namespace ts { } ts . Debug . loggingHost = { log ( _level , s ) { ts . sys . write ( `${ s || "" }${ ts . sys . newLine }` ) ; } } ; if ( ts . Debug . isDebugging ) { ts . Debug . enableDebugInfo ( ) ; } if ( ts . sys . tryEnableSourceMapsForHost && /^development$/i . test ( ts . sys . getEnvironmentVariable ( "NODE_ENV" ) ) ) { ts . sys . tryEnableSourceMapsForHost ( ) ; } if ( ts . sys . setBlocking ) { ts . sys . setBlocking ( ) ; } ts . executeCommandLine ( ts . sys , ts . noop , ts . sys . args ) ;