const path = require('path'); module.exports = { entry: './build/index.js', devtool: 'source-map', mode: 'production', resolve: { alias: { ol: path.resolve('./src/ol'), }, }, output: { path: path.resolve('./build/legacy'), filename: 'ol.js', library: 'ol', libraryTarget: 'umd', libraryExport: 'default', }, };