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media-feature-name-no-unknown

Disallow unknown media feature names.

@media (min-width: 700px) {}
/** โ†‘
* This media feature name */

This rule considers media feature names defined in the CSS Specifications, up to and including Editor's Drafts, to be known.

This rule ignores vendor-prefixed media feature names.

Options#

true#

The following patterns are considered violations:

@media screen and (unknown) {}
@media screen and (unknown: 10px) {}
@media screen and (unknown > 10px) {}

The following patterns are not considered violations:

@media all and (monochrome) {}
@media (min-width: 700px) {}
@media (MIN-WIDTH: 700px) {}
@media (min-width: 700px) and (orientation: landscape) {}
@media (-webkit-min-device-pixel-ratio: 2) {}

Optional secondary options#

ignoreMediaFeatureNames: ["/regex/", /regex/, "string"]#

Given:

["/^my-/", "custom"]

The following patterns are not considered violations:

@media screen and (my-media-feature-name) {}
@media screen and (custom: 10px) {}
@media screen and (100px < custom < 700px) {}
@media (min-width: 700px) and (custom: 10px) {}