nl_tokens: The implementation of the require method that is made available within the shell . This satisfies required modules using a combination of known modules ( standard and other modules available via the shell ) and custom modules ( previously installed using %module ) .
pl_tokens: function customRequire ( shell , name ) { var module = shell . requiredModules [ name ] ; if ( module ) { return module ; } if ( _knownModules [ name ] ) { module = require ( <mask> ) ; } else if ( shell . installedModules [ name ] ) { // Directly load up a specified custom module from where it would have been installed // when using the %module command. var modulePath = path . join ( shell . config . userPath , 'node_modules' , name ) ; module = require ( modulePath ) ; } if ( module ) { shell . requiredModules [ name ] = module ; } else { throw shell . createError ( 'Unknown module "%s". Make sure it has been installed via %module.' , name ) ; } return module ; }