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Does TS have parameterised enums? Can you give an example?

• MrJohz 2y ago
  It's not an explicit feature, but a combination of arbitrary records, sum types, and type narrowing: type Animal = | { species: "dog", name: string, catsChased: number } | { species: "cat", name: string } const animal: Animal = ... // Available in all cases console.log(animal.name) if (animal.species === "dog") { // Can access dog attrs here console.log(animal.catsChased) } // ERROR: catsChased only exists for dog and not for cat animal.catsChased