Introduction Angular is a development platform for building WEB, mobile, and desktop applications using HTML, CSS, and TypeScript (JavaScript). Currently, Angular is at version 14, and Google is the main maintainer of the project. is a rich and interactive charts library based on SVG. highcharts Prerequisites Before you start, you need to install and configure the tools: git Node.js and npm Angular CLI IDE (e.g. ) Visual Studio Code Getting started Create the Angular Application Let’s create the application with the Angular base structure using the with the route file and the SCSS style format. 1. @angular/cli ng new angular-highcharts
? Would you like to add Angular routing? Yes
? Which stylesheet format would you like to use? SCSS   [ https://sass-lang.com/documentation/syntax#scss                ]
CREATE angular-highcharts/README.md (1063 bytes)
CREATE angular-highcharts/.editorconfig (274 bytes)
CREATE angular-highcharts/.gitignore (604 bytes)
CREATE angular-highcharts/angular.json (3279 bytes)
CREATE angular-highcharts/package.json (1080 bytes)
CREATE angular-highcharts/tsconfig.json (783 bytes)
CREATE angular-highcharts/.browserslistrc (703 bytes)
CREATE angular-highcharts/karma.conf.js (1435 bytes)
CREATE angular-highcharts/tsconfig.app.json (287 bytes)
CREATE angular-highcharts/tsconfig.spec.json (333 bytes)
CREATE angular-highcharts/src/favicon.ico (948 bytes)
CREATE angular-highcharts/src/index.html (303 bytes)
CREATE angular-highcharts/src/main.ts (372 bytes)
CREATE angular-highcharts/src/polyfills.ts (2820 bytes)
CREATE angular-highcharts/src/styles.scss (80 bytes)
CREATE angular-highcharts/src/test.ts (788 bytes)
CREATE angular-highcharts/src/assets/.gitkeep (0 bytes)
CREATE angular-highcharts/src/environments/environment.prod.ts (51 bytes)
CREATE angular-highcharts/src/environments/environment.ts (658 bytes)
CREATE angular-highcharts/src/app/app-routing.module.ts (245 bytes)
CREATE angular-highcharts/src/app/app.module.ts (393 bytes)
CREATE angular-highcharts/src/app/app.component.scss (0 bytes)
CREATE angular-highcharts/src/app/app.component.html (24617 bytes)
CREATE angular-highcharts/src/app/app.component.spec.ts (1109 bytes)
CREATE angular-highcharts/src/app/app.component.ts (223 bytes)
✔ Packages installed successfully. Install and configure the Bootstrap CSS framework. Then, do steps 2 and 3 of the post, . 2. Adding the Bootstrap CSS framework to an Angular application Install the library. 3. highcharts npm install highcharts Remove the contents of the class from the file. Import the , and services and create the , , and methods as below. 4. AppComponent src/app/app.component.ts Highcharts HighchartsMore HighchartsSolidGauge createChartGauge createChartPie createChartColumn createChartLine import { AfterViewInit, Component } from '@angular/core';
import * as Highcharts from 'highcharts';
import HighchartsMore from 'highcharts/highcharts-more';
import HighchartsSolidGauge from 'highcharts/modules/solid-gauge';

HighchartsMore(Highcharts);
HighchartsSolidGauge(Highcharts);

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: ['./app.component.scss'],
})
export class AppComponent implements AfterViewInit {

  public ngAfterViewInit(): void {
    this.createChartGauge();
    this.createChartPie();
    this.createChartColumn();
    this.createChartLine();
  }

  private getRandomNumber(min: number, max: number): number {
    return Math.floor(Math.random() * (max - min + 1) + min)
  }

  private createChartGauge(): void {
    const chart = Highcharts.chart('chart-gauge', {
      chart: {
        type: 'solidgauge',
      },
      title: {
        text: 'Gauge Chart',
      },
      credits: {
        enabled: false,
      },
      pane: {
        startAngle: -90,
        endAngle: 90,
        center: ['50%', '85%'],
        size: '160%',
        background: {
            innerRadius: '60%',
            outerRadius: '100%',
            shape: 'arc',
        },
      },
      yAxis: {
        min: 0,
        max: 100,
        stops: [
          [0.1, '#55BF3B'], // green
          [0.5, '#DDDF0D'], // yellow
          [0.9, '#DF5353'], // red
        ],
        minorTickInterval: null,
        tickAmount: 2,
        labels: {
          y: 16,
        },
      },
      plotOptions: {
        solidgauge: {
          dataLabels: {
            y: -25,
            borderWidth: 0,
            useHTML: true,
          },
        },
      },
      tooltip: {
        enabled: false,
      },
      series: [{
        name: null,
        data: [this.getRandomNumber(0, 100)],
        dataLabels: {
          format: '<div style="text-align: center"><span style="font-size: 1.25rem">{y}</span></div>',
        },
      }],
    } as any);

    setInterval(() => {
      chart.series[0].points[0].update(this.getRandomNumber(0, 100));
    }, 1000);
  }

  private createChartPie(): void {
    let date = new Date();
    const data: any[] = [];

    for (let i = 0; i < 5; i++) {
      date.setDate(new Date().getDate() + i);
      data.push({
        name: `${date.getDate()}/${date.getMonth() + 1}`,
        y: this.getRandomNumber(0, 1000),
      });
    }

    const chart = Highcharts.chart('chart-pie', {
      chart: {
        type: 'pie',
      },
      title: {
        text: 'Pie Chart',
      },
      credits: {
        enabled: false,
      },
      tooltip: {
        headerFormat: `<span class="mb-2">Date: {point.key}</span><br>`,
        pointFormat: '<span>Amount: {point.y}</span>',
        useHTML: true,
      },
      series: [{
        name: null,
        innerSize: '50%',
        data,
      }],
    } as any);

    setInterval(() => {
      date.setDate(date.getDate() + 1);
      chart.series[0].addPoint({
        name: `${date.getDate()}/${date.getMonth() + 1}`,
        y: this.getRandomNumber(0, 1000),
      }, true, true);
    }, 1500);
  }

  private createChartColumn(): void {
    let date = new Date();
    const data: any[] = [];

    for (let i = 0; i < 10; i++) {
      date.setDate(new Date().getDate() + i);
      data.push({
        name: `${date.getDate()}/${date.getMonth() + 1}`,
        y: this.getRandomNumber(0, 1000),
      });
    }

    const chart = Highcharts.chart('chart-column' as any, {
      chart: {
        type: 'column',
      },
      title: {
        text: 'Column Chart',
      },
      credits: {
        enabled: false,
      },
      legend: {
        enabled: false,
      },
      yAxis: {
        min: 0,
        title: undefined,
      },
      xAxis: {
        type: 'category',
      },
      tooltip: {
        headerFormat: `<div>Date: {point.key}</div>`,
        pointFormat: `<div>{series.name}: {point.y}</div>`,
        shared: true,
        useHTML: true,
      },
      plotOptions: {
        bar: {
          dataLabels: {
            enabled: true,
          },
        },
      },
      series: [{
        name: 'Amount',
        data,
      }],
    } as any);

    setInterval(() => {
      date.setDate(date.getDate() + 1);
      chart.series[0].addPoint({
        name: `${date.getDate()}/${date.getMonth() + 1}`,
        y: this.getRandomNumber(0, 1000),
      }, true, true);
    }, 1500);
  }

  private createChartLine(): void {
    let date = new Date();
    const data: any[] = [];

    for (let i = 0; i < 10; i++) {
      date.setDate(new Date().getDate() + i);
      data.push([`${date.getDate()}/${date.getMonth() + 1}`, this.getRandomNumber(0, 1000)]);
    }

    const chart = Highcharts.chart('chart-line', {
      chart: {
        type: 'line',
      },
      title: {
        text: 'Line Chart',
      },
      credits: {
        enabled: false,
      },
      legend: {
        enabled: false,
      },
      yAxis: {
        title: {
          text: null,
        }
      },
      xAxis: {
        type: 'category',
      },
      tooltip: {
        headerFormat: `<div>Date: {point.key}</div>`,
        pointFormat: `<div>{series.name}: {point.y}</div>`,
        shared: true,
        useHTML: true,
      },
      series: [{
        name: 'Amount',
        data,
      }],
    } as any);

    setInterval(() => {
      date.setDate(date.getDate() + 1);
      chart.series[0].addPoint([`${date.getDate()}/${date.getMonth() + 1}`, this.getRandomNumber(0, 1000)], true, true);
    }, 1500);
  }

} Remove the contents of the file. Add the tags for each chart as below. 5. src/app/app.component.html div <div class="container-fluid py-3">
  <h1>Angular Highcharts</h1>

  <div class="row mt-5">
    <div class="col-6">
      <div id="chart-gauge"></div>
    </div>
    <div class="col-6">
      <div id="chart-pie"></div>
    </div>
  </div>
  <div class="row mt-5">
    <div class="col-6">
      <div id="chart-column"></div>
    </div>
    <div class="col-6">
      <div id="chart-line"></div>
    </div>
  </div>
</div> Add the style in the file as below. 6. src/app/app.component.scss #chart-gauge, #chart-pie, #chart-column, #chart-line {
  display: block;
  min-width: 150px;
  max-width: 400px;
  height: 200px;
  margin: 0 auto;
} Run the application with the command below. 7. npm start

> angular-highcharts@1.0.0 start
> ng serve

✔ Browser application bundle generation complete.

Initial Chunk Files | Names         |      Size
vendor.js           | vendor        |   2.79 MB
styles.css          | styles        | 266.63 kB
polyfills.js        | polyfills     | 128.52 kB
scripts.js          | scripts       |  77.06 kB
main.js             | main          |  18.40 kB
runtime.js          | runtime       |   6.64 kB

                    | Initial Total |   3.28 MB

Build at: 2021-09-09T01:25:33.291Z - Hash: 2495029c373d88bd55c1 - Time: 27953ms

** Angular Live Development Server is listening on localhost:4200, open your browser on http://localhost:4200/ **


✔ Compiled successfully. Ready! Access the URL and check if the application is working. See the application working on and . 8. http://localhost:4200/ GitHub Pages Stackblitz The application repository is available at . https://github.com/rodrigokamada/angular-highcharts This tutorial was posted on my in Portuguese. blog

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Adding charts using the Highcharts library to an Angular application

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