import ValidationError from '../error/validation_error'; import validateString from './validate_string'; export default function(options) { const value = options.value; const key = options.key; const errors = validateString(options); if (errors.length) return errors; if (value.indexOf('{fontstack}') === -1) { errors.push(new ValidationError(key, value, '"glyphs" url must include a "{fontstack}" token')); } if (value.indexOf('{range}') === -1) { errors.push(new ValidationError(key, value, '"glyphs" url must include a "{range}" token')); } return errors; }