Specify a requirelist of properties for an at-rule.
@font-face { font-display: swap; font-family: 'foo'; } /** ↑ ↑ ↑ * At-rule and required property names */
object
: { "at-rule-name": ["array", "of", "properties"] }
Given:
{ "font-face": ["font-display", "font-family", "font-style"] }
The following patterns are considered violations:
@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'); }
The following patterns are not considered violations:
@font-face { font-display: swap; font-family: 'foo'; font-style: normal; src: url('./fonts/foo.woff2') format('woff2'); }