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package errors
import (
"fmt"
)
type QueryError struct {
Message string `json:"message"`
Locations []Location `json:"locations,omitempty"`
Path []interface{} `json:"path,omitempty"`
Rule string `json:"-"`
ResolverError error `json:"-"`
}
type Location struct {
Line int `json:"line"`
Column int `json:"column"`
}
func (a Location) Before(b Location) bool {
return a.Line < b.Line || (a.Line == b.Line && a.Column < b.Column)
}
func Errorf(format string, a ...interface{}) *QueryError {
return &QueryError{
Message: fmt.Sprintf(format, a...),
}
}
func (err *QueryError) Error() string {
if err == nil {
return "<nil>"
}
str := fmt.Sprintf("graphql: %s", err.Message)
for _, loc := range err.Locations {
str += fmt.Sprintf(" (line %d, column %d)", loc.Line, loc.Column)
}
return str
}
var _ error = &QueryError{}
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