Fix WithNodeJs opt

Currently, the only way to generate a project with node is to use
Webpack. If the --skip-webpack flag is used, WithNodeJs must be false
then.

buffalo/cmd/build.go

@@ -40,7 +40,10 @@ var xbuildCmd = &cobra.Command{
 		ctx, cancel := sigtx.WithCancel(context.Background(), os.Interrupt)
 		defer cancel()
 
-		pwd, _ := os.Getwd()
+		pwd, err := os.Getwd()
+		if err != nil {
+			return err
+		}
 
 		buildOptions.App = meta.New(pwd)
 		if len(buildOptions.bin) > 0 {

buffalo/cmd/new.go

@@ -9,11 +9,11 @@ import (
 	"path/filepath"
 	"strings"
 
-	"github.com/gobuffalo/buffalo/genny/docker"
 	pop "github.com/gobuffalo/buffalo-pop/genny/newapp"
 	"github.com/gobuffalo/buffalo/genny/assets/standard"
 	"github.com/gobuffalo/buffalo/genny/assets/webpack"
 	"github.com/gobuffalo/buffalo/genny/ci"
+	"github.com/gobuffalo/buffalo/genny/docker"
 	"github.com/gobuffalo/buffalo/genny/newapp/api"
 	"github.com/gobuffalo/buffalo/genny/newapp/core"
 	"github.com/gobuffalo/buffalo/genny/newapp/web"
@@ -89,7 +89,7 @@ func parseNewOptions(args []string) (newAppOptions, error) {
 	app.WithPop = !viper.GetBool("skip-pop")
 	app.WithWebpack = !viper.GetBool("skip-webpack")
 	app.WithYarn = !viper.GetBool("skip-yarn")
-	app.WithNodeJs = app.WithYarn || app.WithWebpack
+	app.WithNodeJs = app.WithWebpack
 	app.AsWeb = !app.AsAPI
 
 	if app.AsAPI {