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: [78],
chart: {
height: 350,
type: 'gauge',
},
plotOptions: {
radialBar: {
startAngle: -135,
endAngle: 135,
bands: [
{ from: 0, to: 30, color: '#FF4560' },
{ from: 30, to: 70, color: '#FEB019' },
{ from: 70, to: 100, color: '#00E396' },
],
bandsStyle: {
strokeWidth: '60%',
gap: 2,
},
hollow: {
margin: 0,
size: '60%',
},
dataLabels: {
name: { show: false },
value: {
offsetY: 8,
fontSize: '32px',
fontWeight: 700,
formatter: (val) => {
return val + '%'
},
},
},
},
},
fill: { opacity: 0.8 },
labels: ['System Health'],
};
ngAfterViewInit() {
(window as any).ApexCharts.setLicense('APEX-eyJpc3N1ZURhdGUiOiIyMDI2LTA0LTE2IiwiZXhwaXJ5RGF0ZSI6IjIwNTItMDQtMTciLCJwbGFuIjoiZW50ZXJwcmlzZSIsImRvbWFpbnMiOlsiYXBleGNoYXJ0cy5jb20iLCIxMjcuMC4wLjEiXX0=');
}
ngOnDestroy() {
// no cleanup needed
}
}