Posts tagged “immutability”
2 posts found
TypeScript readonly Arrays and Tuples: When Immutability Saves You and When It Fights You
July 30, 2026
Most readonly bugs stem from shallow enforcement and type widening. Learn when TypeScript's readonly protects your arrays and tuples—and when it silently fails.
typescriptreadonlyimmutability+2
TypeScript const Type Parameters: Immutable Inference and When It Beats as const
July 15, 2026
Most TypeScript type widening problems in generic functions stem from a single overlooked feature: const type parameters. Learn when they beat as const and how to combine them with satisfies for maximum type safety.
typescripttype-inferencegenerics+2