lib: port errors to new system

This is a first batch of updates that touches non-underscored modules in
lib.

PR-URL: https://github.com/nodejs/node/pull/19034
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>

1 files changed, 7 insertions, 4 deletions

diff --git a/lib/string_decoder.js b/lib/string_decoder.js
index 18097be0e6..a2b7cf7de2 100644
--- a/lib/string_decoder.js
+++ b/lib/string_decoder.js
@@ -34,7 +34,10 @@ const {
   encodings
 } = internalBinding('string_decoder');
 const internalUtil = require('internal/util');
-const errors = require('internal/errors');
+const {
+  ERR_INVALID_ARG_TYPE,
+  ERR_UNKNOWN_ENCODING
+} = require('internal/errors').codes;
 const isEncoding = Buffer[internalUtil.kIsEncodingSymbol];
 
 const kNativeDecoder = Symbol('kNativeDecoder');
@@ -45,7 +48,7 @@ function normalizeEncoding(enc) {
   const nenc = internalUtil.normalizeEncoding(enc);
   if (nenc === undefined) {
     if (Buffer.isEncoding === isEncoding || !Buffer.isEncoding(enc))
-      throw new errors.TypeError('ERR_UNKNOWN_ENCODING', enc);
+      throw new ERR_UNKNOWN_ENCODING(enc);
     return enc;
   }
   return nenc;
@@ -68,8 +71,8 @@ StringDecoder.prototype.write = function write(buf) {
   if (typeof buf === 'string')
     return buf;
   if (!ArrayBuffer.isView(buf))
-    throw new errors.TypeError('ERR_INVALID_ARG_TYPE', 'buf',
-                               ['Buffer', 'Uint8Array', 'ArrayBufferView']);
+    throw new ERR_INVALID_ARG_TYPE('buf',
+                                   ['Buffer', 'Uint8Array', 'ArrayBufferView']);
   return decode(this[kNativeDecoder], buf);
 };