VisualViewport.fromJson constructor Null safety

VisualViewport.fromJson(
  1. Map<String, dynamic> json
)

Implementation

factory VisualViewport.fromJson(Map<String, dynamic> json) {
  return VisualViewport(
    offsetX: json['offsetX'] as num,
    offsetY: json['offsetY'] as num,
    pageX: json['pageX'] as num,
    pageY: json['pageY'] as num,
    clientWidth: json['clientWidth'] as num,
    clientHeight: json['clientHeight'] as num,
    scale: json['scale'] as num,
    zoom: json.containsKey('zoom') ? json['zoom'] as num : null,
  );
}