#selector-no-empty

Disallow empty selectors.

禁止出现空选择器。

  a, , b {}
/** ↑ 
 * An empty selector */

Empty selectors (by themselves or within a selector list) invalidate a rule. This rule splits the selector list on ,. Any part that has zero length or containing only whitespace is deemed empty.

空选择器(它们本身或在选择器列表内)会使一个规则失效。该规则使用 , 把选择器列表分开。任何长度为 0 的 或只包含空白的部分被认为是空的。

#Options

#true

The following patterns are considered warnings:

以下模式被认为是个警告：

{}

, .a, .b {}

.a, .b,  {}

.a, , .b {}

The following patterns are not considered warnings:

以下模式正常：

a {}

a, b {}

a.foo {}