nl_tokens: Creates a SourceMapConsumer so we can query it .
pl_tokens: async function createSourceMapConsumer ( compiler : Compiler , url : string ) { const response = await fetch ( url ) ; const sourceMap = await response . text ( ) ; // we stop here if we couldn't find that map if ( ! sourceMap ) { logger . <mask> ( messages . sourceMapFileNotFound ( ) ) ; return null ; } // feed the raw source map into our consumer try { return new SourceMapConsumer ( sourceMap ) ; } catch ( err ) { logger . error ( messages . sourceMapInvalidFormat ( ) ) ; return null ; } }