value-list-comma-newline-before

Require a newline or disallow whitespace before the commas of value lists.

  a { background-size: 0
    , 0; }
/** ↑
 * The newline before this comma */

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

Options

string: "always"|"always-multi-line"|"never-multi-line"

"always"

There must always be a newline before the commas.

The following patterns are considered problems:

a { background-size: 0,0; }

a { background-size: 0,
      0; }

The following patterns are not considered problems:

a { background-size: 0
      , 0; }

"always-multi-line"

There must always be a newline before the commas in multi-line value lists.

The following patterns are considered problems:

a { background-size: 0,
      0; }

The following patterns are not considered problems:

a { background-size: 0, 0; }

a { background-size: 0,0; }

a { background-size: 0
      , 0; }

"never-multi-line"

There must never be whitespace before the commas in multi-line value lists.

The following patterns are considered problems:

a { background-size: 0
      , 0; }

The following patterns are not considered problems:

a { background-size: 0,0; }

a { background-size: 0, 0; }

a { background-size: 0,
      0; }