import NewUserValidator from 'ghost/validators/new-user'; export default NewUserValidator.create({ properties: ['name', 'email', 'password', 'blogTitle'], blogTitle(model) { let blogTitle = model.get('blogTitle'); if (!validator.isLength(blogTitle, 1)) { model.get('errors').add('blogTitle', 'Please enter a blog title.'); this.invalidate(); } } });