node_modules/zone.js/mix/package.json

{
  "name": "zone-mix",
  "description": "Zone.js for mixed environment(both browser and NodeJS) such as Electron",
  "main": "../bundles/zone-mix.umd.js",
  "module": "../fesm2015/zone-mix.js",
  "es2015": "../fesm2015/zone-mix.js",
  "fesm2015": "../fesm2015/zone-mix.js"
}