configMapList function

List<Map<String, dynamic>>? configMapList(
  1. Map<String, Object?> json,
  2. String key
)

Reads a List<Map<String, dynamic>> from json at key. Returns null if missing or wrong type.

Implementation

List<Map<String, dynamic>>? configMapList(
  Map<String, Object?> json,
  String key,
) {
  final value = json[key];
  return value is List<Map<String, dynamic>> ? value : null;
}