nl_tokens: Returns a build middleware which runs npm run build - css upon each HTTP request . Meant for use in development env .
pl_tokens: function setup ( ) { var build = null , errors = '' , rootdir = path . resolve ( __dirname , '..' , '..' ) ; function spawnMake ( ) { debug ( 'spawning %o' , 'npm run build-css' ) ; build = spawn ( 'npm' , [ 'run' , 'build-css' ] , { shell : true , cwd : rootdir , stdio : [ 'ignore' , 'pipe' , 'pipe' ] , } ) ; errors = '' ; build . once ( 'exit' , onexit ) ; build . stdout . setEncoding ( 'utf8' ) ; build . stdout . on ( 'data' , onstdout ) ; build . stderr . on ( 'data' , onstderr ) ; } function onstdout ( d ) { debug ( 'stdout %o' , d . trim ( ) ) ; } function onexit ( ) { build . stderr . removeListener ( 'data' , onstderr ) ; build . stdout . removeListener ( 'data' , onstdout ) ; build = null ; } function onstderr ( stderr ) { process . stderr . write ( stderr . toString ( 'utf8' ) ) ; errors += stderr . toString ( 'utf8' ) ; } return function ( req , res , <mask> ) { if ( ! build ) { spawnMake ( ) ; } build . once ( 'exit' , function ( code ) { if ( 0 === code ) { // `make` success next ( ) ; } else { // `make` failed res . send ( '<pre>`npm run build-css` failed \n\n' + errors + '</pre>' ) ; } } ) ; } ; }