Function clearEmptyRules

src/utils/css-text/format-css.ts:60–74

(rules: Array<ParsedAtRule | ParsedStyleRule>)

}

function clearEmptyRules(rules: Array<ParsedAtRule | ParsedStyleRule>) {
    for (let i = rules.length - 1; i >= 0; i--) {
        const rule = rules[i];
        if (isParsedStyleRule(rule)) {
            if (rule.declarations.length === 0) {
                rules.splice(i, 1);
            }
        } else {
            clearEmptyRules(rule.rules);
            if (rule.rules.length === 0) {
                rules.splice(i, 1);
            }
        }
    }
}