graphql: update gqlgen to 0.5.1

fix #6

1 files changed, 36 insertions, 0 deletions

diff --git a/vendor/github.com/vektah/gqlparser/validator/rules/scalar_leafs.go b/vendor/github.com/vektah/gqlparser/validator/rules/scalar_leafs.go
new file mode 100644
index 00000000..bb961f44
--- /dev/null
+++ b/vendor/github.com/vektah/gqlparser/validator/rules/scalar_leafs.go
@@ -0,0 +1,36 @@
+package validator
+
+import (
+	"github.com/vektah/gqlparser/ast"
+	. "github.com/vektah/gqlparser/validator"
+)
+
+func init() {
+	AddRule("ScalarLeafs", func(observers *Events, addError AddErrFunc) {
+		observers.OnField(func(walker *Walker, field *ast.Field) {
+			if field.Definition == nil {
+				return
+			}
+
+			fieldType := walker.Schema.Types[field.Definition.Type.Name()]
+			if fieldType == nil {
+				return
+			}
+
+			if fieldType.IsLeafType() && len(field.SelectionSet) > 0 {
+				addError(
+					Message(`Field "%s" must not have a selection since type "%s" has no subfields.`, field.Name, fieldType.Name),
+					At(field.Position),
+				)
+			}
+
+			if !fieldType.IsLeafType() && len(field.SelectionSet) == 0 {
+				addError(
+					Message(`Field "%s" of type "%s" must have a selection of subfields.`, field.Name, field.Definition.Type.String()),
+					Suggestf(`"%s { ... }"`, field.Name),
+					At(field.Position),
+				)
+			}
+		})
+	})
+}