asMap function
Convert any map value with key
to Map<String, dynamic> or fallback
safely.
If fallback
is not provided, it defaults to an empty map.
Implementation
Map<String, dynamic> asMap(Map<String, dynamic>? json, String key,
{Map<String, dynamic> fallback = const <String, dynamic>{}}) {
return toMap(
asTOrNull(
json,
key,
),
fallback: fallback);
}