31 lines
567 B
Go
31 lines
567 B
Go
package graphql
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import (
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"errors"
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"strconv"
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)
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// ID represents GraphQL's "ID" scalar type. A custom type may be used instead.
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type ID string
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func (ID) ImplementsGraphQLType(name string) bool {
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return name == "ID"
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}
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func (id *ID) UnmarshalGraphQL(input interface{}) error {
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var err error
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switch input := input.(type) {
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case string:
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*id = ID(input)
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case int32:
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*id = ID(strconv.Itoa(int(input)))
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default:
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err = errors.New("wrong type")
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}
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return err
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}
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func (id ID) MarshalJSON() ([]byte, error) {
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return strconv.AppendQuote(nil, string(id)), nil
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}
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