at-mixin-parentheses-space-before

Require or disallow a space before @mixin parentheses.

@mixin foo ($arg) { }
/**        ↑
 * The space before this parenthesis */

The fix option can automatically fix all of the problems reported by this rule.

Options

string: "always"|"never"

There must always be exactly one space between the mixin name and the opening parenthesis.

Note: This rule does not enforce parentheses to be present in a declaration without arguments.

The following patterns are considered warnings:

@mixin foo($arg) { }

@mixin foo  ($arg) { }

The following patterns are not considered warnings:

@mixin foo ($arg) { }

@mixin foo { }

There must never be any whitespace between the mixin name and the opening parenthesis.

The following patterns are considered warnings:

@mixin foo ($arg) { }

The following patterns are not considered warnings:

@mixin foo($arg) { }

@mixin foo { }