i18n-js/src/helpers/inferType.ts

A small library to provide I18n on JavaScript.

/**
 * Return object type.
 *
 * @private
 *
 * @param {unknown} instance The object that will be inspected.
 *
 * @returns {string} The object's type.
 */
export function inferType(instance: unknown): string {
  if (instance === null) {
    return "null";
  }

  const type = typeof instance;

  if (type !== "object") {
    return type;
  }

  return (instance as any)?.constructor?.name?.toLowerCase() || "object";
}