From 3dcf1f90c8ea98e28f3bf0321a3a0ff04afb5c90 Mon Sep 17 00:00:00 2001
From: Henry Zhu <hi@henryzoo.com>
Date: Wed, 16 Nov 2016 11:54:17 -0500
Subject: [PATCH 1/2] Only console.log the debug info once

---
 src/index.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/src/index.js b/src/index.js
index 304dcd90..c3516bbe 100644
--- a/src/index.js
+++ b/src/index.js
@@ -132,6 +132,8 @@ export const validateWhitelistOption = (whitelistOpt = []) => {
   return whitelistOpt;
 };
 
+let alreadyLogged = false;
+
 export default function buildPreset(context, opts = {}) {
   const loose = validateLooseOption(opts.loose);
   const moduleType = validateModulesOption(opts.modules);
@@ -142,7 +144,10 @@ export default function buildPreset(context, opts = {}) {
   let transformations = Object.keys(pluginList)
     .filter((pluginName) => isPluginRequired(targets, pluginList[pluginName]));
 
-  if (debug) {
+  if (debug && !alreadyLogged) {
+    alreadyLogged = true;
+
+    console.log("babel-preset-env: `DEBUG` option");
     console.log("");
     console.log(`Using targets: ${JSON.stringify(targets, null, 2)}`);
     console.log("");

From dd312b8729b1a119d9637ce8d7b496fdc770ef19 Mon Sep 17 00:00:00 2001
From: Henry Zhu <hi@henryzoo.com>
Date: Wed, 16 Nov 2016 12:27:34 -0500
Subject: [PATCH 2/2] [skip ci]

---
 src/index.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/index.js b/src/index.js
index c3516bbe..bbeefdc7 100644
--- a/src/index.js
+++ b/src/index.js
@@ -132,7 +132,7 @@ export const validateWhitelistOption = (whitelistOpt = []) => {
   return whitelistOpt;
 };
 
-let alreadyLogged = false;
+let hasBeenLogged = false;
 
 export default function buildPreset(context, opts = {}) {
   const loose = validateLooseOption(opts.loose);
@@ -144,8 +144,8 @@ export default function buildPreset(context, opts = {}) {
   let transformations = Object.keys(pluginList)
     .filter((pluginName) => isPluginRequired(targets, pluginList[pluginName]));
 
-  if (debug && !alreadyLogged) {
-    alreadyLogged = true;
+  if (debug && !hasBeenLogged) {
+    hasBeenLogged = true;
 
     console.log("babel-preset-env: `DEBUG` option");
     console.log("");