global.process = { __proto__: process, pid: 123456 } const write = process.stdout.write.bind(process.stdout) process.stdout.write = function (chunk) { write('hack ' + chunk) } Date.now = function () { return 1459875739796 } require('os').hostname = function () { return 'abcdefghijklmnopqr' } var pino = require(require.resolve('../../'))() pino.info('me')