From 80d343939facdab4eb4aa315cb061c75a3f77549 Mon Sep 17 00:00:00 2001
From: Adrian Hope-Bailie <adrian@hopebailie.com>
Date: Tue, 26 Feb 2019 08:14:53 +0200
Subject: [PATCH] Expose `child` on default logger (#1603)

* Add `child` pass-through to type defs

* Add pass-through to defaultLogger.child(...)

* Add test for `winston.child`

* fix: type defs
---
 index.d.ts           | 1 +
 lib/winston.js       | 3 ++-
 test/winston.test.js | 2 +-
 3 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/index.d.ts b/index.d.ts
index 36b64aa7b..236ce5595 100644
--- a/index.d.ts
+++ b/index.d.ts
@@ -169,6 +169,7 @@ declare namespace winston {
   let startTimer: () => Profiler;
   let profile: (id: string | number) => Logger;
   let configure: (options: LoggerOptions) => void;
+  let child: (options: Object) => Logger;
   let level: string;
   let exceptions: ExceptionHandler;
   let exitOnError: Function | boolean;
diff --git a/lib/winston.js b/lib/winston.js
index 7e4e29ae8..e0c4e3cac 100644
--- a/lib/winston.js
+++ b/lib/winston.js
@@ -104,7 +104,8 @@ Object.keys(winston.config.npm.levels)
     'unhandleExceptions',
     'handleRejections',
     'unhandleRejections',
-    'configure'
+    'configure',
+    'child'
   ])
   .forEach(
     method => (winston[method] = (...args) => defaultLogger[method](...args))
diff --git a/test/winston.test.js b/test/winston.test.js
index 30fd64ead..a24c39113 100644
--- a/test/winston.test.js
+++ b/test/winston.test.js
@@ -27,7 +27,7 @@ describe('winston', function () {
 
   it('has expected methods', function () {
     assume(winston.config).is.an('object');
-    ['createLogger', 'add', 'remove', 'clear']
+    ['createLogger', 'add', 'remove', 'clear', 'child']
       .concat(Object.keys(winston.config.npm.levels))
       .forEach(function (key) {
         assume(winston[key]).is.a('function', 'winston.' + key);