t-comm/lib/string/limit-length.js

专业、稳定、纯粹的工具库

'use strict';

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

/**
 * 检查字符串长度
 *
 * @export
 * @param {string} str 字符串
 * @param {number} [num = 30] 长度
 * @returns {boolean}
 *
 * @example
 *
 * checkStringLength('123', 2) // true
 * checkStringLength('123', 3) // true
 * checkStringLength('123', 4) // false
 *
 *
 */
function checkStringLength(str, num) {
  if (str === void 0) {
    str = '';
  }
  if (num === void 0) {
    num = 30;
  }
  var len = 0;
  var character = "".concat(str);
  for (var i = 0; i < character.length; i++) {
    if (character.charAt(i).match(/[\u4e00-\u9fa5]/g) != null) len += 2;else len += 1;
  }
  if (len > num) return false;
  return true;
}

exports.checkStringLength = checkStringLength;