Initial steps to adding babel.

.babelrc

+{
+  "presets": [
+		["env", {
+			"targets": {
+				"browsers": ["last 2 versions", "safari >= 10", "IE 11"]
+			}
+		}]
+  ]
+}

.gitignore

@@ -14,6 +14,7 @@ inverse-analytics.js
 .idea
 eggs
 .Python
+build
 
 dev-jc.html
 inverse-dev.html

package.json

@@ -34,6 +34,9 @@
   "devDependencies": {
     "almond": "~0.3.3",
     "awesomplete": "^1.1.1",
+    "babel-cli": "^6.18.0",
+    "babel-preset-env": "^1.5.2",
+    "babel-preset-latest": "^6.16.0",
     "backbone": "1.3.3",
     "backbone.browserStorage": "0.0.3",
     "backbone.overview": "0.0.3",
@@ -64,6 +67,7 @@
     "pluggable.js": "https://github.com/jcbrand/pluggable.js.git#8f8c8235816f44cda0f855d6ca879445aaa486a1",
     "po2json": "^0.4.4",
     "requirejs": "2.3.3",
+    "requirejs-babel": "0.0.9",
     "run-headless-chromium": "^0.1.1",
     "sinon": "^2.1.0",
     "snyk": "^1.21.2",

src/config.js

@@ -17,10 +17,12 @@ require.config({
     paths: {
         "almond":                   "node_modules/almond/almond",
         "awesomplete":              "node_modules/awesomplete/awesomplete",
+        "babel":                    "node_modules/requirejs-babel/babel-5.8.34.min",
         "backbone":                 "node_modules/backbone/backbone",
         "backbone.noconflict":      "src/backbone.noconflict",
         "backbone.browserStorage":  "node_modules/backbone.browserStorage/backbone.browserStorage",
         "backbone.overview":        "node_modules/backbone.overview/backbone.overview",
+        "es6":                      "node_modules/requirejs-babel/es6",
         "eventemitter":             "node_modules/otr/build/dep/eventemitter",
         "es6-promise":              "node_modules/es6-promise/dist/es6-promise",
         "jquery":                   "node_modules/jquery/dist/jquery",