Vue.js Application Documentation

Complete guide for your Vue 3 application with Composition API

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Introduction

Welcome to the Vue.js application documentation. This comprehensive guide will help you understand, install, configure, and extend your Vue 3 application.

Our Vue application provides a robust, scalable solution built with the latest Vue 3 features including Composition API, Script Setup, and Reactivity Transform. Whether you're a beginner or an experienced developer, this documentation will guide you through every aspect.

Features

Vue 3

Built with Vue 3 and Composition API for better code organization.

Composables

Reusable composition functions for logic sharing across components.

Vue Router

Official routing library with nested routes and navigation guards.

Pinia Store

Modern state management with Pinia, the official Vue store.

Vite

Lightning-fast development with Vite build tool.

Testing

Comprehensive testing with Vitest and Vue Test Utils.

System Requirements

Before installing, ensure your system meets these requirements:

Node.js

Node.js 16.x or higher

Package Manager

NPM 8+ or Yarn 1.22+ or PNPM 7+

Git

Git version control (recommended)

Code Editor

VS Code with Volar extension

Tip: Install Volar extension for VS Code to get the best Vue 3 development experience.

Quick Start

1
Create New Project

Create a new Vue 3 project using create-vue or clone existing.

# Create new project with create-vue
npm create vue@latest

# Or clone existing
git clone https://github.com/yourapp/vue-app.git
cd vue-app
2
Install Dependencies

Install all required packages using your preferred package manager.

# Using NPM
npm install

# Using Yarn
yarn install

# Using PNPM
pnpm install
3
Environment Setup

Configure your environment variables.

# Copy environment file
cp .env.example .env

# Edit with your settings
VITE_API_URL=https://api.yourdomain.com
VITE_APP_TITLE=My Vue App
4
Start Development Server

Launch the Vite development server.

# Start the development server
npm run dev

# Or with other package managers
yarn dev
pnpm dev

Visit http://localhost:5173 in your browser!

Project Structure

Understanding the Vue 3 project structure:

vue-app/
├── public/               # Static assets
│   └── favicon.ico
├── src/
│   ├── components/      # Vue components
│   │   ├── common/
│   │   └── features/
│   ├── views/           # Page views (routes)
│   │   ├── Home.vue
│   │   └── About.vue
│   ├── composables/     # Composition functions
│   │   ├── useAuth.js
│   │   └── useFetch.js
│   ├── stores/          # Pinia stores
│   │   └── user.js
│   ├── router/          # Vue Router config
│   │   └── index.js
│   ├── services/        # API services
│   │   └── api.js
│   ├── utils/           # Utility functions
│   ├── assets/          # Assets (images, styles)
│   ├── App.vue          # Root component
│   └── main.js          # Entry point
├── package.json         # Dependencies
├── vite.config.js       # Vite configuration
└── README.md           # Documentation

NPM Scripts

Available Commands

Command Description
npm run dev Start Vite development server on port 5173
npm run build Build production-ready optimized bundle
npm run preview Preview production build locally
npm run test Run test suite with Vitest
npm run lint Run ESLint to check code quality
npm run format Format code with Prettier