26 lines
735 B
JavaScript
26 lines
735 B
JavaScript
'use strict';
|
|
|
|
var $TypeError = require('es-errors/type');
|
|
|
|
var $byteLength = require('array-buffer-byte-length');
|
|
|
|
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 && error.name === 'TypeError';
|
|
}
|
|
}
|
|
return false;
|
|
};
|