README.md

custom-property-empty-line-before

Require or disallow an empty line before custom properties.

a {
  top: 10px;
                          /* ← */
  --foo: pink;            /* ↑ */
}                         /* ↑ */
/**                          ↑
 *                   This line */

The fix option can automatically fix all of the problems reported by this rule. We recommend to enable indentation rule for better autofixing results with this rule.

Options

string: "always"|"never"

"always"

The following patterns are considered violations:

a {
  top: 10px;
  --foo: pink;
  --bar: red;
}

The following patterns are not considered violations:

a {
  top: 10px;

  --foo: pink;

  --bar: red;
}

"never"

The following patterns are considered violations:

a {
  top: 10px;

  --foo: pink;

  --bar: red;
}

a {

  --foo: pink;
  --bar: red;
}

The following patterns are not considered violations:

a {
  top: 10px;
  --foo: pink;
  --bar: red;
}

a {
  --foo: pink;
  --bar: red;
}

Optional secondary options

except: ["after-comment", "after-custom-property", "first-nested"]

"after-comment"

Reverse the primary option for custom properties that follow a comment.

Shared-line comments do not trigger this option.

For example, with "always":

The following patterns are considered violations:

a {

  --foo: pink;
  /* comment */

  --bar: red;
}

a {

  --foo: pink; /* comment */
  --bar: red;
}

The following patterns are not considered violations:

a {

  --foo: pink;
  /* comment */
  --bar: red;
}

a {

  --foo: pink; /* comment */

  --bar: red;
}

"after-custom-property"

Reverse the primary option for custom properties that follow another custom property.

Shared-line comments do not affect this option.

For example, with "always":

The following patterns are considered violations:

a {

  --foo: pink;

  --bar: red;
}

a {

  --foo: pink; /* comment */

  --bar: red;
}

The following patterns are not considered violations:

a {

  --foo: pink;
  --bar: red;
}

a {

  --foo: pink; /* comment */
  --bar: red;
}

"first-nested"

Reverse the primary option for custom properties that are nested and the first child of their parent node.

For example, with "always":

The following patterns are considered violations:

a {

  --foo: pink;

  --bar: red;
}

The following patterns are not considered violations:

a {
  --foo: pink;

  --bar: red;
}

ignore: ["after-comment", "first-nested", "inside-single-line-block"]

"after-comment"

Ignore custom properties that follow a comment.

For example, with "always":

The following patterns are not considered violations:

a {
  /* comment */
  --foo: pink;
}

"first-nested"

Ignore custom properties that are nested and the first child of their parent node.

For example, with "always":

The following patterns are not considered violations:

a {
  --foo: pink;

  --bar: red;
}

"inside-single-line-block"

Ignore custom properties that are inside single-line blocks.

For example, with "always":

The following patterns are not considered violations:

a { --foo: pink; --bar: red; }