Angular 12/11 Line Chart using JS Chart Tutorial Example

Angular 11/12 charts js line chart example. In this tutorial, you will learn step by step how to implement line chart using charts js library in angular 11/12 app.

And also, this tutorial will show you How to integrate line chart using charts js Angular 10/11 application.

Angular 12/11 Line Chart App

Follow the following steps and learn how to implement line chart in anuglar 11/12 app using charts js:

• Step 1 – Create New Angular App
• Step 2 – Install Charts JS Library
• Step 3 – Add Code on App.Module.ts File
• Step 4 – Add Code on View File
• Step 5 – Add Code On line-chart.Component ts File
• Step 6 – Start the Angular Line Chart App

Step 1 – Create New Angular App

First of all, open your terminal and execute the following command on it to install angular app:

ng new my-new-app

Step 2 – Install Charts JS Library

Then install NPM package called ng2-charts chart.js –save for implement line chart in angular 11 app. So, You can install the packages by executing the following commands on the terminal:

npm install --save bootstrap

npm install ng2-charts chart.js --save

After that, open angular.json file and update the following code into it:

"styles": [
      "node_modules/bootstrap/dist/css/bootstrap.min.css",
      "src/styles.css"
]

Step 3 – Add Code on App.Module.ts File

In this step, visit src/app directory and open app.module.ts file. And then add the following lines of into app.module.ts file:

import { ChartsModule } from 'ng2-charts';

@NgModule({
  declarations: [...],
  imports: [
    ChartsModule
  ],
  providers: [...],
  bootstrap: [...]
})

export class AppModule { }

Step 4 – Add Code on View File

In this step, create line chart in angular 11 app. So, visit src/app/ and line-chart.component.htmland update the following code into it:

<div class="chart-wrapper">
    <canvas baseChart 
        [datasets]="lineChartData" 
        [labels]="lineChartLabels" 
        [options]="lineChartOptions"
        [colors]="lineChartColors" 
        [legend]="lineChartLegend" 
        [chartType]="lineChartType" 
        [plugins]="lineChartPlugins">
    </canvas>
</div>

Step 5 – Add Code On line-chart.Component ts File

In this step, visit the src/app directory and open line-chart.component.ts. Then add the following code into component.ts file:

import { Component, } from '@angular/core';
import { ChartDataSets, ChartOptions } from 'chart.js';
import { Color, Label } from 'ng2-charts';

@Component({
  selector: 'app-line-chart',
  templateUrl: './line-chart.component.html',
  styleUrls: ['./line-chart.component.css']
})

export class LineChartComponent {

  lineChartData: ChartDataSets[] = [
    { data: [85, 72, 78, 75, 77, 75], label: 'Crude oil prices' },
  ];

  lineChartLabels: Label[] = ['January', 'February', 'March', 'April', 'May', 'June'];

  lineChartOptions = {
    responsive: true,
  };

  lineChartColors: Color[] = [
    {
      borderColor: 'black',
      backgroundColor: 'rgba(255,255,0,0.28)',
    },
  ];

  lineChartLegend = true;
  lineChartPlugins = [];
  lineChartType = 'line';
  
}

Step 6 – Start the Angular Line Chart App

In this step, execute the following command on terminal to start angular line chart app:

ng serve

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