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TypeScript Tuple Type Utilities

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library 5.0.1 ·javascript
verified Jun 17, 2026

typescript-tuple is a type-only utility library providing a rich set of generics for manipulating tuple types in TypeScript. The current stable version is 5.0.1. It offers various type-level operations, mimicking common array methods like `Append`, `Prepend`, `Reverse`, `Concat`, `Slice`, `Drop`, and `FillTuple`, but applied to static tuple types. This allows developers to enforce strict type safety and leverage advanced type inference when working with fixed-length or variable-length tuple structures, catching potential type mismatches at compile time rather than runtime. The library differentiates itself by focusing exclusively on type transformations, offering a comprehensive suite for tuple manipulation within TypeScript's type system itself, making it a powerful tool for complex type definitions and functional type programming.

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