diff --git a/index.js b/index.js
index 7a0e9c2a123bc9d26c20bb3de4a3c4e49b24ee40..b1a53729c2900ddfca88a0f312a785c51a5aac80 100644
--- a/index.js
+++ b/index.js
@@ -8,19 +8,17 @@
 
 'use strict'
 
-const base64 = require('base64-js')
-const ieee754 = require('ieee754')
+import * as base64 from 'base64-js'
+import * as ieee754 from 'ieee754'
 const customInspectSymbol =
   (typeof Symbol === 'function' && typeof Symbol['for'] === 'function') // eslint-disable-line dot-notation
     ? Symbol['for']('nodejs.util.inspect.custom') // eslint-disable-line dot-notation
     : null
 
-exports.Buffer = Buffer
-exports.SlowBuffer = SlowBuffer
-exports.INSPECT_MAX_BYTES = 50
+const INSPECT_MAX_BYTES = 50
 
 const K_MAX_LENGTH = 0x7fffffff
-exports.kMaxLength = K_MAX_LENGTH
+const kMaxLength = K_MAX_LENGTH
 
 /**
  * If `Buffer.TYPED_ARRAY_SUPPORT`:
@@ -616,7 +614,7 @@ Buffer.prototype.equals = function equals (b) {
 
 Buffer.prototype.inspect = function inspect () {
   let str = ''
-  const max = exports.INSPECT_MAX_BYTES
+  const max = INSPECT_MAX_BYTES
   str = this.toString('hex', 0, max).replace(/(.{2})/g, '$1 ').trim()
   if (this.length > max) str += ' ... '
   return '<Buffer ' + str + '>'
@@ -2104,3 +2102,10 @@ function defineBigIntMethod (fn) {
 function BufferBigIntNotDefined () {
   throw new Error('BigInt not supported')
 }
+
+export {
+  Buffer,
+  SlowBuffer,
+  INSPECT_MAX_BYTES,
+  kMaxLength,
+}
\ No newline at end of file