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EventEmitter type is `object`, should be `ActiveElement` #1975

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florestankorp opened this issue Jun 16, 2024 · 0 comments

florestankorp commented Jun 16, 2024

Reproduction of the problem

<canvas (chartClick)="chartClicked($event)"> </canvas>

public chartClicked(event: { event?: ChartEvent; active?: object[] }): void {
  if (event.active && event.active.length > 0) {
    const myChartDataLabelIndex = event.active[0].index; // `Property 'index' does not exist on type 'object'.ts(2339)`
    console.log(myChartDataLabelIndex);
  }
}

Suggested fix:

libs/ng2-charts/src/lib/base-chart.directive.ts

  @Output() public chartClick: EventEmitter<{
    event?: ChartEvent;
    active?: ActiveElement[];
  }> = new EventEmitter();

  @Output() public chartHover: EventEmitter<{
    event: ChartEvent;
    active: ActiveElement[];
  }> = new EventEmitter();

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