es.typed-array.last-index-of.js

'use strict';
var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
var apply = require('../internals/function-apply');
var $lastIndexOf = require('../internals/array-last-index-of');

var aTypedArray = ArrayBufferViewCore.aTypedArray;
var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;

// `%TypedArray%.prototype.lastIndexOf` method
// https://tc39.es/ecma262/#sec-%typedarray%.prototype.lastindexof
exportTypedArrayMethod('lastIndexOf', function lastIndexOf(searchElement /* , fromIndex */) {
  var length = arguments.length;
  return apply($lastIndexOf, aTypedArray(this), length > 1 ? [searchElement, arguments[1]] : [searchElement]);
});