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When developing Angular applications, managing HTTP requests efficiently is a common challenge. To streamline this process, you might create a common class for making API calls, which can then be extended by other components. However, dependency injection (DI) in Angular can introduce complications, particularly when extending classes that require injected services. In this post, we'll walk through a scenario where we have a common class for making HTTP calls and explore how to use Angular's new inject() function to simplify the DI process. Creating a Common Class for HTTP Calls First, let's create a common class, HTTPClass , which will manage our HTTP requests. This class will use Angular's HttpClient service to make GET and POST requests. Instead of using the constructor to inject HttpClient, we'll use the inject() function directly in the class. import { HttpClient } from ...

Creating a custom validator to match the password and confirm password fields in an Angular form is a common requirement for many applications. Introduction to Custom Validators: Custom validators in Angular allow you to extend the default validation capabilities and create specific rules tailored to your needs. They can be used for various purposes, such as ensuring passwords match, validating email formats, or checking for forbidden values. Signup Model import { FormControl } from "@angular/forms"; export interface SignupFormModel{ name: FormControl<string | null>; email: FormControl<string | null>; password: FormControl<string | null>; confirmPassword: FormControl<string | null>; } Ts File public signupFormGroup: FormGroup<SignupFormModel> = new FormGroup<SignupFormModel>({ name: new FormControl(null, [Validators.required]), em...

Introduction: Navigating away from a webpage with unsaved changes can lead to data loss and frustration. In this guide, we’ll explore effective methods to prevent page changes when you have unsaved changes in an Angular application. Whether you’re a developer or a user, understanding these techniques will help you safeguard your work.  Why Preventing Page changes with unsaved changes matter..? Understanding the importance of preventing accidential navigation can save your time and prevent the loss of valuable information. When working on forms, editing documents, or entering data in Angular application, ensuring your changes are saved before leaving the page is crucial. So, to  avoid page change when we have unsaved changes we can use canDeactivateFn() method of route guard. Navigating away from a webpage with unsaved changes can lead to data loss and frustration. In this guide, we'll explore effective methods to prevent page changes when you have unsaved changes in...

  So, in this post we will see how to create generic dialogue box in angular with the help of ngx-bootstrap. Video Link : So, our intution is that, we will create a separate component for generic dialogue box, so that we can use it in our whole application. Step 1:  install the ngx-bootstrap, run this command in CLI to install it “ ng add ngx-bootstrap ”. You can read more about ngx-bootstrap, just  click  here. Step 2:  Create a component named “ generic-dialog-box ” inside app component. After creating this component your file structure would look like this. Now, in the ‘ app.module.ts’  import  ‘ModalModule’  from ‘ ngx-bootstrap/modal ’. like this,  import { ModalModule } from ‘ngx-bootstrap/modal’;  and add  ModalModule.forRoot()  in the imports array of module.ts.file, Generic Dialog Box Compone...