NuxtJS Theming - Component aliases with theming - https://medium.com/p/2567ef5b5b6a

aliases.config.js

const glob = require("glob");
const path = require("path");

// returns a list of all filepaths in a given directory
const readDirRecursiveSync = dir => {
	return glob.sync(`${dir}/**/*.*`);
};

const getThemeAliases = (dir, theme) => {
	const themeFilesDir = `src/themes/${theme}/${dir}`;
	return (
		readDirRecursiveSync(themeFilesDir)
			// make paths relative
			.map(componentPath => componentPath.replace(themeFilesDir, "").substr(1))
			// create alias for path
			.reduce((aliases, componentPath) => {
				aliases[`@${dir}/${componentPath}`] =
					themeFilesDir + "/" + componentPath;
				return aliases;
			}, {})
	);
};

const aliases = {
	// generate theme aliases for the src/components directory
	...getThemeAliases("components", process.env.THEME),
	// required to not break nuxt
	"@": "src",
	"@@": ".",
	// custom aliases
	"@components": "src/components"
};

for (const alias in aliases) {
	module.exports[alias] = path.resolve(__dirname, aliases[alias]);
}