From f2c5accab322b30b6c52c8d185638a76e3e61920 Mon Sep 17 00:00:00 2001
From: Sebastian McKenzie <sebmck@gmail.com>
Date: Fri, 20 Feb 2015 23:23:50 +1100
Subject: [PATCH] add `getModuleName` option - fixes #844

---
 lib/babel/transformation/file.js             | 4 +++-
 lib/babel/transformation/modules/_default.js | 2 ++
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/babel/transformation/file.js b/lib/babel/transformation/file.js
index 758a658fd3..6d0ea188a1 100644
--- a/lib/babel/transformation/file.js
+++ b/lib/babel/transformation/file.js
@@ -86,10 +86,12 @@ File.validOptions = [
   "format",
   "playground",
   "experimental",
-  "resolveModuleSource",
   "externalHelpers",
   "auxiliaryComment",
 
+  "resolveModuleSource",
+  "getModuleName",
+
   // these are used by plugins
   "ignore",
   "only",
diff --git a/lib/babel/transformation/modules/_default.js b/lib/babel/transformation/modules/_default.js
index 93353752cd..0e80537bdf 100644
--- a/lib/babel/transformation/modules/_default.js
+++ b/lib/babel/transformation/modules/_default.js
@@ -146,6 +146,8 @@ DefaultFormatter.prototype.isLocalReference = function (node, scope) {
 
 DefaultFormatter.prototype.getModuleName = function () {
   var opts = this.file.opts;
+  if (opts.getModuleName) return opts.getModuleName(opts.filename);
+
   var filenameRelative = opts.filenameRelative;
   var moduleName = "";