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const merge = require('webpack-merge');
const path = require('path');
const glob = require('glob');
const parts = require('./webpack.parts');
const PATHS = {
app: path.join(__dirname, "src"),
build: path.join(__dirname, "dist"),
};
const commonConfig = merge([
{
output: {
publicPath: "/",
},
resolveLoader: {
alias: {
"demo-loader": path.resolve(__dirname, "loaders/demo-loader.js"),
},
},
},
parts.loadJavaScript({ include: PATHS.app }),
parts.setFreeVariable("HELLO", "hello from config"),
]);
const productionConfig = merge([
{
performance: {
hints: "warning",
maxEntrypointSize: 50000,
maxAssetSize: 450000,
}
},
{
output: {
chunkFilename: "[name].[chunkhash:4].js",
filename: "[name].[chunkhash:4].js",
},
},
parts.clean(PATHS.build),
parts.minifyJavaScript(),
parts.minifyCSS({
options: {
discardComments: {
removeAll: true,
},
safe: true,
},
}),
parts.generateSourceMaps({ type: 'source-map' }),
parts.extractCSS({
use: ["css-loader", parts.autoprefix()]
}),
parts.purifyCSS({
paths: glob.sync(`${PATHS.app}/**/*.js`, { nodir: true }),
}),
parts.loadImages({
options: {
limit: 15000,
name: "[name].[hash:4].[ext]",
},
}),
{
optimization: {
splitChunks: {
cacheGroups: {
commons: {
test: /[\\/]node_modules[\\/]/,
name: "vendor",
chunks: "initial",
}
}
},
runtimeChunk: {
name: "manifest",
},
}
},
parts.attachRevision(),
]);
const developmentConfig = merge([
parts.devServer({
host: process.env.HOST,
port: process.env.PORT,
}),
parts.loadCSS(),
parts.loadImages(),
]);
module.exports = mode => {
process.env.BABEL_ENV = mode;
const pages = [
parts.page({
title: "Webpack demo",
entry: {
app: PATHS.app,
},
chunks: ["app", "manifest", "vendor"],
}),
parts.page({
title: "Another demo",
path: "another",
entry: {
another: path.join(PATHS.app, "another.js"),
},
chunks: ["another", "manifest", "vendor"],
}),
];
const config = mode === "production" ? productionConfig : developmentConfig;
return merge([commonConfig, config, { mode }].concat(pages));
};
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