Function baseIsNative

src/shared/functions/toArray.js:427–434

* The base implementation of `_.isNative` without bad shim checks. * * @private * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a native function, * else `false`.

(value)

 *  else `false`.
 */
function baseIsNative(value) {
  if (!isObject(value) || isMasked(value)) {
    return false;
  }
  const pattern =
    isFunction(value) || isHostObject(value) ? reIsNative : reIsHostCtor;
  return pattern.test(toSource(value));
}

/**
 * The base implementation of `_.keys` which doesn't treat sparse arrays as dense.