Method removeEmptyRules

src/CssTreeWalker.js:37–58

(rules)

    }

    removeEmptyRules(rules) {
        let emptyRules = []

        for (let rule of rules) {
            const ruleType = rule.type

            if (ruleType === RULE_TYPE && rule.selectors.length === 0) {
                emptyRules.push(rule)
            }
            if (ruleType === MEDIA_TYPE) {
                this.removeEmptyRules(rule.rules)
                if (rule.rules.length === 0) {
                    emptyRules.push(rule)
                }
            }
        }

        emptyRules.forEach(emptyRule => {
            const index = rules.indexOf(emptyRule)
            rules.splice(index, 1)
        })
    }

    toString() {
        if (this.ast) {