This demo uses imperative chart updates. The generated code is a faithful Angular translation: open it in CodeSandbox to run and tweak.
import { Component, AfterViewInit, OnDestroy, ViewChild } from '@angular/core';
import {
ChartComponent,
ApexAxisChartSeries,
ApexNonAxisChartSeries,
ApexChart,
ApexXAxis,
ApexYAxis,
ApexTitleSubtitle,
ApexDataLabels,
ApexStroke,
ApexFill,
ApexLegend,
ApexTooltip,
ApexMarkers,
ApexPlotOptions,
ApexResponsive,
ApexGrid,
ApexAnnotations,
ApexStates,
ApexTheme,
NgApexchartsModule,
} from 'ng-apexcharts';
export type ChartOptions = {
series?: ApexAxisChartSeries | ApexNonAxisChartSeries;
chart?: ApexChart;
xaxis?: ApexXAxis;
yaxis?: ApexYAxis | ApexYAxis[];
title?: ApexTitleSubtitle;
subtitle?: ApexTitleSubtitle;
dataLabels?: ApexDataLabels;
stroke?: ApexStroke;
fill?: ApexFill;
legend?: ApexLegend;
tooltip?: ApexTooltip;
markers?: ApexMarkers;
plotOptions?: ApexPlotOptions;
responsive?: ApexResponsive[];
grid?: ApexGrid;
annotations?: ApexAnnotations;
states?: ApexStates;
theme?: ApexTheme;
colors?: string[];
labels?: any;
};
@Component({
selector: 'app-chart',
standalone: true,
imports: [NgApexchartsModule],
templateUrl: './chart.component.html',
})
export class AppChart implements AfterViewInit, OnDestroy {
@ViewChild('chart') chart!: ChartComponent;
public chartOptions: Partial<ChartOptions> = {
series: [
{
name: 'Setpoint',
data: [16, 16, 18, 21, 21, 19, 19, 22, 22, 18, 16],
},
],
chart: {
type: 'line',
height: 350,
},
stroke: {
curve: 'stepline',
},
dataLabels: {
enabled: false,
},
title: {
text: 'Thermostat Setpoint',
align: 'left',
},
subtitle: {
text: "curve: 'stepline' holds each value until the next point",
align: 'left',
},
xaxis: {
categories: [
'00:00',
'02:00',
'04:00',
'06:00',
'08:00',
'10:00',
'12:00',
'14:00',
'16:00',
'18:00',
'20:00',
],
},
yaxis: {
labels: {
formatter: (val) => {
return val + '°C'
},
},
},
markers: {
hover: {
sizeOffset: 4,
},
},
};
ngAfterViewInit() {
(window as any).ApexCharts.setLicense('APEX-eyJleHBpcnlEYXRlIjoiMjEyNi0wNy0wNCIsImlzc3VlRGF0ZSI6IjIwMjYtMDctMjgiLCJwbGFuIjoicHJlbWl1bSIsImRvbWFpbnMiOlsiYXBleGNoYXJ0cy5jb20iLCIxMjcuMC4wLjEiLCJsb2NhbGhvc3QiXSwic2lnIjoieVBmb1VCc0Z3TU9ZdUEyaEZkR0I2Y1FtZ0JITUtXcVdJSjB2NVRESXRZbFR3eDJMUmh6R2x0RUc3VXJ4X0s3b25ZMWRZb2Z2VGItN01ydFYyNDVyOWcifQ==');
}
ngOnDestroy() {
// no cleanup needed
}
}