Load this libraries:
"eslint-config-xo": "0.15.4", // allow to extend the xo config in eslint
"eslint-loader": "1.5.0", // loader for webpack
Thanks to this libraries you can easily load a config file .eslintrc in webpack and also in command line. Otherwise with xo directly you can't load it in command line with npm.
Workaround Solution:
Load this libraries: "eslint-config-xo": "0.15.4", // allow to extend the xo config in eslint "eslint-loader": "1.5.0", // loader for webpack
Thanks to this libraries you can easily load a config file .eslintrc in webpack and also in command line. Otherwise with xo directly you can't load it in command line with npm.