import logat = require('logat'); logat.on('LogConfigError', (err: any) => { }); logat.error('This is error'); logat.error(new Error('This is error instance')); logat.error('object1', 'object2'); logat.warn('This is warn'); logat.info('This is info'); logat.debug('This is debug'); logat.setOptions({ logLevel: 4, logMethod: 1 }); logat.getOptions();