const { merge } = require('webpack-merge') const config = require('./webpack.common.js') let isDev = false try { const buildMode = process.env.NODE_ENV isDev = buildMode === 'development' } catch (e) { console.error('Could not determine build mode', e) } module.exports = merge(config, { mode: isDev ? 'development' : 'production', devtool: isDev ? 'cheap-source-map' : 'source-map', })