Diana Stoyka

A lot has changed across the v1.9.x releases.

• Added stricter and more accurate Prisma & Sequelize error detection

• Added configurable errorClasses support for Prisma and Sequelize

• Improved Sequelize connection error mapping

• Improved production-safe error responses across Zod, Joi, express-validator, Mongoose, Prisma, Sequelize, and JWT

• Added separate JWT error handling to prevent sensitive details from leaking in production

• Improved TypeScript definitions and fixed several missing types

• Fixed ESM imports and Prisma initialization error detection

• Improved development logs and expanded test coverage

• Updated documentation around configuration, "NODE_ENV", library errors, and mapper behaviour

• Added missing "jwt" property for "needMappers"

• Fixed "needMappers" being incorrectly typed as a single string union instead of an array

• Updated "asyncHandler" to preserve Express generic request types

• Additional README updates

Version 1.8.0 January 11, 2026

• Added support for user-provided error classes in custom mappers (Zod, Joi).

• Added the ability to enable only selected mappers via configuration, reducing unnecessary checks.

• Added rate limiting for the logger.

• Fixed incorrect logic in the express-validator mapper.

• Expanded supported Prisma errors: P2005, P2006, P2007, P2011, P2027.

• Improved validation logic for mongoose and sequelize mappers.

Released v1.7.0 of ds-express-errors.

What s new:

• Added express-validator error mapping

• Improved Mongoose and Prisma error checks

• Safer setConfig validation

• Logger bug fix and internal refactoring