errors,stream-transform: migrate to use internal/errors.js

PR-URL: https://github.com/nodejs/node/pull/13310
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michael Dawson <michael_dawson@ca.ibm.com>

1 files changed, 4 insertions, 5 deletions

diff --git a/lib/_stream_transform.js b/lib/_stream_transform.js
index f3e83e3a24..0f607a6da3 100644
--- a/lib/_stream_transform.js
+++ b/lib/_stream_transform.js
@@ -64,7 +64,7 @@
 'use strict';
 
 module.exports = Transform;
-
+const errors = require('internal/errors');
 const Duplex = require('_stream_duplex');
 const util = require('util');
 util.inherits(Transform, Duplex);
@@ -78,7 +78,7 @@ function afterTransform(er, data) {
 
   if (!cb) {
     return this.emit('error',
-                     new Error('write callback called multiple times'));
+                     new errors.Error('ERR_TRANSFORM_MULTIPLE_CALLBACK'));
   }
 
   ts.writechunk = null;
@@ -210,10 +210,9 @@ function done(stream, er, data) {
   // if there's nothing in the write buffer, then that means
   // that nothing more will ever be provided
   if (stream._writableState.length)
-    throw new Error('Calling transform done when ws.length != 0');
+    throw new errors.Error('ERR_TRANSFORM_WITH_LENGTH_0');
 
   if (stream._transformState.transforming)
-    throw new Error('Calling transform done when still transforming');
-
+    throw new errors.Error('ERR_TRANSFORM_ALREADY_TRANSFORMING');
   return stream.push(null);
 }