util.js
1.53 KB
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function isValidUrl(url) {
return /(ht|f)tp(s?):\/\/([^ \\/]*\.)+[^ \\/]*(:[0-9]+)?\/?/.test(url);
}
/**
* 深度对比两个对象是否一致
* from: https://github.com/epoberezkin/fast-deep-equal
* @param {Object} a 对象a
* @param {Object} b 对象b
* @return {Boolean} 是否相同
*/
/* eslint-disable */
function equal(a, b) {
if (a === b) return true;
if (a && b && typeof a == 'object' && typeof b == 'object') {
var arrA = Array.isArray(a)
, arrB = Array.isArray(b)
, i
, length
, key;
if (arrA && arrB) {
length = a.length;
if (length != b.length) return false;
for (i = length; i-- !== 0;)
if (!equal(a[i], b[i])) return false;
return true;
}
if (arrA != arrB) return false;
var dateA = a instanceof Date
, dateB = b instanceof Date;
if (dateA != dateB) return false;
if (dateA && dateB) return a.getTime() == b.getTime();
var regexpA = a instanceof RegExp
, regexpB = b instanceof RegExp;
if (regexpA != regexpB) return false;
if (regexpA && regexpB) return a.toString() == b.toString();
var keys = Object.keys(a);
length = keys.length;
if (length !== Object.keys(b).length)
return false;
for (i = length; i-- !== 0;)
if (!Object.prototype.hasOwnProperty.call(b, keys[i])) return false;
for (i = length; i-- !== 0;) {
key = keys[i];
if (!equal(a[key], b[key])) return false;
}
return true;
}
return a!==a && b!==b;
}
module.exports = {
isValidUrl,
equal
};