Disallow scheme-relative urls.


a { background-image: url('//www.google.com/file.jpg'); }
/**                        ↑ 
 *  This scheme-relative url */

A scheme-relative url is a url that begins with // followed by a host.

相对协议的链接 是一个以 // 开头后面紧随主机名的 url。

This rule ignores url arguments that are variables ($sass, @less, --custom-property).

该规则忽略 url 参数中的变量 ($sass@less--custom-property)。



The following patterns are considered warnings:


a { 
  background: url("//www.google.com/file.jpg"); 

The following patterns are not considered warnings:


a { 
  background: url("../file.jpg"); 
a { 
  background: url("http://www.google.com/file.jpg"); 
a { 
  background: url("/path/to/file.jpg");