Generate TypeScript Types from Database Records
Convert JSON-exported database records or ORM query results into TypeScript interfaces for data layer typing.
export interface User {
id: number;
name: string;
email: string;
isActive: boolean;
score: number;
tags: string[];
address?: null;
}
export interface Root {
user: User;
createdAt: string;
version: number;
}Database tips
Export a sample row from your database as JSON and generate a TypeScript interface that matches the record shape — ready to use in your repository layer.
For Prisma, Drizzle, or TypeORM users: generated interfaces can serve as documentation or as a starting point for manually defined model types.
Database timestamps often come as strings in JSON ("2024-01-15T10:30:00Z"). Generated interfaces use "string" — consider manually changing these to "Date" in your codebase.
Relational data joined into a nested JSON object (e.g., user.orders[]) generates nested interfaces that mirror your join query structure automatically.
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