Function hasOwn

packages/shared/src/general.ts:34–37

(
  val: object,
  key: string | symbol,
)

const hasOwnProperty = Object.prototype.hasOwnProperty
export const hasOwn = (
  val: object,
  key: string | symbol,
): key is keyof typeof val => hasOwnProperty.call(val, key)

export const isArray: typeof Array.isArray = Array.isArray
export const isMap = (val: unknown): val is Map<any, any> =>