ducha-qianduan/node_modules/async-validator/lib/rule/range.js

'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});

var _util = require('../util');

var util = _interopRequireWildcard(_util);

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } else { var newObj = {}; if (obj != null) { for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) newObj[key] = obj[key]; } } newObj['default'] = obj; return newObj; } }

/**
 *  Rule for validating minimum and maximum allowed values.
 *
 *  @param rule The validation rule.
 *  @param value The value of the field on the source object.
 *  @param source The source object being validated.
 *  @param errors An array of errors that this rule may add
 *  validation errors to.
 *  @param options The validation options.
 *  @param options.messages The validation messages.
 */
function range(rule, value, source, errors, options) {
  var len = typeof rule.len === 'number';
  var min = typeof rule.min === 'number';
  var max = typeof rule.max === 'number';
  // 正则匹配码点范围从U+010000一直到U+10FFFF的文字（补充平面Supplementary Plane）
  var spRegexp = /[\uD800-\uDBFF][\uDC00-\uDFFF]/g;
  var val = value;
  var key = null;
  var num = typeof value === 'number';
  var str = typeof value === 'string';
  var arr = Array.isArray(value);
  if (num) {
    key = 'number';
  } else if (str) {
    key = 'string';
  } else if (arr) {
    key = 'array';
  }
  // if the value is not of a supported type for range validation
  // the validation rule rule should use the
  // type property to also test for a particular type
  if (!key) {
    return false;
  }
  if (arr) {
    val = value.length;
  }
  if (str) {
    // 处理码点大于U+010000的文字length属性不准确的bug，如"𠮷𠮷𠮷".lenght !== 3
    val = value.replace(spRegexp, '_').length;
  }
  if (len) {
    if (val !== rule.len) {
      errors.push(util.format(options.messages[key].len, rule.fullField, rule.len));
    }
  } else if (min && !max && val < rule.min) {
    errors.push(util.format(options.messages[key].min, rule.fullField, rule.min));
  } else if (max && !min && val > rule.max) {
    errors.push(util.format(options.messages[key].max, rule.fullField, rule.max));
  } else if (min && max && (val < rule.min || val > rule.max)) {
    errors.push(util.format(options.messages[key].range, rule.fullField, rule.min, rule.max));
  }
}

exports['default'] = range;
module.exports = exports['default'];