convertRecentChatListFromJson function
Converts a JSON string into a JSON string representing a list of RecentChat objects.
This function checks if the provided string is null or empty. If it is, it returns an empty string. Otherwise, it converts the string into a list of RecentChat objects using recentChatListFromJson, and then back into a JSON string using recentChatListToJson.
Parameters:
str
- A JSON string or null.
Returns: A JSON string representing a list of RecentChat objects, or an empty string if the input is null or empty.
Implementation
String convertRecentChatListFromJson(String? str) =>
(str == null || str.isEmpty)
? ""
: recentChatListToJson(recentChatListFromJson(str));