Add Embroider support

The actual changes supporting this were actually in #113, this just adds test coverage.

Closes #76

.github/workflows/ci.yml

@@ -103,6 +103,8 @@ jobs:
           - ember-release
           - ember-beta
           - ember-default-with-jquery
+          - embroider-safe
+          - embroider-optimized
         allow-failure: [false]
         include:
           - ember-try-scenario: ember-canary

config/ember-try.js

@@ -1,6 +1,7 @@
 'use strict';
 
 const getChannelURL = require('ember-source-channel-url');
+const { embroiderSafe, embroiderOptimized } = require('@embroider/test-setup');
 
 module.exports = async function () {
   return {
@@ -79,6 +80,8 @@ module.exports = async function () {
         name: 'fastboot-addon-tests',
         command: 'npm run test:fastboot',
       },
+      embroiderSafe(),
+      embroiderOptimized(),
     ],
   };
 };

ember-cli-build.js

@@ -20,5 +20,6 @@ module.exports = function (defaults) {
     behave. You most likely want to be modifying `./index.js` or app's build file
   */
 
-  return app.toTree();
+  const { maybeEmbroider } = require('@embroider/test-setup');
+  return maybeEmbroider(app);
 };

package.json

@@ -45,6 +45,7 @@
   "devDependencies": {
     "@ember/optional-features": "^2.0.0",
     "@ember/test-helpers": "^2.1.4",
+    "@embroider/test-setup": "^0.36.0",
     "babel-eslint": "^10.1.0",
     "broccoli-asset-rev": "^3.0.0",
     "ember-auto-import": "^1.10.1",

yarn.lock

@@ -1260,6 +1260,14 @@
     resolve "^1.8.1"
     semver "^7.3.2"
 
+"@embroider/test-setup@^0.36.0":
+  version "0.36.0"
+  resolved "https://registry.yarnpkg.com/@embroider/test-setup/-/test-setup-0.36.0.tgz#67ace15d69f04f282adde38ee39e4d48208173b7"
+  integrity sha512-YXa1uPBc5caxuS9hIOLi6TihJ9QFgS9uvlXFOADFL3yDUOuvnGWAoK9a4qHsIuH/ifGJs8xIYhByhlfruB02mw==
+  dependencies:
+    lodash "^4.17.20"
+    resolve "^1.17.0"
+
 "@eslint/eslintrc@^0.3.0":
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/@eslint/eslintrc/-/eslintrc-0.3.0.tgz#d736d6963d7003b6514e6324bec9c602ac340318"