[ts: Object.hasOwn] Force infer object prop with check by Object.hasOwn. #ts

object-has.ts

/**
 * Force infer object prop with check by Object.hasOwn
 *
 * @link https://github.com/microsoft/TypeScript/issues/47450#issuecomment-1013737149
 * @link https://javascript.plainenglish.io/in-vs-hasown-vs-hasownproperty-in-javascript-885771d2d100
 *
 * @example
 *   const myObject = { hello: 'world' }
 *   const input = prompt('enter key')!
 *
 *   if (objectHas(myObject, input)) {
 *     console.log(input)
 *                 ~~~~~ infer 'hello'
 *   }
 */
export const objectHas = <T extends object>(
  object: T,
  key: string | number | symbol,
): key is keyof T => Object.hasOwn(object, key)