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 combining rules for
more information on using this rule with block-opening-brace-newline-after
to disallow single-line rules.
The fix
option 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;}