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Generador de Interfaces JSON a TypeScript

Genera interfaces y tipos TypeScript limpios a partir de datos JSON con objetos y arrays anidados.

Resumen Rápido: Convierte JSON a interfaces de TypeScript online gratis. Compatible con React, Next.js, Angular y Vue.
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What is Generador de Interfaces JSON a TypeScript?

JSON to TypeScript Generator automatically analyzes your JSON API payloads and infers strong TypeScript interfaces and types. Handles deeply nested objects, heterogeneous arrays, and PascalCase interface naming.

Unlike traditional online utilities that upload your sensitive payloads to a remote server, TechnoLila's Generador de Interfaces JSON a TypeScript executes 100% locally in your web browser using modern JavaScript APIs, HTML5 Canvas, and SVG vector rendering. No barcodes, asset IDs, Wi-Fi credentials, tokens, or proprietary payloads ever leave your device.

How to Use Generador de Interfaces JSON a TypeScript Online

1. Paste your JSON payload into the input box.
2. Specify your root interface name (e.g. UserProfile, ApiResponse).
3. Choose between Interface or Type Alias mode.
4. Copy the generated TypeScript type definitions.

Generador de Interfaces JSON a TypeScript Example

Example Input:
{"id": 1, "name": "Jane", "roles": ["admin", "editor"], "settings": {"darkMode": true}}
Example Output:
export interface User {
  id: number;
  name: string;
  roles: string[];
  settings: UserSettings;
}

export interface UserSettings {
  darkMode: boolean;
}

Common Use Cases

• Frontend Development: Create type-safe API client interfaces in React, Next.js, Vue, and Angular.
• GraphQL & REST Schema Modeling: Rapidly prototype typed DTOs from sample responses.

Common Mistakes & Gotchas

• Pasting invalid JSON (e.g. unquoted keys) — run through JSON Formatter first if parsing fails.

Frequently Asked Questions

How does it handle null or mixed-type arrays in JSON?

It creates union types (e.g., (string | number)[] or string | null) to accurately reflect potential variations in your data.

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