#at-rule-whitelist

Specify a whitelist of allowed at-rules.

指定一个允许使用的 at 规则的白名单。

    @keyframes name {}
/** ↑
 * At-rules like this */

#Options

array|string: ["array", "of", "unprefixed", "at-rules"]|"at-rule"

Given:

给出：

["extend", "keyframes"]

The following patterns are considered warnings:

以下模式被认为是个警告：

@import "path/to/file.css";

@media screen and (max-width: 1024px) {
  a { display: none; }
}

The following patterns are not considered warnings:

以下模式正常：

a { @extend placeholder; }

@keyframes name {
  from { top: 10px; }
  to { top: 20px; }
}

@KEYFRAMES name {
  from { top: 10px; }
  to { top: 20px; }
}

@-moz-keyframes name {
  from { top: 10px; }
  to { top: 20px; }
}