main
Last change
on this file was d565449, checked in by stefan toskovski <stefantoska84@…>, 4 weeks ago |
Update repo after prototype presentation
|
-
Property mode
set to
100644
|
File size:
1007 bytes
|
Line | |
---|
1 | 'use strict';
|
---|
2 |
|
---|
3 | var $TypeError = require('es-errors/type');
|
---|
4 |
|
---|
5 | var $byteLength = require('array-buffer-byte-length');
|
---|
6 | var availableTypedArrays = require('available-typed-arrays')();
|
---|
7 | var callBound = require('call-bind/callBound');
|
---|
8 | var isArrayBuffer = require('is-array-buffer');
|
---|
9 | var isSharedArrayBuffer = require('is-shared-array-buffer');
|
---|
10 |
|
---|
11 | var $sabByteLength = callBound('SharedArrayBuffer.prototype.byteLength', true);
|
---|
12 |
|
---|
13 | // https://262.ecma-international.org/8.0/#sec-isdetachedbuffer
|
---|
14 |
|
---|
15 | module.exports = function IsDetachedBuffer(arrayBuffer) {
|
---|
16 | var isSAB = isSharedArrayBuffer(arrayBuffer);
|
---|
17 | if (!isArrayBuffer(arrayBuffer) && !isSAB) {
|
---|
18 | throw new $TypeError('Assertion failed: `arrayBuffer` must be an Object with an [[ArrayBufferData]] internal slot');
|
---|
19 | }
|
---|
20 | if ((isSAB ? $sabByteLength : $byteLength)(arrayBuffer) === 0) {
|
---|
21 | try {
|
---|
22 | new global[availableTypedArrays[0]](arrayBuffer); // eslint-disable-line no-new
|
---|
23 | } catch (error) {
|
---|
24 | return !!error && error.name === 'TypeError';
|
---|
25 | }
|
---|
26 | }
|
---|
27 | return false;
|
---|
28 | };
|
---|
Note:
See
TracBrowser
for help on using the repository browser.