configStringList function

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

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

Implementation

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