ts-expect
Utilities for asserting expected TypeScript types.
What it does
Utilities for asserting expected TypeScript types.
When it fits
Checking that public types behave as intended during compilation.
Other options in this category
- Effect — Structuring asynchronous work, errors, dependencies, and resource lifecycles.
- Total TypeScript TSConfig — Starting projects with consistent compiler settings.
- True Myth — Representing absence and failure explicitly in TypeScript application logic.
- ts-pattern — Expressing structured branching with exhaustive matching over TypeScript values.
- ts-toolbelt — Building complex type transformations from reusable type-level operations.
Source
Project source for ts-expect ↗
Editorial overview reviewed on October 24, 2026. Follow the source for current setup, compatibility, and licensing.