driftctl/pkg/helpers/normalize_json.go

32 lines
1001 B
Go

package helpers
import "encoding/json"
// Since we can't use both hashicorp/terraform and hashicorp/terraform-plugin-sdk
// dependencies together, we decided to duplicate the helper function below from
// the original repo.
// https://github.com/hashicorp/terraform-plugin-sdk/issues/268
// https://www.terraform.io/docs/extend/guides/v1-upgrade-guide.html
// https://github.com/hashicorp/terraform-website/blob/master/content/source/docs/extend/best-practices/depending-on-providers.html.md#using-the-rpc-protocol
// Takes a value containing JSON string and passes it through
// the JSON parser to normalize it, returns either a parsing
// error or normalized JSON string.
func NormalizeJsonString(jsonString interface{}) (string, error) {
var j interface{}
if jsonString == nil || jsonString.(string) == "" {
return "", nil
}
s := jsonString.(string)
err := json.Unmarshal([]byte(s), &j)
if err != nil {
return s, err
}
bytes, _ := json.Marshal(j)
return string(bytes[:]), nil
}