export default {
	// 获取单一的一个参数
	getSingleParam: function getSingleParam(name) {
		if (!name) {
			return null;
		}
		var getType = Object.prototype.toString;
		if (getType.call(name) !== '[object String]') {
			throw name + ' is not defined';
		}
		var reg = new RegExp('[?&]' + name + '=([^&?#]*)', 'ig');
		return location.href.match(reg) ? location.href.match(reg)[0].replace(reg, function(res, $1) {
			return decodeURIComponent($1);
		}) : null;
	},
	// 验证类型
	typeTesters: {

		// Follow https://www.w3.org/TR/html5/infrastructure.html#floating-point-numbers
		number: /^-?(\d*\.)?\d+(e[-+]?\d+)?$/i,

		integer: /^-?\d+$/,

		digits: /^\d+$/,

		alphanum: /^\w+$/i,

		url: new RegExp("^" +
			// protocol identifier
			"(?:(?:https?|ftp):)?//" + // ** mod: make scheme optional
			// user:pass authentication
			"(?:\\S+(?::\\S*)?@)?" + "(?:" +
			// IP address exclusion
			// private & local networks
			// "(?!(?:10|127)(?:\\.\\d{1,3}){3})" +   // ** mod: allow local networks
			// "(?!(?:169\\.254|192\\.168)(?:\\.\\d{1,3}){2})" +  // ** mod: allow local networks
			// "(?!172\\.(?:1[6-9]|2\\d|3[0-1])(?:\\.\\d{1,3}){2})" +  // ** mod: allow local networks
			// IP address dotted notation octets
			// excludes loopback network 0.0.0.0
			// excludes reserved space >= 224.0.0.0
			// excludes network & broacast addresses
			// (first & last IP address of each class)
			"(?:[1-9]\\d?|1\\d\\d|2[01]\\d|22[0-3])" + "(?:\\.(?:1?\\d{1,2}|2[0-4]\\d|25[0-5])){2}" +
			"(?:\\.(?:[1-9]\\d?|1\\d\\d|2[0-4]\\d|25[0-4]))" + "|" +
			// host name
			'(?:(?:[a-z\\u00a1-\\uffff0-9]-*)*[a-z\\u00a1-\\uffff0-9]+)' +
			// domain name
			'(?:\\.(?:[a-z\\u00a1-\\uffff0-9]-*)*[a-z\\u00a1-\\uffff0-9]+)*' +
			// TLD identifier
			'(?:\\.(?:[a-z\\u00a1-\\uffff]{2,}))' + ")" +
			// port number
			"(?::\\d{2,5})?" +
			// resource path
			"(?:/\\S*)?" + "$", 'i')
	},
	sendError(errorMsg, error, tag) {
		// 记录错误信息
		const ua = navigator.userAgent;
		errorMsg === undefined && (errorMsg = '');
		let image = new Image();
		let src = ``;
		if (error) {
			src += `&error=${JSON.stringify(error)}`;
		}
		if (tag) {
			src += `&traceid=${tag}`;
		}
		image.src = src;
	},
	lazyScript(url) {
		var _hmt = _hmt || [];
		(function() {
			var hm = document.createElement("script");
			hm.src = url;
			var s = document.getElementsByTagName("script")[0];
			s.parentNode.insertBefore(hm, s);
		})();
	},
	generateUUID() { // uuid
		var d = new Date().getTime();
		var uuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
			var r = (d + Math.random() * 16) % 16 | 0;
			d = Math.floor(d / 16);
			return (c == 'x' ? r : (r & 0x3 | 0x8)).toString(16);
		});
		return uuid;
	},
	isEmptyObject(object) {
		if(object===undefined){
			console.log('参数不存在');
			return false;
		}
		if (Object.keys(object).length === 0) {
			return true // 如果为空,返回false
		}
		return false // 如果不为空，则会执行到这一步，返回true
	},
	urlEncode(param, key, encode) {
		if (param === null) return '';
		var paramStr = '';
		var t = typeof(param);
		if (t == 'string' || t == 'number' || t == 'boolean') {
			paramStr += '&' + key + '=' + ((encode == null || encode) ? encodeURIComponent(param) : param);
		} else {
			for (var i in param) {
				var k = key == null ? i : key + (param instanceof Array ? '[' + i + ']' : '.' + i);
				paramStr +=this.urlEncode(param[i], k, encode);
			}
		}
		return paramStr;
	}
}