react-redux-formal/lib/utils/validators/pattern.js

Form state management and building library for react and redux

'use strict';

Object.defineProperty(exports, "__esModule", {
	value: true
});
exports.default = pattern;
/**
 * Create a new pattern validator
 *
 * @param {RegExp} regex
 * @param {String} [message] - The message to use if validator fails. Defaults to "Value does not match pattern"
 *
 * @return {Function}
 */
function pattern(regex) {
	var message = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 'Value does not match pattern';

	if (typeof regex === 'string') regex = new RegExp(regex);
	if (!(regex instanceof RegExp)) {
		throw new Error(regex + ' is not a valid RegExp');
	}

	/**
  * Check if value matches given pattern
  *
  * @param {String} value - The value to validate
  *
  * @return {Promise} - Gets rejected if validator fails, resolved otherwise
  */
	return function patternValidator(value) {
		return new Promise(function (resolve, reject) {
			if (typeof value !== 'string') return reject('Given value is not a string');
			return regex.test(value) ? resolve(value) : reject(message);
		});
	};
}