notes/node_modules/stylelint/lib/utils/isRangeContextMediaFeature.js

/* @flow */
"use strict"

/**
 * Check whether a media feature is a range context one
 *
 * @param {string} media feature
 * @return {boolean} If `true`, media feature is a range context one
 */
module.exports = function (mediaFeature/*: string*/)/*: boolean*/ {
  return mediaFeature.indexOf("=") !== -1 || mediaFeature.indexOf("<") !== -1 || mediaFeature.indexOf(">") !== -1
}