let _console; let method if (typeof console !== 'undefined') { _console = console } else if (typeof global !== 'undefined' && global.console) { _console = global.console } else if (typeof window !== 'undefined' && window.console) { _console = window.console } else { _console = {} } const noop = function () {} const methods = ['assert', 'clear', 'count', 'debug', 'dir', 'dirxml', 'error', 'group', 'groupCollapsed', 'groupEnd', 'info', 'log', 'profile', 'profileEnd', 'table', 'time', 'timeEnd', 'timeStamp', 'trace', 'warn'] let { length } = methods while (length--) { method = methods[length] if (!console[method]) { _console[method] = noop } } export default _console