.uglifyrc

{
  "toplevel": true,
  "compress": {
    "collapse_vars": false,
    "keep_infinity": true,
    "negate_iife": false,
    "passes": 3,
    "pure_getters": true,
    "unsafe": true
  },
  "output": {
    "ascii_only": true,
    "wrap_iife": true
  }
}