nsn-util/lib/NStr.js

NSN工具辅助组件

"use strict";

function _typeof(obj) { "@babel/helpers - typeof"; if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") { _typeof = function _typeof(obj) { return typeof obj; }; } else { _typeof = function _typeof(obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; }; } return _typeof(obj); }

Object.defineProperty(exports, "__esModule", {
  value: true
});
Object.defineProperty(exports, "isDate", {
  enumerable: true,
  get: function get() {
    return _lodash.isDate;
  }
});
Object.defineProperty(exports, "isEqual", {
  enumerable: true,
  get: function get() {
    return _lodash.isEqual;
  }
});
Object.defineProperty(exports, "split", {
  enumerable: true,
  get: function get() {
    return _lodash.split;
  }
});
exports.trim = exports.isTrimEmpty = exports.isEmpty = exports.guid = exports.isUrl = exports.isBrowser = exports.isNode = exports.blankToEmpty = exports.blankToDefault = void 0;

var _lodash = require("lodash");

var _nsnConst = require("nsn-const");

var NRegex = _interopRequireWildcard(require("./NRegex"));

function _getRequireWildcardCache() { if (typeof WeakMap !== "function") return null; var cache = new WeakMap(); _getRequireWildcardCache = function _getRequireWildcardCache() { return cache; }; return cache; }

function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj; } if (obj === null || _typeof(obj) !== "object" && typeof obj !== "function") { return { default: obj }; } var cache = _getRequireWildcardCache(); if (cache && cache.has(obj)) { return cache.get(obj); } var newObj = {}; var hasPropertyDescriptor = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var key in obj) { if (Object.prototype.hasOwnProperty.call(obj, key)) { var desc = hasPropertyDescriptor ? Object.getOwnPropertyDescriptor(obj, key) : null; if (desc && (desc.get || desc.set)) { Object.defineProperty(newObj, key, desc); } else { newObj[key] = obj[key]; } } } newObj.default = obj; if (cache) { cache.set(obj, newObj); } return newObj; }

/** 值为空，取默认值 */
var blankToDefault = function blankToDefault(value, defaultValue) {
  return value || defaultValue;
};
/** 值为空，取空字符串 */


exports.blankToDefault = blankToDefault;

var blankToEmpty = function blankToEmpty(value) {
  return value || _nsnConst.NConst.EMPTY;
};
/** 判定是否node环境 */


exports.blankToEmpty = blankToEmpty;

var isNode = function isNode() {
  var flag = typeof process !== 'undefined' && process.versions != null && process.versions.node != null; // 若为 false ，返回 undefined，方便双问号 ?? 运算符

  return flag || undefined;
};
/** 判定是否浏览器环境 */


exports.isNode = isNode;

var isBrowser = function isBrowser() {
  var flag = typeof window !== 'undefined' && typeof window.document !== 'undefined' && !isNode(); // 若为 false ，返回 undefined，方便双问号 ?? 运算符

  return flag || undefined;
};
/** 判定是否url */


exports.isBrowser = isBrowser;

var isUrl = function isUrl(path) {
  return NRegex.RE_URL.test(path);
};
/** 随机值 */


exports.isUrl = isUrl;

var guid = function guid() {
  return 'xxxxxxxx'.replace(/[xy]/g, function (c) {
    // 暂时关闭 按位操作符 检查
    // eslint-disable-next-line no-bitwise
    var r = Math.random() * 16 | 0; // eslint-disable-next-line no-bitwise

    var v = c === 'x' ? r : r & 0x3 | 0x8;
    return v.toString(16);
  });
};
/** 是否空值 */


exports.guid = guid;

var isEmpty = function isEmpty(str) {
  var flag = (0, _lodash.isEmpty)(str); // 若为 false ，返回 undefined，方便双问号 ?? 运算符

  return flag || undefined;
};
/** 去掉首尾空格 */


exports.isEmpty = isEmpty;

var trim = function trim(str) {
  if (str) {
    return str.trim();
  }

  return str;
};
/** 去掉前后空格后，是否为空 */


exports.trim = trim;

var isTrimEmpty = function isTrimEmpty(str) {
  var flag = isEmpty(str);

  if (!flag) {
    flag = isEmpty(trim(str));
  }

  return flag;
};

exports.isTrimEmpty = isTrimEmpty;