MapGet

Since 1.3.0

Get the value associated with a key from a type-level map.

Signature

export type MapGet<M, K> = K extends keyof M ? M[K & keyof M] : never

Parameters

Parameter	Description
M	The type-level map
K	The key to look up

Examples

Basic Usage

import type { MapGet } from 'uni-types'

type Config = { host: string; port: number }
type Result = MapGet<Config, 'host'>
// string

Key Not Found

type Result = MapGet<Config, 'protocol'>
// never