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package validator
import (
"github.com/vektah/gqlparser/v2/ast"
//nolint:revive // Validator rules each use dot imports for convenience.
. "github.com/vektah/gqlparser/v2/validator"
)
func init() {
AddRule("UniqueFragmentNames", func(observers *Events, addError AddErrFunc) {
seenFragments := map[string]bool{}
observers.OnFragment(func(walker *Walker, fragment *ast.FragmentDefinition) {
if seenFragments[fragment.Name] {
addError(
Message(`There can be only one fragment named "%s".`, fragment.Name),
At(fragment.Position),
)
}
seenFragments[fragment.Name] = true
})
})
}
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