nl_tokens: Transport is separated into a separate function because it can be overrided by the lamda - optimizer tool to use NodeJS functions instead .
pl_tokens: function ( name , src , onload , requester , errorback ) { // XHR because it's easier to work with, doesn't pollute and has no reliance on DOM. // This means support for web workers, possibility to add a pre-processing pipeline // along with potential to cache scripts for re-use in other contexts. var xhr = new XMLHttpRequest ( ) ; xhr . open ( "GET" , src , true ) ; var onerror = function ( e ) { if ( errorback ) { errorback ( { src : src , requester : requester } ) ; } else { throw new Error ( '\n  Missing: ' + src + '\n  Requester: ' + requester ) ; } } ; xhr . onerror = onerror ; xhr . onload = function ( ) { if ( xhr . status >= 200 && xhr . status < 300 || xhr . status === 304 ) { var output = xhr . responseText ; output += "\n//# sourceURL=" + self . location . protocol + "//" + resolveRelative ( self . location . host + <mask> . location . pathname , src ) ; eval . call ( null , output ) ; onload ( ) ; } else { onerror ( ) ; } } ; xhr . send ( ) ; }