Angular10 isPlatformServer() Function

In this article, we are going to see what is isPlatformServer in Angular 10 and how to use it.

The isPlatformServer is used to get a platform id that represents a server platform

Syntax:

isPlatformServer(platformId);

NgModule: Module used by isPlatformServer is:

• CommonModule

Return Value: returns a Boolean Value stating whether a platform id represents a server platform.

Approach: 

• Create the angular app to be used
• Import isPlatformServer from @angular/core to the project.
• In app.component.ts define the object which holds the Boolean value.
• serve the angular app using ng serve to see the output

Example 1:

app.component.ts

import { Component, Inject }
from '@angular/core';
import { PLATFORM_ID }
from '@angular/core';
import { isPlatformServer }
from '@angular/common';

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: [ './app.component.css' ]
})
export class AppComponent  {
    isServer: boolean;

    constructor( @Inject(PLATFORM_ID) platformId: Object) {
      this.isServer = isPlatformServer(platformId);
      console.log(this.isServer);
    }

}

Output:

Example 2:

app.component.ts

import { Component, Inject }
from '@angular/core';
import { PLATFORM_ID }
from '@angular/core';
import { isPlatformServer }
from '@angular/common';

@Component({
  selector: 'app-root',
  templateUrl: './app.component.html',
  styleUrls: [ './app.component.css' ]
})
export class AppComponent  {
    isServer: boolean;

    constructor( @Inject(PLATFORM_ID) platformId: Object) {
      this.isServer = isPlatformServer(platformId);
    }

}

”>app.component.html”

<div *ngIf = 'isServer==false'>
  platform id does not represents a server platform.
</div>

Output:

Reference: https://angular.io/api/common/isPlatformServer