ChartDataSignature.fromJson constructor
Implementation
factory ChartDataSignature.fromJson(Map<String, dynamic> json) {
final metrics = _canonicalMetrics(json);
return ChartDataSignature(
hash: metrics.hash,
canonicalBytes: metrics.canonicalBytes,
seriesCount: _seriesCount(json),
dataPointCount: _dataPointCount(json),
typeString: json['type']?.toString(),
);
}