"use strict";

const curry = require("../fp/curry");

const isNil = require("./nullOrUndefined");
/**
 * @desc check instanceof
 * @since 5.0.0-beta.4
 * @memberOf is
 * @curried 2
 *
 * @param  {Object} instanceToCheckAgainst check the second arg against this
 * @param  {Object} isThisInstanceOfThat check this against first arg
 * @return {boolean} arg2 instanceof arg1
 *
 * @see http://documentcloud.github.io/underscore-contrib/#isinstanceof
 * @see https://github.com/lodash/lodash/issues/620
 * @see https://github.com/ramda/ramda/commit/9d4cb895595aca3d83ce0a4b10416ae7302bd8ac
 * @see https://github.com/ramda/ramda/blob/v0.24.1/src/is.js
 *
 * @example
 *
 *  const isObjInstance = instanceOf(Object)
 *  isObjInstance({})
 *  //=> true
 *
 *  const isArrInstance = instanceOf(Array)
 *  isArrInstance({})
 *  //=> false
 *
 *  isArrInstance(new Array)
 *  //=> true
 *
 */


function instanceOf(instanceToCheckAgainst, isThisInstanceOfThat) {
  return !isNil(instanceToCheckAgainst) && !isNil(isThisInstanceOfThat) && isThisInstanceOfThat instanceof instanceToCheckAgainst; // || arg1.constructor === arg2
}

module.exports = curry(2, instanceOf);