@nick/is/iterable-iterator

isIterableIterator

Signature

function isIterableIterator<T>(it: unknown): it is IterableIterator<T>;

Checks if a given value is an IterableIterator, which is an iterator object that also has a Symbol.iterator method that returns a reference to itself.

Parameters

Name	Info
it	The value to check.

Returns

true if the value is an IterableIterator, false otherwise.

Category

Iterables

Examples

import { isIterableIterator } from "jsr:@nick/is/iterable-iterator";

const iter = [1, 2][Symbol.iterator](); // Array iterator
console.log(isIterableIterator(iter)); // true
console.log(isIterableIterator(iter[Symbol.iterator]())); // true
console.log(isIterableIterator("foo"[Symbol.iterator]())); // false