analyze-css/rules/expressions.js

CSS selectors complexity and performance analyzer

"use strict";

var format = require("util").format;

/**
 * @param { import("../lib/css-analyzer") } analyzer
 */
function rule(analyzer) {
  var re = /^expression/i;

  analyzer.setMetric("expressions");

  analyzer.on("declaration", function (rule, property, value) {
    if (re.test(value)) {
      analyzer.incrMetric("expressions");
      analyzer.addOffender(
        "expressions",
        format("%s {%s: %s}", rule.selectors.join(", "), property, value),
      );
    }
  });
}

rule.description = "Reports CSS expressions";
module.exports = rule;