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How To Set Custom Vite Config Settings In Angular 17?

Last Updated : 23 Jul, 2025
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Vite is a powerful tool that enhances the development experience for web applications, especially large and complex applications. Angular doesn’t use Vite by default; it uses the Angular CLI and Webpack for build tooling. However, you can configure Angular to use Vite instead of Webpack with a bit of setup. Here’s a guide to integrating Vite into an Angular project:

Prerequisites

Approach

  • After the initial setup, install Vite in your application.
  • We will create a vite.config.ts file containing the configuration settings for vite.
  • We will update index.html and package.json as per Vite.

Steps To Set Custom Vite Config Settings In Angular

Step 1: Set Up a New Angular Project

First, create a new Angular project if you haven’t already:

ng new vite
cd vite

Step 2: Install Vite and Related Dependencies

You’ll need to add Vite and some additional packages for Vite to work with Angular. Install them using npm or yarn:

npm install --save-dev vite vite-tsconfig-paths

Step 3: Create a Vite Configuration File

In the root of your Angular project, create a vite.config.ts file. This file will contain the configuration settings for Vite.

import { defineConfig } from 'vite';
import viteTsconfigPaths from 'vite-tsconfig-paths';

export default defineConfig({
    plugins: [
        viteTsconfigPaths(),
    ],
    server: {
        port: 4200,
    },
    build: {
        outDir: 'dist',
    },
});

Folder Structure

Screenshot-2024-08-21-092143
Folder Structure

Dependencies

"dependencies": {
    "@angular/animations": "^17.3.0",
    "@angular/common": "^17.3.0",
    "@angular/compiler": "^17.3.0",
    "@angular/core": "^17.3.0",
    "@angular/forms": "^17.3.0",
    "@angular/platform-browser": "^17.3.0",
    "@angular/platform-browser-dynamic": "^17.3.0",
    "@angular/platform-server": "^17.3.0",
    "@angular/router": "^17.3.0",
    "@angular/ssr": "^17.3.0",
    "express": "^4.18.2",
    "rxjs": "~7.8.0",
    "tslib": "^2.3.0",
    "zone.js": "~0.14.3"
}

Step 4: Modify index.html

index.html: Vite requires an index.html file at the root of your project. You might need to modify or create this file to fit your Angular project structure. Ensure it includes the necessary <script> tags for your application.

HTML 
<!--index.html-->

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport"
     content="width=device-width,
      initial-scale=1.0">
    <title>My Angular App</title>
</head>

<body>
    <app-root></app-root>
    <script type="module" src="/src/main.ts"></script>
</body>

</html>

Step 5: Add Scripts to package.json

Modify the scripts section of your package.json to use Vite for development and build tasks:

"scripts": {
    "start": "vite",
    "build": "vite build",
    "serve": "vite preview"
}

Step 6: Run Your Application

Now you can start your application with Vite:

npm start

Output

Screenshot-2024-08-21-092840
Output of Custom Vite Config Settings

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