// IsSelector - Checks if value is a selector.
func IsSelector(value action.Format) bool {
// If value is a string it's a selector
if _, ok := value.String(); ok {
return true
}
// Maybe it's a map ?
m, ok := value.Map()
if !ok {
return false
}
// If we formatted this map save it
value.Value = m
// If map contains $path it's a selector
if !m.Get("$path").IsNil() {
return true
}
// If map contains $extract it's a selector
if !m.Get("$extract").IsNil() {
return true
}
return false
}
