fix leak, add test, for #33

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/rewire.js b/lib/rewire.js
index e0b56f1..5644599 100644
--- a/lib/rewire.js
+++ b/lib/rewire.js
@@ -56,7 +56,7 @@ function internalRewire(parentModulePath, targetPath) {
 
     // Check if the module uses the strict mode.
     // If so we must ensure that "use strict"; stays at the beginning of the module.
-    src = fs.readFileSync(targetPath, "utf8");
+    var src = fs.readFileSync(targetPath, "utf8");
     if (detectStrictMode(src) === true) {
         prelude = ' "use strict"; ' + prelude;
     }