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package graphql
import (
"fmt"
"strconv"
)
// ID represents GraphQL's "ID" scalar type. A custom type may be used instead.
type ID string
func (ID) ImplementsGraphQLType(name string) bool {
return name == "ID"
}
func (id *ID) UnmarshalGraphQL(input interface{}) error {
var err error
switch input := input.(type) {
case string:
*id = ID(input)
case int32:
*id = ID(strconv.Itoa(int(input)))
default:
err = fmt.Errorf("wrong type for ID: %T", input)
}
return err
}
func (id ID) MarshalJSON() ([]byte, error) {
return strconv.AppendQuote(nil, string(id)), nil
}
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