From 162ff56439a4b2df3d8013cefbe4d5bfe8f61dc6 Mon Sep 17 00:00:00 2001
From: Benjamin Zaslavsky <benjamin.zaslavsky@gmail.com>
Date: Tue, 14 Nov 2017 23:59:57 +0100
Subject: [PATCH] console: add support for console.debug
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Adds the console.debug() method, alias for console.log(). This method is
exposed by V8 and was only available in inspector until now. Also adds
matching test and documentation.

PR-URL: https://github.com/nodejs/node/pull/17033
Refs: https://github.com/nodejs/node/pull/17004
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Khaidi Chu <i@2333.moe>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Timothy Gu <timothygu99@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
---
 doc/api/console.md            |  9 +++++++++
 lib/console.js                |  3 +++
 test/parallel/test-console.js | 11 +++++++++++
 3 files changed, 23 insertions(+)

diff --git a/doc/api/console.md b/doc/api/console.md
index 5121b59aee9c32..1f7dea5b2b7f15 100644
--- a/doc/api/console.md
+++ b/doc/api/console.md
@@ -237,6 +237,15 @@ undefined
 >
 ```
 
+### console.debug(data[, ...args])
+<!-- YAML
+added: v8.0.0
+-->
+* `data` {any}
+* `...args` {any}
+
+The `console.debug()` function is an alias for [`console.log()`][].
+
 ### console.dir(obj[, options])
 <!-- YAML
 added: v0.1.101
diff --git a/lib/console.js b/lib/console.js
index d2562df7c60dd5..d0f7e61fd5a709 100644
--- a/lib/console.js
+++ b/lib/console.js
@@ -133,6 +133,9 @@ Console.prototype.log = function log(...args) {
 };
 
 
+Console.prototype.debug = Console.prototype.log;
+
+
 Console.prototype.info = Console.prototype.log;
 
 
diff --git a/test/parallel/test-console.js b/test/parallel/test-console.js
index f63c4f9431ab32..9234a2a12d78e0 100644
--- a/test/parallel/test-console.js
+++ b/test/parallel/test-console.js
@@ -61,6 +61,13 @@ console.log('%s %s', 'foo', 'bar', 'hop');
 console.log({ slashes: '\\\\' });
 console.log(custom_inspect);
 
+// test console.debug() goes to stdout
+console.debug('foo');
+console.debug('foo', 'bar');
+console.debug('%s %s', 'foo', 'bar', 'hop');
+console.debug({ slashes: '\\\\' });
+console.debug(custom_inspect);
+
 // test console.info() goes to stdout
 console.info('foo');
 console.info('foo', 'bar');
@@ -132,6 +139,10 @@ for (const expected of expectedStrings) {
   assert.strictEqual(errStrings.shift(), `${expected}\n`);
 }
 
+for (const expected of expectedStrings) {
+  assert.strictEqual(strings.shift(), `${expected}\n`);
+}
+
 assert.strictEqual(strings.shift(),
                    "{ foo: 'bar', inspect: [Function: inspect] }\n");
 assert.strictEqual(strings.shift(),