Files
stash/vendor/github.com/99designs/gqlgen/graphql/id.go
2019-02-09 16:56:50 -08:00

37 lines
605 B
Go

package graphql
import (
"encoding/json"
"fmt"
"io"
"strconv"
)
func MarshalID(s string) Marshaler {
return WriterFunc(func(w io.Writer) {
io.WriteString(w, strconv.Quote(s))
})
}
func UnmarshalID(v interface{}) (string, error) {
switch v := v.(type) {
case string:
return v, nil
case json.Number:
return string(v), nil
case int:
return strconv.Itoa(v), nil
case float64:
return fmt.Sprintf("%f", v), nil
case bool:
if v {
return "true", nil
} else {
return "false", nil
}
case nil:
return "null", nil
default:
return "", fmt.Errorf("%T is not a string", v)
}
}