nl_tokens: Define the output configuration .
pl_tokens: function config ( ext ) { return { input : "src/index.js" , output : { <mask> : ` ${ ext } ` , format : ext === ".mjs" ? "es" : "cjs" , sourcemap : true , sourcemapFile : ` ${ ext } ` , strict : true , banner : ` ` , } , plugins : [ sourcemaps ( ) ] , external : Object . keys ( require ( "./package.json" ) . dependencies ) , } }