@wufengteam/wform/lib/utils/tool.js

@wufengteam/wform

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.isJSONString = void 0;
exports.isNumer = isNumer;
exports.isPlainObject = isPlainObject;
exports.isString = isString;
exports.uniqueByProperty = uniqueByProperty;
function _typeof(o) { "@babel/helpers - typeof"; return _typeof = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (o) { return typeof o; } : function (o) { return o && "function" == typeof Symbol && o.constructor === Symbol && o !== Symbol.prototype ? "symbol" : typeof o; }, _typeof(o); }
/* eslint-disable no-underscore-dangle */
var _toString = Object.prototype.toString;
/**
 * 判断是否是一个普通对象
 * @param obj 任意值
 * @returns boolean
 */
function isPlainObject(obj) {
  return _toString.call(obj) === '[object Object]';
}
/**
 * 判断是否json字符串
 * @param str 任意值
 * @returns boolean
 */
var isJSONString = exports.isJSONString = function isJSONString(str) {
  if (typeof str === 'string') {
    try {
      var obj = JSON.parse(str);
      if (_typeof(obj) === 'object' && obj) {
        return true;
      }
      return false;
    } catch (e) {
      return false;
    }
  }
  return false;
};
function isString(str) {
  return _toString.call(str) === '[object String]';
}
function isNumer(value) {
  return /^-?\d+(\.\d+)?([eE][-+]?\d+)?$/.test(value);
}
function uniqueByProperty(arr, prop) {
  return arr.filter(function (obj, index, self) {
    return index === self.findIndex(function (t) {
      return t[prop] === obj[prop];
    });
  });
}