topkat-utils/src/is-object.ts

A comprehensive collection of TypeScript/JavaScript utility functions for common programming tasks. Includes validation, object manipulation, date handling, string formatting, and more. Zero dependencies, fully typed, and optimized for performance.

/** test if object but not array and not null (null is an object in Js) */
export function isObject(o: any): boolean { return o instanceof Object && [Object, Error].includes(o.constructor) }