knk-react/es/common/tool.js

react components based on react

import _typeof from "@babel/runtime/helpers/esm/typeof";
// 日志方法
export var log = window.console;
/**
 * 序列化化数据
 * @param  {Object} data 数据对象
 * @return {String}      URL用数据
 */

export function serialize(data) {
  var str = '';
  Object.keys(data).forEach(function (key) {
    str += "".concat(key, "=").concat(encodeURIComponent(data[key]), "&");
  });
  str = str.replace(/&$/, '');
  return str;
}
/**
 * 查询是否为空对象
 * @param  {Object}  obj 查询对象
 * @return {Boolean}     查询结果
 */

export function isObjEmpty(obj) {
  // Speed up calls to hasOwnProperty
  var hasOwnProperty = Object.prototype.hasOwnProperty; // null and undefined are "empty"

  if (obj == null) return true; // Assume if it has a length property with a non-zero value
  // that that property is correct.

  if (obj.length > 0) return false;
  if (obj.length === 0) return true; // If it isn't an object at this point
  // it is empty, but it can't be anything *but* empty
  // Is it empty?  Depends on your application.

  if (_typeof(obj) !== 'object') return true; // Otherwise, does it have any properties of its own?
  // Note that this doesn't handle
  // toString and valueOf enumeration bugs in IE < 9

  var result = true;
  Object.keys(obj).forEach(function (key) {
    if (hasOwnProperty.call(obj, key)) {
      result = false;
    }
  });
  return result;
}
/**
 * 获取标准分页数据
 * @param  {Object} data 源数据
 * @return {Object}      标准分页数据
 */

export function getPageData(data) {
  return {
    current: data.page,
    total: data.total,
    pageSize: data.pageSize,
    showSizeChanger: true,
    showTotal: function showTotal(total) {
      return "\u5171\u6709 ".concat(total, " \u6761\u8BB0\u5F55");
    },
    pageSizeOptions: data.pageSizeOptions ? data.pageSizeOptions : ['10', '50', '100']
  };
}
/**
 * 通过枚举获取数组
 * @param  {Object} enumObj 枚举对象
 * @return {Array}          数组
 */

export function getEnumsArray(enumObj) {
  return Object.keys(enumObj).map(function (key) {
    return {
      text: enumObj[key],
      value: key
    };
  });
}
/**
 * 过滤空数据
 */

export function filterEmptyData(data) {
  if (!data) return data;
  var filterData = data;
  Object.keys(filterData).forEach(function (inx) {
    if (filterData[inx] === 'undefined' || filterData[inx] === undefined || filterData[inx] === null || filterData[inx] === '' || filterData[inx].length === 0) delete filterData[inx];
  });
  return filterData;
}
/**
 * 去除字符串空格
 */

export function trim(str, position) {
  var type = Object.prototype.toString.call(str).slice(8, -1);
  if (type !== 'String') return str;
  var result = '';

  switch (position) {
    case 'before':
      // 前
      result = str.replace(/(^\s*)/g, '');
      break;

    case 'after':
      // 后
      result = str.replace(/(\s*$)/g, '');
      break;

    case 'both':
      // 前后
      result = str.replace(/(^\s*)|(\s*$)/g, '');
      break;

    default:
      // 所有
      result = str.replace(/\s*/g, '');
  }

  return result;
}