/usr/lib/nodejs/babel-eslint/babylon-to-espree/convertComments.js is in node-babel-eslint 7.2.3-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 | "use strict";
module.exports = function (comments) {
  for (var i = 0; i < comments.length; i++) {
    var comment = comments[i];
    if (comment.type === "CommentBlock") {
      comment.type = "Block";
    } else if (comment.type === "CommentLine") {
      comment.type = "Line";
    }
    // sometimes comments don't get ranges computed,
    // even with options.ranges === true
    if (!comment.range) {
      comment.range = [comment.start, comment.end];
    }
  }
};
 |