const webpack = require('webpack'); const isString = require('lodash.isstring'); const fs = require('fs'); const path = require('path'); const FRONTEND_ROOT = process.cwd(); const FRONTEND = path.join(FRONTEND_ROOT, 'src'); const BabelLoader = loader => ({ test: loader.test, include: loader.include, loader: loader.loader, options: { babelrc: true, cacheDirectory: true } }); const FileLoader = loader => ({ exclude: loader.exclude.concat([/\.(graphql|gql)$/]), loader: loader.loader, options: loader.options }); module.exports = config => { config.resolve.plugins = []; config.plugins = config.plugins.filter( plugin => !(plugin instanceof webpack.optimize.UglifyJsPlugin) ); config.module.rules = config.module.rules .reduce((loaders, loader, index) => { if (Array.isArray(loader.use)) { return loaders.concat([ Object.assign(loader, { use: loader.use.map(l => { if (isString(l) || !isString(l.loader)) { return l; } if (!l.loader.match(/eslint-loader/)) { return l; } return Object.assign(l, { options: Object.assign(l.options, { baseConfig: null, useEslintrc: true }) }); }) }) ]); } if (Array.isArray(loader.oneOf)) { return loaders.concat([ Object.assign(loader, { oneOf: loader.oneOf.map(loader => { if (!isString(loader.loader)) { return loader; } if (loader.loader.match(/babel-loader/)) { return BabelLoader(loader); } if (loader.loader.match(/file-loader/)) { return FileLoader(loader); } return loader; }) }) ]); } if (!isString(loader.loader)) { return loaders.concat([loader]); } if (loader.loader.match(/babel-loader/)) { return loaders.concat(BabelLoader(loader)); } if (loader.loader.match(/file-loader/)) { return loaders.concat([FileLoader(loader)]); } return loaders.concat([loader]); }, []) .concat([ { test: /\.(graphql|gql)$/, exclude: /node_modules/, loader: require.resolve('graphql-tag/loader') } ]); config.resolve.alias = Object.assign( {}, config.resolve.alias, fs .readdirSync(FRONTEND) .map(name => path.join(FRONTEND, name)) .filter(fullpath => fs.statSync(fullpath).isDirectory()) .reduce( (aliases, fullpath) => Object.assign(aliases, { [`@${path.basename(fullpath)}`]: fullpath }), { '@root': FRONTEND } ) ); return config; };