Looks like you don’t need this option, because you have no option browser in your package.json.
Some package.json files have a browser field which specifies alternative files to load for people bundling for the browser. If that's you, use this option, otherwise pkg.browser will be ignored.
Looks like you don’t need this option, because you have no option
browser
in your package.json.Default:
false
Source: https://github.com/rollup/rollup-plugin-node-resolve