× ｢wds｣: webpack Dev Server Invalid Options
options should NOT have additional properties
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! firstname.lastname@example.org dev: `cross-env NODE_ENV=development webpack-dev-server --config webpack.config.js `
npm ERR! Exit status 1
npm ERR! Failed at the email@example.com dev script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\jwors\AppData\Roaming\npm-cache\_logs\2019-07-15T10_43_56_132Z-debug.log