⚡🔄 JSON to TypeScript Converter

Convert JSON to TypeScript interfaces/types instantly in VSCode and Cursor.

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🚀 Features

🔄 Instant Conversion

Convert JSON to TypeScript interfaces or types with one click.

👀 Live Preview (NEW)

Preview generated types before inserting into your code.

🧠 Smart Type Inference

• Detects nested objects
• Handles arrays intelligently
• Supports union types
• Nullable fields detection

⚡ Auto Suggest (CodeLens)

Automatically suggests conversion when opening JSON files.

📋 Clipboard Support

Convert JSON directly from your clipboard.

🎯 Flexible Output

• Interface or type
• Export support
• Optional fields
• Custom root name

🧩 Advanced Options

• Quote style (single/double)
• Readonly properties
• Semicolon control

🚀 Usage

1. Convert Selection

• Select any JSON
• Right click → Convert Selection

2. Convert File

• Open a JSON file
• Right click → Convert File

3. Convert Clipboard

• Copy JSON
• Run command: Convert from Clipboard

⚙️ Settings

⌨️ Shortcuts

🧠 Examples

Input

{
  "user": {
    "name": "John",
    "age": 30
  },
  "tags": ["dev", "ts"]
}

Output:

export interface Root {
  user: User;
  tags: string[];
}

export interface User {
  name: string;
  age: number;
}

input:

{
  "id": 1,
  "name": "John",
  "address": {
    "street": "Rua das Flores",
    "number": 42,
    "city": "São Paulo",
    "coordinates": {
      "lat": -23.5505,
      "lng": -46.6333
    }
  }
}

Output:

export interface UserAddressCoordinates {
  lat: number;
  lng: number;
}

export interface UserAddress {
  street: string;
  number: number;
  city: string;
  coordinates: UserAddressCoordinates;
}

export interface User {
  id: number;
  name: string;
  address: UserAddress;
}

• 💡 Why TypeForge?

Because writing types manually is slow, repetitive, and error-prone.

TypeForge gives you:

• ⚡ Speed

• 🧠 Accuracy

• 🧩 Flexibility

🔥 Coming Next

• Enum generation

• JSON Schema support

• API response detection

• Inline quick actions

⭐ Support

• If this extension helps you:

👉 Leave a ⭐ on GitHub

👉 Share with other developers

🤝 Contributing

# 1. Fork and clone
git clone https://github.com/wallacefrota/json-to-typescript.git
cd json-to-typescript

# 2. Install dependencies
npm install

# 3. Compile
npm run compile

# 4. Test (F5 in VSCode)

# 5. Create a branch
git checkout -b my-feature

# 6. Make your changes and commit
git commit -m "feat: my new feature"

# 7. Push and open a PR
git push origin my-feature

📄 License

This project is licensed under the MIT license.