block-opening-brace-newline-before

Require a newline or disallow whitespace before the opening brace of blocks.

  a
    { color: pink; }
/** ↑
 * The newline before this brace */

Refer to the FAQ for more information on using this rule with block-opening-brace-newline-after to disallow single-line rules.

The --fix option on the command line can automatically fix all of the problems reported by this rule.

Options

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

"always"

There must always be a newline before the opening brace.

The following patterns are considered violations:

a{ color: pink; }

a{ color: pink;
}

The following patterns are not considered violations:

a
{ color: pink; }

a
{
color: pink; }

a /* foo */
  {
    color: pink;
  }

"always-single-line"

There must always be a newline before the opening brace in single-line blocks.

The following patterns are considered violations:

a{ color: pink; }

The following patterns are not considered violations:

a
{ color: pink; }

a{
color: pink; }

"never-single-line"

There must never be whitespace before the opening brace in single-line blocks.

The following patterns are considered violations:

a { color: pink; }

The following patterns are not considered violations:

a{ color: pink; }

a {
color: pink; }

"always-multi-line"

There must always be a newline before the opening brace in multi-line blocks.

The following patterns are considered violations:

a{
color: pink; }

a {
color: pink; }

The following patterns are not considered violations:

a{ color: pink; }

a { color: pink; }

a
{ color: pink; }

a
{
color: pink; }

"never-multi-line"

There must never be whitespace before the opening brace in multi-line blocks.

The following patterns are considered violations:

a {
color: pink; }

The following patterns are not considered violations:

a { color: pink; }

a{
color: pink;}