquery',
Popper: ['popper.js', 'default'],
})
],
};
// PRODUCTION ONLY
if (isProduction) {
module.exports.plugins.push(
// JS tree-shake optimizer
new UglifyJSPlugin({
sourceMap: true
}),
);
module.exports.plugins.push(
// Image optimizer
new ImageminPlugin({
test: /\.(jpe?g|png|gif|svg)$/i
}),
);
module.exports.plugins.push(
// Minimize CSS plugin
new webpack.LoaderOptionsPlugin({
minimize: true
})
);
}