'use strict';
|
|
var GetIntrinsic = require('get-intrinsic');
|
|
var $TypeError = GetIntrinsic('%TypeError%');
|
|
var callBound = require('call-bind/callBound');
|
|
var $byteLength = callBound('%ArrayBuffer.prototype.byteLength%', true)
|
|| function byteLength(ab) { return ab.byteLength; }; // in node < 0.11, byteLength is an own nonconfigurable property
|
|
var isArrayBuffer = require('is-array-buffer');
|
|
var availableTypedArrays = require('available-typed-arrays')();
|
|
// https://262.ecma-international.org/6.0/#sec-isdetachedbuffer
|
|
module.exports = function IsDetachedBuffer(arrayBuffer) {
|
if (!isArrayBuffer(arrayBuffer)) {
|
throw new $TypeError('Assertion failed: `arrayBuffer` must be an Object with an [[ArrayBufferData]] internal slot');
|
}
|
if ($byteLength(arrayBuffer) === 0) {
|
try {
|
new global[availableTypedArrays[0]](arrayBuffer); // eslint-disable-line no-new
|
} catch (error) {
|
return error.name === 'TypeError';
|
}
|
}
|
return false;
|
};
|