javascriptx/lib/isEmpty.js

javascript 基础库扩展

'use strict';

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

var _typeof = typeof Symbol === "function" && typeof Symbol.iterator === "symbol" ? function (obj) { return typeof obj; } : function (obj) { return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj; };

// Object

// 判断对象是否为空，except为除外的属性, except为数组，支持字符串与正则匹配
var isEmpty = function isEmpty(object) {
    var except = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : [];

    if (!object) {
        return true;
    }

    var _loop = function _loop(key) {
        if (except && except.some(function (ex) {
            return typeof ex === 'string' ? ex === key : ex.test(key);
        })) {
            return 'continue';
        }
        if (object.hasOwnProperty(key)) {
            return {
                v: false
            };
        }
    };

    for (var key in object) {
        var _ret = _loop(key);

        switch (_ret) {
            case 'continue':
                continue;

            default:
                if ((typeof _ret === 'undefined' ? 'undefined' : _typeof(_ret)) === "object") return _ret.v;
        }
    }
    return true;
};

exports.default = isEmpty;