UNPKG

@stdlib/assert-is-collection

Version:

Test if a value is a collection.

45 lines (37 loc) 1.11 kB
/* * @license Apache-2.0 * * Copyright (c) 2019 The Stdlib Authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ // TypeScript Version: 4.1 /// <reference types="@stdlib/types"/> import { Collection } from '@stdlib/types/array'; /** * Tests if a value is a collection. * * @param value - value to test * @returns boolean indicating whether a value is a collection * * @example * var bool = isCollection( [] ); * // returns true * * @example * var bool = isCollection( {} ); * // returns false */ declare function isCollection( value: any ): value is Collection; // EXPORTS // export = isCollection;