Refactor plugin

.eslintrc

@@ -0,0 +1,12 @@
+{
+  "root": true,
+  "parserOptions": {
+    "ecmaVersion": 8,
+    "sourceType": "module"
+  },
+  "extends": "eslint:recommended",
+  "env": {
+    "node": true,
+    "es6": true
+  }
+}

.gitignore

@@ -1,2 +1,3 @@
-node_modules
-tmp
+dist/
+node_modules/
+tmp/

.travis.yml

@@ -1,18 +1,19 @@
 ---
 language: node_js
 node_js:
-  - "0.12"
+  - "10"
 
 sudo: false
+dist: trusty
 
 cache:
   directories:
-    - node_modules
+    - $HOME/.npm
 
-before_install:
-  - "npm config set spin false"
-  - "npm install multidep -g"
-
-install:
-  - npm install
+env:
+  global:
+    # See https://git.io/vdao3 for details.
+    - JOBS=1
 
+before_install:
+  - npm config set spin false

Brocfile.js

@@ -0,0 +1,9 @@
+const babel = require('broccoli-babel-transpiler');
+const merge = require('broccoli-merge-trees');
+const lint = require('broccoli-lint-eslint');
+const mv = require('broccoli-stew').mv;
+
+module.exports = merge([
+  mv(babel(lint('tests')), 'tests'),
+  babel(lint('src')),
+]);