TypeScript Setup With Node & Express

In this video we will setup a Node/Express/TypeScript/Nodemon environment with TS-Node.

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Let's start the setup for TypeScript with Node.js and Express

Introduction

In this article, we’ll learn how to handle node & express in Typescript.

About Node.js

Node.js is an open-source, cross-platform run-time environment used for developing fast and scalable real-time applications with a persistent connection between the user’s browser and server. It executes server-side JavaScript code.

About Express.js

Express.js is simply a web application framework of Node.js. It helps in developing node-based web applications rapidly. Let’s see some of the core features of Ethe xpress framework,

• Used in hybrid, single and multi-page web application development.
• Allows  usto setup middle wares to respond to HTTP requests.
• Helps in rendering dynamic HTML pages by passing arguments to templates.
• Defines a routing table to perform different actions based on HTTP method and URL.

Typescript

TypeScript is a language for application-scale Javascript and can be considered as a superset of JavaScript. It adds optional types to Javascript that support large scale JS applications, on any browser and OS. It can be thought of as JavaScript with additional features such as strong static typing, compilation and object-oriented programming etc.

Steps to follow.

Let’s start the setup for TypeScript with Node and Express.

Step 1 -_ Folder creation and Depen_****dency Installation

Create a new folder for our project (after Node and Npm installation):

Nodets_express

Install the dependencies using NPM

npm install typescript

tsc –init

Step 2** - Configuring TypeScript**

• After the installation, a few configurations have to be done for changing JS to TS.
• In the tsconfig.json file, modify the below configs.

“target”: “es5” -> “target”: “es6”,
“outDir”: “./build”,
“rootDir”: “./src”,
“moduleResolution”: “node”,

Note The tsconfig.json file is located at the root directory of any TypeScript project. The tsconfig.json file has the details of the root files and the compiler options required to compile the project.

Step 3

Initialize it as an Npm project

npm init --y

Step 4

To install the _Express _framework, use the below commands.

npm install express
npm i -D typescript ts-node nodemon @types/node @types/express

Step **5 - **Setting Up The Folder Structure

To start with the TS application, create a folder structure as below:

src/app.ts

_ src_ folder - In the root of our project directory.

app.ts file - Inside src folder.

In the terminal, execute the below command:

cd src
touch app.ts

At this point, we should have a folder structure that looks like this,

Now, go to the localhost in the browser. The below result appears which indicates successful execution.

Thank you for reading!

#typescript #node-js #express

Node.js Express EJS Layouts and Partials Tutorial

Today we are going to look at how we can use Express EJS Layouts to help us with website templating which ultimately help us to avoid writing duplicated code as well as making our website/application easily maintainable.

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Setting up TypeScript and Node with Express

Hello, my friends and fellow developers, in this video, I have talked about setting up TypeScript and NodeJS with Express.

#typescript #node #express #nodejs #javascript

How to set up TypeScript with Node and Express

Learn how to set up TypeScript with Node and Express in this video.

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Connect 🔗 :
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Github: https://github.com/max-programming/

🔥 Timestamps Start 🔥

0:00 - Introduction
1:45 - Setting up the node environment
7:39 - Creating NPM Scripts
9:12 - Configuring TypeScript with tsconfig.json

🔥 Timestamps End 🔥

https://youtu.be/tHzmSuBRb0k

#node #typescript #javascript #express #backend

TypeScript Express Starter: Quick and Easy TypeScript Express Starter

TypeScript Express Starter 

🚀 Express RESTful API Boilerplate Using TypeScript      

😎 Introducing The Project

Express consists of JavaScript, which makes it vulnerable to type definitions.

That's why we avoid supersets with starter packages that introduce TypeScript.

The package is configured to use TypeScript instead of JavaScript.

The project referred to express-generator-typescript

🤔 What is Express ?

Express is a fast, open and concise web framework and is a Node.js based project.

🚀 Quick Start

Install with the npm Global Package

$ npm install -g typescript-express-starter

Run npx to Install The Package

npx is a tool in the JavaScript package management module, npm.

This is a tool that allows you to run the npm package on a single run without installing the package.

If you do not enter a project name, it defaults to typescript-express-starter.

$ npx typescript-express-starter "project name"

Select a Templates

Start your typescript-express-starter app in development mode at http://localhost:3000/

Template Type

Name	Description
Default	Express Default
Routing Controllers	Create structured, declarative and beautifully organized class-based controllers with heavy decorators usage
Sequelize	Easy to use multi SQL dialect ORM for Node.js
Mongoose	MongoDB Object Modeling(ODM) designed to work in an asynchronous environment
TypeORM	An ORM that can run in Node.js and Others
Prisma	Modern Database Access for TypeScript & Node.js
Knex	SQL query builder for Postgres, MySQL, MariaDB, SQLite3 and Oracle
GraphQL	query language for APIs and a runtime for fulfilling those queries with your existing data
Typegoose	Define Mongoose models using TypeScript classes
Mikro ORM (Develop)	TypeScript ORM for Node.js based on Data Mapper, Unit of Work and Identity Map patterns. Supports MongoDB, MySQL, MariaDB, PostgreSQL and SQLite databases
Sequelize Typescript (Develop)	Decorators and some other features for sequelize

🛎 Available Commands for the Server

• Run the Server in production mode : npm run start or Start typescript-express-starter in VS Code
• Run the Server in development mode : npm run dev or Dev typescript-express-starter in VS Code
• Run all unit-tests : npm test or Test typescript-express-starter in VS Code
• Check for linting errors : npm run lint or Lint typescript-express-starter in VS Code
• Fix for linting : npm run lint:fix or Lint:Fix typescript-express-starter in VS Code

💎 The Package Features

Application

• 

DevOps

• 

Utilities

• 

Database

• 

Simple Icons

🐳 Docker :: Container Platform

Docker is a platform for developers and sysadmins to build, run, and share applications with containers.

Docker Install.

• starts the containers in the background and leaves them running : docker-compose up -d
• Stops containers and removes containers, networks, volumes, and images : docker-compose down

Modify docker-compose.yml and Dockerfile file to your source code.

♻️ NGINX :: Web Server

NGINX is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.

Proxying is typically used to distribute the load among several servers, seamlessly show content from different websites, or pass requests for processing to application servers over protocols other than HTTP.

When NGINX proxies a request, it sends the request to a specified proxied server, fetches the response, and sends it back to the client.

Modify nginx.conf file to your source code.

✨ ESLint, Prettier :: Code Formatter

Prettier is an opinionated code formatter.

ESLint, Find and fix problems in your JavaScript code

It enforces a consistent style by parsing your code and re-printing it with its own rules that take the maximum line length into account, wrapping code when necessary.

Install VSCode Extension Prettier, ESLint

CMD + Shift + P (Mac Os) or Ctrl + Shift + P (Windows)

Format Selection With

Configure Default Formatter...

Prettier - Code formatter

Palantir, the backers behind TSLint announced in 2019 that they would be deprecating TSLint in favor of supporting typescript-eslint in order to benefit the community. So, migration from TSLint to ESLint.

📗 Swagger :: API Document

Swagger is Simplify API development for users, teams, and enterprises with the Swagger open source and professional toolset.

Easily used by Swagger to design and document APIs at scale.

Start your app in development mode at http://localhost:3000/api-docs

Modify swagger.yaml file to your source code.

🌐 REST Client :: HTTP Client Tools

REST Client allows you to send HTTP request and view the response in Visual Studio Code directly.

VSCode Extension REST Client Install.

Modify *.http file in src/http folder to your source code.

🔮 PM2 :: Advanced, Production process manager for Node.js

PM2 is a daemon process manager that will help you manage and keep your application online 24/7.

• production mode :: npm run deploy:prod or pm2 start ecosystem.config.js --only prod
• development mode :: npm run deploy:dev or pm2 start ecosystem.config.js --only dev

Modify ecosystem.config.js file to your source code.

🏎 SWC :: a super-fast JavaScript / TypeScript compiler

SWC is an extensible Rust-based platform for the next generation of fast developer tools.

SWC is 20x faster than Babel on a single thread and 70x faster on four cores.

• tsc build :: npm run build
• swc build :: npm run build:swc

Modify .swcrc file to your source code.

🗂 Code Structure (default)

│
├── /.vscode
│   ├── launch.json
│   └── settings.json
│
├── /src
│   ├── /configs
│   │   ├── index.ts
│   │
│   ├── /controllers
│   │   ├── auth.controller.ts
│   │   ├── index.controller.ts
│   │   └── users.controller.ts
│   │
│   ├── /dtos
│   │   └── users.dto.ts
│   │
│   ├── /exceptions
│   │   └── HttpException.ts
│   │
│   ├── /http
│   │   ├── auth.http
│   │   └── users.http
│   │
│   ├── /interfaces
│   │   ├── auth.interface.ts
│   │   ├── routes.interface.ts
│   │   └── users.interface.ts
│   │
│   ├── /middlewares
│   │   ├── auth.middleware.ts
│   │   ├── error.middleware.ts
│   │   └── validation.middleware.ts
│   │
│   ├── /models
│   │   └── users.model.ts
│   │
│   ├── /routes
│   │   ├── auth.route.ts
│   │   ├── index.route.ts
│   │   └── users.route.ts
│   │
│   ├── /services
│   │   ├── auth.service.ts
│   │   └── users.service.ts
│   │
│   ├── /tests
│   │   ├── auth.test.ts
│   │   ├── index.test.ts
│   │   └── users.test.ts
│   │
│   ├── /utils
│   │   ├── logger.ts
│   │   ├── util.ts
│   │   └── vaildateEnv.ts
│   │
│   ├── app.ts
│   ├── index.ts
│   └── server.ts
│
├── .dockerignore
├── .editorconfig
├── .env.development.local
├── .env.production.local
├── .env.test.local
├── .eslintignore
├── .eslintrc
├── .gitignore
├── .huskyrc
├── .lintstagedrc.json
├── .prettierrc
├── .swcrc
├── docker-compose.yml
├── Dockerfile
├── ecosystem.config.js
├── jest.config.js
├── Makefile
├── nginx.conf
├── nodemon.json
├── package-lock.json
├── package.json
├── swagger.yaml
└── tsconfig.json

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Author: ljlm0402
Source Code: https://github.com/ljlm0402/typescript-express-starter 
License: MIT License

#typescript #node #express