Skip to main content

cycle

cycle() function​

Returns Iterable/AsyncIterable that infinitely repeats the given Iterable/AsyncIterable

Signature: 
declare function cycle<A extends Iterable<unknown> | AsyncIterable<unknown>>(iter: A): ReturnIterableIteratorType<A>;

Example​

const iter = cycle("abc")
iter.next(); // {value:"a", done: false}
iter.next(); // {value:"b", done: false}
iter.next(); // {value:"c", done: false}
iter.next(); // {value:"a", done: false}
iter.next(); // {value:"b", done: false}

// with pipe
pipe(
  cycle([1,2,3,4]),
  take(5),
  toArray,
); // [1,2,3,4,1]

Open Source Code