+++ /dev/null
-'use strict';
-var $ = require('../internals/export');
-var fails = require('../internals/fails');
-var ArrayBufferModule = require('../internals/array-buffer');
-var anObject = require('../internals/an-object');
-var toAbsoluteIndex = require('../internals/to-absolute-index');
-var toLength = require('../internals/to-length');
-var speciesConstructor = require('../internals/species-constructor');
-
-var ArrayBuffer = ArrayBufferModule.ArrayBuffer;
-var DataView = ArrayBufferModule.DataView;
-var nativeArrayBufferSlice = ArrayBuffer.prototype.slice;
-
-var INCORRECT_SLICE = fails(function () {
- return !new ArrayBuffer(2).slice(1, undefined).byteLength;
-});
-
-// `ArrayBuffer.prototype.slice` method
-// https://tc39.github.io/ecma262/#sec-arraybuffer.prototype.slice
-$({ target: 'ArrayBuffer', proto: true, unsafe: true, forced: INCORRECT_SLICE }, {
- slice: function slice(start, end) {
- if (nativeArrayBufferSlice !== undefined && end === undefined) {
- return nativeArrayBufferSlice.call(anObject(this), start); // FF fix
- }
- var length = anObject(this).byteLength;
- var first = toAbsoluteIndex(start, length);
- var fin = toAbsoluteIndex(end === undefined ? length : end, length);
- var result = new (speciesConstructor(this, ArrayBuffer))(toLength(fin - first));
- var viewSource = new DataView(this);
- var viewTarget = new DataView(result);
- var index = 0;
- while (first < fin) {
- viewTarget.setUint8(index++, viewSource.getUint8(first++));
- } return result;
- }
-});