core-js/internals/typed-array-constructors-require-wrappers.js

'use strict';
/* eslint-disable no-new -- required for testing */
var global = require('../internals/global');
var fails = require('../internals/fails');
var checkCorrectnessOfIteration = require('../internals/check-correctness-of-iteration');
var NATIVE_ARRAY_BUFFER_VIEWS = require('../internals/array-buffer-view-core').NATIVE_ARRAY_BUFFER_VIEWS;

var ArrayBuffer = global.ArrayBuffer;
var Int8Array = global.Int8Array;

module.exports = !NATIVE_ARRAY_BUFFER_VIEWS || !fails(function () {
  Int8Array(1);
}) || !fails(function () {
  new Int8Array(-1);
}) || !checkCorrectnessOfIteration(function (iterable) {
  new Int8Array();
  new Int8Array(null);
  new Int8Array(1.5);
  new Int8Array(iterable);
}, true) || fails(function () {
  // Safari (11+) bug - a reason why even Safari 13 should load a typed array polyfill
  return new Int8Array(new ArrayBuffer(2), 1, undefined).length !== 1;
});