'use strict'; var debug = require('debug')('base:cli'); var utils = require('./utils'); module.exports = function(app) { return function(val, key, config, schema) { debug('command > %s: "%j"', key, val); if (typeof val === 'undefined') { schema.omit(key); return; } if (utils.typeOf(val) === 'object') { return utils.stringify(val); } if (typeof val === 'string') { return val; } schema.omit(key); return; }; };