'use strict';

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.enquireScreen = enquireScreen;
exports.unenquireScreen = unenquireScreen;
var enquireJs = void 0;
if (typeof window !== 'undefined') {
  var matchMediaPolyfill = function matchMediaPolyfill(mediaQuery) {
    return {
      media: mediaQuery,
      matches: false,
      addListener: function addListener() {},
      removeListener: function removeListener() {}
    };
  };
  window.matchMedia = window.matchMedia || matchMediaPolyfill;
  enquireJs = require('enquire.js');
}

var mobileQuery = 'only screen and (max-width: 767.99px)';

function enquireScreen(cb) {
  var query = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : mobileQuery;

  if (!enquireJs) {
    return;
  }

  var handler = {
    match: function match() {
      cb && cb(true);
    },
    unmatch: function unmatch() {
      cb && cb();
    }
  };
  enquireJs.register(query, handler);
  return handler;
}

function unenquireScreen(handler) {
  var query = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : mobileQuery;

  if (!enquireJs) {
    return;
  }
  enquireJs.unregister(query, handler);
}

exports.default = enquireJs;