at-rule-property-required-list

为 at-rule 指定所需属性（或描述符）的列表。

¥Specify a list of required properties (or descriptors) for an at-rule.

    @font-face { font-display: swap; font-family: 'foo'; }
/**  ↑           ↑                   ↑

 *  At-rule and required descriptor names */

message 次要选项 可以接受该规则的参数。

¥The message secondary option can accept the arguments of this rule.

选项

¥Options

object：{ "at-rule-name": ["array", "of", "properties or descriptors"]|"property or descriptor" }

鉴于：

¥Given:

{
  "font-face": ["font-display", "font-family", "font-style"]
}

以下模式被视为问题：

¥The following patterns are considered problems:

@font-face {
    font-family: 'foo';
    src: url('./fonts/foo.woff2') format('woff2');
}

@font-face {
    font-family: 'foo';
    font-style: normal;
    src: url('./fonts/foo.woff2') format('woff2');
}

以下模式不被视为问题：

¥The following patterns are not considered problems:

@font-face {
    font-display: swap;
    font-family: 'foo';
    font-style: normal;
    src: url('./fonts/foo.woff2') format('woff2');
}