3 const atRuleParamIndex = require("../utils/atRuleParamIndex");
4 const report = require("../utils/report");
5 const styleSearch = require("style-search");
7 module.exports = function(opts) {
8 opts.root.walkAtRules(/^media$/i, atRule => {
9 const params = atRule.params;
10 styleSearch({ source: params, target: "," }, match => {
11 checkComma(params, match.startIndex, atRule);
15 function checkComma(source, index, node) {
16 opts.locationChecker({
23 index: index + atRuleParamIndex(node),
25 ruleName: opts.checkedRuleName