util: prepend '(node) ' to deprecation messages

Changes included in this commit are

   1. Making the deprecation messages consistent. The messages will be in
      the following format

           x is deprecated. Use y instead.

      If there is no alternative for `x`, then the ` Use y instead.` part
      will not be there in the message.

   2. All the internal deprecation messages are printed with the prefix
      `(node) `, except when the `--trace-deprecation` flag is set.

Fixes: https://github.com/nodejs/io.js/issues/1883
PR-URL: https://github.com/nodejs/io.js/pull/1892
Reviewed-By: Roman Reiss <me@silverwind.io>

1 files changed, 4 insertions, 2 deletions

diff --git a/lib/tty.js b/lib/tty.js
index acab1b5735..f3f84ca5a6 100644
--- a/lib/tty.js
+++ b/lib/tty.js
@@ -1,6 +1,7 @@
 'use strict';
 
 const util = require('util');
+const internalUtil = require('internal/util');
 const net = require('net');
 const TTY = process.binding('tty_wrap').TTY;
 const isTTY = process.binding('tty_wrap').isTTY;
@@ -14,12 +15,13 @@ exports.isatty = function(fd) {
 
 
 // backwards-compat
-exports.setRawMode = util.deprecate(function(flag) {
+exports.setRawMode = internalUtil.deprecate(function(flag) {
   if (!process.stdin.isTTY) {
     throw new Error('can\'t set raw mode on non-tty');
   }
   process.stdin.setRawMode(flag);
-}, 'tty.setRawMode: Use `process.stdin.setRawMode()` instead.');
+}, 'tty.setRawMode is deprecated. ' +
+   'Use process.stdin.setRawMode instead.');
 
 
 function ReadStream(fd, options) {