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/variables_in_allowed_position.go b/vendor/github.com/vektah/gqlparser/validator/rules/variables_in_allowed_position.go
new file mode 100644
index 00000000..e6d97c9f
--- /dev/null
+++ b/vendor/github.com/vektah/gqlparser/validator/rules/variables_in_allowed_position.go
@@ -0,0 +1,36 @@
+package validator
+
+import (
+	"github.com/vektah/gqlparser/ast"
+	. "github.com/vektah/gqlparser/validator"
+)
+
+func init() {
+	AddRule("VariablesInAllowedPosition", func(observers *Events, addError AddErrFunc) {
+		observers.OnValue(func(walker *Walker, value *ast.Value) {
+			if value.Kind != ast.Variable || value.ExpectedType == nil || value.VariableDefinition == nil || walker.CurrentOperation == nil {
+				return
+			}
+
+			// todo: move me into walk
+			// If there is a default non nullable types can be null
+			if value.VariableDefinition.DefaultValue != nil && value.VariableDefinition.DefaultValue.Kind != ast.NullValue {
+				if value.ExpectedType.NonNull {
+					value.ExpectedType.NonNull = false
+				}
+			}
+
+			if !value.VariableDefinition.Type.IsCompatible(value.ExpectedType) {
+				addError(
+					Message(
+						`Variable "%s" of type "%s" used in position expecting type "%s".`,
+						value,
+						value.VariableDefinition.Type.String(),
+						value.ExpectedType.String(),
+					),
+					At(value.Position),
+				)
+			}
+		})
+	})
+}