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angular-highcharts-es

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This is a directive for an easy usage of Highcharts with angular.

Requirements

{
  "angular": "^15.1.1",
  "highcharts": "^10.3.3"
}

Installation

yarn

# install angular-highcharts-es and highcharts
yarn add angular-highcharts-es highcharts

npm

# install angular-highcharts-es and highcharts
npm i --save angular-highcharts-es highcharts

Usage Example

// app.module.ts
import { ChartModule } from "angular-highcharts-es";

@NgModule({
  imports: [
    ChartModule, // add ChartModule to your imports
  ],
})
export class AppModule {}
// chart.component.ts
import { Chart } from "angular-highcharts-es";

@Component({
  template: `
    <button (click)="add()">Add Point!</button>
    <div [chart]="chart"></div>
  `,
})
export class ChartComponent {
  chart = new Chart({
    chart: {
      type: "line",
    },
    title: {
      text: "Linechart",
    },
    credits: {
      enabled: false,
    },
    series: [
      {
        name: "Line 1",
        data: [1, 2, 3],
      },
    ],
  });

  // add point to chart serie
  add() {
    this.chart.addPoint(Math.floor(Math.random() * 10));
  }
}

API Docs

Chart

The Chart object.

Type: class

Constructor

new Chart(options: Options)

Properties

ref: Highcharts.Chart;

Deprecated. Please use ref$.

ref$: Observable<Highcharts.Chart>;

Observable that emits a Highcharts.Chart - Official Chart API Docs

Methods

addPoint(point: Point, [serieIndex: number = 0]): void

Adds a point to a serie

removePoint(pointIndex: number, [serieIndex: number = 0], [redraw: boolean = true], [shift: boolean = false]): void

Removes a point from a serie

addSeries(series: ChartSerie): void

Adds a series to the chart

removeSeries(seriesIndex: number): void

Remove series from the chart

StockChart

The Chart object.

Type: class

Constructor

new StockChart(options);

Properties

ref: Highstock.Chart;

Deprecated. Please use ref$.

ref$: Observable<Highstock.Chart>;

Observable that emits a Highstock.Chart

MapChart

The Chart object.

Type: class

Constructor

new MapChart(options);

Properties

ref;

Deprecated. Please use ref$.

ref$;

Observable that emits a Highmaps.Chart

Using Highcharts modules

To use Highcharts modules you have to import them and provide them in a factory (required for aot). You can find the list of available modules in the highcharts folder ls -la node_modules/highcharts/modules.

Hint: Highcharts-more is a exception, you find this module in the root folder. Don't forget to use the modules with the .src suffix, minimized highcharts modules are not importable.

Example

// app.module.ts
import { ChartModule, HIGHCHARTS_MODULES } from "angular-highcharts-es";
import * as exporting from "highcharts/es-modules/masters/modules/exporting.src";
import * as more from "highcharts/es-modules/masters/highcharts-more.src";

@NgModule({
  providers: [
    { provide: HIGHCHARTS_MODULES, useFactory: () => [more, exporting] }, // add as factory to your providers
  ],
})
export class AppModule {}

Troubleshooting

Compile Issues

If you expiring typing errors while you build/serve your angular app the following could be helpful:

// override options type with <any>
chart = new Chart({ options } as any);

This is very useful when using gauge chart type.

Loading Highcharts Modules manually

See Official Highcharts Docs: http://www.highcharts.com/docs/getting-started/install-from-npm

Demo

License

MIT © Felix Itzenplitz

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Highcharts directive for Angular

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