Utility-Types on Dev & Platform Engineering Hub

TS Ep 37: Built-in Utility Types (`ReturnType` & `Parameters`)

Sun, 09 Aug 2026 12:15:00 +0000

An in-depth guide to ReturnType<T> and Parameters<T>. Learn how to reverse-engineer third-party library functions, the requirement of typeof, tuple indexing to extract specific arguments, and the underlying infer keyword mechanics powering these utilities.

TS Ep 36: Built-in Utility Types (`Extract` and `Exclude`)

Sun, 09 Aug 2026 12:10:00 +0000

An in-depth guide to the Extract and Exclude utility types. Understand the fundamental difference between Object manipulation (Pick/Omit) and Union manipulation (Extract/Exclude), extracting by object signature in discriminated unions, and their underlying distributive conditional type mechanics.

TS Ep 35: Built-in Utility Types (`Record`)

Sun, 09 Aug 2026 12:05:00 +0000

An in-depth look at the Record<K, V> utility type. Learn how to type arbitrary string dictionaries, enforce exhaustive key mapping using Unions, and combine Record with other utilities to model complex domain configurations.

TS Ep 34: Built-in Utility Types (`Pick` and `Omit`)

Sun, 09 Aug 2026 12:00:00 +0000

An in-depth guide to Pick and Omit utility types in TypeScript. Learn under-the-hood mapped type implementations (Pick via mapped types, Omit via Exclude), key constraints differences, building public API DTOs, and the selection decision matrix.

TS Ep 33: Built-in Utility Types (`Partial`, `Required`, `Readonly`)

Sun, 09 Aug 2026 11:55:00 +0000

An in-depth analysis of TypeScript’s foundational object utility types. Learn how Partial<T>, Required<T>, and Readonly<T> transform property modifiers, their under-the-hood mapped type implementations (?, -?, readonly), and shallow immutability limits.