mergeSkipNullish

• mergeSkipNullish

Merge multiple objects from left to right to form a new object.

Fields that are not null or undefined in the preceding objects will not be overwritten by null or undefined fields from the subsequent objects.

Added in v0.0.4

Usage

import { mergeSkipNullish } from 'parsnip-kit'

const obj1 = { a: 1, b: null, c: undefined }
const obj2 = { b: 2, c: 3, d: null }
const obj3 = { c: undefined, d: 4, e: 5 }

mergeSkipNullish(obj1, obj2, obj3) // { a: 1, b: 2, c: 3, d: 4, e: 5 }

API

Type Parameter

Arg	Type	Description
T	extends object	The type of the objects to merge

Arguments

Arg	Type	Optional	Default	Description
...objs	(T | Nullish)[]	false	undefined	The objects to merge

Returns

Type
T

Type Definition

{
  <T extends object, U extends object>(
    a: T | Nullish, b: U | Nullish
  ): SpreadSkipNullish<T, U>
  <T extends object, U extends object, V extends object>(
    a: T | Nullish, b: U | Nullish, c: V | Nullish
  ): SpreadSkipNullish<SpreadSkipNullish<T, U>, V>
  <T extends object, U extends object, V extends object, W extends object>(
    a: T | Nullish, b: U | Nullish, c: V | Nullish, d: W | Nullish
  ): SpreadSkipNullish<SpreadSkipNullish<SpreadSkipNullish<T, U>, V>, W>
  (...objs: any[]): any
}

Reference

Nullish SpreadSkipNullish