config-overrides.js

const webpack = require('webpack');
module.exports = function override(config, env) {
    config.externals = ['pg', 'tedious', 'pg-hstore'];
    config.target = 'electron-renderer';
    config.resolve.fallback = {
        //assert: require.resolve('assert'),
        //buffer: require.resolve('buffer'),
        //console: require.resolve('console-browserify'),
        //constants: require.resolve('constants-browserify'),
        //crypto: require.resolve('crypto-browserify'),
        //domain: require.resolve('domain-browser'),
        //events: require.resolve('events'),
        //http: require.resolve('stream-http'),
        //https: require.resolve('https-browserify'),
        //os: require.resolve('os-browserify/browser'),
        path: require.resolve('path-browserify'),
        //punycode: require.resolve('punycode'),
        //process: require.resolve('process/browser'),
        //querystring: require.resolve('querystring-es3'),
        //stream: require.resolve('stream-browserify'),
        //string_decoder: require.resolve('string_decoder'),
        //sys: require.resolve('util'),
        //timers: require.resolve('timers-browserify'),
        //tty: require.resolve('tty-browserify'),
        //url: require.resolve('url'),
        //util: require.resolve('util'),
        //vm: require.resolve('vm-browserify'),
        //zlib: require.resolve('browserify-zlib'),
        fs: require.resolve('fs'),
        "electron-is-dev": require.resolve('electron-is-dev')

    };
    config.plugins.push(
        new webpack.ProvidePlugin({
            process: 'process/browser',
            Buffer: ['buffer', 'Buffer'],
        }),
    );

    return config;
}