This-Type on Dev & Platform Engineering Hubhttps://rhidayat.work/topics/this-type/Recent content in This-Type on Dev & Platform Engineering HubHugo -- gohugo.ioen© 2026 Rachmat HidayatSun, 09 Aug 2026 14:40:00 +0000TS Ep 24: The Polymorphic `this` Type & Fluent APIshttps://rhidayat.work/series/typescript/classes-and-oop/09-the-this-type/Sun, 09 Aug 2026 14:40:00 +0000https://rhidayat.work/series/typescript/classes-and-oop/09-the-this-type/An in-depth analysis of the polymorphic <code>this</code> type in TypeScript. Learn how returning <code>: this</code> preserves subclass type identities during method chaining, build type-safe Fluent Builder APIs, and use explicit <code>this</code> parameters for callback binding safety.