From eab4542f9e63b1be3fc4b1f7346ef440a26d4761 Mon Sep 17 00:00:00 2001
From: Gajus Kuizinas <gajus@gajus.com>
Date: Tue, 4 Dec 2018 19:07:09 +0200
Subject: [PATCH] feat: log match subroutine input

---
 src/subroutines/matchSubroutine.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/subroutines/matchSubroutine.js b/src/subroutines/matchSubroutine.js
index 96ad87b..031747f 100644
--- a/src/subroutines/matchSubroutine.js
+++ b/src/subroutines/matchSubroutine.js
@@ -10,6 +10,11 @@ import {
 import {
   InvalidValueSentinel
 } from '../sentinels';
+import Logger from '../Logger';
+
+const log = Logger.child({
+  namespace: 'subroutine:match'
+});
 
 const matchSubroutine = (subject: string, [userRule, sprintfFormat]: $ReadOnlyArray<string>) => {
   const rule: RegExp = parseRegex(userRule);
@@ -21,6 +26,10 @@ const matchSubroutine = (subject: string, [userRule, sprintfFormat]: $ReadOnlyAr
   const matches = subject.match(rule);
 
   if (!matches) {
+    log.debug({
+      input: subject
+    }, 'input');
+
     return new InvalidValueSentinel('Input does not match "' + rule.toString() + '" regular expression.');
   }