This file is indexed.

/usr/lib/nodejs/babel-loader/lib/resolve-rc.js is in node-babel-loader 7.1.2-4.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

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"use strict";

const path = require("path");
const exists = require("./utils/exists");

module.exports = function find(fileSystem, start) {
  for (const fileName of [".babelrc", ".babelrc.js", "package.json"]) {
    const file = path.join(start, fileName);

    if (exists(fileSystem, file)) {
      if (fileName !== "package.json" || typeof require(file).babel === "object") {
        return file;
      }
    }
  }

  const up = path.dirname(start);

  // Reached root
  if (up !== start) {
    return find(fileSystem, up);
  }
};