Merge pull request #663 from ember-cli/ensure-global-can-be-found-for-canary

Ember Ember 3.27+ can determine global for template compilation

Author: Robert Jackson

.github/workflows/ci.yml

@@ -89,7 +89,7 @@ jobs:
     - uses: actions/checkout@v1
     - uses: actions/setup-node@v1
       with:
-        node-version: 12.x
+        node-version: 10.x
     - name: install dependencies
       run: yarn install
     - name: test

lib/utils.js

@@ -143,11 +143,21 @@ function getTemplateCompiler(templateCompilerPath, EmberENV = {}) {
   // the shared global config
   let clonedEmberENV = JSON.parse(JSON.stringify(EmberENV));
 
-  let context = vm.createContext({
+  let sandbox = {
     EmberENV: clonedEmberENV,
     module: { require, exports: {} },
     require,
-  });
+  };
+
+  // if we are running on a Node version _without_ a globalThis
+  // we must provide a `global`
+  //
+  // this is due to https://git.io/Jtb7s (Ember 3.27+)
+  if (typeof globalThis === 'undefined') {
+    sandbox.global = sandbox;
+  }
+
+  let context = vm.createContext(sandbox);
 
   script.runInContext(context);