tryEraserThickness method

double? tryEraserThickness()

Parses eraser metadata from the action payload.

Expected schema: {eraserThickness: double}.

Implementation

double? tryEraserThickness() {
  final payload = this.payload;
  if (payload == null) return null;
  final thickness = payload['eraserThickness'];
  if (thickness is num) return thickness.toDouble();
  return null;
}