craco.config.js

const { addBeforeLoader, loaderByName } = require('@craco/craco');

module.exports = {
    webpack: {
        configure: (webpackConfig) => {
            const wasmExtensionRegExp = /\.wasm$/;
            webpackConfig.resolve.extensions.push('.wasm');

            webpackConfig.module.rules.forEach((rule) => {
                (rule.oneOf || []).forEach((oneOf) => {
                    if (
                        oneOf.loader &&
                        oneOf.loader.indexOf('file-loader') >= 0
                    ) {
                        oneOf.exclude.push(wasmExtensionRegExp);
                    }
                });
            });

            const wasmLoader = {
                test: /\.wasm$/,
                exclude: [/node_modules/, /highscore/],
                loaders: ['wasm-loader']
            };

            addBeforeLoader(
                webpackConfig,
                loaderByName('file-loader'),
                wasmLoader
            );

            return webpackConfig;
        }
    }
};