lepu-test-platform-web/node_modules/async-validator/es/validator/string.js

34 lines
1.1 KiB
JavaScript

import rules from '../rule/';
import { isEmptyValue } from '../util';
/**
* Performs validation for string types.
*
* @param rule The validation rule.
* @param value The value of the field on the source object.
* @param callback The callback function.
* @param source The source object being validated.
* @param options The validation options.
* @param options.messages The validation messages.
*/
function string(rule, value, callback, source, options) {
var errors = [];
var validate = rule.required || !rule.required && source.hasOwnProperty(rule.field);
if (validate) {
if (isEmptyValue(value, 'string') && !rule.required) {
return callback();
}
rules.required(rule, value, source, errors, options, 'string');
if (!isEmptyValue(value, 'string')) {
rules.type(rule, value, source, errors, options);
rules.range(rule, value, source, errors, options);
rules.pattern(rule, value, source, errors, options);
if (rule.whitespace === true) {
rules.whitespace(rule, value, source, errors, options);
}
}
}
callback(errors);
}
export default string;