Initial v1.0.0 commit

vendor/github.com/rancher/wrangler/pkg/data/merge.go

@@ -0,0 +1,24 @@
+package data
+
+func MergeMaps(base, overlay map[string]interface{}) map[string]interface{} {
+	result := map[string]interface{}{}
+	for k, v := range base {
+		result[k] = v
+	}
+	for k, v := range overlay {
+		if baseMap, overlayMap, bothMaps := bothMaps(result[k], v); bothMaps {
+			v = MergeMaps(baseMap, overlayMap)
+		}
+		result[k] = v
+	}
+	return result
+}
+
+func bothMaps(left, right interface{}) (map[string]interface{}, map[string]interface{}, bool) {
+	leftMap, ok := left.(map[string]interface{})
+	if !ok {
+		return nil, nil, false
+	}
+	rightMap, ok := right.(map[string]interface{})
+	return leftMap, rightMap, ok
+}