core-js/modules/es.typed-array.to-locale-string.js

Standard library

'use strict';
var globalThis = require('../internals/global-this');
var apply = require('../internals/function-apply');
var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
var fails = require('../internals/fails');
var arraySlice = require('../internals/array-slice');

var Int8Array = globalThis.Int8Array;
var aTypedArray = ArrayBufferViewCore.aTypedArray;
var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
var $toLocaleString = [].toLocaleString;

// iOS Safari 6.x fails here
var TO_LOCALE_STRING_BUG = !!Int8Array && fails(function () {
  $toLocaleString.call(new Int8Array(1));
});

var FORCED = fails(function () {
  return [1, 2].toLocaleString() !== new Int8Array([1, 2]).toLocaleString();
}) || !fails(function () {
  Int8Array.prototype.toLocaleString.call([1, 2]);
});

// `%TypedArray%.prototype.toLocaleString` method
// https://tc39.es/ecma262/#sec-%typedarray%.prototype.tolocalestring
exportTypedArrayMethod('toLocaleString', function toLocaleString() {
  return apply(
    $toLocaleString,
    TO_LOCALE_STRING_BUG ? arraySlice(aTypedArray(this)) : aTypedArray(this),
    arraySlice(arguments)
  );
}, FORCED);