Kysely
A type-safe and autocompletion-friendly TypeScript SQL query builder for Node.js, Deno, Bun, and browsers.
What is Kysely?
Kysely is a type-safe SQL query builder for TypeScript that provides compile-time validation and autocompletion for database queries. It solves the problem of runtime SQL errors by ensuring that all table and column references are valid at compile time, and it accurately types query results. It supports multiple SQL dialects and runs across various JavaScript environments.
TypeScript developers building applications with relational databases who need a reliable, type-safe way to construct SQL queries without using a full ORM.
Developers choose Kysely for its robust type safety, excellent IDE autocompletion, and flexibility across SQL dialects and JavaScript runtimes, offering a lightweight alternative to ORMs with fewer runtime surprises.
Overview
A type-safe TypeScript SQL query builder
Use Cases
Best For
- Building TypeScript backends with PostgreSQL or MySQL that require type-safe database access
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