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/*
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
/**
* @api
*/
define([
'underscore',
'./rules'
], function (_, rulesList) {
'use strict';
/**
* Validates provided value be the specified rule.
*
* @param {String} id - Rule identifier.
* @param {*} value - Value to be checked.
* @param {*} [params]
* @param {*} additionalParams - additional validation params set by method caller
* @returns {Object}
*/
function validate(id, value, params, additionalParams) {
var rule,
message,
valid,
result = {
rule: id,
passed: true,
message: ''
};
if (_.isObject(params)) {
message = params.message || '';
}
if (!rulesList[id]) {
return result;
}
rule = rulesList[id];
message = message || rule.message;
valid = rule.handler(value, params, additionalParams);
if (!valid) {
params = Array.isArray(params) ?
params :
[params];
if (typeof message === 'function') {
message = message.call(rule);
}
message = params.reduce(function (msg, param, idx) {
return msg.replace(new RegExp('\\{' + idx + '\\}', 'g'), param);
}, message);
result.passed = false;
result.message = message;
}
return result;
}
/**
* Validates provided value by a specified set of rules.
*
* @param {(String|Object)} rules - One or many validation rules.
* @param {*} value - Value to be checked.
* @param {*} additionalParams - additional validation params set by method caller
* @returns {Object}
*/
function validator(rules, value, additionalParams) {
var result;
if (typeof rules === 'object') {
result = {
passed: true
};
_.every(rules, function (ruleParams, id) {
if (ruleParams.validate || ruleParams !== false || additionalParams) {
result = validate(id, value, ruleParams, additionalParams);
return result.passed;
}
return true;
});
return result;
}
return validate.apply(null, arguments);
}
/**
* Adds new validation rule.
*
* @param {String} id - Rule identifier.
* @param {Function} handler - Validation function.
* @param {String} message - Error message.
*/
validator.addRule = function (id, handler, message) {
rulesList[id] = {
handler: handler,
message: message
};
};
/**
* Returns rule object found by provided identifier.
*
* @param {String} id - Rule identifier.
* @returns {Object}
*/
validator.getRule = function (id) {
return rulesList[id];
};
return validator;
});