hasKey

function Object.hasKey<T extends object, U extends KeysOfUnion<T>>(
    target: T,
    key: U,
): target is HasKey<T, U>

Checks if target object has the specified key property.

Example

data-first

import { Object } from "@monstermann/object";

Object.hasKey({ a: 1, b: 2 }, "a"); // true
Object.hasKey({ a: 1, b: 2 }, "c"); // false

data-last

import { Object } from "@monstermann/object";

pipe({ a: 1, b: 2 }, Object.hasKey("a")); // true
pipe({ a: 1, b: 2 }, Object.hasKey("c")); // false