Parameters on Dev & Platform Engineering Hubhttps://rhidayat.work/topics/parameters/Recent content in Parameters on Dev & Platform Engineering HubHugo -- gohugo.ioen© 2026 Rachmat HidayatSun, 09 Aug 2026 12:15:00 +0000TS Ep 37: Built-in Utility Types (`ReturnType` & `Parameters`)https://rhidayat.work/series/typescript/intermediate/13-utility-type-returntype-parameters/Sun, 09 Aug 2026 12:15:00 +0000https://rhidayat.work/series/typescript/intermediate/13-utility-type-returntype-parameters/An in-depth guide to <code>ReturnType&lt;T&gt;</code> and <code>Parameters&lt;T&gt;</code>. Learn how to reverse-engineer third-party library functions, the requirement of <code>typeof</code>, tuple indexing to extract specific arguments, and the underlying <code>infer</code> keyword mechanics powering these utilities.