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, 5 insertions, 4 deletions

diff --git a/lib/buffer.js b/lib/buffer.js
index 6732ecdee..568a1f4b3 100644
--- a/lib/buffer.js
+++ b/lib/buffer.js
@@ -468,7 +468,7 @@ Buffer.prototype.get = internalUtil.deprecate(function get(offset) {
   if (offset < 0 || offset >= this.length)
     throw new RangeError('index out of range');
   return this[offset];
-}, '.get() is deprecated. Access using array indexes instead.');
+}, 'Buffer.get is deprecated. Use array indexes instead.');
 
 
 // XXX remove in v0.13
@@ -477,14 +477,15 @@ Buffer.prototype.set = internalUtil.deprecate(function set(offset, v) {
   if (offset < 0 || offset >= this.length)
     throw new RangeError('index out of range');
   return this[offset] = v;
-}, '.set() is deprecated. Set using array indexes instead.');
+}, 'Buffer.set is deprecated. Use array indexes instead.');
 
 
 // TODO(trevnorris): fix these checks to follow new standard
 // write(string, offset = 0, length = buffer.length, encoding = 'utf8')
 var writeWarned = false;
-const writeMsg = '.write(string, encoding, offset, length) is deprecated.' +
-                 ' Use write(string[, offset[, length]][, encoding]) instead.';
+const writeMsg = 'Buffer.write(string, encoding, offset, length) is ' +
+                 'deprecated. Use write(string[, offset[, length]]' +
+                 '[, encoding]) instead.';
 Buffer.prototype.write = function(string, offset, length, encoding) {
   // Buffer#write(string);
   if (offset === undefined) {