nl_tokens: Downloads CEF binary package according to developer s platform and extracts it to deps / cef
pl_tokens: function downloadCef ( version , cb ) { var zlib = require ( 'zlib' ) , tar = require ( 'tar' ) , distUrl = 'https://github.com/downloads/appjs/appjs' , version = version , dirname = 'cef_binary_' + version + '_' + platform + '_' + arch , fileName = dirname + '.tar.gz' ; var tarballUrl = distUrl + '/' + fileName , gunzip = zlib . createGunzip ( ) , extracter = tar . Extract ( { path : depsDir } ) ; var errorHandler = function ( err , res ) { if ( err || res . statusCode != 200 ) { cb ( err || new Error ( res . statusCode + ' status code downloading tarball' ) ) ; } } ; var finish = function ( ) { if ( platform == 'win32' ) { <mask> { fs . rmdirSync ( path . join ( depsDir , 'cef' ) ) ; } catch ( e ) { } ; fs . rename ( path . join ( depsDir , dirname ) , path . join ( depsDir , 'cef' ) , cb ) ; } else { try { fs . unlinkSync ( path . join ( depsDir , 'cef' ) ) ; } catch ( e ) { } ; fs . symlink ( path . join ( depsDir , dirname ) , path . join ( depsDir , 'cef' ) , cb ) ; } } ; gunzip . on ( 'error' , errorHandler ) extracter . on ( 'error' , errorHandler ) extracter . on ( 'end' , finish ) fs . exists ( path . join ( depsDir , dirname ) , function ( exists ) { if ( ! exists ) { download ( tarballUrl , errorHandler ) . pipe ( gunzip ) . pipe ( extracter ) ; } else { finish ( ) ; } } ) ; }