IsDetachedBuffer.js in immosquare-cleaner-0.1.38

- old
+ new

@@ -1,23 +1,24 @@
 'use strict';
 
-var GetIntrinsic = require('get-intrinsic');
+var $TypeError = require('es-errors/type');
 
-var $TypeError = GetIntrinsic('%TypeError%');
-
 var $byteLength = require('array-buffer-byte-length');
-
+var availableTypedArrays = require('available-typed-arrays')();
+var callBound = require('call-bind/callBound');
 var isArrayBuffer = require('is-array-buffer');
+var isSharedArrayBuffer = require('is-shared-array-buffer');
 
-var availableTypedArrays = require('available-typed-arrays')();
+var $sabByteLength = callBound('SharedArrayBuffer.prototype.byteLength', true);
 
-// https://262.ecma-international.org/6.0/#sec-isdetachedbuffer
+// https://262.ecma-international.org/8.0/#sec-isdetachedbuffer
 
 module.exports = function IsDetachedBuffer(arrayBuffer) {
-	if (!isArrayBuffer(arrayBuffer)) {
+	var isSAB = isSharedArrayBuffer(arrayBuffer);
+	if (!isArrayBuffer(arrayBuffer) && !isSAB) {
 		throw new $TypeError('Assertion failed: `arrayBuffer` must be an Object with an [[ArrayBufferData]] internal slot');
 	}
-	if ($byteLength(arrayBuffer) === 0) {
+	if ((isSAB ? $sabByteLength : $byteLength)(arrayBuffer) === 0) {
 		try {
 			new global[availableTypedArrays[0]](arrayBuffer); // eslint-disable-line no-new
 		} catch (error) {
 			return !!error && error.name === 'TypeError';
 		}