readBool function

bool? readBool(
  1. JsonMap input,
  2. String key
)

Implementation

bool? readBool(JsonMap input, String key) {
  final value = input[key];
  if (value == null) {
    return null;
  }
  if (value is bool) {
    return value;
  }
  return switch ('$value'.trim().toLowerCase()) {
    'true' => true,
    'false' => false,
    _ => null,
  };
}