Pure Ts Tour [work] May 2026

const alice: User = id: 1, name: "Alice" ; console.log(createUser(alice)); src/features/5-union-intersection.ts

// Custom type guard interface Cat meow(): void; pure ts tour

// Literal types let direction: "north" | "south" | "east" | "west"; direction = "north"; // OK // direction = "up"; // Error const alice: User = id: 1, name: "Alice" ; console

// Readonly: immutable const frozen: Readonly<Todo> = title: "Learn TS", description: "Practice", completed: false ; // frozen.completed = true; // Error const alice: User = id: 1