module.exports = (baseConfig, env, defaultConfig) => { const config = {...defaultConfig, ...baseConfig}; config.module.rules.push({ test: /\.(ts|tsx)$/, loader: require.resolve('awesome-typescript-loader') }); config.module.rules.push({ test: /Story.tsx/, loaders: [ { loader: require.resolve('@storybook/addon-storysource/loader'), options: {parser: 'typescript'} } ], enforce: 'pre', }); config.module.rules.push({ test: /\.css/, use: [ { loader: 'style-loader' }, { loader: 'css-loader', options: {sourceMap: true} }] }); config.module.rules.push({ test: /\.scss$/, use: [ { loader: 'style-loader' }, { loader: 'css-loader', options: {sourceMap: true} }, { loader: 'sass-loader', options: {sourceMap: true} }] }); config.resolve.extensions.push('.ts', '.tsx'); return config; };