in src/app/components/area-chart/area-chart.component.ts [100:109]
ngOnChanges(changes: SimpleChanges) {
if (
changes['data'] &&
changes['data'].currentValue &&
changes['data'].currentValue.length > 0
) {
this.areaChartData = changes['data'].currentValue;
this.renderChart(this.areaChartData);
}
}