Posts with #30DaysOfTypeScript
Public posts on X that use #30DaysOfTypeScript.
ΣC 💜💛 @devFemzy🧠 Day 3: Type Inference — Let TypeScript Think for You Let TypeScript infer locals; only annotate boundaries (params/returns). Full Guide 👉 #TypeScript #Nextjs #30DaysOfTypeScript
ΣC 💜💛 @devFemzy🧩 Day 2 — Primitives & Type Annotations TypeScript gives your variables a voice. No more guessing what’s string or number. ✅ string | number | boolean | null | undefined | bigint | symbol ✅ Always type params & returns ✅ No implicit any Full guide 👉 #TypeScript #30DaysOfTypeScript #Nextjs
ΣC 💜💛 @devFemzy🧠 Day 4: Object Shapes in TypeScript Objects, readonly, Optional Props & Index Signatures. Full Guide 👉 #TypeScript #JavaScript #30DaysOfTypeScript
ΣC 💜💛 @devFemzy🧠 Day 5/30: Arrays & Tuples Today we master sequences: flexible arrays and position-aware tuples—plus how readonly protects both. Full Guide 👉 If you’re following along, tweet your setup screenshot or your progress with #30DaysOfTypeScript and tag me
ΣC 💜💛 @devFemzy🧠 Day 10/30: type vs interface Prefer type for unions & utilities; interface for OO/merge cases. Both describe shapes — choose the one that fits your intent. Full Guide 👉 #TypeScript #30DaysOfTypeScript
ΣC 💜💛 @devFemzy🧠 Day 9 — Type Narrowing & Control-Flow Analysis Type Narrowing & Control-Flow Analysis are how TypeScript turns “maybe” types into the exact thing you can safely use.... Full Guide 👉 #TypescriptIn30Days #30DaysOfTypeScript
ΣC 💜💛 @devFemzy🧠 Day 7 — Literal Types & Enums (and why as const often wins) 30 Days of Mastering TypeScript — by devFemzy Today we dial in the precision by learning literal types, const assertions (as const), and when to use enums vs const objects. Full guide 👉 Quote your progress, Tag me, Let's grow together!
ΣC 💜💛 @devFemzy🧠 Day 11/30 — Generics Basics Write reusable functions without losing type safety. <T> lets your code stay flexible — but still smart. Let’s master Generics 👇 #TypeScript #30DaysOfTypeScript
ΣC 💜💛 @devFemzy🧠Day 13 — Utility Types I (Built-ins) 30 Days of Mastering TypeScript by devFemzy Covered 20+ TypeScript utility types — from Partial & Pick to Awaited & ReturnType. These tiny built-ins reshape, filter, and reflect types so you write less code with more safety. #TypeScript #30DaysOfTypeScript
ΣC 💜💛 @devFemzy🧠 Day 14 — Utility Types II (Mapped Types) 30 Days of Mastering TypeScript by devFemzy A Mapped Type lets you create a new type by taking the keys of another type and transforming them in some way. #TypeScript #30DaysOfTypeScript
