node_modules/tar-stream/constants.js

const constants = { // just for envs without fs
  S_IFMT: 61440,
  S_IFDIR: 16384,
  S_IFCHR: 8192,
  S_IFBLK: 24576,
  S_IFIFO: 4096,
  S_IFLNK: 40960
}

try {
  module.exports = require('fs').constants || constants
} catch {
  module.exports = constants
}