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  • Writer's pictureMarko Reljić

Streamlining Feature Development in React with Node.js Automation

In the realm of software development, particularly within complex frameworks like React, maintaining a clean and consistent project structure is paramount. To achieve this, automation of repetitive tasks like setting up new features can drastically improve efficiency, reduce errors, and ensure uniformity. In this blog post, we will explore how to use a Node.js script to automate the creation of feature structures in a React application, and discuss how this approach can be adapted to other frameworks or languages.

Understanding the Automation Script

The provided Node.js script uses the `fs` (File System) and `path` modules to create directories and files based on configurations defined in a JSON file. This script simplifies the addition of new features by automatically setting up the necessary file structure and boilerplate code.

Here's the script:

const fs = require('fs');
const path = require('path');
const config = require('./generate.json');
function createDirectory(basePath, name = '') {
  const dirPath = path.join(basePath, name);
  fs.mkdirSync(dirPath, { recursive: true });
function createFile(filePath, content = '', featureName) {
  const featureNameLower = featureName.toLowerCase();
  const featureNameUpper = featureName.charAt(0).toUpperCase() + featureName.slice(1);
  const filledContent = content
    .replace(/{FeatureName}/g, featureNameUpper)
    .replace(/{featureNameLower}/g, featureNameLower);
  fs.writeFileSync(filePath, filledContent);
function createFeature(featureName) {
  const featureNameLower = featureName.toLowerCase();
  const featureNameUpper = featureName.charAt(0).toUpperCase() + featureName.slice(1);
  const featureBaseDir = path.join(__dirname, config.baseDir, featureNameLower);
  config.subDirs.forEach((dir) => {
    createDirectory(featureBaseDir, dir);
  config.files.forEach((file) => {
    const filePath = path.join(
        .replace(/{featureNameLower}/g, featureNameLower)
        .replace(/{FeatureName}/g, featureNameUpper)
    createFile(filePath, file.content, featureName);


const featureName = process.argv[2];
if (!featureName) {
  console.error('Please provide a feature name.');

Configuration File (`generate.json`)

The `generate.json` file serves as the blueprint for the directory and file structure. Here's an example of what this configuration might look like:

  "baseDir": "src/features",
  "subDirs": ["api", "components", "hooks", "services", "context", "components/Example"],
  "files": [
      "path": "{featureNameLower}/types.ts",
      "content": "// Define types for the feature\n"

How the Configuration Works

- `baseDir`: Specifies the base directory where new features will be added.

- `subDirs`: Lists all the subdirectories that should be created under each feature's folder.

- `files`: Defines the path and template content for each file to be created. Placeholders like `{FeatureName}` and `{featureNameLower}` are replaced dynamically based on the feature name provided.

Certainly! Let's update the section to include a reminder about adding the script to `package.json` to enable usage with npm and Yarn:

How to Use the Feature Creation Script

Once you've added the script into your `package.json`, using it becomes straightforward. Below are the steps to follow, including a reminder to set up your `package.json` correctly:

1. Install Node.js: Make sure Node.js is installed on your system.

2. Prepare the Script and Configuration: Place the `generate.json` file and the `createFeature.js` script in your project's root directory, typically within a scripts folder.

3. Update `package.json`: To use the script with npm or Yarn, you need to add a new entry under the `scripts` section of your `package.json`. Here’s how you do it:

"scripts": {
  "create-feature": "node scripts/createFeature.js"

This configuration allows the script to be run with npm or Yarn commands. Adjust the path (`scripts/createFeature.js`) based on where you've placed the script in your project.

4. Run the Script: After setting up `package.json`, you can run the script either directly using Node.js or via npm/Yarn. Here are the commands:

- Using Node.js:

node path/to/createFeature.js "UserProfile"

- Using npm:

npm run create-feature "UserProfile"

- Using Yarn:

yarn create-feature "UserProfile"

Each of these commands will set up a new feature called "UserProfile" with all the specified directories and files, utilizing the convenience and ease of use provided by npm and Yarn commands.

Benefits and Adaptability

- Consistency and Error Reduction: Automates the setup process, ensuring all features follow the same structure.

- Developer Efficiency: Saves time and lets developers focus on feature development rather than setup tasks.

- Scalability: Simplifies the process of scaling applications by standardizing feature additions.

- Flexibility for Other Frameworks: While tailored for React, this script can be adapted for any framework by modifying the `generate.json` file to fit the specific file structure and templates required.


Automating feature creation in React or any other development framework can greatly enhance project consistency, developer efficiency, and overall code quality. By using a simple Node.js script and a JSON configuration file, teams can ensure that each new feature starts off on the right foot with all necessary files and directories in place, allowing them to dive straight into the creative aspects of development.

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