function-comma-space-before

Require a single space or disallow whitespace before the commas of functions.

a { transform: translate(1 ,1) }
/**                        ↑
 * The space before this comma */

The --fix option on the command line 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:

a { transform: translate(1,1) }
a { transform: translate(1, 1) }

The following patterns are not considered violations:

a { transform: translate(1 ,1) }
a { transform: translate(1 , 1) }

"never"

There must never be whitespace before the commas.

The following patterns are considered violations:

a { transform: translate(1 ,1) }
a { transform: translate(1 , 1) }

The following patterns are not considered violations:

a { transform: translate(1,1) }
a { transform: translate(1, 1) }

"always-single-line"

There must always be a single space before the commas in single-line functions.

The following patterns are considered violations:

a { transform: translate(1,1) }
a { transform: translate(1, 1) }

The following patterns are not considered violations:

a { transform: translate(1 ,1) }
a { transform: translate(1 , 1) }
a {
  transform: translate(1,
    1)
}

"never-single-line"

There must never be whitespace before the commas in single-line functions.

The following patterns are considered violations:

a { transform: translate(1 ,1) }
a { transform: translate(1 , 1) }

The following patterns are not considered violations:

a { transform: translate(1,1) }
a { transform: translate(1, 1) }
a {
  transform: translate(1 ,
    1)
}