arnweb-chat/node_modules/socket.io-parser/is-buffer.js

21 lines
576 B
JavaScript

module.exports = isBuf;
var withNativeBuffer = typeof Buffer === 'function' && typeof Buffer.isBuffer === 'function';
var withNativeArrayBuffer = typeof ArrayBuffer === 'function';
var isView = function (obj) {
return typeof ArrayBuffer.isView === 'function' ? ArrayBuffer.isView(obj) : (obj.buffer instanceof ArrayBuffer);
};
/**
* Returns true if obj is a buffer or an arraybuffer.
*
* @api private
*/
function isBuf(obj) {
return (withNativeBuffer && Buffer.isBuffer(obj)) ||
(withNativeArrayBuffer && (obj instanceof ArrayBuffer || isView(obj)));
}