From a00d2c33d8c1818f3352f7afe1be1baec9acee0b Mon Sep 17 00:00:00 2001
From: Rich Harris <richard.a.harris@gmail.com>
Date: Fri, 13 Mar 2015 10:46:50 -0400
Subject: [PATCH] fix inputSourceMap option

See #827 - it looks like `opts.inputSourceMap` is the wrong way round, babel should only use an input sourcemap if the `inputSourceMap` option is *not* `false`
---
 src/babel/transformation/file.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/babel/transformation/file.js b/src/babel/transformation/file.js
index c4a9cf7b34..ee40919b2f 100644
--- a/src/babel/transformation/file.js
+++ b/src/babel/transformation/file.js
@@ -280,7 +280,7 @@ export default class File {
   parseInputSourceMap(code: string) {
     var opts = this.opts;
 
-    if (opts.inputSourceMap === false) {
+    if (opts.inputSourceMap !== false) {
       var inputMap = convertSourceMap.fromSource(code);
       if (inputMap) {
         opts.inputSourceMap = inputMap.toObject();