'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; };