rambda/_ts-toolbelt/src/Object/Modify.ts

Lightweight faster alternative to Ramda

import {At} from './At'
import {Replace} from '../Union/Replace'
import {x} from '../Any/x'
import {Exclude} from '../Union/Exclude'

/** Modify **`O`** with **`OMod`** & the **`x`** placeholder
 * @param O to copy from
 * @param OMod to copy to
 * @returns **`object`**
 * @example
 * ```ts
 * ```
 */
export type Modify<O extends object, OMod extends object> = {
    [K in keyof OMod]: Replace<OMod[K], x, Exclude<At<O, K>, undefined>>
} & {}