mapbox-gl
Version:
A WebGL interactive maps library
19 lines (13 loc) • 503 B
JavaScript
// @flow
import getType from '../util/get_type.js';
import ValidationError from '../error/validation_error.js';
import type {ValidationOptions} from './validate.js';
export default function validateString(options: $Shape<ValidationOptions>): Array<ValidationError> {
const value = options.value;
const key = options.key;
const type = getType(value);
if (type !== 'string') {
return [new ValidationError(key, value, `string expected, ${type} found`)];
}
return [];
}