<commit_before>import rules from '../rule/';
import { isEmptyValue } from '../util';

/**
 *  Validates a number.
 *
 *  @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 number(rule, value, callback, source, options) {
  const errors = [];
  const 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);
    if (value !== undefined) {
      rules.type(rule, value, source, errors, options);
      rules.range(rule, value, source, errors, options);
    }
  }
  callback(errors);
}

export default number;
<commit_msg>transform empty string to undefined for value of type number<commit_after>import rules from '../rule/';
import { isEmptyValue } from '../util';

/**
 *  Validates a number.
 *
 *  @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 number(rule, value, callback, source, options) {
  const errors = [];
  const validate = rule.required || (!rule.required && source.hasOwnProperty(rule.field));
  if (validate) {
    if (value === '') {
      value = undefined;
    }
    if (isEmptyValue(value) && !rule.required) {
      return callback();
    }
    rules.required(rule, value, source, errors, options);
    if (value !== undefined) {
      rules.type(rule, value, source, errors, options);
      rules.range(rule, value, source, errors, options);
    }
  }
  callback(errors);
}

export default number;

{'fraction_non_alphanumeric': 0.13021868787276342, 'fraction_numerical': 0.0, 'mean_word_length': 3.4535398230088497, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '1968323', 'n_tokens_mistral': 560, 'n_tokens_neox': 559, 'n_words': 196}