Once()

in index.js [13:36]

• 22 lines of code
• 4 McCabe index (conditional complexity)

        Once(root) {
            root.walkRules(function (rule) {
                if (rule.selector.indexOf(':hover') !== -1) {
                    var clone = rule.clone();
                    var hoverSelectors = [];

                    var selectors = rule.selectors.filter(function (selector) {
                        if (selector.indexOf(':hover') !== -1) {
                            hoverSelectors.push(selector);
                            return false;
                        }
                        return true;
                    });

                    if (selectors.length > 0) {
                        clone.selectors = hoverSelectors;
                        rule.selectors = selectors;
                        rule.parent.prepend(wrapInMediaQuery(clone));
                    } else {
                        rule.replaceWith(wrapInMediaQuery(clone));
                    }
                }
            });
        }