config-overrides.js

const webpack = require('webpack');

module.exports = function override(config) {
    const fallback = config.resolve.fallback || {};
    Object.assign(fallback, {
        "crypto": require.resolve("crypto-browserify"),
        "stream": require.resolve("stream-browserify"),
        "assert": require.resolve("assert"),
        "http": require.resolve("stream-http"),
        "https": require.resolve("https-browserify"),
        "os": require.resolve("os-browserify"),
        "url": require.resolve("url"),
    })
    config.resolve.fallback = fallback;

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

    // Fix the issue with replacing 'process/browser' above
    config.module.rules.unshift({ test: /\.m?js$/, resolve: { fullySpecified: false, }, });

    // Ignore warnings about source map files
    config.ignoreWarnings = [/Failed to parse source map/];

    return config;
}