feat: add no-unknown-custom-media

Author: pengzhanbo

src/rules/stylelint/index.d.ts

@@ -124,6 +124,7 @@ import type { UnitNoUnknownOptions } from './unit-no-unknown'
 import type { ValueKeywordCaseOptions } from './value-keyword-case'
 import type { ValueNoVendorPrefixOptions } from './value-no-vendor-prefix'
 import type { LightnessNotationOptions } from './lightness-notation'
+import type { NoUnknownCustomMediaOptions } from './no-unknown-custom-media'
 
 /**
  * Rules determine what the linter looks for and complains about.
@@ -1842,6 +1843,25 @@ export interface StyleLintRules {
    */
   'no-unknown-animations': NoUnknownAnimationsOptions
 
+  /**
+   * Disallow unknown custom media queries.
+   *
+   * ```scss
+   * \@custom-media --sm (min-width: 40rem);
+   * //             ^^^^
+   * \@media (--sm) {}
+   * //       ^^^^
+   * ```
+   *
+   * This rule considers custom media queries defined **within the same source** to be known.
+   *
+   * ### Primary Options:
+   * `true`
+   *
+   * @see [no-unknown-custom-media](https://stylelint.io/user-guide/rules/no-unknown-custom-media)
+   */
+  'no-unknown-custom-media': NoUnknownCustomMediaOptions
+
   /**
    * Disallow unknown custom properties.
    *

src/rules/stylelint/no-unknown-custom-media.d.ts

@@ -0,0 +1,5 @@
+import type { RuleConfig } from '../rule-config'
+
+export type NoUnknownCustomMediaOptions = RuleConfig<
+  true
+>