HighchartsCallback constructor

HighchartsCallback(
  1. HighchartsCallbackDart? dart, [
  2. String? javaScript,
  3. String? callbackKey
])

Implementation

HighchartsCallback(this.dart, [this.javaScript, String? callbackKey]) {
  this.callbackKey =
      callbackKey ?? 'highcharts_flutter.callback.${++_counter}';
}