"use strict"; var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault"); exports.__esModule = true; exports.default = useMediaQuery; var _react = _interopRequireDefault(require("react")); function useMediaQuery(query) { // Keep track of the preference in state, start with the current match var _React$useState = _react.default.useState(function () { if (typeof window !== 'undefined') { return window.matchMedia && window.matchMedia(query).matches; } }), isMatch = _React$useState[0], setIsMatch = _React$useState[1]; // Watch for changes _react.default.useEffect(function () { if (typeof window !== 'undefined') { if (!window.matchMedia) { return; } // Create a matcher var matcher = window.matchMedia(query); // Create our handler var onChange = function onChange(_ref) { var matches = _ref.matches; return setIsMatch(matches); }; // Listen for changes matcher.addListener(onChange); return function () { // Stop listening for changes matcher.removeListener(onChange); }; } }, [isMatch, query, setIsMatch]); return isMatch; }