webpack.rules.js

const isDevelopment = process.env.NODE_ENV !== 'production';

module.exports = [
    // ... existing loader config ...
    {
        test: /\.[jt]sx?$/,
        exclude: /node_modules/,
        use: {
            loader: require.resolve('babel-loader'),
            options: {
                exclude: /node_modules/,
                presets: ['@babel/preset-typescript', '@babel/preset-react'],
                plugins: [
                    ...[isDevelopment && require.resolve('react-refresh/babel')].filter(Boolean),
                    [
                        '@babel/plugin-transform-react-jsx',
                        {
                            runtime: 'automatic',
                        },
                    ],
                    ...(isDevelopment
                        ? [
                              [
                                  'i18next-extract',
                                  {
                                      outputPath: './src/common/locales/{{locale}}/{{ns}}.json',
                                      keyAsDefaultValueForDerivedKeys: true,
                                      discardOldKeys: true,
                                  },
                              ],
                          ]
                        : []),
                ],
            },
        },
    },
    {
        test: /\.(jpe?g|png|gif|svg)$/i,
        use: [
            {
                loader: 'file-loader',
                options: {
                    query: {
                        name: 'assets/[name].[ext]',
                    },
                },
            },
            {
                loader: 'image-webpack-loader',
                options: {
                    query: {
                        mozjpeg: {
                            progressive: true,
                        },
                        gifsicle: {
                            interlaced: true,
                        },
                        optipng: {
                            optimizationLevel: 7,
                        },
                    },
                },
            },
        ],
    },
    // ... existing loader config ...
];