Angular PrimeNG Messages Severities

Last Updated : 23 Aug, 2022

Angular PrimeNG is an open-source framework with a rich set of native Angular UI components that are used for great styling and this framework is used to make responsive websites with very much ease. This article will show us how to use the Messages Severities in Angular PrimeNG. We will also learn about the properties with their syntaxes that will be used in the code.

The Messages component is used to display a message with particular severity. Message severities are used to give different colorful message options. The possible values of severities are success, info, warn, and error.

Syntax:

<p-messages 
        [(value)]="..."
        [enableService]="false">
</p-messages>

Angular PrimeNG Messages Severities properties:

value: It is an array of messages to display. It is of array data type, the default value is null.
enableService: It specifies whether displaying service messages is enabled. It is of the boolean data type, the default value is true.

Creating Angular application & module installation:

Step 1: Create an Angular application using the following command.

ng new appname

Step 2: After creating your project folder i.e. appname, move to it using the following command.

cd appname

Step 3: Install PrimeNG in your given directory.

npm install primeng --save
npm install primeicons --save

Project Structure: It will look like the following:

Run the below command to see the output:

ng serve --open

Example 1: Below is the example code that illustrates the use of Angular PrimeNG Messages Severities.

app.component.html

<div style="text-align: center">
  <h2 style="color: green">GeeksforGeeks</h2>
  <h5>Angular PrimeNG Message Severities</h5>
  
  <p-messages 
        [(value)]="gfg" 
        [enableService]="false"> 
  </p-messages>
</div>

app.component.ts

import { Component } from "@angular/core";
import { Message } from "primeng/api";

@Component({
  selector: "app-root",
  templateUrl: "./app.component.html",
})
export class AppComponent {
  gfg: Message[];

  ngOnInit() {
    this.gfg = [
      {
        severity: "success",
        summary: "Geek-Success",
        detail: "This is a success Geek",
      },
      {
        severity: "info",
        summary: "Geek-Info",
        detail: "This is a info Geek",
      },
    ];
  }
}

app.module.ts

import { NgModule } from '@angular/core';
import { BrowserAnimationsModule } 
    from '@angular/platform-browser/animations';
import { AppComponent } from './app.component';
import {MessagesModule} from 'primeng/messages';

@NgModule({
  imports: [
    BrowserAnimationsModule,
    MessagesModule,
  ],
  declarations: [ AppComponent ],
  bootstrap:    [ AppComponent ]
})
export class AppModule{}

Output:

Example 2: Below is another example that illustrates the Angular PrimeNG Messages Severities.

app.component.html

<div style="text-align: center">
    <h2 style="color: green">GeeksforGeeks</h2>
    <h5>Angular PrimeNG Message Severities</h5>

    <p-messages 
          [(value)]="gfg" 
          [enableService]="false"> 
    </p-messages>
</div>

app.component.ts

import { Component } from "@angular/core";
import { Message } from "primeng/api";

@Component({
  selector: "app-root",
  templateUrl: "./app.component.html",
})
export class AppComponent {
  gfg: Message[];

  ngOnInit() {
    this.gfg = [
      {
        severity: "warn",
        summary: "Geek-Warning",
        detail: "This is a warning Geek",
      },
      {
        severity: "error",
        summary: "Geek-Error",
        detail: "This is a error Geek",
      },
    ];
  }
}

app.module.ts

import { NgModule } from '@angular/core';
import { BrowserAnimationsModule } 
    from '@angular/platform-browser/animations';
import { AppComponent } from './app.component';
import {MessagesModule} from 'primeng/messages';

@NgModule({
  imports: [
    BrowserAnimationsModule,
    MessagesModule,
  ],
  declarations: [ AppComponent ],
  bootstrap:    [ AppComponent ]
})
export class AppModule{}

Output:

Reference: https://primefaces.org/primeng/messages

Angular PrimeNG Messages Dynamic

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