![]() Many Express servers are configured to swallow all errors by configuring an Uncaught Exception handler, which in my opinion, is bad news. You will also need src/index.ts that will be the entry point for your application: You need a server file ( src/Server.ts), which you can create like this: Express Appįinally, we need to install Express, which is as simple as running this command: Please look them up at Eslint with TypeScript. ![]() Now, you can run the command below to lint your codebase for lint errors:ĮSLint has ample rules to enforce standards in your code. Lastly, add a lint script to package.json: eslintrc file in the project root and use the following starter configuration: TypeScript projects once used TSLint, but it has been deprecated in favor of ESLint.Ĭreate a. It is not mandatory to use this JavaScript linter, but it’s highly recommended for enforcing code standards and keeping code clean. This is the tsconfig.json file with some default configurations:įor a detailed reference, checkout tsconfig.json. Some of the options are: include - specifies the files to be included, exclude - the files to exclude, and the compiler options: outFIle and moduleResolution.įirst, we need to install some TypeScript specific modules: But during production, since Node.js only understands JS, the entire TS files need to be transpiled to JS. During development, TypeScript provides us with the convenience of running the code directly from the. This file needs to be created in the root of a TypeScript project. Setting up TypeScript Configuration ( tsconfig.json ) For more information, check out this very good read about the basics of package.json. This manifest file will contain all the metadata of your project, like module dependencies, configs, and scripts. This will ask you a couple of project-specific questions, like name and version, and will create a package.json file, which may look like this: Setting up an Express Application with TypeScript can be done in three steps: Initialize project using NPM Initializing Server (Express with TypeScript) Nevertheless, I strongly recommend going through this guide to further your understanding of the project files and configuration nuances. It has been set up with default configurations, which you can change later. If you don’t want to go through the steps below, you can check out my GitHub Repo typescript-express-server and use it as your application skeleton. Of course, MacOS or Windows would do fine too for this tutorial, but to use them, please find appropriate installation guides on the Internet before moving forward. PostgreSQL – How to install PostgreSQL on Ubuntu 16.04.Redis – How to install Redis on Ubuntu 16.04.NPM (~v6.9.0) and Node.js (~v10.16.0) – You can use this How to Install Node.js on Ubuntu 16.04.Before we start, please make sure you have the following: I am assuming you have a non-root user with sudo privileges running on Ubuntu 16.04. This blog is going to guide you through the initial setup process. And while the initial process of getting it up and running can get arduous, you have come to the right place. You have a perfect server waiting to be built. But RDBMSs can be slow for frequently used data and caching, so you decide to add Redis, the in-memory cache, to decrease data access latency and ease the load off your relational data store. After all, it is the most advanced Relational Database Management System (RDBMS) in the world, with its object-oriented features and extensibility. A colleague introduces you to TypeScript, the superset of JavaScript developed by Microsoft, and recommends it for its strict static typing and compilation. You know that Node.js is the de facto standard for web servers for how well it unifies front-end and back-end web development with JavaScript, so you go for it.īut you want your server to be robust and reliable too. Maybe you have already started building the perfect React/Angular UI for your app.Įventually, you realize that, like most web apps, your app is going to be data-intensive and will need a lightning-fast web server. It’s going to be the next big thing, and you are super-excited about it. So, you have a brilliant idea for a web application.
0 Comments
Leave a Reply. |