isBuffer - Node documentation
function isBuffer

Usage in Deno

import { isBuffer } from "node:util";
isBuffer(object: unknown): object is Buffer
Deprecated

Since v4.0.0 - Use isBuffer instead.

Returns true if the given object is a Buffer. Otherwise, returns false.

const util = require('node:util');

util.isBuffer({ length: 0 });
// Returns: false
util.isBuffer([]);
// Returns: false
util.isBuffer(Buffer.from('hello world'));
// Returns: true

Parameters

object: unknown

Return Type

object is Buffer