message: Comments + null chaining.
diff: @@ -22,14 +22,11 @@ function expectedMatchResultsLength(matchResults: RegExpMatchArray): boolean {
  return matchResults.length === 4;
  }
  -/** Side effect-y function that will set up/unset block notes */
  +/** Side effect-y function that will set/unset block notes */
  function parseBlockNoteLine(blockNoteLine: string): null {
  const blockMatchResults = blockNoteLine.match(/^\/\/notes:(?<blockNotes>.*)/);
  - _blockNotes =
  - blockMatchResults && blockMatchResults.groups && blockMatchResults.groups.blockNotes
  - ? blockMatchResults.groups.blockNotes
  - : undefined;
  + _blockNotes = blockMatchResults?.groups?.blockNotes;
  return null;
  }
  