angular and node js integration tutorial

What is AngularJS & how does it work?
AngularJS, a front-end framework, complements Node.js's backend capabilities, enabling a full-stack JavaScript environment for seamless development. Integrating Node.js with AngularJS facilitates real-time data exchange between the server and client, enhancing the responsiveness of web applications.
How do I install angular?
To install and use the command line interface as well as run the Angular application server, you'll need the Node.js JavaScript runtime and npm (the Node.js package manager) installed. npm is included with Node.js which you can install from Node.js downloads.
How to deploy angular 14 app to a Node JS server?
Angular.js has built-in tools that make API interactions straightforward. Ensure you have Angular.js and its HTTP module included in your project. Remember to inject the $http service into your app and controllers. Deploy Angular 14 app to a Node.js Server in Just 4 Minutes! To fetch data, use the $http.get () method.
Can angular integrate with Node JS?
You have successfully built a full-stack application integrating Angular with Node.js. This powerful combination of technologies allows you to create scalable and efficient web applications. You can further enhance this application by adding more complex features, connecting to databases, and incorporating APIs.

Create Angular Project

Open console, run command to generate the new Angular project: Move inside the project root: Execute command to install Bootstrap package: Place Bootstrap CSS path in angular.jsonfile: positronx.io

No Property Access from Index Signature

To resolve error: This setting makes sure profound consistency between accessing a field via the “dot” (obj.key) syntax, and “indexed” (obj["key"])and the way which the property is declared in the type. Without this flag, TypeScript will allow you to use the dot syntax to access fields which are not defined: Make sure to set noPropertyAccessFromInd

Create Components in Angular

Execute command to generate a couple of components that will be used for the Angular CRUD project. You have just generated the add-book, book-detail, and books-list components folder. positronx.io

Create Crud Routes

Next, create routes; with the help of Angular routes, we will make the consensus with components to enable the navigation in the CRUD application so add the below code in the app-routing.module.tsfile. positronx.io

Import Httpclientmodule, FormsModule & ReactiveFormsModule

In general, in the CRUD application, HTTP requests are made to send and update the server’s data. It requires working on Form data and HTTP calls; consequently, we need to import and register HttpClientModule, FormsModule and ReactiveFormsModule in the app.module.tsfile. positronx.io

Build Restful API with Node and Express

Now, comes the essential part of this tutorial. In this tutorial, we will learn how to create RESTful API with Node and Express.js, not just that to handle the data we will learn to use mongoDB. You need to build the backend separately, so execute the below command to invoke the REST API development with Node and Express.js. Evoke npm initializer t

Node and Express Rest API Example

Now, we understand how to run Node/Express backend server: To start the node and express server, you must have MongoDB installed on your local development system; check out how to install MongoDB community edition on your local machine. Once the MongoDB community edition has been set up, make sure to start the MongoDB on your local machine then fol

Create Angular Service For Rest API Consumption

Theoretically, we need to keep the Angular Service and Model in a separate folder, so create app/service folder in Angular project and create Book.tsclass within: Then, add the below code in app/service/Book.tsfile. Likewise, execute the command to create crud service file: Then, add the below code in app/service/crud.service.tsfile: positronx.io

Adding Navigation with Bootstrap

To configure navigation define the router-outlet directive, routerLink directive with angular routes in app.component.htmlfile: positronx.io

Build Create Operation

This step comprises of creating or adding data to the MongoDB database using Angular and Node/Express REST API. Add the code in add-book.component.tsfile: Add the code in add-book.component.htmlfile: positronx.io

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