Function requireString

pkg/server/cmd/helpers.go:106–112

requireString validates that a required string flag is not empty

(fs *flag.FlagSet, value, fieldName string)

// requireString validates that a required string flag is not empty
func requireString(fs *flag.FlagSet, value, fieldName string) {
	if value == "" {
		fmt.Printf("Error: %s is required\n", fieldName)
		fs.Usage()
		os.Exit(1)
	}
}

// createApp creates config, initializes app, and returns cleanup function
func createApp(fs *flag.FlagSet, dbPath string) (*app.App, func()) {