Vite: A quick guide to the next generation front-end building tool

Vite is a next-generation front-end build tool developed by Yuxi You, the author of Vue.js. It has attracted widespread attention for its fast cold start, on-demand compilation, and hot update capabilities. Vite provides almost instant development environment startup speed and highly optimized development experience by leveraging the browser's native ES module import function.

Install Vite

First, make sure Node.js is installed in your system (LTS version is recommended). Then, install Vite globally through npm or yarn:

npm install -g create-vite
# Or use yarn
yarn global add create-vite

Create a new project

Use the create-vite command to create a new Vite project. Here is an example of creating a Vue project:

create-vite my-vite-project --template vue
cd my-vite-project

This will initialize a Vue 3-based Vite project.

Development and running

In the project root directory, run the following command to start the development server:

npm run dev
# Or use yarn
yarn dev

Vite will immediately start a local development server, and you can visit http://localhost:5173 in the browser to view your application. Vite supports hot module replacement (HMR), which means that when you edit the code, the browser page will be updated in real time without refreshing.

Build a production version

When you are ready to deploy the application, run the following command to build the production version:

npm run build
# Or use yarn
yarn build

This will generate an optimized, production-ready static folder, usually located in the dist directory.

Vite configuration

npm install -g create-vite
# Or use yarn
yarn global add create-vite

Vite's core features

• Quick Start: Vite leverages the browser's native ES module support to quickly start the development server without bundling, significantly improving the startup speed.
• Compile on demand: In development mode, Vite only compiles the module you are viewing, greatly speeding up the edit-refresh cycle.
• Hot Module Replacement (HMR): Vite provides a very fast HMR experience, almost seamless real-time updates.
• Simple configuration: Vite's configuration file vite.config.js is more concise than Webpack, lowering the entry threshold.
• Good compatibility: Vite supports a variety of frameworks, including Vue, React, Preact, Svelte, etc., and can easily adapt to custom configurations.
• Plugin system: Vite provides a powerful plugin system that allows developers to extend its functionality to meet specific project needs.

Advanced Exploration

• Configuration file: Although Vite's default configuration is already powerful, you can make more customizations in vite.config.js, such as configuring proxies, aliases, CSS preprocessors, etc.
• Vue DevTools: When developing Vue applications, make sure to install and enable the Vue DevTools browser extension for better debugging of application status.
• TypeScript support: If you use TypeScript in your project, Vite already supports it by default. You only need to include .ts or .tsx files in your project.
• Optimization: Learn how to use Vite's built-in optimization options and external plugins to further improve application performance.

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