1 files changed, 39 insertions, 0 deletions
diff --git a/vendor/github.com/vektah/gqlparser/validator/messaging.go b/vendor/github.com/vektah/gqlparser/validator/messaging.go
new file mode 100644
index 00000000..f1ab5873
--- /dev/null
+++ b/vendor/github.com/vektah/gqlparser/validator/messaging.go
@@ -0,0 +1,39 @@
+package validator
+
+import "bytes"
+
+// Given [ A, B, C ] return '"A", "B", or "C"'.
+func QuotedOrList(items ...string) string {
+	itemsQuoted := make([]string, len(items))
+	for i, item := range items {
+		itemsQuoted[i] = `"` + item + `"`
+	}
+	return OrList(itemsQuoted...)
+}
+
+// Given [ A, B, C ] return 'A, B, or C'.
+func OrList(items ...string) string {
+	var buf bytes.Buffer
+
+	if len(items) > 5 {
+		items = items[:5]
+	}
+	if len(items) == 2 {
+		buf.WriteString(items[0])
+		buf.WriteString(" or ")
+		buf.WriteString(items[1])
+		return buf.String()
+	}
+
+	for i, item := range items {
+		if i != 0 {
+			if i == len(items)-1 {
+				buf.WriteString(", or ")
+			} else {
+				buf.WriteString(", ")
+			}
+		}
+		buf.WriteString(item)
+	}
+	return buf.String()
+}