From 36135d18845884f1a1603da265569d8a89303d7b Mon Sep 17 00:00:00 2001
From: Rich Harris <richard.a.harris@gmail.com>
Date: Mon, 12 Dec 2016 23:06:29 -0500
Subject: [PATCH] Merge pull request #108 from rollup/gh-102

remove ignore from preflight options
---
 packages/rollup-plugin-babel/src/preflightCheck.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/packages/rollup-plugin-babel/src/preflightCheck.js b/packages/rollup-plugin-babel/src/preflightCheck.js
index 414efe238..3abfeed0f 100644
--- a/packages/rollup-plugin-babel/src/preflightCheck.js
+++ b/packages/rollup-plugin-babel/src/preflightCheck.js
@@ -12,6 +12,8 @@ export default function preflightCheck ( options, dir ) {
 
 		options = assign( {}, options );
 		delete options.only;
+		delete options.ignore;
+
 		options.filename = join( dir, 'x.js' );
 
 		options.plugins = options.plugins ? options.plugins.concat( classes ) : [ classes ];