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is-empty-iterable

v3.0.0

Published

Check if an Iterable is empty

Downloads

18,811

Vulnerabilities

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  • 0Low

Links

Git

Maintainers

sindresorhussindresorhus

Keywords

iterableemptyiterablesarraysizelengthlistischeck

Readme

is-empty-iterable

Check if an Iterable is empty

More efficient than Array.from(iterable).length, as it only iterates the first item, which can make a big difference for dynamic iterators, like a Generator doing an expensive operation.

Install

$ npm install is-empty-iterable

Usage

import isEmptyIterable from 'is-empty-iterable';

isEmptyIterable([]);
//=> true

isEmptyIterable(new Set([1, 2]));
//=> false

API

isEmptyIterable(iterable)

Returns a boolean.

iterable

Type: Iterable