Before getting started with it, here is an incomplete list of Node.js benefits.
- An event-driven, I/O model which makes it light-weight and efficient
- Easy to learn and great community support
- Supports FullStack JS thoroughly
- Faster than some of the known platform
Let’s take a look at the following popular plugins.
It makes asynchronous testing simple and fun to carry out. Mocha is also capable of mapping uncaught exceptions to the correct test cases.
Mocha is mostly dependent upon the module on npm while being an independent open-source project which is maintained exclusively by volunteers.
It can be used with assertion libraries like should,js, express,js and chai.
It can be installed by typing in
npm install -g mocha
- Auto-exit: It consists of an auto-exist feature to prevent any kind of ‘hanging’ with an active loop.
- Reporters: Mocha reporters get adjusted to the terminal window and disable the ANSI-escape colouring.
- DSL: This plugin has an interface system that allows developers choose their style of DSL.
- Node debugging support along with a proper exit status.
- Tests with behaviour driven development.
- Provides great modularity so that you can integrate with other libraries.
It makes the developer comfortable by making them choose several interfaces. The chain capable BDD styles give an expressive readable style and language while the TDD assert provides a classical style.
- Single command installation: Chai.js can be easily installed with a single command
- Flexibility: Developers are free to build their own plugins and share with the community
- Open-source: It is an open source software hence no hardware cost and vendor lock-ins
- Chai comes with a number of utilities
Chai’s plugins extend its assertions to new contexts like vendor integration and object construction. These plugins can use the DRY pattern for exiting tests.
Express JS is a node JS framework which is gaining its popularity and is built around configuration and granular simplicity.
It is a cross-platform JS for Node.js. With Express JS, developers need not repeat the same code over and over again. A small REST API code written with express JS will take developers much lesser time than writing with plain Node JS using core modules.
Express’ original author Holowaychuk describes Express as a Sinatra inspired server. This simply means that there are many features available as plugins with Express.
It is the backend part of the MEAN stack along with a MongoDB.
- MVC and RESTful: Express Supports MVC Architecture along with RESTful API’s that can be built faster
- Easy integration: Integration of many languages like Jade or ExpressJS which reduce the development time.
- Express comes with a NoSQL database support
- Provides convenient, basic web-server creation
- Uses flexible, modular middleware pattern making it more user-friendly
Licensed under MIT, body-parser is a Node.js body parsing middleware. It extracts the entire body portion of an incoming request stream and exports it to the body.
It parses the JSON, buffer, string and URL encoded data submitted during HTTP post request.
In body-parser since the ‘req.body’ shape is based fully on a user-controlled input, the values and properties in this object are untrusted and should be verified before trusting it.
Body parser can be installed by typing ‘npmi body-parser’ command.
- Provides Parsers: This module provides many parsers like JSON, Raw and Text body parser
- It is very esay to install with the help of a single command line.
- Body parser is user-friendly
- Its object exposes various factories in order to create middleware.
It provides smart code insight and with popular integrations like angularJS. Webstorm enhances your productivity and takes your development experience to a new level.
It is called as the smartest editor as it contains intelligent code completion, a powerful navigation, refactoring for TypeScript, JacaScript, stylesheet languages along with various other popular frameworks.
- Great code assistance: Webstorm’s intelligent code assistance helps you to write great code.
- Built-in inspections: It has hundreds of built-in inspections which verifiesthe code quality analysis.
- Spy-JS: is a built-in tool that helps you trace your code and efficiently identify errors.
- Analyses your project to provide the best code completion.
- Coding assistance is context-aware and framework-specific.
- Provides powerful built-in tools to make debugging, testing and tracing easier than ever.
- Integrates with popular task runners, test frameworks providing you with a better experience.
This plugin implements Google Cloud Platform into the IDE development workflows. Webstorm now has Twig and Apache configuration support.
Passport is a great example of a library to be used as a plugin. Passport serves as an authentication middleware for NodeJS. Its sole purpose is to authenticate requests through an extensible set of plugins called strategies.
Passport recognizes that different applications require unique authentication requirements and hence makes use of strategies that are packed as individual modules.
These comprehensive set of strategies allow authentication using a username and password for websites like Facebook, Google, Twitter and more.
- Wide range of Stratergies: Passport offers more than 300 authentication strategies for its users.
- Lightweight code base: Passport uses very less coding tofacilitate dynamic scope and permissions for authentication.
- Custom strategies: Users can pick and choose their own strategies for their websites.
- Passport has a single sign-on with OpenID and OAuth.
- Supports persistent sessions along with easy handling of success and failures.
- Since it is built on Connect, it can help handle Node.js user session management which includes serialization, managing and logout of a user.
- Passport does not mount routes in applications.
WebSockets are used in case of bidirectional communication between a browser and some server. The client in the docs is actually a reference to a backend with the role of the client in the WebSocket communication.
- Full-duplex asynchronous messaging: Both the client and the server can stream messages independently.
- W3CWebSocket API used for apps that run on Node and browsers
- Autobahn Tests: The Autobahn Test Suite is used by WebSocket implementation to test spec the compliance and interoperability.
- TLS support: TLS supported for outbound connections and server connections
- WebSocket is very fast and simple to use along with a good security provision
- Passes through most firewalls without any reconfiguration.
- Uses a router to mount multiple apps to various paths and protocol combinations.
WebSocket requires it’s very own backend application to communicate with the server- side. Installation is simple just like other plugins by typing ‘npmiwebsocket’.
The request module is one of the most popular Node package used for making HTTP requests.
A request is a simplified HTTP client. To handle applications, for example, Flickr to download images, many HTTP requests are created. In order to handle such application requests, we need a solid module like Node to allow writing of codes to be more bearable.
Request is actually a wrapper around Node’s built in http module. This request wrapperis designed to be the simplest way possible to make HTTP calls.
When an HRRP request hits the server, Node calls the request handler function with a few handy objects for dealing with the transaction.
- Much easier: Using Request to carry out the same functionalities of Node is easy.
- Streams: Streams can be made easier by making use of request methods that pipe the outputs to another stream.
- Configurations: The ‘request.defaults()’ method lets users specify default parameters so that they don’t have to specify them for ever request they make.
- Auth function can be used to authenticate users.
- Requests support call-back interfaces and streaming.
- With the usage of Request, URL encoded forms are simple to implement.
- Request allows the usage of custom HTTP headers.
- Controls proxy behavior using environment variables.
As described by the Github community, Cheerio is a fast, flexible and lean implementation of jQuery designed specifically for the server.
Often people relate Cheerio to a web browser when it is not. Cheerio basically parses markup and provides an API which is used for traversing or manipulating a data structure.
Cheerio aims to build HTML content on the server.
Designed by Mathew Muller, it implements the subset that forms the core of jQuery which is designed specifically for the server side.
Installation is simple by typing
npm install cheerio.
- Familiar syntax: Anyone who is familiar with jQuery can easily implement Cheerio since both of them have a similar implementation and API
- Blazing fast: Cheerio works with a simple and consistent DOM model hence parsing, manipulating and rendering become efficient.
- Super flexible: It can wrap around the parse5 parser and can also use @FB55’s htmlparse2. Cheerio can be used to parse any HTML or XML document.
- Cheerio eliminates all the DOM inconsistencies and browser errors within the jQuery library.
- Web scraping is easy with Cheerio
- It proves to be very user-friendly due to its flexibility.
- Selector implementation is nearly identical to jQuery
It is as simple as merely passing an object and can work in two main environments, the browser as well as Node.js. All the codes that are written should work in both the environments.
Also, all the unit tests are run on both of these environments. To install moments, users will have to type
install npm moment
Currently, browsers like Chrome on Windows XP, IE 8,9 and 10 on Windows 7, latest Firefox on Linux and Safari on OSX are used for the CI system.
- Internationalization: Moment.js has a robust support for internationalization. Multiple locales can be easily loaded along with a quick switching between them.
- Fluent interface pattern: Moment makes use of the fluent interface pattern which is also known as method chaining. This allows invoking multiple method calls.
- Get+ Set: Moment makes use of overloaded getters and setters which is very common in jQuery.
- Parse: Without having to modify the native Date.prototype’, Moment creates a wrapper for the Date object. The moment prototype can be used to add a user’s own functions.
- It does not force wrapping of dates and hence proves to be user-friendly.
- js is very easy to customize and debug the codes
Powered by Bluebird, request-promise is a simplified HTTP request client ‘request’ that runs with a Promise support.
Both, Request and Bluebird are amazing.It is very simple to install the request-promise npm just by typing npm irequest-promise
Request-promise can be thought of as a wrapper on top of the request module. So, whenever users fire a backend request, it is itself being wrapped in a promise.
It is a more appropriate method to fire a backend call which uses promises to resolve the data from backend. Request-Promise adds a ‘.then(…)’ method which is again powered by Bluebird to request the call objects.
- Promises: Promises are software abstractions that help working with asynchronous operations very pleasant. Code moves faster from continuation- passing style.
- HTTP requests: The HTTP interfaces in Node.js are designed to support various features of the protocol which have otherwise been difficult to use.
- Integration with JSON: Posting data to a JSON API is very easy.
- Helps crawl through a webpage better while also including cookies.
- This plugin yields a full response.
- Requests are rejected only if the request fails in case of technical reasons.