UNPKG

merge-anything

Version:

Merge objects & other types recursively. A simple & small integration.

18 lines (17 loc) 1.09 kB
import type { Assign } from './typeUtils/Assign.js'; import type { Pop } from './typeUtils/List.js'; import type { PrettyPrint } from './typeUtils/PrettyPrint.js'; /** * The return type of `merge()`. It reflects the type that is returned by JavaScript. * * This TS Utility can be used as standalone as well */ export type Merge<T, Ts extends unknown[]> = T extends Record<string | number | symbol, unknown> ? Ts extends Record<string | number | symbol, unknown>[] ? PrettyPrint<Assign<T, Ts>> : Pop<Ts> : Pop<Ts>; /** * Merge anything recursively. * Objects get merged, special objects (classes etc.) are re-assigned "as is". * Basic types overwrite objects or other basic types. */ export declare function merge<T, Tn extends unknown[]>(object: T, ...otherObjects: Tn): Merge<T, Tn>; export declare function mergeAndCompare<T, Tn extends unknown[]>(compareFn: (prop1: unknown, prop2: unknown, propName: string | symbol) => any, object: T, ...otherObjects: Tn): Merge<T, Tn>; export declare function mergeAndConcat<T, Tn extends unknown[]>(object: T, ...otherObjects: Tn): Merge<T, Tn>;