fes.js/packages/preset-built-in/src/plugins/features/outputPath.ts

export default (api) => {
    api.describe({
        key: 'outputPath',
        config: {
            default: 'dist',
            schema(joi) {
                return joi.string().not('src', 'public', 'pages', 'mock', 'config').allow('');
            },
        },
    });
};