helmfile/pkg/maputil/maputil.go

51 lines
1.1 KiB
Go

package maputil
import "fmt"
func CastKeysToStrings(s interface{}) (map[string]interface{}, error) {
new := map[string]interface{}{}
switch src := s.(type) {
case map[interface{}]interface{}:
for k, v := range src {
var str_k string
switch typed_k := k.(type) {
case string:
str_k = typed_k
default:
return nil, fmt.Errorf("unexpected type of key in map: expected string, got %T: value=%v, map=%v", typed_k, typed_k, src)
}
var casted_v interface{}
switch typed_v := v.(type) {
case map[interface{}]interface{}:
tmp, err := CastKeysToStrings(typed_v)
if err != nil {
return nil, err
}
casted_v = tmp
default:
casted_v = typed_v
}
new[str_k] = casted_v
}
case map[string]interface{}:
for k, v := range src {
var casted_v interface{}
switch typed_v := v.(type) {
case map[interface{}]interface{}:
tmp, err := CastKeysToStrings(typed_v)
if err != nil {
return nil, err
}
casted_v = tmp
default:
casted_v = typed_v
}
new[k] = casted_v
}
}
return new, nil
}