StripNever

Since 1.2.0

Strip never from object.

Signature

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

Parameters

Parameter	Description
T	The object type to process

Description

Removes properties with never type from an object type. Useful for filtering out invalid or excluded properties.

Examples

Basic Usage

import type { StripNever } from 'uni-types'

type MyObject = {
  name: string
  invalid: never
  age: number
}

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

With Conditional Types

import type { StripNever } from 'uni-types'

type MyUnion = 'a' | 'b' | 'c'
type Filtered = {
  [K in MyUnion]: K extends 'a' ? never : K
}

type Result = StripNever<Filtered>
// { b: 'b'; c: 'c' }

Related

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