#selector-pseudo-element-no-unknown

Disallow unknown pseudo-element selectors.

禁止使用未知的伪元素。

    a::before {}
/**    ↑
 * This pseudo-element selector */

This rule considers pseudo-element selectors defined in the CSS Specifications, up to and including Editor's Drafts, to be known.

该规则只考虑 CSS 规范包括草案中定义的伪元素选择器。

All vendor-prefixed pseudo-element selectors are ignored.

所有的带有浏览器引擎前缀的伪元素选择器都被忽略。

#Options

#true

The following patterns are considered warnings:

以下模式被认为是个警告：

a::pseudo {}

a::PSEUDO {}

a::element {}

The following patterns are not considered warnings:

以下模式正常：

a:before {}

a::before {}

::selection {}

input::-moz-placeholder {}

#Optional secondary options

#ignorePseudoElements: ["/regex/", "string"]

Given:

给出：

["/^my-/", "pseudo-element"]

The following patterns are not considered warnings:

以下模式正常：

a::pseudo-element {}

a::my-pseudo {}

a::my-other-pseudo {}