1 files changed, 63 insertions, 0 deletions
diff --git a/vendor/github.com/vektah/gqlparser/validator/rules/provided_required_arguments.go b/vendor/github.com/vektah/gqlparser/validator/rules/provided_required_arguments.go
new file mode 100644
index 00000000..55791a6b
--- /dev/null
+++ b/vendor/github.com/vektah/gqlparser/validator/rules/provided_required_arguments.go
@@ -0,0 +1,63 @@
+package validator
+
+import (
+	"github.com/vektah/gqlparser/ast"
+	. "github.com/vektah/gqlparser/validator"
+)
+
+func init() {
+	AddRule("ProvidedRequiredArguments", func(observers *Events, addError AddErrFunc) {
+
+		observers.OnField(func(walker *Walker, field *ast.Field) {
+			if field.Definition == nil {
+				return
+			}
+
+		argDef:
+			for _, argDef := range field.Definition.Arguments {
+				if !argDef.Type.NonNull {
+					continue
+				}
+				if argDef.DefaultValue != nil {
+					continue
+				}
+				for _, arg := range field.Arguments {
+					if arg.Name == argDef.Name {
+						continue argDef
+					}
+				}
+
+				addError(
+					Message(`Field "%s" argument "%s" of type "%s" is required but not provided.`, field.Name, argDef.Name, argDef.Type.String()),
+					At(field.Position),
+				)
+			}
+		})
+
+		observers.OnDirective(func(walker *Walker, directive *ast.Directive) {
+			if directive.Definition == nil {
+				return
+			}
+
+		argDef:
+			for _, argDef := range directive.Definition.Arguments {
+				if !argDef.Type.NonNull {
+					continue
+				}
+				if argDef.DefaultValue != nil {
+					continue
+				}
+				for _, arg := range directive.Arguments {
+					if arg.Name == argDef.Name {
+						continue argDef
+					}
+				}
+
+				addError(
+					Message(`Directive "@%s" argument "%s" of type "%s" is required but not provided.`, directive.Definition.Name, argDef.Name, argDef.Type.String()),
+					At(directive.Position),
+				)
+			}
+		})
+	})
+}