From a498371005c4ba631a0b24e568bfe8a78e19fe84 Mon Sep 17 00:00:00 2001
From: Logan Smyth <loganfsmyth@gmail.com>
Date: Thu, 23 Mar 2017 14:44:03 -0700
Subject: [PATCH] Ensure the ignore regex is consistent and initialized fully.
 (#5534)

---
 packages/babel-register/src/node.js | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/packages/babel-register/src/node.js b/packages/babel-register/src/node.js
index 3ae82ad886..7245d0c615 100644
--- a/packages/babel-register/src/node.js
+++ b/packages/babel-register/src/node.js
@@ -111,9 +111,11 @@ function hookExtensions(_exts) {
   });
 }
 
-hookExtensions(DEFAULT_EXTENSIONS);
+register({
+  extensions: DEFAULT_EXTENSIONS,
+});
 
-export default function (opts?: Object = {}) {
+export default function register(opts?: Object = {}) {
   if (opts.extensions) hookExtensions(opts.extensions);
 
   if (opts.cache === false) cache = null;
@@ -128,8 +130,8 @@ export default function (opts?: Object = {}) {
     transformOpts.ignore = [
       new RegExp(
         "^" +
-        escapeRegExp(process.cwd() + path.sep) +
-        ".*" +
+        escapeRegExp(process.cwd()) +
+        "(?:" + path.sep + ".*)?" +
         escapeRegExp(path.sep + "node_modules" + path.sep)
       , "i"),
     ];