// Distributed conditional types (runtime illustration) const s: string = "x"; const n: number = 10; const arr1 = [s]; // string[] const arr2 = [n]; // number[] console.log(JSON.stringify(arr1)); console.log(JSON.stringify(arr2)); // Filter strings from a union-like array at runtime const mixed = ["a", "b", 1, 2, "c"]; const onlyStrings = mixed.filter((v) => typeof v === "string"); console.log(JSON.stringify(onlyStrings));