nl_tokens: Returns a list of plugins which the given plugin depends on for which it is the only dependent . In other words if the given plugin were deleted these dangling dependencies should be deleted too .
pl_tokens: function ( plugin_id , plugins_dir , platformJson , pluginInfoProvider ) { var depsInfo ; if ( typeof plugins_dir === 'object' ) { depsInfo = plugins_dir ; } else { depsInfo = pkg . generateDependencyInfo ( platformJson , plugins_dir , pluginInfoProvider ) ; } var graph = depsInfo . <mask> ; var dependencies = graph . getChain ( plugin_id ) ; var tlps = depsInfo . top_level_plugins ; var diff_arr = [ ] ; tlps . forEach ( function ( tlp ) { if ( tlp !== plugin_id ) { diff_arr . push ( graph . getChain ( tlp ) ) ; } } ) ; // if this plugin has dependencies, do a set difference to determine which dependencies are not required by other existing plugins diff_arr . unshift ( dependencies ) ; var danglers = underscore . difference . apply ( null , diff_arr ) ; // Ensure no top-level plugins are tagged as danglers. danglers = danglers && danglers . filter ( function ( x ) { return tlps . indexOf ( x ) < 0 ; } ) ; return danglers ; }