From c64b1b811ef119c0bc84bea9d497781b54e376b0 Mon Sep 17 00:00:00 2001
From: Kelly Selden <kellyselden@gmail.com>
Date: Sun, 1 Jul 2018 21:59:31 +0100
Subject: [PATCH] turn on preventDoubleAmdCompile and pass through
 doubleAmdCallback

---
 index.js     | 6 +++++-
 package.json | 2 +-
 yarn.lock    | 6 +++---
 3 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/index.js b/index.js
index 9f8a14ea..6ccd073a 100644
--- a/index.js
+++ b/index.js
@@ -192,11 +192,13 @@ module.exports = {
     let shouldRunPresetEnv = true;
     let providedAnnotation;
     let throwUnlessParallelizable;
+    let doubleAmdCallback;
 
     if (emberCLIBabelConfig) {
       providedAnnotation = emberCLIBabelConfig.annotation;
       shouldRunPresetEnv = !emberCLIBabelConfig.disablePresetEnv;
       throwUnlessParallelizable = emberCLIBabelConfig.throwUnlessParallelizable;
+      doubleAmdCallback = emberCLIBabelConfig.doubleAmdCallback;
     }
 
     let sourceMaps = false;
@@ -207,7 +209,9 @@ module.exports = {
     let options = {
       annotation: providedAnnotation || `Babel: ${this._parentName()}`,
       sourceMaps,
-      throwUnlessParallelizable
+      throwUnlessParallelizable,
+      preventDoubleAmdCompile: true,
+      doubleAmdCallback
     };
 
     let userPlugins = addonProvidedConfig.plugins;
diff --git a/package.json b/package.json
index deda6d5c..67dfc59d 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "babel-plugin-transform-es2015-modules-amd": "^6.24.0",
     "babel-polyfill": "^6.26.0",
     "babel-preset-env": "^1.7.0",
-    "broccoli-babel-transpiler": "^6.4.2",
+    "broccoli-babel-transpiler": "kellyselden/broccoli-babel-transpiler#preventDoubleAmdCompile",
     "broccoli-debug": "^0.6.4",
     "broccoli-funnel": "^2.0.0",
     "broccoli-source": "^1.1.0",
diff --git a/yarn.lock b/yarn.lock
index 339e19e6..a80a2c36 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -923,9 +923,9 @@ broccoli-babel-transpiler@^6.0.0, broccoli-babel-transpiler@^6.1.2:
     rsvp "^3.5.0"
     workerpool "^2.3.0"
 
-broccoli-babel-transpiler@^6.4.2:
-  version "6.4.2"
-  resolved "https://registry.yarnpkg.com/broccoli-babel-transpiler/-/broccoli-babel-transpiler-6.4.2.tgz#f9e453ce664d5735baecabbc50e62c1b93b1796d"
+broccoli-babel-transpiler@kellyselden/broccoli-babel-transpiler#preventDoubleAmdCompile:
+  version "6.4.3"
+  resolved "https://codeload.github.com/kellyselden/broccoli-babel-transpiler/tar.gz/ba2aee2fb3801201382186bc37b41b02e6799093"
   dependencies:
     babel-core "^6.26.0"
     broccoli-funnel "^2.0.1"