Function uniqueOn

Filter items in the iterator such that no two items fulfill the same predicate.

import { pipe } from "yta";
import { of, toArray, uniqueOn } from "yta/sync";

pipe(
  of(
    { id: 1, type: "a" },
    { id: 2, type: "b" },
    { id: 3, type: "a" },
    { id: 4, type: "c" },
  ),
  uniqueOn(({ type }) => type),
  toArray(),
);
// => [
//   { id: 1, type: "a" },
//   { id: 2, type: "b" },
//   { id: 4, type: "c" },
// ]
Copy