rambdax/_ts-toolbelt/src/Object/Replace.ts

Extended version of Rambda - a lightweight, faster alternative to Ramda

import {Match} from '../Any/_Internal'
import {Is} from '../Any/Is'

/**
@hidden
*/
export type _Replace<O extends object, M extends any, A extends any, match extends Match> = {
    [K in keyof O]: {
        1: A
        0: O[K]
    }[Is<M, O[K], match>]
} & {}

/**
Update with `A` the fields of `O` that match `M`
@param O to update
@param M to select fields
@param A to update with
@param match (?=`'default'`) to change precision
@returns [[Object]]
@example
```ts
```
*/
export type Replace<O extends object, M extends any, A extends any, match extends Match = 'default'> =
    O extends unknown
    ? _Replace<O, M, A, match>
    : never