/usr/lib/nodejs/flagged-respawn/index.js is in node-flagged-respawn 0.3.2-1.
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 18  | const reorder = require('./lib/reorder');
const respawn = require('./lib/respawn');
module.exports = function (flags, argv, execute) {
  if (!flags) {
    throw new Error('You must specify flags to respawn with.');
  }
  if (!argv) {
    throw new Error('You must specify an argv array.');
  }
  var proc = process;
  var reordered = reorder(flags, argv);
  var ready = JSON.stringify(argv) === JSON.stringify(reordered);
  if (!ready) {
    proc = respawn(reordered);
  }
  execute(ready, proc);
};
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