stylelint
Version:
Modern CSS linter
84 lines (57 loc) • 945 B
Markdown
# selector-pseudo-element-no-unknown
Disallow unknown pseudo-element selectors.
```css
a::before {}
/** ↑
* This pseudo-element selector */
```
All vendor-prefixes pseudo-element selectors are ignored.
## Options
### `true`
The following patterns are considered warnings:
```css
a::pseudo { }
```
```css
a::PSEUDO { }
```
```css
a::element { }
```
The following patterns are *not* considered warnings:
```css
a:before { }
```
```css
a::before { }
```
```css
::selection { }
```
```css
input::-moz-placeholder { }
```
## Optional options
### `ignorePseudoElements: ["array", "of", "pseudo-elements"]`
Allow unknown pseudo-element selectors.
Given:
```js
["pseudo"]
```
The following patterns are considered warnings:
```css
a::element { }
```
The following patterns are *not* considered warnings:
```css
a:before { }
```
```css
a::before { }
```
```css
a::pseudo { }
```
```css
input::-moz-placeholder { }
```