function-no-unknown

禁止未知功能。

¥Disallow unknown functions.

a { transform: unknown(1); }
/**            ↑

 * Functions like this */

该规则认为 CSS 规范中定义的函数是已知的。

¥This rule considers functions defined in the CSS Specifications to be known.

此规则忽略双虚线自定义函数，例如 --custom-function()。

¥This rule ignores double-dashed custom functions, e.g. --custom-function().

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.

此规则与以下内容重叠：

¥This rule overlaps with:

我们建议对 CSS 使用这些规则，对类似 CSS 的语言（例如 SCSS 和 Less）使用此规则。

¥We recommend using these rules for CSS and this rule for CSS-like languages, such as SCSS and Less.

选项

¥Options

{
  "function-no-unknown": true
}

以下模式被视为问题：

¥The following patterns are considered problems:

a { transform: unknown(1); }

以下模式不被视为问题：

¥The following patterns are not considered problems:

a { transform: scale(1); }

a { transform: --custom-function(1); }

¥Optional secondary options

{ "ignoreFunctions": ["array", "of", "functions", "/regex/"] }

忽略指定的函数。

¥Ignore the specified functions.

鉴于：

¥Given:

{
  "function-no-unknown": [true, { "ignoreFunctions": ["theme", "/^foo-/"] }]
}

以下模式不被视为问题：

¥The following patterns are not considered problems:

a { transform: theme(1); }

a { transform: foo-func(1); }