selector-pseudo-element-no-unknown
Disallow unknown pseudo-element selectors.
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.
This rule ignores vendor-prefixed pseudo-element selectors.
Options
true
The following patterns are considered violations:
a::pseudo {}a::PSEUDO {}a::element {}The following patterns are not considered violations:
a:before {}a::before {}::selection {}input::-moz-placeholder {}Optional secondary options
ignorePseudoElements: ["/regex/", "string"]
Given:
["/^my-/", "pseudo-element"]The following patterns are not considered violations:
a::pseudo-element {}a::my-pseudo {}a::my-other-pseudo {}