Type Alias CommonPropKeys<T, Options>

CommonPropKeys: number extends T["length"]
? ArrayPlus.CommonPropKeys<T>
: TuplePlus.CommonPropKeys<T, Options>

⚗️ transform 🔢 customization

Gets the common property keys of the elements in tuple or array T.

Type Parameters

T extends Record<KeyTypes, unknown>[]
Options extends CommonPropKeys.Options = CommonPropKeys.DefaultOptions

Example

import { CommonPropKeys } from 'type-plus'

type R = CommonPropKeys<[{ a: number }, { b: number }]> // never
type R = CommonPropKeys<[{ a: number, c: 1 }, { b: number, c: 2 }]> // 'c'

Type Param: Options['$never']

Return type when T is never. Default to never.