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webpack.config.js
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webpack.config.js
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const UglifyJSPlugin = require('uglifyjs-webpack-plugin');
const NodemonPlugin = require( 'nodemon-webpack-plugin' );
const merge = require('webpack-merge');
const path = require('path');
const env = process.env.NODE_ENV || 'development';
const fs = require('fs');
const externals = {};
fs.readdirSync('node_modules')
.filter(x => ['.bin'].indexOf(x) === -1)
.forEach((mod) => {
externals[mod] = `commonjs ${mod}`;
});
const baseConfig = {
externals,
context: path.resolve('./src'),
target: 'node',
mode: env,
entry: {
index: './index.ts',
},
output: {
path: path.resolve('./dist'),
filename: '[name].js',
sourceMapFilename: '[name].map',
},
module: {
rules: [{
test: /\.tsx?$/,
use: 'ts-loader',
exclude: /node_modules/,
}],
},
resolve: {
extensions: ['.ts', '.js'],
modules: [path.resolve('./src'), 'node_modules'],
alias: {
'@': path.resolve(__dirname, './src'),
},
},
};
const developmentConfig = {
devtool: 'cheap-eval-source-map',
plugins: [
new NodemonPlugin(),
],
};
const productionConfig = {
devtool: 'hidden-source-map',
plugins: [],
optimization: {
minimizer: [
// we specify a custom UglifyJsPlugin here to get source maps in production
new UglifyJSPlugin({
cache: true,
parallel: true,
uglifyOptions: {
compress: false,
ecma: 6,
mangle: true,
},
sourceMap: true,
}),
],
},
};
module.exports = merge(baseConfig, env === 'development' ? developmentConfig : productionConfig);