How to use the signale.watch function in signale

/**
 * signale
 *
 * 美化console
 *
 * 参考：https://github.com/klauscfhq/signale
 * 
 */
const signale = require('signale');

signale.success('Operation successful');
signale.debug('Hello', 'from', 'L59');
signale.pending('Write release notes for 1.2.0');
signale.fatal(new Error('Unable to acquire lock'));
signale.watch('Recursively watching build directory...');
signale.complete({prefix: '[task]', message: 'Fix issue #59', suffix: '(@klauscfhq)'});

tty.ondisconnected = () => {
        signale.error("Lost connection to frontend");
        signale.watch("Waiting for frontend connection...");
    };

win.loadURL(url.format({
        pathname: path.join(__dirname, 'ui.html'),
        protocol: 'file:',
        slashes: true
    }));

    signale.complete("Frontend window created!");
    win.show();
    if (!settings.allowWindowed) {
        win.setResizable(false);
    } else if (!require(lastWindowStateFile)["useFullscreen"]) {
        win.setFullScreen(false);
    }

    signale.watch("Waiting for frontend connection...");
}

server.listen(define.rs_port, define.rs_host, (err, result) => {
    if (err) {
        signale.debug(new Error(err))
        return signale.fatal(new Error(err))
    }

    signale.watch('Recursively watching build directory...')
    signale.success(`Listening at http://${define.rs_host}:${define.rs_port}/`)
})