🎥 Demo

Demo

📖 What is Spring Initializer?

Spring Initializer is a VS Code extension that brings the full power of Spring Initializr directly into your editor. Generate complete Spring Boot projects with dependencies, build configuration, and project metadata — all from a beautiful, modern interface that feels just like IntelliJ IDEA.

No more switching to your browser. No more downloading and extracting ZIP files manually. Just configure, click, and start coding.

✨ Features

🎯 Full Spring Initializr integration — all versions, all dependencies
🎨 Beautiful modern UI with dark & light theme support
🚀 One-click project generation — from form to open project in seconds
📦 All build tools — Maven, Gradle (Groovy & Kotlin DSL)
☕ All JVM languages — Java, Kotlin, Groovy
📚 300+ dependencies — searchable, categorized, with descriptions
🔄 Live theme sync — automatically matches your VS Code theme
⚡ Status bar shortcut — always one click away
📁 Right-click integration — generate directly into any folder
🛡️ Offline-ready validation — checks ZIP integrity before extracting

🚀 Quick Start

Installation

1. Open VS Code
1. Go to Extensions (Ctrl+Shift+X)
1. Search for "Spring Initializer"
1. Click Install
Or install via command line:

code --install-extension qewr1324.spring-initializer

🚀 Usage

Method	How
Status Bar	Click `$(project) Spring Initializer` in the bottom bar
Command Palette	`Ctrl+Shift+P` → `Spring Initializer: New Project`
Right-click	Right-click any folder → `Spring Initializer: New Project`

Alternative ways to launch

📁 Project Structure

spring-initializer/
├── 📄 package.json              # Extension manifest
├── 📄 tsconfig.json             # TypeScript configuration
├── 📁 src/                      # Extension source code
│   ├── 📄 extension.ts          # Entry point & command registration
│   ├── 📄 apiService.ts         # Spring Initializr API client
│   └── 📄 springInitializerPanel.ts  # Webview panel logic
├── 📁 media/                    # Webview assets
│   ├── 🎨 styles.css            # Complete UI stylesheet (dark + light)
│   └── 📜 main.js               # Frontend logic
├── 📁 res/                      # Icons & images
│   └── 🖼️ spring-icon-big.png    # Extension icon
└── 📁 dist/                     # Compiled output
    └── 📄 extension.cjs

📊 Project Statistics

Metric	Value
📦 Dependencies	300+
🎨 UI Themes	Dark + Light (auto-synced)
☕ Languages	Java, Kotlin, Groovy
🔨 Build Tools	Maven, Gradle (Groovy/Kotlin)
📦 Packaging	Jar, War
☕ Java Versions	11, 17, 21, 25, 26

🔌 API Integration

This extension uses the official Spring Initializr API:
Metadata endpoint: /metadata/config?platform=web
Project generation: /starter.zip
All requests use IPv4 for maximum compatibility. Response validation includes ZIP magic number verification (PK signature)

🛠️ Development

Prerequisites

Bun >= 1.0
VS Code >= 1.85
Node.js >= 20

# Clone the repository
git clone https://github.com/qewr1324/spring-initializer.git
cd spring-initializer

# Install dependencies
bun install

# Build the extension
bun run build

# Open in VS Code
code .