function useProdHMR() { return false; } var webpackHMR = false; function useDevHMR() { return webpackHMR; } export default process.env.NODE_ENV === 'production' ? useProdHMR : useDevHMR; // Webpack `module.hot.accept` do not support any deps update trigger // We have to hack handler to force mark as HRM if (process.env.NODE_ENV !== 'production' && typeof module !== 'undefined' && module && module.hot && typeof window !== 'undefined') { var win = window; if (typeof win.webpackHotUpdate === 'function') { var originWebpackHotUpdate = win.webpackHotUpdate; win.webpackHotUpdate = function () { webpackHMR = true; setTimeout(function () { webpackHMR = false; }, 0); return originWebpackHotUpdate.apply(void 0, arguments); }; } }