tbg-ecomm-nextjs/next.config.js

const withPlugins = require("next-compose-plugins");
const withImages = require("next-images");
const withSass = require("@zeit/next-sass");
const withCss = require("@zeit/next-css");
const withLess = require('@zeit/next-less');
const webpack = require("webpack");
const path = require("path");

module.exports = withPlugins([[withSass], [withImages], [withCss], [withLess]], {
	webpack(config, { dev }) {
		if (dev) {
			config.devtool = "cheap-module-source-map";
		}
		config.resolve.modules.push(path.resolve("./"));
		return config;
	},
});