github.com/graemephi/kahugo@v0.62.3-0.20211121071557-d78c0423784d/common/maps/maps_get.go (about)

     1  // Copyright 2019 The Hugo Authors. All rights reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  // http://www.apache.org/licenses/LICENSE-2.0
     7  //
     8  // Unless required by applicable law or agreed to in writing, software
     9  // distributed under the License is distributed on an "AS IS" BASIS,
    10  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package maps
    15  
    16  import (
    17  	"github.com/spf13/cast"
    18  )
    19  
    20  // GetString tries to get a value with key from map m and convert it to a string.
    21  // It will return an empty string if not found or if it cannot be convertd to a string.
    22  func GetString(m map[string]interface{}, key string) string {
    23  	if m == nil {
    24  		return ""
    25  	}
    26  	v, found := m[key]
    27  	if !found {
    28  		return ""
    29  	}
    30  	return cast.ToString(v)
    31  }