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Contents
# selector-list-comma-space-before
Require a single space or disallow whitespace before the commas of selector lists.
<!-- prettier-ignore -->
```css
a ,b { color: pink; }
/** ↑
* The space before this comma */
```
The [`fix` option](../../../docs/user-guide/usage/options.md#fix) can automatically fix all of the problems reported by this rule.
## Options
`string`: `"always"|"never"|"always-single-line"|"never-single-line"`
### `"always"`
There _must always_ be a single space before the commas.
The following patterns are considered violations:
<!-- prettier-ignore -->
```css
a,b { color: pink; }
```
<!-- prettier-ignore -->
```css
a, b { color: pink; }
```
The following patterns are _not_ considered violations:
<!-- prettier-ignore -->
```css
a ,b { color: pink; }
```
<!-- prettier-ignore -->
```css
a , b { color: pink; }
```
### `"never"`
There _must never_ be whitespace before the commas.
The following patterns are considered violations:
<!-- prettier-ignore -->
```css
a ,b { color: pink; }
```
<!-- prettier-ignore -->
```css
a , b { color: pink; }
```
The following patterns are _not_ considered violations:
<!-- prettier-ignore -->
```css
a,b { color: pink; }
```
<!-- prettier-ignore -->
```css
a, b { color: pink; }
```
### `"always-single-line"`
There _must always_ be a single space before the commas in single-line selector lists.
The following patterns are considered violations:
<!-- prettier-ignore -->
```css
a,b { color: pink; }
```
The following patterns are _not_ considered violations:
<!-- prettier-ignore -->
```css
a,
b { color: pink; }
```
### `"never-single-line"`
There _must never_ be a single space before the commas in single-line selector lists.
The following patterns are considered violations:
<!-- prettier-ignore -->
```css
a ,b { color: pink; }
```
The following patterns are _not_ considered violations:
<!-- prettier-ignore -->
```css
a ,
b { color: pink; }
```
Version data entries
24 entries across 24 versions & 1 rubygems