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known_type_names.go
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/
known_type_names.go
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package validator
import (
"github.com/open-policy-agent/opa/internal/gqlparser/ast"
//nolint:revive // Validator rules each use dot imports for convenience.
. "github.com/open-policy-agent/opa/internal/gqlparser/validator"
)
func init() {
AddRule("KnownTypeNames", func(observers *Events, addError AddErrFunc) {
observers.OnVariable(func(walker *Walker, variable *ast.VariableDefinition) {
typeName := variable.Type.Name()
typdef := walker.Schema.Types[typeName]
if typdef != nil {
return
}
addError(
Message(`Unknown type "%s".`, typeName),
At(variable.Position),
)
})
observers.OnInlineFragment(func(walker *Walker, inlineFragment *ast.InlineFragment) {
typedName := inlineFragment.TypeCondition
if typedName == "" {
return
}
def := walker.Schema.Types[typedName]
if def != nil {
return
}
addError(
Message(`Unknown type "%s".`, typedName),
At(inlineFragment.Position),
)
})
observers.OnFragment(func(walker *Walker, fragment *ast.FragmentDefinition) {
typeName := fragment.TypeCondition
def := walker.Schema.Types[typeName]
if def != nil {
return
}
var possibleTypes []string
for _, t := range walker.Schema.Types {
possibleTypes = append(possibleTypes, t.Name)
}
addError(
Message(`Unknown type "%s".`, typeName),
SuggestListQuoted("Did you mean", typeName, possibleTypes),
At(fragment.Position),
)
})
})
}