1 files changed, 31 insertions, 0 deletions
diff --git a/common/maps/maps_get.go b/common/maps/maps_get.go
new file mode 100644
index 000000000..9289991ae
--- /dev/null
+++ b/common/maps/maps_get.go
@@ -0,0 +1,31 @@
+// Copyright 2019 The Hugo Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package maps
+
+import (
+	"github.com/spf13/cast"
+)
+
+// GetString tries to get a value with key from map m and convert it to a string.
+// It will return an empty string if not found or if it cannot be convertd to a string.
+func GetString(m map[string]interface{}, key string) string {
+	if m == nil {
+		return ""
+	}
+	v, found := m[key]
+	if !found {
+		return ""
+	}
+	return cast.ToString(v)
+}