es.typed-array.slice.js
No OneTemporary
Actions

Size

982 B

Subscribers

None

es.typed-array.slice.js
View Options

	'use strict';
	var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
	var speciesConstructor = require('../internals/species-constructor');
	var fails = require('../internals/fails');

	var aTypedArray = ArrayBufferViewCore.aTypedArray;
	var aTypedArrayConstructor = ArrayBufferViewCore.aTypedArrayConstructor;
	var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
	var $slice = [].slice;

	var FORCED = fails(function () {
	/* global Int8Array -- safe */
	new Int8Array(1).slice();
	});

	// `%TypedArray%.prototype.slice` method
	// https://tc39.es/ecma262/#sec-%typedarray%.prototype.slice
	exportTypedArrayMethod('slice', function slice(start, end) {
	var list = $slice.call(aTypedArray(this), start, end);
	var C = speciesConstructor(this, this.constructor);
	var index = 0;
	var length = list.length;
	var result = new (aTypedArrayConstructor(C))(length);
	while (length > index) result[index] = list[index++];
	return result;
	}, FORCED);