StripUndefined

Since 1.2.0

Strip undefined from object.

Signature

type StripUndefined<T> = {
  [K in keyof T as undefined extends T[K] ? never : K]: T[K]
}

Parameters

Parameter	Description
T	The object type to process

Description

Removes properties with undefined type from an object type. Useful for creating strict object types without optional properties.

Examples

Basic Usage

import type { StripUndefined } from 'uni-types'

type MyObject = {
  name: string
  optional?: string
  age: number
}

type Result = StripUndefined<MyObject>
// { name: string; age: number }

With Nullable Properties

import type { StripUndefined } from 'uni-types'

type MyType = {
  required: string
  optional?: number
  nullable: string | undefined
}

type Result = StripUndefined<MyType>
// { required: string }

Related

• StripNever - Strip never from object
• Compact - Remove never and undefined