Fix ember global

.travis.yml

@@ -45,6 +45,9 @@ jobs:
       env: EMBER_TRY_SCENARIO=ember-lts-3.4
     - env: EMBER_TRY_SCENARIO=ember-lts-3.8
     - env: EMBER_TRY_SCENARIO=ember-lts-3.12
+    - env: EMBER_TRY_SCENARIO=ember-lts-3.16
+    - env: EMBER_TRY_SCENARIO=ember-lts-3.20
+    - env: EMBER_TRY_SCENARIO=ember-lts-3.24
     - env: EMBER_TRY_SCENARIO=ember-release
     - env: EMBER_TRY_SCENARIO=ember-beta
     - env: EMBER_TRY_SCENARIO=ember-canary

assets/browser-fetch.js.t

@@ -1,7 +1,6 @@
 (function (originalGlobal) {
-  define('fetch', ['exports'], function(exports) {
-    'use strict';
-    var Promise = originalGlobal.Ember.RSVP.Promise;
+  <%= moduleHeader %>
+    var Promise = RSVP.Promise;
     var supportProps = [
       'FormData',
       'FileReader',
@@ -49,8 +48,8 @@
       return result;
     }
 
-    if (originalGlobal.Ember.Test) {
-      originalGlobal.Ember.Test.registerWaiter(function() {
+    if (Ember.Test) {
+      Ember.Test.registerWaiter(function() {
         return pending === 0;
       });
 

config/ember-try.js

@@ -30,6 +30,30 @@ module.exports = async function() {
           }
         }
       },
+      {
+        name: 'ember-lts-3.16',
+        npm: {
+          devDependencies: {
+            'ember-source': '~3.16.0'
+          }
+        }
+      },
+      {
+        name: 'ember-lts-3.20',
+        npm: {
+          devDependencies: {
+            'ember-source': '~3.20.0'
+          }
+        }
+      },
+      {
+        name: 'ember-lts-3.24',
+        npm: {
+          devDependencies: {
+            'ember-source': '~3.24.0'
+          }
+        }
+      },
       {
         name: 'ember-release',
         npm: {

index.js

@@ -27,6 +27,7 @@ const map = stew.map;
 const Rollup = require('broccoli-rollup');
 const BroccoliDebug = require('broccoli-debug');
 const calculateCacheKeyForTree = require('calculate-cache-key-for-tree');
+const VersionChecker = require('ember-cli-version-checker');
 
 const debug = BroccoliDebug.buildDebugCallback('ember-fetch');
 
@@ -73,6 +74,9 @@ module.exports = {
     let hasEmberFetch = !!this.project.findAddonByName('ember-fetch');
     let hasEmberCliFastboot = !!this.project.findAddonByName('ember-cli-fastboot');
 
+    let emberSource = new VersionChecker(this.project).for('ember-source');
+    let hasEmberSourceModules = emberSource.exists() && emberSource.gte('3.27.0');
+
     if(isApp && hasEmberCliFastboot && !hasEmberFetch) {
       throw new Error(`Ember fetch is not installed as top-level dependency of the application using fastboot. Add ember-fetch as dependecy in application's package.json.
       For details check here - https://github.com/ember-cli/ember-fetch#top-level-addon`);
@@ -88,6 +92,7 @@ module.exports = {
     app._fetchBuildConfig = Object.assign({
       preferNative: false,
       alwaysIncludePolyfill: false,
+      hasEmberSourceModules,
       browsers: this.project.targets && this.project.targets.browsers
     }, app.options['ember-fetch']);
 
@@ -216,8 +221,19 @@ module.exports = {
       sourceMapConfig: { enabled: false }
     }), 'after-concat');
 
+    const moduleHeader = options.hasEmberSourceModules ? `
+  define('fetch', ['exports', 'ember', 'rsvp'], function(exports, Ember__module, RSVP__module) {
+    'use strict';
+    var Ember = 'default' in Ember__module ? Ember__module['default'] : Ember__module;
+    var RSVP = 'default' in RSVP__module ? RSVP__module['default'] : RSVP__module;` : `
+  define('fetch', ['exports'], function(exports) {
+    'use strict';
+    var Ember = originalGlobal.Ember;
+    var RSVP = Ember.RSVP;`
+
     return debug(new Template(polyfillNode, TEMPLATE_PATH, function(content) {
       return {
+        moduleHeader,
         moduleBody: content
       };
     }), 'browser-fetch');

package.json

@@ -36,6 +36,7 @@
     "caniuse-api": "^3.0.0",
     "ember-cli-babel": "^7.23.1",
     "ember-cli-typescript": "^3.1.3",
+    "ember-cli-version-checker": "^5.1.2",
     "node-fetch": "^2.6.1",
     "whatwg-fetch": "^3.6.2"
   },
@@ -97,5 +98,9 @@
       "abortcontroller-polyfill",
       "abortcontroller-polyfill/dist/cjs-ponyfill"
     ]
+  },
+  "volta": {
+    "node": "10.24.1",
+    "yarn": "1.22.10"
   }
 }