code: function stripTrailingComment(line, comment) {
  
              // loc.column is zero-indexed
              return line.slice(0, comment.loc.start.column).replace(/\s+$/u, "");
          }
docs: Gets the line after the comment and any remaining trailing whitespace is
  stripped.
  @param {string} line The source line with a trailing comment
  @param {ASTNode} comment The comment to remove
  @returns {string} Line without comment and trailing whitepace