webstorm setup nodejs

WebStorm is a very popular integrated development environment that provides fast, accurate and powerful functions for the development of languages ​​​​such as JavaScript and TypeScript. In WebStorm, we can easily use Node.js to develop JavaScript applications, but there are some necessary setups that need to be done before getting started. This article will explain how to set up a Node.js environment in WebStorm to start developing JavaScript applications.

1. Install Node.js

First of all, to use Node.js in WebStorm, you must install Node.js first. In this article, we will use Windows as an example. In Windows systems, you can install Node.js through the official website (https://nodejs.org/en/) or the Node.js management tool NVM (https://github.com/coreybutler/nvm-windows).

After the installation is complete, you can enter the following command on the command line to verify whether Node.js has been successfully installed:

node -v

If the correct version number is returned, Node.js has been successfully installed.

2. Configure the Node.js environment in WebStorm

Next, we need to set up the Node.js environment in WebStorm. Open WebStorm and select File->Settings->Languages ​​& Frameworks->Node.js and NPM in the main interface.

In this interface, we need to set the installation path of Node.js and the path of the Node.js package manager npm. In Windows systems, Node.js is usually installed in the C:Program Files
odejs directory, and the npm path is C:UsersUserNameAppDataRoaming
pm.

In the Node.js and NPM page of WebStorm, click the "Add" button and fill in the paths of Node.js and npm in turn. After filling in, click "OK" to save the settings.

After the setup is completed, WebStorm will automatically connect to the Node.js installation path and configure the environment. If you find that the settings are incorrect, you can return to this page to modify them at any time.

3. Use Node.js to run JavaScript files

After setting up the Node.js environment, we can directly use Node.js to run JavaScript files in WebStorm. In WebStorm, we can directly use "Run" or "Debug" to run JavaScript files. Just open the JavaScript file in WebStorm, then right-click and select "Run" or "Debug".

Before running, you need to set the running parameters of Node.js. This can be done by opening a JavaScript file and adding the following code at the top of the file:

#!/usr/bin/env node

Next, we can write the JavaScript code in the code file and run it using Node.js.

4. Use WebStorm's Node.js REPL to run JavaScript

In addition to running JavaScript files directly, WebStorm also provides a Node.js REPL (Read-Eval-Print Loop) environment, which allows us to test JavaScript code more conveniently. In WebStorm's JavaScript programming interface, select Tools->Node.js REPL to open the Node.js command line terminal.

In the Node.js REPL, we can enter JavaScript code and view the results directly. This makes debugging JavaScript code easier and faster.

5. Debug Node.js applications using WebStorm

WebStorm also provides a very powerful Node.js debugging tool that can help developers easily debug Node.js app. Turning on debugging mode in WebStorm is as simple as placing breakpoints in the code of your Node.js application. In WebStorm's debugging interface, we can step through the code, view the values ​​of variables, and use REPL commands for interactive debugging.

When debugging, we can view the output information through the WebStorm debugging console, or we can view the execution status of the code in the WebStorm interface.

Summary

Using Node.js in WebStorm allows us to develop JavaScript applications more conveniently and quickly. By setting up a Node.js environment and using the features provided by WebStorm, we can more easily debug, test, and run JavaScript code. If you are getting started with WebStorm and Node.js, I hope this article helps you.

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