diff options
Diffstat (limited to 'vendor/github.com/vektah/gqlparser/validator/rules/fragments_on_composite_types.go')
-rw-r--r-- | vendor/github.com/vektah/gqlparser/validator/rules/fragments_on_composite_types.go | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/vendor/github.com/vektah/gqlparser/validator/rules/fragments_on_composite_types.go b/vendor/github.com/vektah/gqlparser/validator/rules/fragments_on_composite_types.go new file mode 100644 index 00000000..a4a48246 --- /dev/null +++ b/vendor/github.com/vektah/gqlparser/validator/rules/fragments_on_composite_types.go @@ -0,0 +1,39 @@ +package validator + +import ( + "fmt" + + "github.com/vektah/gqlparser/ast" + . "github.com/vektah/gqlparser/validator" +) + +func init() { + AddRule("FragmentsOnCompositeTypes", func(observers *Events, addError AddErrFunc) { + observers.OnInlineFragment(func(walker *Walker, inlineFragment *ast.InlineFragment) { + fragmentType := walker.Schema.Types[inlineFragment.TypeCondition] + if fragmentType == nil || fragmentType.IsCompositeType() { + return + } + + message := fmt.Sprintf(`Fragment cannot condition on non composite type "%s".`, inlineFragment.TypeCondition) + + addError( + Message(message), + At(inlineFragment.Position), + ) + }) + + observers.OnFragment(func(walker *Walker, fragment *ast.FragmentDefinition) { + if fragment.Definition == nil || fragment.TypeCondition == "" || fragment.Definition.IsCompositeType() { + return + } + + message := fmt.Sprintf(`Fragment "%s" cannot condition on non composite type "%s".`, fragment.Name, fragment.TypeCondition) + + addError( + Message(message), + At(fragment.Position), + ) + }) + }) +} |