Sha256: fde4e501e69867362fc0d79f527de244845d30d58fdf47191ccf155ed4e08d81
Contents?: true
Size: 1.23 KB
Versions: 27
Compression:
Stored size: 1.23 KB
Contents
'use strict';
var callBind = require('call-bind');
var callBound = require('call-bind/callBound');
var GetIntrinsic = require('get-intrinsic');
var isTypedArray = require('is-typed-array');
var $ArrayBuffer = GetIntrinsic('ArrayBuffer', true);
var $Float32Array = GetIntrinsic('Float32Array', true);
var $byteLength = callBound('ArrayBuffer.prototype.byteLength', true);
// in node 0.10, ArrayBuffers have no prototype methods, but have an own slot-checking `slice` method
var abSlice = $ArrayBuffer && !$byteLength && new $ArrayBuffer().slice;
var $abSlice = abSlice && callBind(abSlice);
module.exports = $byteLength || $abSlice
? function isArrayBuffer(obj) {
if (!obj || typeof obj !== 'object') {
return false;
}
try {
if ($byteLength) {
$byteLength(obj);
} else {
$abSlice(obj, 0);
}
return true;
} catch (e) {
return false;
}
}
: $Float32Array
// in node 0.8, ArrayBuffers have no prototype or own methods
? function IsArrayBuffer(obj) {
try {
return (new $Float32Array(obj)).buffer === obj && !isTypedArray(obj);
} catch (e) {
return typeof obj === 'object' && e.name === 'RangeError';
}
}
: function isArrayBuffer(obj) { // eslint-disable-line no-unused-vars
return false;
};
Version data entries
27 entries across 27 versions & 2 rubygems