Function string

_benchmarks/sample_antd.js:75193–75216

* 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

(rule, value, callback, source, options)

 */

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);
}

/**
 *  Validates a function.