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rule-empty-line-before

要求或禁止规则前有空行。

¥Require or disallow an empty line before rules.

a {}
      /* ← */
b {}  /* ↑ */
/**      ↑

 * This line */

此规则忽略源中第一个节点的规则。

¥This rule ignores rules that are the very first node in a source.

fix 选项 可以自动修复此规则报告的所有问题。

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

选项​

¥Options

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

"always"​

规则之前必须始终有一个空行。

¥There must always be an empty line before rules.

以下模式被视为问题：

¥The following patterns are considered problems:

a {} b {}
a {}
b {}

以下模式不被视为问题：

¥The following patterns are not considered problems:

a {}

b {}

"never"​

规则之前绝不能有空行。

¥There must never be an empty line before rules.

以下模式被视为问题：

¥The following patterns are considered problems:

a {}

b {}

以下模式不被视为问题：

¥The following patterns are not considered problems:

a {} b {}
a {}
b {}

"always-multi-line"​

多行规则之前必须始终有一个空行。

¥There must always be an empty line before multi-line rules.

以下模式被视为问题：

¥The following patterns are considered problems:

a {
  color: red;
}
b {
  color: blue;
}

以下模式不被视为问题：

¥The following patterns are not considered problems:

a {
  color: red;
}

b {
  color: blue;
}

"never-multi-line"​

多行规则之前绝不能有空行。

¥There must never be an empty line before multi-line rules.

以下模式被视为问题：

¥The following patterns are considered problems:

a {
  color: red;
}

b {
  color: blue;
}

以下模式不被视为问题：

¥The following patterns are not considered problems:

a {
  color: red;
}
b {
  color: blue;
}

可选的辅助选项​

¥Optional secondary options

except: ["after-rule", "after-single-line-comment", "inside-block-and-after-rule", "inside-block", "first-nested"]​

"after-rule"​

反转遵循另一个规则的规则的主要选项。

¥Reverse the primary option for rules that follow another rule.

例如，对于 "always"：

¥For example, with "always":

以下模式被视为问题：

¥The following patterns are considered problems:

a {}

b {}

以下模式不被视为问题：

¥The following patterns are not considered problems:

a {}
b {}

"after-single-line-comment"​

反转单行注释后面的规则的主要选项。

¥Reverse the primary option for rules that follow a single-line comment.

例如，对于 "always"：

¥For example, with "always":

以下模式被视为问题：

¥The following patterns are considered problems:

/* comment */

a {}

以下模式不被视为问题：

¥The following patterns are not considered problems:

/* comment */
a {}

"inside-block-and-after-rule"​

反转块内规则的主要选项并遵循另一个规则。

¥Reverse the primary option for rules that are inside a block and follow another rule.

例如，对于 "always"：

¥For example, with "always":

以下模式被视为问题：

¥The following patterns are considered problems:

@media {

  a {}

  b {}
}

以下模式不被视为问题：

¥The following patterns are not considered problems:

@media {

  a {}
  b {}
}

"inside-block"​

反转块内规则的主要选项。

¥Reverse the primary option for rules that are inside a block.

例如，对于 "always"：

¥For example, with "always":

以下模式被视为问题：

¥The following patterns are considered problems:

a {
  color: red;

  & b {
    color: blue;
  }
}

以下模式不被视为问题：

¥The following patterns are not considered problems:

a {
  color: red;
  & b {
    color: blue;
  }
}

"first-nested"​

反转嵌套规则及其父节点的第一个子节点的主要选项。

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

例如，对于 "always"：

¥For example, with "always":

以下模式被视为问题：

¥The following patterns are considered problems:

@media {

  a {}

  b {}
}

以下模式不被视为问题：

¥The following patterns are not considered problems:

@media {
  a {}

  b {}
}

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

"after-comment"​

忽略注释后面的规则。

¥Ignore rules that follow a comment.

例如，对于 "always"：

¥For example, with "always":

以下模式不被视为问题：

¥The following patterns are not considered problems:

/* comment */
a {}

"first-nested"​

忽略嵌套规则及其父节点的第一个子节点。

¥Ignore rules that are nested and the first child of their parent node.

例如，对于 "always"：

¥For example, with "always":

以下模式不被视为问题：

¥The following patterns are not considered problems:

@media {
  a {}

  b {}
}

"inside-block"​

忽略块内的规则。

¥Ignore rules that are inside a block.

例如，对于 "always"：

¥For example, with "always":

以下模式不被视为问题：

¥The following patterns are not considered problems:

@media {
  a {}
}
@media {
  a {}
  b {}
}